byzs-bjdx-web/src/views/bjdx/course/aiGenerate/aiGengrate.vue

<template>
  <Dialog
    :title="'AI生成课程'"
    v-model="dialogVisible"
    width="90%"
    :fullscreen="true"
    @update:fullscreen="(value) => (fullscreen = value)"
  >
    <div class="course-script-editor">
      <!-- 全屏遮挡层 -->
      <div v-if="isGenerating" class="loading-overlay">
        <div class="loading-content">
          <div class="loading-spinner"></div>
          <div class="loading-text">生成中...</div>
        </div>
      </div>
      <div class="main-container">
        <!-- 左侧步骤指示器 -->
        <div class="steps-sidebar">
          <div class="steps-container">
            <template v-for="(step, index) in steps" :key="step.id">
              <div
                :class="[
                  'step-item',
                  {
                    process: currentStep === step.id,
                    finish: step.id < currentStep,
                    wait: step.id > currentStep
                  }
                ]"
              >
                <div class="step-circle">{{ step.id }}</div>
                <div class="step-title">{{ step.label }}</div>
              </div>
              <div
                v-if="index < steps.length - 1"
                class="step-line"
                :class="{ active: currentStep > step.id }"
              ></div>
            </template>
          </div>
        </div>

        <!-- 右侧内容区域 -->
        <div class="content-area">
          <!-- 步骤1：AI一句话生成 -->
          <div v-if="currentStep === 1" class="step-content">
            <div class="ai-input-container">
              <div class="ai-input-wrapper">
                <div class="ai-icon">🤖</div>
                <textarea
                  v-model="scriptPrompt"
                  placeholder="AI一句话生成课程脚本，例如：生成一节关于牛顿万有引力的小学科学课脚本..."
                  class="ai-textarea"
                ></textarea>
              </div>

              <div class="selection-group">
                <div class="selection-item">
                  <label>主讲老师</label>
                  <el-select
                    v-model="selectedMainTeacher"
                    filterable
                    size="large"
                    placeholder="请选择主讲老师"
                    style="width: 300px"
                    clearable
                  >
                    <el-option
                      v-for="teacher in digitalHumans"
                      :key="teacher.name"
                      :label="teacher.name"
                      :value="teacher.name"
                    />
                  </el-select>
                </div>

                <div class="selection-item">
                  <label>助讲老师</label>
                  <el-select
                    v-model="selectedAssistants"
                    filterable
                    size="large"
                    placeholder="请选择助讲老师"
                    style="width: 300px"
                    clearable
                    multiple
                  >
                    <el-option
                      v-for="teacher in digitalHumans"
                      :key="teacher.name"
                      :label="teacher.name"
                      :value="teacher.name"
                    />
                  </el-select>
                </div>

                <div class="selection-item">
                  <label>主题类型</label>
                  <el-select
                    v-model="selectedThemeType"
                    size="large"
                    placeholder="请选择主题类型"
                    style="width: 300px"
                  >
                    <el-option label="课程通用" value="13" />
                    <el-option label="诗词课" value="256" />
                    <el-option label="诗词课（英才小学生）" value="262" />
                  </el-select>
                </div>

                <div v-if="selectedThemeType === '262'" class="selection-item">
                  <label>课程小节</label>
                  <el-select
                    v-model="selectedLessonSection"
                    size="large"
                    placeholder="请选择课程小节"
                    style="width: 300px"
                  >
                    <el-option
                      v-for="section in poetryLessonSections"
                      :key="section.value"
                      :label="section.label"
                      :value="section.value"
                    >
                      <span>（{{ section.value }}）{{ section.label }}</span>
                    </el-option>
                  </el-select>
                </div>
              </div>

              <div class="button-group">
                <button
                  class="generate-btn primary"
                  :disabled="
                    !scriptPrompt || !selectedMainTeacher || !selectedThemeType || isGenerating
                  "
                  @click="generateScript"
                >
                  {{ isGenerating ? '生成中...' : '生成课程脚本' }}
                </button>
                <button
                  v-if="hasDraftCache"
                  class="generate-btn secondary"
                  @click="loadDraftAndGotoStep2"
                >
                  查看草稿
                </button>
              </div>
            </div>
          </div>

          <!-- 步骤2：脚本编辑（含背景图/音生成） -->
          <div v-else-if="currentStep === 2" class="step-content">
            <!-- 固定顶部的一键操作栏 -->
            <div class="editor-toolbar sticky-top">
              <button
                class="toolbar-btn"
                @click="generateAllImages"
                :disabled="isGeneratingImages || isAnyImageGenerating"
              >
                {{ isGeneratingImages ? '生成中...' : '一键生成所有背景图' }}
              </button>
              <button
                class="toolbar-btn"
                @click="generateAllVideos"
                :disabled="isGeneratingVideos || isAnyVideoGenerating"
              >
                {{ isGeneratingVideos ? '生成中...' : '一键生成所有视频' }}
              </button>
              <button
                class="toolbar-btn"
                @click="generateAllVoiceovers"
                :disabled="isGeneratingVoiceovers || isAnyVoiceoverGenerating"
              >
                {{ isGeneratingVoiceovers ? '生成中...' : '一键配音' }}
              </button>
            </div>

            <!-- 可滚动的内容区域 -->
            <div class="script-editor">
              <div
                v-for="(section, sectionIndex) in scriptData.sections"
                :key="sectionIndex"
                class="script-section"
              >
                <div class="section-header">
                  <div class="section-name-container">
                    <label class="section-name-label">环节 {{ sectionIndex + 1 }}</label>
                    <input
                      v-model="section.name"
                      class="section-title"
                      placeholder="如：环节一（引入）"
                    />
                  </div>
                  <button class="remove-section-btn" @click="removeSection(sectionIndex)">×</button>
                </div>
                <div class="media-controls">
                  <!-- 背景类型切换 -->
                  <el-radio-group v-model="section.backgroundType" class="background-type-switch">
                    <el-radio-button label="imageAudio">图音背景</el-radio-button>
                    <el-radio-button label="video">视频背景</el-radio-button>
                  </el-radio-group>

                  <!-- 图音背景 -->
                  <template v-if="section.backgroundType === 'imageAudio'">
                    <div class="media-item">
                      <div class="media-input-group">
                        <span class="media-label">背景图</span>
                        <el-input
                          v-model="section.backgroundImage.prompt"
                          type="textarea"
                          :autosize="{ minRows: 2, maxRows: 4 }"
                          placeholder="描述词"
                          class="media-prompt"
                        />
                        <el-button
                          type="primary"
                          size="small"
                          :loading="section.backgroundImage.generating"
                          :disabled="
                            !section.backgroundImage.prompt || section.backgroundImage.generating
                          "
                          @click="generateMedia(sectionIndex)"
                          class="generate-btn"
                        >
                          {{
                            section.backgroundImage.generating
                              ? '生成中...'
                              : section.backgroundImage.url
                                ? '重新生成'
                                : '生成'
                          }}
                        </el-button>
                      </div>
                      <div class="upload-container">
                        <UploadImg v-model="section.backgroundImage.url" />
                      </div>
                    </div>

                    <div class="media-item">
                      <div class="media-input-group">
                        <span class="media-label">背景音</span>
                        <el-select
                          v-model="section.backgroundAudio.type"
                          placeholder="选择背景音"
                          :style="{ width: fullscreen ? '240px' : '130px' }"
                          clearable
                          size="large"
                          @change="(value) => handleBackgroundAudioChange(value, section)"
                        >
                          <el-option
                            v-for="musicType in backgroundMusicTypes"
                            :key="musicType.id"
                            :label="musicType.name"
                            :value="musicType.id"
                          />
                        </el-select>
                        <button
                          v-if="section.backgroundAudio.type"
                          class="play-btn small"
                          @click="playBackgroundAudio(section.backgroundAudio.type)"
                        >
                          <span class="play-icon">{{
                            audioState.isPlaying &&
                            audioState.currentType === 'background' &&
                            audioState.currentUrl === section.backgroundAudio.url
                              ? '⏸'
                              : '▶'
                          }}</span>
                        </button>
                      </div>
                    </div>
                  </template>

                  <!-- 视频背景 -->
                  <template v-else-if="section.backgroundType === 'video'">
                    <div class="media-item">
                      <div class="media-input-group">
                        <span class="media-label">视频提示词</span>
                        <el-input
                          v-model="section.backgroundVideo.prompt"
                          type="textarea"
                          :autosize="{ minRows: 2, maxRows: 4 }"
                          placeholder="描述词"
                          class="media-prompt-video"
                        />
                        <el-button
                          type="primary"
                          size="small"
                          :loading="section.backgroundVideo.generating"
                          :disabled="
                            !section.backgroundVideo.prompt || section.backgroundVideo.generating
                          "
                          @click="generateVideo(sectionIndex)"
                          class="generate-btn"
                        >
                          {{
                            section.backgroundVideo.generating
                              ? '生成中...'
                              : section.backgroundVideo.url
                                ? '重新生成'
                                : '生成'
                          }}
                        </el-button>
                      </div>
                      <div class="upload-container">
                        <UploadVideo2 v-model="section.backgroundVideo.url" />
                      </div>
                    </div>
                  </template>
                </div>

                <div class="dialogues-container">
                  <div
                    v-for="(dialogue, dialogueIndex) in section.dialogues"
                    :key="dialogueIndex"
                    class="dialogue-item"
                    :class="[dialogue.type, { hidden: dialogue.type === 'user' }]"
                  >
                    <div class="dialogue-header">
                      <div class="dialogue-type-tag" :class="dialogue.type">
                        {{
                          dialogue.type === 'digital'
                            ? '数字人'
                            : dialogue.type === 'user'
                              ? '用户'
                              : dialogue.type === 'quest'
                                ? '提问'
                                : dialogue.type === 'poem'
                                  ? '诗词'
                                  : dialogue.type === 'poem_reading'
                                    ? '朗诵评价'
                                    : dialogue.type === 'write_reading'
                                      ? '写诗评价'
                                      : dialogue.type === 'recite_reading'
                                        ? '背诵诗词评价'
                                        : '视频'
                        }}
                      </div>
                    </div>
                    <div class="dialogue-row">
                      <!-- 数字人对话 -->
                      <template v-if="dialogue.type === 'digital'">
                        <div class="dialogue-role-select">
                          <el-select
                            v-model="dialogue.roleName"
                            placeholder="选择角色"
                            style="width: 140px"
                            clearable
                          >
                            <el-option
                              v-for="role in digitalHumans"
                              :key="role.id"
                              :label="role.name"
                              :value="role.name"
                            />
                          </el-select>
                        </div>
                        <div class="dialogue-content-container">
                          <el-input
                            v-model="dialogue.content"
                            type="textarea"
                            class="dialogue-content"
                            placeholder="对话内容..."
                            :autosize="{ minRows: 2, maxRows: 4 }"
                          />
                        </div>
                        <div class="action-buttons">
                          <div class="action-buttons-row">
                            <button
                              v-if="dialogue.voiceoverUrl"
                              class="play-btn"
                              @click="playVoiceover(dialogue.voiceoverUrl)"
                            >
                              <span class="play-icon">{{
                                audioState.isPlaying &&
                                audioState.currentType === 'voice' &&
                                audioState.currentUrl === dialogue.voiceoverUrl
                                  ? '⏸'
                                  : '▶'
                              }}</span>
                            </button>
                            <button
                              class="remove-btn"
                              @click="removeDialogue(sectionIndex, dialogueIndex)"
                              >×</button
                            >
                          </div>
                          <div class="action-buttons-row">
                            <button
                              v-if="!dialogue.voiceoverUrl"
                              class="generate-btn small"
                              :disabled="
                                !dialogue.content ||
                                !dialogue.roleName ||
                                dialogue.generatingVoiceover
                              "
                              @click="generateVoiceover(sectionIndex, dialogueIndex)"
                            >
                              <span class="voice-icon">{{
                                dialogue.generatingVoiceover ? '生成中...' : '生成语音'
                              }}</span>
                            </button>
                            <button
                              v-if="dialogue.voiceoverUrl"
                              class="generate-btn small"
                              :disabled="
                                !dialogue.content ||
                                !dialogue.roleName ||
                                dialogue.generatingVoiceover
                              "
                              @click="generateVoiceover(sectionIndex, dialogueIndex)"
                            >
                              <span class="voice-icon">{{
                                dialogue.generatingVoiceover ? '生成中...' : '重新生成'
                              }}</span>
                            </button>
                          </div>
                        </div>
                      </template>

                      <!-- 用户 -->
                      <template v-else-if="dialogue.type === 'user'">
                        <div class="dialogue-content-container full-width">
                          <el-input
                            v-model="dialogue.content"
                            type="textarea"
                            class="dialogue-content"
                            placeholder="用户回复内容参考语..."
                            :autosize="{ minRows: 2, maxRows: 4 }"
                          />
                        </div>
                        <div class="dialogue-reply-select">
                          <el-select
                            v-model="dialogue.roleName"
                            placeholder="选择数字人回复"
                            style="width: 140px"
                            clearable
                          >
                            <el-option
                              v-for="role in digitalHumans"
                              :key="role.id"
                              :label="role.name"
                              :value="role.name"
                            />
                          </el-select>
                        </div>
                        <div class="action-buttons">
                          <div class="action-buttons-row">
                            <button
                              class="remove-btn"
                              @click="removeDialogue(sectionIndex, dialogueIndex)"
                              >×</button
                            >
                          </div>
                        </div>
                      </template>

                      <!-- 提问 -->
                      <template v-else-if="dialogue.type === 'quest'">
                        <div class="dialogue-role-select">
                          <el-select
                            v-model="dialogue.roleName"
                            placeholder="选择角色"
                            style="width: 140px"
                            clearable
                          >
                            <el-option
                              v-for="role in digitalHumans"
                              :key="role.id"
                              :label="role.name"
                              :value="role.name"
                            />
                          </el-select>
                        </div>
                        <div class="dialogue-content-container">
                          <div class="question-type-select">
                            <span class="question-type-label">提问类型：</span>
                            <el-select
                              v-model="dialogue.questionType"
                              placeholder="请选择提问类型"
                              style="width: 140px"
                            >
                              <el-option label="AI问答" value="AI Q&A" />
                              <el-option label="单选题" value="singleChoice" />
                            </el-select>
                          </div>
                          <el-input
                            v-model="dialogue.content"
                            type="textarea"
                            class="dialogue-content"
                            placeholder="提问内容..."
                            :autosize="{ minRows: 2, maxRows: 4 }"
                          />
                          <!-- 单选题选项 -->
                          <div v-if="dialogue.questionType === 'singleChoice'" class="single-choice-options">
                            <div class="options-header">
                              <span class="options-label">选项列表：</span>
                              <button class="add-option-btn" @click="addOption(sectionIndex, dialogueIndex)">+ 添加选项</button>
                            </div>
                            <div
                              v-for="(option, optionIndex) in (dialogue.options || [])"
                              :key="optionIndex"
                              class="option-item"
                            >
                              <span class="option-label">{{ String.fromCharCode(65 + optionIndex) }}.</span>
                              <el-input
                                v-model="option.content"
                                placeholder="选项内容"
                                style="flex: 1; margin-right: 10px;"
                              />
                              <div class="answer-radio-wrapper">
                                <el-radio
                                  v-model="dialogue.answer"
                                  :label="String.fromCharCode(65 + optionIndex)"
                                />
                                <span v-if="dialogue.answer === String.fromCharCode(65 + optionIndex)" class="correct-mark">✓</span>
                              </div>
                              <button
                                v-if="(dialogue.options || []).length > 2"
                                class="remove-option-btn"
                                @click="removeOption(sectionIndex, dialogueIndex, optionIndex)"
                              >×</button>
                            </div>
                          </div>
                        </div>
                        <div class="action-buttons">
                          <div class="action-buttons-row">
                            <button
                              v-if="dialogue.voiceoverUrl"
                              class="play-btn"
                              @click="playVoiceover(dialogue.voiceoverUrl)"
                            >
                              <span class="play-icon">{{
                                audioState.isPlaying &&
                                audioState.currentType === 'voice' &&
                                audioState.currentUrl === dialogue.voiceoverUrl
                                  ? '⏸'
                                  : '▶'
                              }}</span>
                            </button>
                            <button
                              class="remove-btn"
                              @click="removeDialogue(sectionIndex, dialogueIndex)"
                              >×</button
                            >
                          </div>
                          <div class="action-buttons-row">
                            <button
                              v-if="!dialogue.voiceoverUrl"
                              class="generate-btn small"
                              :disabled="
                                !dialogue.content ||
                                !dialogue.roleName ||
                                dialogue.generatingVoiceover
                              "
                              @click="generateVoiceover(sectionIndex, dialogueIndex)"
                            >
                              <span class="voice-icon">{{
                                dialogue.generatingVoiceover ? '生成中...' : '生成语音'
                              }}</span>
                            </button>
                            <button
                              v-if="dialogue.voiceoverUrl"
                              class="generate-btn small"
                              :disabled="
                                !dialogue.content ||
                                !dialogue.roleName ||
                                dialogue.generatingVoiceover
                              "
                              @click="generateVoiceover(sectionIndex, dialogueIndex)"
                            >
                              <span class="voice-icon">{{
                                dialogue.generatingVoiceover ? '生成中...' : '重新生成'
                              }}</span>
                            </button>
                          </div>
                        </div>
                      </template>

                      <!-- 诗词 -->
                      <template v-else-if="dialogue.type === 'poem'">
                        <div class="dialogue-role-select">
                          <el-select
                            v-model="dialogue.roleName"
                            placeholder="选择角色"
                            style="width: 140px"
                            clearable
                          >
                            <el-option
                              v-for="role in digitalHumans"
                              :key="role.id"
                              :label="role.name"
                              :value="role.name"
                            />
                          </el-select>
                        </div>
                        <div class="dialogue-content-container">
                          <el-input
                            v-model="dialogue.content"
                            type="textarea"
                            class="dialogue-content"
                            placeholder="诗词内容..."
                            :autosize="{ minRows: 2, maxRows: 4 }"
                          />
                        </div>
                        <div class="action-buttons">
                          <div class="action-buttons-row">
                            <button
                              v-if="dialogue.voiceoverUrl"
                              class="play-btn"
                              @click="playVoiceover(dialogue.voiceoverUrl)"
                            >
                              <span class="play-icon">{{
                                audioState.isPlaying &&
                                audioState.currentType === 'voice' &&
                                audioState.currentUrl === dialogue.voiceoverUrl
                                  ? '⏸'
                                  : '▶'
                              }}</span>
                            </button>
                            <button
                              class="remove-btn"
                              @click="removeDialogue(sectionIndex, dialogueIndex)"
                              >×</button
                            >
                          </div>
                          <div class="action-buttons-row">
                            <button
                              v-if="!dialogue.voiceoverUrl"
                              class="generate-btn small"
                              :disabled="
                                !dialogue.content ||
                                !dialogue.roleName ||
                                dialogue.generatingVoiceover
                              "
                              @click="generateVoiceover(sectionIndex, dialogueIndex)"
                            >
                              <span class="voice-icon">{{
                                dialogue.generatingVoiceover ? '生成中...' : '生成语音'
                              }}</span>
                            </button>
                            <button
                              v-if="dialogue.voiceoverUrl"
                              class="generate-btn small"
                              :disabled="
                                !dialogue.content ||
                                !dialogue.roleName ||
                                dialogue.generatingVoiceover
                              "
                              @click="generateVoiceover(sectionIndex, dialogueIndex)"
                            >
                              <span class="voice-icon">{{
                                dialogue.generatingVoiceover ? '生成中...' : '重新生成'
                              }}</span>
                            </button>
                          </div>
                        </div>
                      </template>

                      <!-- 视频 -->
                      <template v-else-if="dialogue.type === 'video'">
                        <div class="media-input-group" style="display: flex; align-items: center; justify-content: center;">
                          <span class="media-label" style="margin-right: 10px;">视频提示词</span>
                          <el-input
                            v-model="dialogue.videoPrompt"
                            type="textarea"
                            :autosize="{ minRows: 2, maxRows: 4 }"
                            placeholder="描述词"
                            class="media-prompt-video"
                            style="flex: 1; margin-right: 10px;"
                          />
                          <el-button
                            type="primary"
                            size="small"
                            :loading="dialogue.generatingVideo"
                            :disabled="
                                  !dialogue.videoPrompt || dialogue.generatingVideo
                                "
                            @click="generateDialogueVideo(sectionIndex, dialogueIndex)"
                            class="generate-btn"
                            style="margin-right: 10px;"
                          >
                            {{
                              dialogue.generatingVideo
                                ? '生成中...'
                                : dialogue.videoUrl
                                  ? '重新生成'
                                  : '生成'
                            }}
                          </el-button>
                          <div class="upload-container" style="margin: 0 10px;">
                            <UploadVideo2 v-model="dialogue.videoUrl" />
                          </div>
                          <button
                            class="remove-btn"
                            @click="removeDialogue(sectionIndex, dialogueIndex)"
                          >×</button>
                        </div>
                      </template>

                      <!-- 朗诵评价 -->
                      <template v-else-if="dialogue.type === 'poem_reading'">
                        <div class="dialogue-role-select">
                          <el-select
                            v-model="dialogue.roleName"
                            placeholder="选择角色"
                            style="width: 140px"
                            clearable
                          >
                            <el-option
                              v-for="role in digitalHumans"
                              :key="role.id"
                              :label="role.name"
                              :value="role.name"
                            />
                          </el-select>
                        </div>
                        <div class="dialogue-content-container">
                          <el-input
                            v-model="dialogue.content"
                            type="textarea"
                            class="dialogue-content"
                            placeholder="朗诵评价内容..."
                            :autosize="{ minRows: 2, maxRows: 4 }"
                          />
                        </div>
                        <div class="action-buttons">
                          <div class="action-buttons-row">
                            <button
                              class="remove-btn"
                              @click="removeDialogue(sectionIndex, dialogueIndex)"
                            >×</button
                            >
                          </div>
                        </div>
                      </template>

                      <!-- 写诗评价 -->
                      <template v-else-if="dialogue.type === 'write_reading'">
                        <div class="dialogue-role-select">
                          <el-select
                            v-model="dialogue.roleName"
                            placeholder="选择角色"
                            style="width: 140px"
                            clearable
                          >
                            <el-option
                              v-for="role in digitalHumans"
                              :key="role.id"
                              :label="role.name"
                              :value="role.name"
                            />
                          </el-select>
                        </div>
                        <div class="dialogue-content-container">
                          <el-input
                            v-model="dialogue.content"
                            type="textarea"
                            class="dialogue-content"
                            placeholder="写诗评价内容..."
                            :autosize="{ minRows: 2, maxRows: 4 }"
                          />
                        </div>
                        <div class="action-buttons">
                          <div class="action-buttons-row">
                            <button
                              class="remove-btn"
                              @click="removeDialogue(sectionIndex, dialogueIndex)"
                            >×</button
                            >
                          </div>
                        </div>
                      </template>

                      <!-- 背诵诗词评价 -->
                      <template v-else-if="dialogue.type === 'recite_reading'">
                        <div class="dialogue-role-select">
                          <el-select
                            v-model="dialogue.roleName"
                            placeholder="选择角色"
                            style="width: 140px"
                            clearable
                          >
                            <el-option
                              v-for="role in digitalHumans"
                              :key="role.id"
                              :label="role.name"
                              :value="role.name"
                            />
                          </el-select>
                        </div>
                        <div class="dialogue-content-container">
                          <el-input
                            v-model="dialogue.content"
                            type="textarea"
                            class="dialogue-content"
                            placeholder="背诵诗词评价内容..."
                            :autosize="{ minRows: 2, maxRows: 4 }"
                          />
                        </div>
                        <div class="action-buttons">
                          <div class="action-buttons-row">
                            <button
                              class="remove-btn"
                              @click="removeDialogue(sectionIndex, dialogueIndex)"
                            >×</button
                            >
                          </div>
                        </div>
                      </template>
                    </div>
                  </div>

                  <div class="add-dialogue-buttons">
                    <button class="add-dialogue-btn digital" @click="addDialogue(sectionIndex)"
                      >+ 添加对话</button
                    >

                    <button
                      class="add-dialogue-btn quest-user"
                      @click="addQuestWithUserReply(sectionIndex)"
                      >+ 添加提问与回复</button
                    >

                    <button class="add-dialogue-btn video" @click="addVideoDialogue(sectionIndex)"
                      >+ 添加视频</button
                    >

                    <div class="more-dropdown-wrapper">
                      <button
                        class="add-dialogue-btn more-btn"
                        @click.stop="toggleMoreMenu(sectionIndex)"
                      >+ 更多 ▾</button>
                      <div
                        v-if="activeMoreMenu === sectionIndex"
                        class="more-dropdown-menu"
                        @click.stop
                      >
                        <button class="more-item-btn poem" @click="addPoemDialogue(sectionIndex); activeMoreMenu = null"
                          >+ 添加诗词</button
                        >
                        <button class="more-item-btn poem_reading" @click="addPoemReadingDialogue(sectionIndex); activeMoreMenu = null"
                          >+ 添加朗诵评价</button
                        >
                        <button class="more-item-btn write_reading" @click="addWriteReadingDialogue(sectionIndex); activeMoreMenu = null"
                          >+ 添加写诗评价</button
                        >
                        <button class="more-item-btn recite_reading" @click="addReciteReadingDialogue(sectionIndex); activeMoreMenu = null"
                          >+ 添加背诵诗词评价</button
                        >
                      </div>
                    </div>
                  </div>
                </div>
              </div>

              <button class="add-section-btn" @click="addSection">+ 添加环节</button>
            </div>

            <div class="preview-actions">
              <button v-if="currentStep > 1" class="secondary-btn" @click="currentStep--">
                重新生成
              </button>

              <button class="primary-btn" @click="nextStep"> 预览完整脚本 </button>
            </div>
          </div>

          <!-- 步骤3：预览与保存 -->
          <div v-else-if="currentStep === 3" class="step-content">
            <div class="preview-container">
              <h3>课程脚本预览</h3>

              <div class="scrollable-content">
                <br />

                <div v-if="isValidationPassed" class="validation-result valid">
                  {{ validationMessage }}
                </div>
                <div v-else>
                  <div
                    v-for="(error, index) in errorMessages"
                    :key="index"
                    class="validation-result invalid"
                  >
                    {{ error }}
                  </div>
                </div>

                <div class="preview-content">
                  <div
                    v-for="(section, sectionIndex) in scriptData.sections"
                    :key="sectionIndex"
                    class="preview-section"
                    :style="{
                      backgroundImage: section.backgroundType === 'imageAudio' && section.backgroundImage.url
                        ? `url(${section.backgroundImage.url})`
                        : 'none',
                      backgroundSize: 'cover',
                      backgroundPosition: 'center',
                      backgroundRepeat: 'no-repeat'
                    }"
                  >
                    <div v-if="section.backgroundType === 'video' && section.backgroundVideo.url" class="preview-video">
                      <video :src="section.backgroundVideo.url" alt="视频背景" autoplay loop muted ></video>
                    </div>
                    <div class="preview-section-content">
                      <div class="preview-media">
                        <div class="preview-media-left">
                          <label class="section-name-label">环节 {{ sectionIndex + 1 }}</label>
                          <strong>{{ section.name }}</strong>
                        </div>
                        <div class="preview-media-right">
                          <span v-if="section.backgroundType === 'imageAudio' && section.backgroundAudio.type" class="preview-audio">
                            背景音：{{ section.backgroundAudio.type }}
                            <button
                              class="play-btn small"
                              @click="playBackgroundAudio(section.backgroundAudio.type)"
                            >
                              <span class="play-icon">{{
                                audioState.isPlaying &&
                                audioState.currentType === 'background' &&
                                audioState.currentUrl === section.backgroundAudio.url
                                  ? '⏸'
                                  : '▶'
                              }}</span>
                            </button>
                          </span>
                        </div>
                      </div>

                      <div class="preview-dialogues">
                        <div
                          v-for="(dialogue, dialogueIndex) in section.dialogues.filter(
                            (d) => d.type !== 'user'
                          )"
                          :key="dialogueIndex"
                          class="preview-dialogue"
                          :class="dialogue.type"
                        >
                          <div class="dialogue-header">
                            <div class="dialogue-header-left">
                              <div class="dialogue-type-tag" :class="dialogue.type">
                                {{
                          dialogue.type === 'digital'
                            ? '数字人'
                            : dialogue.type === 'user'
                              ? '用户'
                              : dialogue.type === 'quest'
                                ? '提问'
                                : dialogue.type === 'poem'
                                  ? '诗词'
                                  : dialogue.type === 'poem_reading'
                                    ? '朗诵评价'
                                    : dialogue.type === 'write_reading'
                                      ? '写诗评价'
                                      : dialogue.type === 'recite_reading'
                                        ? '背诵诗词评价'
                                        : '视频'
                        }}
                              </div>
                              <div class="dialogue-role">
                                {{
                                  dialogue.type !== 'user' && dialogue.type !== 'video'
                                    ? getRoleName(dialogue.roleName)
                                    : dialogue.type === 'video' ? '视频' : '用户'
                                }}：
                              </div>
                            </div>
                            <button
                              v-if="dialogue.voiceoverUrl"
                              class="play-btn small"
                              @click="playVoiceover(dialogue.voiceoverUrl)"
                            >
                              <span class="play-icon">{{
                                audioState.isPlaying &&
                                audioState.currentType === 'voice' &&
                                audioState.currentUrl === dialogue.voiceoverUrl
                                  ? '⏸'
                                  : '▶'
                              }}</span>
                            </button>
                          </div>
                          <template v-if="dialogue.type === 'video'">
                            <div class="dialogue-text">{{ dialogue.videoPrompt }}</div>
                            <div v-if="dialogue.videoUrl" class="media-preview">
                              <video :src="dialogue.videoUrl" alt="视频预览" controls></video>
                            </div>
                          </template>
                          <template v-else>
                            <div class="dialogue-text" v-html="parseMarkdown(dialogue.content)"></div>
                          </template>
                          <div
                            v-if="dialogue.type === 'user' && dialogue.roleName"
                            class="reply-info"
                          >
                            回复角色：{{ getRoleName(dialogue.roleName) }}
                          </div>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>

              <div class="preview-actions">
                <button class="secondary-btn" @click="currentStep = 2">返回修改</button>
                <!--                <button
                  class="primary-btn"
                  :disabled="!isValidationPassed"
                  @click="showVideoPreview"
                >
                  预览视频
                </button>-->
                <button class="primary-btn" :disabled="!isValidationPassed" @click="saveScript">
                  保存课程脚本
                </button>
              </div>
            </div>
          </div>
        </div>
      </div>

      <!-- 视频预览模态框 -->
      <VideoPreview
        :visible="showVideoPreviewModal"
        :script-data="scriptData"
        :script-roles="digitalHumans"
        @close="closeVideoPreview"
      />
    </div>
  </Dialog>
</template>

<script setup>
import { computed, onMounted, onUnmounted, reactive, ref, watch } from 'vue'
import { Dialog } from '@/components/Dialog'
import { ElMessage } from 'element-plus'
import UploadImg from '@/components/UploadFile/src/UploadImg.vue'
import UploadVideo2 from '@/components/UploadFile/src/UploadVideo2.vue'
import { ChatMessageApi } from '@/api/ai/chat/message'
import { ChatConversationApi } from '@/api/ai/chat/conversation'
import { ChatRoleApi } from '@/api/ai/model/chatRole'
import { ImageApi } from '@/api/ai/image'
import { TtsApi } from '@/api/ai/tts'
import { VideoApi} from '@/api/ai/video'
import VideoPreview from '@/views/bjdx/course/aiGenerate/VideoPreview.vue'
import { AiImageStatusEnum, AiPlatformEnum, AiVideoStatusEnum } from '@/views/ai/utils/constants'
import { marked } from 'marked'
import { useUserStore } from '@/store/modules/user'

// 步骤配置
const steps = [
  { id: 1, label: 'AI生成脚本' },
  { id: 2, label: '编辑脚本与媒体' },
  { id: 3, label: '预览与保存' }
]

// 当前步骤
const currentStep = ref(1)

// 步骤1数据
const scriptPrompt = ref('')
const selectedMainTeacher = ref('')
const selectedAssistants = ref([])
const selectedThemeType = ref()
const isGenerating = ref(false)

// 对话框可见性
const props = defineProps({
  visible: {
    type: Boolean,
    default: false
  },
  initialStep: {
    type: Number,
    default: 1
  },
  initialScriptData: {
    type: String,
    default: ''
  }
})

const dialogVisible = computed({
  get: () => props.visible,
  set: (value) => emit('update:visible', value)
})

// 获取用户信息
const userStore = useUserStore()
const userId = computed(() => userStore.getUser.id)

// 检查是否存在草稿缓存
const hasDraftCache = ref(false)

// 步骤2生成状态
const isGeneratingImages = ref(false)
const isGeneratingVoiceovers = ref(false)
const isGeneratingVideos = ref(false)

// 数字人列表
const digitalHumans = ref([])

// 背景音类型
const backgroundMusicTypes = ref([
  {
    id: '轻松欢快',
    name: '轻松欢快',
    url: 'https://learn-ai.com.cn/admin-api/infra/file/29/get/20260310/AI_1773106630966.MP3'
  }
])

// 诗词课（英才小学生）课程小节选项
const poetryLessonSections = ref([
  {
    value: '1',
    label: '读·共读辨情，初识诗境',
    constraint: ['digital', 'poem_reading', 'poem'],
    description: '引导学生朗读诗词，通过共读辨情，本节课只需要带着学生一起朗读，不需要其他对话类型。(对话类型参考：digital对话引导，poem诗句，poem_reading学生朗读，digital对话引导...)'
  },
  {
    value: '2',
    label: '悟·深究共情，解码精神',
    constraint: ['digital', 'video', 'quest', 'user'],
    description: '保证第一个环节的第一个对话类型是（video）AIGC视频类型，填充视频生成提示词（根据诗词情感生成提示词），' +
      '后续再以作者和学生对话的方式进行沉浸式课堂教学，先逐句拆解每一首诗的含义，讲解重点字词。' +
      '然后展开讲解诗人的生平背景，' +
      '最后讲解整句诗的思想，中间穿插互动提问（问题方向为：抓住诗词特色画面，理解环境描写如何烘托人物心境，情感这几点来提问）'
  },
  {
    value: '3',
    label: '用·印证文脉，联结现实',
    constraint: ['digital', 'poem', 'recite_reading'],
    description: '本节小课是先跟着诗词跟读，都读完后给出引导进行背诵，注意：逐句背诵，每一句诗词引导背诵和用户背诵都要单独一个环节，方便环节背景图应景（背景图上不要出现诗词语句）' +
      '注意对话流程：digital对话引导跟读，poem诗句，digital对话背诵引导（不要出现诗词语句），recite_reading学生背诵...'
  },
  {
    value: '4',
    label: '创·汲智明志，创意表达',
    constraint: ['digital', 'quest', 'user', 'write_reading'],
    description: '将诗词内容，结合新的时代进行思考，给同学们进行提问，引出创作动机，并引导学生根据其中经典诗句进行仿写，可以先给出例子，然后引导学生进行仿写。' +
      '注意每条仿写对话前面都要有引导对话和示例，引导学生根据示例进行仿写。' +
      '仿写结束后以作者和学生对话的方式进行沉浸式课堂教学，中间穿插互动提问'
  },
  {
    value: '5',
    label: '评价',
    constraint: ['digital', 'poem', 'poem_reading', 'write_reading'],
    description: '本节课需要先进行诗词朗读，引导学生根据诗词内容进行评价（注意对话流程：digital对话引导，poem诗句，poem_reading学生朗读...）' +
      '然后引导学生仿写诗词进行评价。(后续对话流程：digital对话引导先给出示例，write_reading学生仿写)'
  }
])

// 当前选中的课程小节
const selectedLessonSection = ref('')

// 从localStorage加载脚本数据
const loadScriptDataFromCache = () => {
  try {
    const key = `courseScriptData_${userId.value}`
    const cachedData = localStorage.getItem(key)
    if (cachedData) {
      try {
        return JSON.parse(cachedData)
      } catch (error) {
        console.error('解析缓存数据失败:', error)
      }
    }
  } catch (error) {
    console.error('获取用户信息失败:', error)
  }
  return null
}

// 是否为编辑模式
const isEditMode = ref(false)

// 脚本数据结构
const scriptData = reactive(
  loadScriptDataFromCache() || {
    title: '',
    sections: [
      {
        name: '环节一',
        backgroundType: 'imageAudio', // imageAudio: 图音背景, video: 视频背景
        backgroundImage: {
          prompt: '',
          url: '',
          generating: false
        },
        backgroundAudio: {
          type: '',
          url: ''
        },
        backgroundVideo: {
          prompt: '',
          url: '',
          generating: false
        },
        dialogues: [
          {
            type: 'digital',
            roleName: '',
            content: '',
            voiceoverUrl: '',
            generatingVoiceover: false
          },
          {
            type: 'user',
            roleName: '',
            content: ''
          }
        ]
      }
    ]
  }
)

// 兼容旧数据，为旧数据添加背景类型字段和提问类型字段
if (scriptData.sections) {
  scriptData.sections.forEach(section => {
    if (!section.backgroundType) {
      section.backgroundType = 'imageAudio';
    }
    if (!section.backgroundVideo) {
      section.backgroundVideo = {
        prompt: '',
        url: '',
        generating: false
      };
    }
    // 为旧数据的提问类型对话添加默认的questionType
    if (section.dialogues) {
      section.dialogues.forEach(dialogue => {
        if (dialogue.type === 'quest' && !dialogue.questionType) {
          dialogue.questionType = 'AI Q&A';
          dialogue.options = [{ content: '' }, { content: '' }];
          dialogue.answer = '';
        }
      });
    }
  });
}

// 保存脚本数据到localStorage
const saveScriptDataToCache = () => {
  try {
    const key = `courseScriptData_${userId.value}`
    localStorage.setItem(key, JSON.stringify(scriptData))
    hasDraftCache.value = true
    console.log('保存脚本数据到缓存', key)
  } catch (error) {
    console.error('保存缓存数据失败:', error)
  }
}

// 清空脚本数据缓存
const clearScriptDataCache = () => {
  const key = `courseScriptData_${userId.value}`
  localStorage.removeItem(key)
  hasDraftCache.value = false
  console.log('清除脚本数据缓存', key)
}

// 加载草稿并跳转到步骤2
const loadDraftAndGotoStep2 = () => {
  const cachedData = loadScriptDataFromCache()
  if (cachedData) {
    Object.assign(scriptData, cachedData)
    // 为加载的草稿数据添加背景类型和视频背景字段
    if (scriptData.sections) {
      scriptData.sections.forEach(section => {
        if (!section.backgroundType) {
          section.backgroundType = 'imageAudio';
        }
        if (!section.backgroundVideo) {
          section.backgroundVideo = {
            prompt: '',
            url: '',
            generating: false
          };
        }
        // 为旧数据的提问类型对话添加默认的questionType
        if (section.dialogues) {
          section.dialogues.forEach(dialogue => {
            if (dialogue.type === 'quest' && !dialogue.questionType) {
              dialogue.questionType = 'AI Q&A';
              dialogue.options = [{ content: '' }, { content: '' }];
              dialogue.answer = '';
            }
          });
        }
      });
    }
    currentStep.value = 2
  }
}

// 监听脚本数据变化，自动保存到缓存
watch(
  () => scriptData,
  () => {
    saveScriptDataToCache()
  },
  { deep: true }
)

// 监听对话框可见性变化
watch(
  () => props.visible,
  (newVisible, oldVisible) => {
    if (newVisible) {
      // 对话框打开时，设置初始步骤
      currentStep.value = props.initialStep
      // 清空被替换的URL集合
      replacedUrls.value.clear()
      // 处理脚本数据
      if (props.initialScriptData) {
        // 标记为编辑模式
        isEditMode.value = true
        try {
          const parsedData = JSON.parse(props.initialScriptData)
          Object.assign(scriptData, parsedData)
          // 为加载的脚本数据添加背景类型和视频背景字段
          if (scriptData.sections) {
            scriptData.sections.forEach(section => {
              if (!section.backgroundType) {
                section.backgroundType = 'imageAudio';
              }
              if (!section.backgroundVideo) {
                section.backgroundVideo = {
                  prompt: '',
                  url: '',
                  generating: false
                };
              }
              // 为旧数据的提问类型对话添加默认的questionType
              if (section.dialogues) {
                section.dialogues.forEach(dialogue => {
                  if (dialogue.type === 'quest' && !dialogue.questionType) {
                    dialogue.questionType = 'AI Q&A';
                    dialogue.options = [{ content: '' }, { content: '' }];
                    dialogue.answer = '';
                  }
                });
              }
            });
          }
        } catch (error) {
          console.error('解析脚本数据失败:', error)
          // 解析失败，尝试加载草稿
          const cachedData = loadScriptDataFromCache()
          if (cachedData) {
            Object.assign(scriptData, cachedData)
            // 为加载的草稿数据添加背景类型和视频背景字段
            if (scriptData.sections) {
              scriptData.sections.forEach(section => {
                if (!section.backgroundType) {
                  section.backgroundType = 'imageAudio';
                }
                if (!section.backgroundVideo) {
                  section.backgroundVideo = {
                    prompt: '',
                    url: '',
                    generating: false
                  };
                }
                // 为旧数据的提问类型对话添加默认的questionType
                if (section.dialogues) {
                  section.dialogues.forEach(dialogue => {
                    if (dialogue.type === 'quest' && !dialogue.questionType) {
                      dialogue.questionType = 'AI Q&A';
                      dialogue.options = [{ content: '' }, { content: '' }];
                      dialogue.answer = '';
                    }
                  });
                }
              });
            }
          }
        }
      } else {
        // 标记为新建模式
        isEditMode.value = false
        // 没有脚本数据，尝试加载草稿
        const cachedData = loadScriptDataFromCache()
        if (cachedData) {
          Object.assign(scriptData, cachedData)
          // 为加载的草稿数据添加背景类型和视频背景字段
          if (scriptData.sections) {
            scriptData.sections.forEach(section => {
              if (!section.backgroundType) {
                section.backgroundType = 'imageAudio';
              }
              if (!section.backgroundVideo) {
                section.backgroundVideo = {
                  prompt: '',
                  url: '',
                  generating: false
                };
              }
              // 为旧数据的提问类型对话添加默认的questionType
              if (section.dialogues) {
                section.dialogues.forEach(dialogue => {
                  if (dialogue.type === 'quest' && !dialogue.questionType) {
                    dialogue.questionType = 'AI Q&A';
                    dialogue.options = [{ content: '' }, { content: '' }];
                    dialogue.answer = '';
                  }
                });
              }
            });
          }
        }
      }
    } else if (oldVisible) {
      // 对话框关闭时
      if (props.initialScriptData) {
        // 编辑进来的，清空缓存
        clearScriptDataCache()
      }
      // 重置编辑模式标记
      isEditMode.value = false
      // 新增进来的，保留缓存
    }
  }
)

// 音频播放状态
const audioState = reactive({
  currentAudio: null,
  isPlaying: false,
  currentType: '',
  currentUrl: ''
})

// 存储所有音频实例
const audioInstances = new Map()

// 计算属性：判断是否可以进入下一步
const canProceed = computed(() => {
  switch (currentStep.value) {
    case 1:
      return !!scriptPrompt.value && !!selectedMainTeacher.value && !!selectedThemeType.value
    case 2:
    case 3:
      return scriptData.sections.every(
        (section) =>
          section.backgroundImage.url &&
          section.dialogues.every(
            (dialogue) =>
              (dialogue.type === 'digital' ||
                dialogue.type === 'quest' ||
                dialogue.type === 'poem' ||
                dialogue.type === 'poem_reading' ||
                dialogue.type === 'write_reading' ||
                dialogue.type === 'recite_reading') &&
              dialogue.roleName &&
              dialogue.content.trim() &&
              (dialogue.type === 'poem_reading' ||
                dialogue.type === 'write_reading' ||
                dialogue.type === 'recite_reading' ||
                dialogue.voiceoverUrl)
          )
      )
    default:
      return false
  }
})

// 计算属性：检查是否有任何背景图正在生成
const isAnyImageGenerating = computed(() => {
  return scriptData.sections.some((section) => section.backgroundImage.generating)
})

// 计算属性：检查是否有任何配音正在生成
const isAnyVoiceoverGenerating = computed(() => {
  return scriptData.sections.some((section) =>
    section.dialogues.some((dialogue) => dialogue.generatingVoiceover)
  )
})

// 计算属性：检查是否有任何视频正在生成
const isAnyVideoGenerating = computed(() => {
  return scriptData.sections.some((section) => {
    // 检查背景视频是否正在生成
    if (section.backgroundVideo.generating) {
      return true
    }
    // 检查对话视频是否正在生成
    return section.dialogues.some((dialogue) => dialogue.generatingVideo)
  })
})

// 校验结果
const isValidationPassed = ref(false)
const validationMessage = ref('')
const errorMessages = ref([])

// 视频预览状态
const showVideoPreviewModal = ref(false)

// 全屏状态
const fullscreen = ref(false)

// 存储被替换的URL链接集合
const replacedUrls = ref(new Set())

const activeConversationId = ref(null) // 选中的对话编号
const conversationInAbortController = ref() // 对话进行中 abort 控制器(控制 stream 对话)
const conversationInProgress = ref(false) // 对话是否正在进行中。目前只有【发送】消息时，会更新为 true，避免切换对话、删除对话等操作
const enableContext = ref(false) // 是否开启上下文

// 接收 Stream 消息
const receiveMessageFullText = ref('')
const scriptDataTemp = ref(null)

// 步骤1：生成脚本
const generateScript = async () => {
  isGenerating.value = true
  try {
    clearScriptDataCache()
    scriptData.title = ''
    scriptData.sections = []
    receiveMessageFullText.value = ''
    scriptDataTemp.value = null

    const role = digitalHumans.value.find((r) => r.name === selectedMainTeacher.value)
    let content =
      scriptPrompt.value +
      '（主讲人：' +
      role.name +
      ',主讲人角色定位：' +
      role.description +
      '；助讲有：'
    let zhujiang = []

    selectedAssistants.value.forEach((rName) => {
      const role = digitalHumans.value.find((r) => r.name === rName)
      zhujiang.push(role.name + '[' + role.description + ']')
    })
    content += zhujiang.join('，') + '）'

    // 如果选择了诗词课（英才小学生）并且选中了课程小节，将其信息追加到内容中
    if (selectedThemeType.value === '262' && selectedLessonSection.value) {
      const lessonSection = poetryLessonSections.value.find(
        (s) => s.value === selectedLessonSection.value
      )
      if (lessonSection) {
        content +=
          '【课程小节：' +
          lessonSection.label +
          '；本节课只能出现下面的对话类型：' +
          lessonSection.constraint.join('，') +
          '禁止出现对话类型之外的对话类型；小节描述：' +
          lessonSection.description +
          '】'
      }
    }

    await createAiRoleIdConversation(Number(selectedThemeType.value))
    currentStep.value = 2
    await doSendMessageStream(activeConversationId.value, content)
  } catch (error) {
    console.error('生成脚本失败:', error)
  } finally {
    isGenerating.value = false
  }
}

/** 选择 card 角色：新建聊天对话 */
const createAiRoleIdConversation = async (roleId) => {
  activeConversationId.value = await ChatConversationApi.createChatConversationMy({
    roleId: roleId
  })
}

/** 真正执行【发送】消息操作 */
const doSendMessageStream = async (conversationId, content) => {
  conversationInAbortController.value = new AbortController()
  conversationInProgress.value = true
  scriptPrompt.value = ''

  try {
    let isFirstChunk = true
    await ChatMessageApi.sendChatMessageStream(
      conversationId,
      content,
      conversationInAbortController.value,
      enableContext.value,
      async (res) => {
        const { code, data, msg } = JSON.parse(res.data)
        if (code !== 0) {
          console.error(`对话异常! ${msg}`)
          return
        }

        if (data.eventType === 'TEXT') {
          if (data.receive?.content === '') {
            return
          }

          if (isFirstChunk) {
            isFirstChunk = false
          }

          receiveMessageFullText.value += data.receive.content

          console.log('数据加载中..')
          try {
            const parsedData = JSON.parse(receiveMessageFullText.value)
            scriptDataTemp.value = parsedData
            Object.assign(scriptData, parsedData)
            // 为新生成的脚本数据添加背景类型和视频背景字段
            if (scriptData.sections) {
              scriptData.sections.forEach(section => {
                if (!section.backgroundType) {
                  section.backgroundType = 'imageAudio';
                }
                if (!section.backgroundVideo) {
                  section.backgroundVideo = {
                    prompt: '',
                    url: '',
                    generating: false
                  };
                }
                // 为新生成的提问类型对话添加默认的questionType
                if (section.dialogues) {
                  section.dialogues.forEach(dialogue => {
                    if (dialogue.type === 'quest' && !dialogue.questionType) {
                      dialogue.questionType = 'AI Q&A';
                      dialogue.options = [{ content: '' }, { content: '' }];
                      dialogue.answer = '';
                    }
                  });
                }
              });
            }
          } catch (e) {
            // 解析失败，说明数据还不完整，继续等待
          }
        }
      },
      (error) => {
        console.error(`对话异常! ${error}`)
        throw error
      },
      () => {
        try {
          if (receiveMessageFullText.value) {
            console.log('最终数据:', receiveMessageFullText.value)
            const parsedData = JSON.parse(receiveMessageFullText.value)
            console.log('最终数据json:', parsedData)

            scriptDataTemp.value = parsedData
            Object.assign(scriptData, parsedData)
            // 为新生成的脚本数据添加背景类型和视频背景字段
            if (scriptData.sections) {
              scriptData.sections.forEach(section => {
                if (!section.backgroundType) {
                  section.backgroundType = 'imageAudio';
                }
                if (!section.backgroundVideo) {
                  section.backgroundVideo = {
                    prompt: '',
                    url: '',
                    generating: false
                  };
                }
                // 为新生成的提问类型对话添加默认的questionType
                if (section.dialogues) {
                  section.dialogues.forEach(dialogue => {
                    if (dialogue.type === 'quest' && !dialogue.questionType) {
                      dialogue.questionType = 'AI Q&A';
                      dialogue.options = [{ content: '' }, { content: '' }];
                      dialogue.answer = '';
                    }
                  });
                }
              });
            }
          }
        } catch (e) {
          console.error('最终数据解析失败:', e)

          // 清洗规则：移除```json、```、** 等非JSON标记，只保留中间的JSON内容
          try {
            let cleanJsonStr = receiveMessageFullText.value
            const parsedData = JSON.parse(
              cleanJsonStr
                .replace(/^```json\s*/, '')
                .replace(/\s*```$/, '')
                .replace(/\*\*/g, '')
                .trim()
            )
            console.log('最终清洗后数据json:', parsedData)
            scriptDataTemp.value = parsedData
            Object.assign(scriptData, parsedData)
            // 为新生成的脚本数据添加背景类型和视频背景字段
            if (scriptData.sections) {
              scriptData.sections.forEach(section => {
                if (!section.backgroundType) {
                  section.backgroundType = 'imageAudio';
                }
                if (!section.backgroundVideo) {
                  section.backgroundVideo = {
                    prompt: '',
                    url: '',
                    generating: false
                  };
                }
                // 为新生成的提问类型对话添加默认的questionType
                if (section.dialogues) {
                  section.dialogues.forEach(dialogue => {
                    if (dialogue.type === 'quest' && !dialogue.questionType) {
                      dialogue.questionType = 'AI Q&A';
                      dialogue.options = [{ content: '' }, { content: '' }];
                      dialogue.answer = '';
                    }
                  });
                }
              });
            }
          } catch (cleanError) {
            console.error('清洗后数据解析失败:', cleanError)
          }
        }
      }
    )
  } catch (error) {
    console.error('发送消息流失败:', error)
  } finally {
    conversationInProgress.value = false
  }
}

// 步骤2：添加环节
const addSection = () => {
  scriptData.sections.push({
    name: `环节${scriptData.sections.length + 1}`,
    backgroundType: 'imageAudio', // imageAudio: 图音背景, video: 视频背景
    backgroundImage: { prompt: '', url: '', generating: false },
    backgroundAudio: { type: '', url: '' },
    backgroundVideo: { prompt: '', url: '', generating: false },
    dialogues: []
  })
}

// 步骤2：添加对话（数字人）
const addDialogue = (sectionIndex) => {
  scriptData.sections[sectionIndex].dialogues.push({
    type: 'digital',
    roleName: '',
    content: '',
    voiceoverUrl: '',
    generatingVoiceover: false
  })
}

// 步骤2：添加视频对话
const addVideoDialogue = (sectionIndex) => {
  scriptData.sections[sectionIndex].dialogues.push({
    type: 'video',
    videoUrl: '',
    videoPrompt: '',
    generatingVideo: false
  })
}

// 步骤2：添加用户回复
const addUserReply = (sectionIndex) => {
  scriptData.sections[sectionIndex].dialogues.push({
    type: 'user',
    content: '',
    roleName: '',
    voiceoverUrl: '',
    generatingVoiceover: false
  })
}

// 步骤2：添加提问
const addQuestDialogue = (sectionIndex) => {
  scriptData.sections[sectionIndex].dialogues.push({
    type: 'quest',
    content: '',
    roleName: '',
    voiceoverUrl: '',
    generatingVoiceover: false,
    questionType: 'AI Q&A',
    options: [{ content: '' }, { content: '' }],
    answer: ''
  })
}

// 步骤2：添加诗词
const addPoemDialogue = (sectionIndex) => {
  scriptData.sections[sectionIndex].dialogues.push({
    type: 'poem',
    content: '',
    roleName: '',
    voiceoverUrl: '',
    generatingVoiceover: false
  })
}

// 步骤2：添加朗诵评价
const addPoemReadingDialogue = (sectionIndex) => {
  scriptData.sections[sectionIndex].dialogues.push({
    type: 'poem_reading',
    content: '',
    roleName: '',
  })
}

// 步骤2：添加写诗评价
const addWriteReadingDialogue = (sectionIndex) => {
  scriptData.sections[sectionIndex].dialogues.push({
    type: 'write_reading',
    content: '',
    roleName: '',
  })
}

// 步骤2：添加背诵诗词评价
const addReciteReadingDialogue = (sectionIndex) => {
  scriptData.sections[sectionIndex].dialogues.push({
    type: 'recite_reading',
    content: '',
    roleName: '',
  })
}

// 步骤2：切换更多按钮菜单
const activeMoreMenu = ref(null)
const toggleMoreMenu = (sectionIndex) => {
  activeMoreMenu.value = activeMoreMenu.value === sectionIndex ? null : sectionIndex
}

// 点击其他区域关闭更多菜单
const closeMoreMenu = () => {
  activeMoreMenu.value = null
}

// 步骤2：添加提问与用户回复
const addQuestWithUserReply = (sectionIndex) => {
  // 添加提问类型对话
  scriptData.sections[sectionIndex].dialogues.push({
    type: 'quest',
    content: '',
    roleName: '',
    voiceoverUrl: '',
    generatingVoiceover: false,
    questionType: 'AI Q&A',
    options: [{ content: '' }, { content: '' }],
    answer: ''
  })
  // 添加用户回复类型对话
  scriptData.sections[sectionIndex].dialogues.push({
    type: 'user',
    content: '',
    roleName: '',
    voiceoverUrl: '',
    generatingVoiceover: false
  })
}

// 步骤2：添加单选题选项
const addOption = (sectionIndex, dialogueIndex) => {
  const dialogue = scriptData.sections[sectionIndex].dialogues[dialogueIndex]
  if (!dialogue.options) {
    dialogue.options = []
  }
  if (dialogue.options.length < 6) {
    dialogue.options.push({ content: '' })
  }
}

// 步骤2：删除单选题选项
const removeOption = (sectionIndex, dialogueIndex, optionIndex) => {
  const dialogue = scriptData.sections[sectionIndex].dialogues[dialogueIndex]
  if (dialogue.options && dialogue.options.length > 2) {
    dialogue.options.splice(optionIndex, 1)
    // 如果删除的是当前选中的答案，需要重新设置答案
    if (dialogue.answer && dialogue.answer.charCodeAt(0) - 65 >= dialogue.options.length) {
      dialogue.answer = ''
    }
  }
}

// 步骤2：删除对话
const removeDialogue = (sectionIndex, dialogueIndex) => {
  const dialogues = scriptData.sections[sectionIndex].dialogues
  const dialogue = dialogues[dialogueIndex]

  // 如果是提问类型，同时删除后面的用户回复
  if (
    dialogue.type === 'quest' &&
    dialogueIndex < dialogues.length - 1 &&
    dialogues[dialogueIndex + 1].type === 'user'
  ) {
    dialogues.splice(dialogueIndex, 2)
  } else {
    dialogues.splice(dialogueIndex, 1)
  }
}

// 步骤2：删除环节
const removeSection = (sectionIndex) => {
  if (scriptData.sections.length > 1) {
    scriptData.sections.splice(sectionIndex, 1)
  } else {
    alert('至少需要保留一个环节')
  }
}

// 图片生成相关状态
const inProgressImageMap = ref({}) // 监听的图片映射，key 为 image 编号，value 为 { sectionIndex, type: 'image'|'audio' }
const inProgressTimer = ref(null) // 生成中的图片定时器，轮询生成进展

// 视频生成相关状态
const inProgressVideoMap = ref({}) // 监听的视频映射，key 为 video 编号，value 为 { sectionIndex, dialogueIndex, type: 'background'|'dialogue' }
const inProgressVideoTimer = ref(null) // 生成中的视频定时器，轮询生成进展

// 步骤2：生成单个媒体（仅背景图）
const generateMedia = async (sectionIndex) => {
  const section = scriptData.sections[sectionIndex]
  const media = section.backgroundImage

  // 记录旧的URL
  let oldUrl = null
  if (media.url) {
    oldUrl = media.url
    replacedUrls.value.add(oldUrl)
  }

  media.generating = true
  try {
    const form = {
      platform: AiPlatformEnum.DOU_BAO,
      modelId: 56,
      prompt: media.prompt,
      width: 1024,
      height: 768
    }
    const response = await ImageApi.drawImage(form)
    inProgressImageMap.value[response] = {
      sectionIndex
    }
  } catch (error) {
    console.error(`生成图片失败:`, error)
    media.generating = false
    // 生成失败，从replacedUrls中移除旧URL
    if (oldUrl) {
      replacedUrls.value.delete(oldUrl)
    }
  }
}

// 步骤2：生成视频背景
const generateVideo = async (sectionIndex) => {
  const section = scriptData.sections[sectionIndex]
  const media = section.backgroundVideo

  // 记录旧的URL
  let oldUrl = null
  if (media.url) {
    oldUrl = media.url
    replacedUrls.value.add(oldUrl)
  }

  media.generating = true
  try {
    const form = {
      platform: AiPlatformEnum.DOU_BAO,
      modelId: 60,
      prompt: media.prompt,
      width: 1024,
      height: 768,
      resolution: '1080P',
      duration: 4,
      options: {}
    }
    const response = await VideoApi.drawVideo(form)
    inProgressVideoMap.value[response] = {
      sectionIndex,
      type: 'background'
    }
  } catch (error) {
    console.error(`生成视频失败:`, error)
    media.generating = false
    // 生成失败，从replacedUrls中移除旧URL
    if (oldUrl) {
      replacedUrls.value.delete(oldUrl)
    }
  }
}

// 步骤2：生成对话视频
const generateDialogueVideo = async (sectionIndex, dialogueIndex) => {
  const dialogue = scriptData.sections[sectionIndex].dialogues[dialogueIndex]

  // 记录旧的URL
  let oldUrl = null
  if (dialogue.videoUrl) {
    oldUrl = dialogue.videoUrl
    replacedUrls.value.add(oldUrl)
  }

  dialogue.generatingVideo = true
  try {
    const form = {
      platform: AiPlatformEnum.DOU_BAO,
      modelId: 64,
      prompt: dialogue.videoPrompt,
      width: 1024,
      height: 768,
      resolution: '1080P',
      duration: 4,
      options: {}
    }
    const response = await VideoApi.drawVideo(form)
    inProgressVideoMap.value[response] = {
      sectionIndex,
      dialogueIndex,
      type: 'dialogue'
    }
  } catch (error) {
    console.error(`生成对话视频失败:`, error)
    dialogue.generatingVideo = false
    // 生成失败，从replacedUrls中移除旧URL
    if (oldUrl) {
      replacedUrls.value.delete(oldUrl)
    }
  }
}

// 步骤2：一键生成所有背景图
const generateAllImages = async () => {
  isGeneratingImages.value = true
  try {
    for (let i = 0; i < scriptData.sections.length; i++) {
      const section = scriptData.sections[i]
      // 只处理没有背景图URL的环节
      if (!section.backgroundImage.url) {
        await generateMedia(i)
      }
    }

    // 检查是否有图片正在生成
    const checkImagesComplete = setInterval(() => {
      if (Object.keys(inProgressImageMap.value).length === 0) {
        isGeneratingImages.value = false
        clearInterval(checkImagesComplete)
      }
    }, 1000)
  } catch (error) {
    console.error('生成所有背景图失败:', error)
    isGeneratingImages.value = false
  }
}

// 步骤2：一键生成所有视频
const generateAllVideos = async () => {
  isGeneratingVideos.value = true
  try {
    for (let i = 0; i < scriptData.sections.length; i++) {
      const section = scriptData.sections[i]
      // 处理视频背景
      if (section.backgroundType === 'video' && !section.backgroundVideo.url) {
        await generateVideo(i)
      }
      // 处理对话视频
      for (let j = 0; j < section.dialogues.length; j++) {
        const dialogue = section.dialogues[j]
        if (dialogue.type === 'video' && !dialogue.videoUrl) {
          await generateDialogueVideo(i, j)
        }
      }
    }

    // 检查是否有视频正在生成
    const checkVideosComplete = setInterval(() => {
      if (Object.keys(inProgressVideoMap.value).length === 0) {
        isGeneratingVideos.value = false
        clearInterval(checkVideosComplete)
      }
    }, 1000)
  } catch (error) {
    console.error('生成所有视频失败:', error)
    isGeneratingVideos.value = false
  }
}

// 轮询生成中的图片列表
const refreshWatchImages = async () => {
  const imageIds = Object.keys(inProgressImageMap.value).map(Number)
  if (imageIds.length === 0) {
    return
  }

  try {
    const list = await ImageApi.getImageListMyByIds(imageIds)
    const newWatchImages = {}
    list.forEach((image) => {
      const info = inProgressImageMap.value[image.id]
      if (info) {
        if (image.status === AiImageStatusEnum.IN_PROGRESS) {
          newWatchImages[image.id] = info
        } else if (image.status === AiImageStatusEnum.SUCCESS && image.picUrl) {
          const section = scriptData.sections[info.sectionIndex]
          section.backgroundImage.url = image.picUrl
          section.backgroundImage.generating = false
        } else if (image.status === AiImageStatusEnum.FAIL) {
          const section = scriptData.sections[info.sectionIndex]
          section.backgroundImage.generating = false
          // 生成失败，从replacedUrls中移除旧URL
          if (section.backgroundImage.url) {
            replacedUrls.value.delete(section.backgroundImage.url)
          }
        }
      }
    })
    inProgressImageMap.value = newWatchImages
  } catch (error) {
    console.error('轮询图片状态失败:', error)
  }
}

// 轮询生成中的视频列表
const refreshWatchVideos = async () => {
  const videoIds = Object.keys(inProgressVideoMap.value).map(Number)
  if (videoIds.length === 0) {
    return
  }

  try {
    const list = await VideoApi.getVideoListMyByIds(videoIds)
    const newWatchVideos = {}
    list.forEach((video) => {
      const info = inProgressVideoMap.value[video.id]
      if (info) {
        if (video.status === AiVideoStatusEnum.IN_PROGRESS) {
          newWatchVideos[video.id] = info
        } else if (video.status === AiVideoStatusEnum.SUCCESS && video.videoUrl) {
          if (info.type === 'background') {
            const section = scriptData.sections[info.sectionIndex]
            section.backgroundVideo.url = video.videoUrl
            section.backgroundVideo.generating = false
          } else if (info.type === 'dialogue') {
            const dialogue = scriptData.sections[info.sectionIndex].dialogues[info.dialogueIndex]
            dialogue.videoUrl = video.videoUrl
            dialogue.generatingVideo = false
          }
        } else if (video.status === AiVideoStatusEnum.FAIL) {
          if (info.type === 'background') {
            const section = scriptData.sections[info.sectionIndex]
            section.backgroundVideo.generating = false
            // 生成失败，从replacedUrls中移除旧URL
            if (section.backgroundVideo.url) {
              replacedUrls.value.delete(section.backgroundVideo.url)
            }
          } else if (info.type === 'dialogue') {
            const dialogue = scriptData.sections[info.sectionIndex].dialogues[info.dialogueIndex]
            dialogue.generatingVideo = false
            // 生成失败，从replacedUrls中移除旧URL
            if (dialogue.videoUrl) {
              replacedUrls.value.delete(dialogue.videoUrl)
            }
          }
        }
      }
    })
    inProgressVideoMap.value = newWatchVideos
  } catch (error) {
    console.error('轮询视频状态失败:', error)
  }
}

// 播放音频通用函数
const playAudio = (url, type) => {
  if (audioState.currentAudio) {
    audioState.currentAudio.pause()
    audioState.currentAudio.currentTime = 0
  }

  if (audioState.isPlaying && audioState.currentUrl === url && audioState.currentType === type) {
    if (audioState.currentAudio) {
      audioState.currentAudio.pause()
    }
    audioState.isPlaying = false
    return
  }

  let audio = audioInstances.get(`${type}_${url}`)
  if (!audio) {
    audio = new Audio(url)
    audio.autoplay = false
    audioInstances.set(`${type}_${url}`, audio)

    audio.onended = () => {
      audioState.isPlaying = false
      audioState.currentAudio = null
      audioState.currentUrl = ''
      audioState.currentType = ''
    }
  }

  audio.play().catch((error) => {
    console.error('播放失败:', error)
    audioState.isPlaying = false
  })

  audioState.currentAudio = audio
  audioState.isPlaying = true
  audioState.currentUrl = url
  audioState.currentType = type
}

// 播放语音
const playVoiceover = (voiceoverUrl) => {
  playAudio(voiceoverUrl, 'voice')
}

// 处理背景音选择变化
const handleBackgroundAudioChange = (value, section) => {
  if (value) {
    const selectedMusic = backgroundMusicTypes.value.find((music) => music.id === value)
    if (selectedMusic) {
      section.backgroundAudio.url = selectedMusic.url
    }
  } else {
    section.backgroundAudio.url = ''
  }
}

// 播放背景音
const playBackgroundAudio = (musicType) => {
  const selectedMusic = backgroundMusicTypes.value.find((music) => music.id === musicType)
  const audioUrl = selectedMusic ? selectedMusic.url : `https://example.com/${musicType}.mp3`
  playAudio(audioUrl, 'background')
}

// 生成单个语音
const generateVoiceover = async (sectionIndex, dialogueIndex) => {
  const dialogue = scriptData.sections[sectionIndex].dialogues[dialogueIndex]

  // 只处理数字人、提问和诗词类型的对话
  if (dialogue.type !== 'digital' && dialogue.type !== 'quest' && dialogue.type !== 'poem') {
    return
  }

  // 记录旧的URL
  let oldUrl = null
  if (dialogue.voiceoverUrl) {
    oldUrl = dialogue.voiceoverUrl
    replacedUrls.value.add(oldUrl)
  }

  dialogue.generatingVoiceover = true

  let role = digitalHumans.value.find((r) => r.name === dialogue.roleName)

  try {
    // 根据对话类型设置不同的command
    const command =
      dialogue.type === 'poem' ? '要有感情的朗读诗词语句，要符合诗词的节奏和韵律。' : null

    // 调用后端API将文本转成语音
    // 将返回的URL赋值给对话
    dialogue.voiceoverUrl = await TtsApi.convert({
      roleId: Number(role.id),
      content: dialogue.content,
      command: command
    })
  } catch (error) {
    console.error('生成语音失败:', error)
    // 生成失败，从replacedUrls中移除旧URL
    if (oldUrl) {
      replacedUrls.value.delete(oldUrl)
    }
  } finally {
    dialogue.generatingVoiceover = false
  }
}

// 步骤3：一键生成所有语音
const generateAllVoiceovers = async () => {
  isGeneratingVoiceovers.value = true
  try {
    for (let i = 0; i < scriptData.sections.length; i++) {
      for (let j = 0; j < scriptData.sections[i].dialogues.length; j++) {
        const dialogue = scriptData.sections[i].dialogues[j]
        // 只处理没有语音URL的对话
        if (!dialogue.voiceoverUrl) {
          await generateVoiceover(i, j)
        }
      }
    }
  } catch (error) {
    console.error('生成所有语音失败:', error)
  } finally {
    isGeneratingVoiceovers.value = false
  }
}

// 获取角色名称
const getRoleName = (roleName) => {
  const role = digitalHumans.value.find((r) => r.name === roleName)
  return role ? role.name : '未知角色'
}

// 解析 Markdown 文本
const parseMarkdown = (text) => {
  if (!text) return ''
  return marked(text)
}

// 步骤4：校验脚本
const validateScript = () => {
  let isValid = true
  errorMessages.value = []

  // 检查环节名称、背景图或视频
  scriptData.sections.forEach((section, sectionIndex) => {
    if (!section.name.trim()) {
      errorMessages.value.push(`环节${sectionIndex + 1}：名称未配置！`)
      isValid = false
    }

    // 根据背景类型检查对应的媒体URL
    if (section.backgroundType === 'video') {
      // 视频背景需要检查视频URL
      if (!section.backgroundVideo.url) {
        errorMessages.value.push(`环节${sectionIndex + 1}：视频背景URL未配置！`)
        isValid = false
      }
    } else if (section.backgroundType === 'imageAudio') {
      // 图音背景需要检查背景图URL
      if (!section.backgroundImage.url) {
        errorMessages.value.push(`环节${sectionIndex + 1}：背景图URL未配置！`)
        isValid = false
      }
    }

    // 检查对话
    section.dialogues.forEach((dialogue, dialogueIndex) => {
      // 检查数字人、提问、诗词、朗诵评价、写诗评价、背诵诗词评价类型的对话
      if (dialogue.type === 'digital' || dialogue.type === 'quest' || dialogue.type === 'poem' || dialogue.type === 'poem_reading' || dialogue.type === 'write_reading' || dialogue.type === 'recite_reading') {
        if (
          !dialogue.roleName ||
          !dialogue.content.trim() ||
          (dialogue.type !== 'poem' && dialogue.type !== 'poem_reading' && dialogue.type !== 'write_reading' && dialogue.type !== 'recite_reading' && !dialogue.voiceoverUrl)
        ) {
          errorMessages.value.push(
            `环节${sectionIndex + 1}：对话${dialogueIndex + 1}：存在完成内容！`
          )
          isValid = false
        }
      } else if (dialogue.type === 'video') {
        // 检查视频类型的对话
        if (
          !dialogue.videoUrl
        ) {
          errorMessages.value.push(
            `环节${sectionIndex + 1}：对话${dialogueIndex + 1}：视频内容未配置完整！`
          )
          isValid = false
        }
      }
    })
  })

  isValidationPassed.value = isValid
  validationMessage.value = errorMessages.value.length > 0 ? '校验失败' : '校验通过'
}

// 图片上传前验证
const beforeImageUpload = (file) => {
  const isJPG = file.type === 'image/jpeg' || file.type === 'image/png' || file.type === 'image/gif' || file.type === 'image/webp'
  const isLt2M = file.size / 1024 / 1024 < 2

  if (!isJPG) {
    ElMessage.error('只能上传 JPG、PNG、GIF、WebP 格式的图片！')
    return false
  }
  if (!isLt2M) {
    ElMessage.error('图片大小不能超过 2MB！')
    return false
  }
  return true
}

// 处理图片上传成功
const handleImageUpload = (response, file, sectionIndex) => {
  // 这里假设上传成功后返回的response包含图片的URL
  // 实际项目中需要根据后端API的返回格式进行调整
  const imageUrl = response.url || URL.createObjectURL(file)
  scriptData.sections[sectionIndex].backgroundImage.url = imageUrl
  scriptData.sections[sectionIndex].backgroundImage.generating = false
  ElMessage.success('图片上传成功！')
}

// 编辑图片
const editImage = (sectionIndex) => {
  // 这里可以添加编辑图片的逻辑，比如打开图片编辑器
  ElMessage.info('编辑图片功能待实现')
}

// 删除图片
const deleteImage = (sectionIndex) => {
  scriptData.sections[sectionIndex].backgroundImage.url = ''
  ElMessage.success('图片删除成功！')
}

// 步骤4：保存脚本
const saveScript = async () => {
  validateScript()

  if (!isValidationPassed.value) {
    return
  }

  // 保存脚本后清除缓存
  clearScriptDataCache()
  emit('save', scriptData, [...replacedUrls.value])
  emit('update:visible', false)
}

// 下一步操作
const nextStep = () => {
  if (currentStep.value === 2) {
    validateScript()
  }
  currentStep.value++
}

// 显示视频预览
const showVideoPreview = () => {
  showVideoPreviewModal.value = true
}

// 关闭视频预览
const closeVideoPreview = () => {
  showVideoPreviewModal.value = false
}

// 组件挂载时
onMounted(async () => {
  // 设置初始步骤
  currentStep.value = props.initialStep

  // 监听文档点击关闭更多菜单
  document.addEventListener('click', closeMoreMenu)

  try {
    const params = {
      pageOn: 1,
      pageSize: 100,
      category: '小学低年级',
      publicStatus: true
    }
    const { list } = await ChatRoleApi.getMyPage(params)
    params.category += 'AI'
    const { list: listAi } = await ChatRoleApi.getMyPage(params)
    params.category = '全部'
    const { list: listAll } = await ChatRoleApi.getMyPage(params)
    params.category = '全部-Poet'
    const { list: listAllPoet } = await ChatRoleApi.getMyPage(params)
    listAi.push(...list)
    listAi.push(...listAll)
    listAi.push(...listAllPoet)
    digitalHumans.value = listAi
  } catch (error) {
    console.error('获取角色数据失败:', error)
  }

  inProgressTimer.value = setInterval(async () => {
    await refreshWatchImages()
  }, 3000)

  inProgressVideoTimer.value = setInterval(async () => {
    await refreshWatchVideos()
  }, 3000)
})

// 关闭事件
const emit = defineEmits(['update:visible', 'save'])
const handleClose = () => {
  emit('update:visible', false)
}

// 组件卸载时
onUnmounted(() => {
  if (inProgressTimer.value) {
    clearInterval(inProgressTimer.value)
  }
  if (inProgressVideoTimer.value) {
    clearInterval(inProgressVideoTimer.value)
  }
  document.removeEventListener('click', closeMoreMenu)
})
</script>

<style scoped>
.course-script-editor {
  width: 100%;
  height: 90vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: #f8f9fa;
}

/* 主容器样式 */
.main-container {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* 左侧步骤指示器样式 */
.steps-sidebar {
  width: 200px;
  background-color: #f5f7fa;
  border-right: 1px solid #ebeef5;
  padding: 30px 0;
  display: flex;
  align-items: center;
}

/* 右侧内容区域样式 */
.content-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* 步骤内容样式 */
.step-content {
  flex: 1;
  padding: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background-color: white;
  border-radius: 0;
  box-shadow: none;
}

/* 步骤1垂直居中 */
.step-content:has(.ai-input-container) {
  justify-content: center;
  align-items: center;
}

/* 编辑器工具栏样式 - 固定顶部 */
.editor-toolbar.sticky-top {
  position: sticky;
  top: 0;
  z-index: 100;
  margin-top: -20px;
  margin-left: -20px;
  margin-right: -20px;
  border-radius: 0;
  border-bottom: 1px solid #ebeef5;
  background: rgba(250, 250, 250, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* 脚本编辑器样式 - 可滚动 */
.script-editor {
  flex: 1;
  overflow-y: auto;
  margin-top: 20px;
  padding-right: 10px;
  background-color: white;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}

.script-editor::-webkit-scrollbar {
  width: 6px;
}

.script-editor::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}

.script-editor::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 3px;
}

/* 背景类型切换样式 */
.background-type-switch {
  position: absolute;
  top: -15px;
  left: 10px;
  z-index: 10;
}

/* 媒体控制区域样式调整 */
.media-controls {
  position: relative;
  margin-top: 30px;
  padding-top: 40px; /* 为背景类型切换留出空间 */
  height: 165px;
}

/* 视频预览样式 */
.media-preview video {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  border-radius: 4px;
}

/* 预览视频背景样式 */
.preview-section {
  position: relative;
  min-height: 400px;
  margin-bottom: 20px;
  border-radius: 8px;
  overflow: hidden;
}

.preview-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.preview-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-section-content {
  position: relative;
  z-index: 1;
  padding: 20px;
  background: rgba(255, 255, 255, 0.8);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.script-editor::-webkit-scrollbar-thumb:hover {
  background: #a1a1a1;
}
/* 步骤导航 */
.steps-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: 100%;
  .step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    .step-circle {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      margin-bottom: 8px;
    }
    .step-title {
      font-size: 14px;
      text-align: center;
      padding: 0 20px;
    }
    &.process {
      .step-circle {
        background-color: #409eff;
        color: white;
      }
      .step-title {
        color: #409eff;
      }
    }
    &.wait {
      .step-circle {
        background-color: #e4e7ed;
        color: #c0c4cc;
      }
      .step-title {
        color: #c0c4cc;
      }
    }
    &.finish {
      .step-circle {
        background-color: #67c23a;
        color: white;
      }
      .step-title {
        color: #67c23a;
      }
    }
  }
  .step-line {
    width: 2px;
    height: 40px;
    background-color: #e4e7ed;
    &.active {
      background-color: #409eff;
    }
  }
}

/* 步骤内容 */
.step-content {
  background-color: white;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}

/* 按钮组样式 */
.button-group {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  justify-content: center;
}

/* 次要按钮样式 */
.generate-btn.secondary {
  background-color: #606266;
  color: white;
}

.generate-btn.secondary:hover {
  background-color: #ffaa72;
  color: white;
}

/* 对话类型标签 */
.dialogue-type-tag {
  position: absolute;
  top: -10px;
  left: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 500;
  color: white;
}

/* 隐藏用户回复卡片 */
.dialogue-item.hidden {
  display: none;
}

/* 错误信息项样式 */
.error-item {
  margin-bottom: 8px;
  line-height: 1.4;
}

.dialogue-type-tag.digital {
  background-color: #409eff;
}

.dialogue-type-tag.user {
  background-color: #67c23a;
}

.dialogue-type-tag.quest {
  background-color: #e6a23c;
}

.dialogue-type-tag.poem {
  background-color: #909399;
}

.dialogue-type-tag.poem_reading {
  background-color: #7d60a4;
}

.dialogue-type-tag.write_reading {
  background-color: #c23a70;
}

.dialogue-type-tag.recite_reading {
  background-color: #2aa898;
}

.dialogue-type-tag.video {
  background-color: #8b4513;
}

/* 对话项样式 */
.dialogue-item {
  position: relative;
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 15px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.dialogue-item:hover {
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.dialogue-item.digital {
  border-left: 4px solid #409eff;
}

.dialogue-item.user {
  border-left: 4px solid #67c23a;
}

.dialogue-item.quest {
  border-left: 4px solid #e6a23c;
}

.dialogue-item.video {
  border-left: 4px solid #8b4513;
}

.dialogue-item.poem_reading {
  border-left: 4px solid #7d60a4;
}

.dialogue-item.write_reading {
  border-left: 4px solid #c23a70;
}

.dialogue-item.recite_reading {
  border-left: 4px solid #2aa898;
}

/* 对话头部 */
.dialogue-header {
  margin-bottom: 10px;
}

/* 对话行 */
.dialogue-row {
  display: flex;
  gap: 15px;
  align-items: flex-start;
}

/* 角色选择 */
.dialogue-role-select {
  flex-shrink: 0;
}

/* 回复角色选择 */
.dialogue-reply-select {
  flex-shrink: 0;
}

/* 内容容器 */
.dialogue-content-container {
  flex: 1;
  min-width: 0;
}

/* 添加对话按钮容器 */
.add-dialogue-buttons {
  display: flex;
  gap: 10px;
  margin-top: 15px;
}

/* 添加对话按钮 */
.add-dialogue-btn {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-width: 120px;
}

.add-dialogue-btn.digital {
  background-color: #83c2ff;
  color: white;
}

.add-dialogue-btn.digital:hover {
  background-color: #409eff;
  border-color: #4aa2fd;
  color: white;
}

.add-dialogue-btn.user {
  background-color: #85ce61;
  color: white;
}

.add-dialogue-btn.quest {
  background-color: #e6a23c;
  color: white;
}

.add-dialogue-btn.poem {
  background-color: #909399;
  color: white;
}

.add-dialogue-btn.poem_reading {
  background-color: #7d60a4;
  color: white;
}

.add-dialogue-btn.write_reading {
  background-color: #c23a70;
  color: white;
}

.add-dialogue-btn.recite_reading {
  background-color: #2aa898;
  color: white;
}

.add-dialogue-btn.quest-user {
  background-color: #e6a23c;
  color: white;
}

.add-dialogue-btn.more-btn {
  background-color: #4a5568;
  color: white;
}

.add-dialogue-btn.user:hover {
  background-color: #67c23a;
  border-color: #67c23a;
  color: white;
}

.add-dialogue-btn.quest:hover {
  background-color: #cf9236;
  border-color: #cf9236;
  color: white;
}

.add-dialogue-btn.quest-user:hover {
  background-color: #cf9236;
  border-color: #cf9236;
  color: white;
}

.add-dialogue-btn.poem:hover {
  background-color: #73767a;
  border-color: #73767a;
}

.add-dialogue-btn.poem_reading:hover {
  background-color: #624a83;
  border-color: #624a83;
  color: white;
}

.add-dialogue-btn.write_reading:hover {
  background-color: #9e2a56;
  border-color: #9e2a56;
  color: white;
}

.add-dialogue-btn.recite_reading:hover {
  background-color: #208174;
  border-color: #208174;
  color: white;
}

.add-dialogue-btn.more-btn:hover {
  background-color: #2d3748;
  border-color: #2d3748;
  color: white;
}

/* 更多下拉菜单容器 */
.more-dropdown-wrapper {
  position: relative;
  display: inline-block;
}

/* 更多下拉菜单 */
.more-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 5px;
  background-color: white;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 170px;
  z-index: 100;
}

/* 下拉菜单中按钮 */
.more-item-btn {
  padding: 8px 12px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 5px;
  text-align: left;
  width: 100%;
  color: white;
}

.more-item-btn.poem {
  background-color: #909399;
}
.more-item-btn.poem:hover {
  background-color: #73767a;
}
.more-item-btn.poem_reading {
  background-color: #7d60a4;
}
.more-item-btn.poem_reading:hover {
  background-color: #624a83;
}
.more-item-btn.write_reading {
  background-color: #c23a70;
}
.more-item-btn.write_reading:hover {
  background-color: #9e2a56;
}
.more-item-btn.recite_reading {
  background-color: #2aa898;
}
.more-item-btn.recite_reading:hover {
  background-color: #208174;
}

/* 上传相关样式 */
.upload-container {
  margin-top: 10px;
  display: inline-block;
}

.media-upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  border: 2px dashed #d9d9d9;
  border-radius: 8px;
  margin-top: 10px;
  background-color: #fafafa;
}

.upload-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.upload-text {
  margin-bottom: 16px;
  color: #999;
}

.upload-btn {
  margin-left: 10px;
}

.upload-btn-full {
  width: 100%;
}

.media-preview {
  position: relative;
  margin-top: 10px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.media-preview img,
.media-preview video {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
}

.media-preview .preview-actions {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.6);
  padding: 10px;
  display: flex;
  justify-content: flex-end;
  margin-top: 0;
}

.media-preview .preview-actions button {
  color: white;
  margin-left: 10px;
}

.media-preview .preview-actions button:hover {
  color: #409eff;
}

.add-dialogue-btn.video {
  background-color: #8b4513;
  color: white;
}

.add-dialogue-btn.video:hover {
  background-color: #a0522d;
  border-color: #a0522d;
  color: white;
}

/* 预览对话样式 */
.preview-dialogue {
  position: relative;
  margin-bottom: 20px;
  padding: 15px;
  border-radius: 8px;
  background-color: #f9f9f9;
}

.preview-dialogue.digital {
  border-left: 4px solid #409eff;
}

.preview-dialogue.user {
  border-left: 4px solid #67c23a;
}

.preview-dialogue.quest {
  border-left: 4px solid #e6a23c;
}

.preview-dialogue.poem {
  border-left: 4px solid #909399;
}

.preview-dialogue.video {
  border-left: 4px solid #8b4513;
}

.preview-dialogue .dialogue-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0;
  margin-bottom: 10px;
}

.preview-dialogue .dialogue-header-left {
  display: flex;
  align-items: center;
  gap: 2px;
}

.preview-dialogue .dialogue-type-tag {
  position: static;
  margin-right: 2px;
}

/* 回复信息 */
.reply-info {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid #e8e8e8;
  font-size: 14px;
  color: #666;
  font-style: italic;
}

/* AI输入容器 */
.ai-input-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 30px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  min-height: 500px;
}

.selection-group {
  margin-bottom: 30px;
}

.ai-input-wrapper {
  margin-bottom: 30px;
}

.ai-input-container .button-group {
  display: flex;
  gap: 10px;
  margin-top: 30px;
  justify-content: center;
}

.ai-input-container .button-group button {
  flex: 1;
  min-width: 200px;
  text-align: center;
}

.ai-input-wrapper {
  position: relative;
  margin-bottom: 30px;
}

.ai-icon {
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 28px;
  color: #409eff;
  background: rgba(64, 158, 255, 0.1);
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(64, 158, 255, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(64, 158, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(64, 158, 255, 0);
  }
}

.ai-textarea {
  width: 100%;
  min-height: 140px;
  padding: 24px 24px 24px 84px;
  border: 2px solid #e8e8e8;
  border-radius: 16px;
  font-size: 16px;
  resize: vertical;
  transition: all 0.3s ease;
  background: #fafafa;
  line-height: 1.6;
}

.ai-textarea:focus {
  outline: none;
  border-color: #409eff;
  background: white;
  box-shadow: 0 0 0 3px rgba(64, 158, 255, 0.1);
}

.selection-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 30px;
}

.selection-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.selection-item label {
  font-weight: 600;
  color: #333;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #666;
}

.selection-item select {
  padding: 14px 16px;
  border: 2px solid #e8e8e8;
  border-radius: 10px;
  font-size: 14px;
  transition: all 0.3s ease;
  background: white;
}

.selection-item select:focus {
  outline: none;
  border-color: #409eff;
  box-shadow: 0 0 0 3px rgba(64, 158, 255, 0.1);
}

.multi-select {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px;
  border: 2px solid #e8e8e8;
  border-radius: 10px;
  background: white;
  transition: all 0.3s ease;
}

.multi-select:focus-within {
  border-color: #409eff;
  box-shadow: 0 0 0 3px rgba(64, 158, 255, 0.1);
}

.select-option {
  padding: 8px 16px;
  background: #f5f5f5;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
}

.select-option:hover {
  background: #e6f7ff;
  border-color: #91d5ff;
}

.select-option.selected {
  background: #409eff;
  color: white;
  border-color: #409eff;
  box-shadow: 0 2px 8px rgba(64, 158, 255, 0.3);
}

/* 加载遮挡层样式 */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  pointer-events: auto;
}

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  background: white;
  padding: 32px;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  pointer-events: auto;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #409eff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loading-text {
  font-size: 16px;
  font-weight: 500;
  color: #333;
}

/* 按钮样式 */
.generate-btn {
  padding: 14px 8px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.generate-btn.primary {
  background: linear-gradient(135deg, #409eff, #1890ff);
  color: white;
  box-shadow: 0 4px 12px rgba(64, 158, 255, 0.3);
}

.generate-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(64, 158, 255, 0.4);
}

.generate-btn.primary:disabled {
  background: #91c5f7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.generate-btn.small {
  padding: 8px 16px;
  font-size: 14px;
  border-radius: 8px;
}

.generate-btn.small:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(64, 158, 255, 0.3);
}

.generate-btn.small:disabled {
  background: #91c5f7;
  color: white;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.toolbar-btn:disabled {
  background: #f0f0f0;
  color: #c0c0c0;
  border-color: #e0e0e0;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.toolbar-btn:disabled:hover {
  background: #f0f0f0;
  color: #c0c0c0;
  border-color: #e0e0e0;
  transform: none;
  box-shadow: none;
}

/* 编辑器工具栏 */
.editor-toolbar {
  position: sticky;
  top: 20px;
  z-index: 100;
  margin-bottom: 30px;
  padding: 16px 20px;
  background: rgba(250, 250, 250, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  border: 1px solid #e8e8e8;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
}

.editor-toolbar::-webkit-scrollbar {
  height: 4px;
}

.editor-toolbar::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 2px;
}

.editor-toolbar::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 2px;
}

.editor-toolbar::-webkit-scrollbar-thumb:hover {
  background: #a1a1a1;
}

.toolbar-btn {
  padding: 12px 24px;
  margin: 0 12px;
  background: white;
  border: 2px solid #e8e8e8;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  color: #333;
}

.toolbar-btn:hover {
  background: #409eff;
  color: white;
  border-color: #409eff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(64, 158, 255, 0.3);
}

/* 脚本编辑器 */
.script-section {
  margin-top: 40px;
  margin-bottom: 40px;
  padding: 5px 24px 24px;
  background: white;
  border-radius: 16px;
  position: relative;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid #f0f0f0;
}

.section-header {
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.section-name-container {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 12px;
  margin-top: 16px;
}

.remove-section-btn {
  background: #ff4d4f;
  border: none;
  color: white;
  font-size: 16px;
  cursor: pointer;
  padding: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.remove-section-btn:hover {
  background: #ff7875;
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(255, 77, 79, 0.3);
}

.section-name-label {
  padding: 2px 15px;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 500;
  color: white;
  background-color: #c18484;
  white-space: nowrap;
  display: flex;
  align-items: center;
  height: 44px;
  box-sizing: border-box;
}

.section-title {
  flex: 1;
  padding: 14px 16px;
  border: 2px solid #e8e8e8;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.section-title:focus {
  outline: none;
  border-color: #409eff;
  box-shadow: 0 0 0 3px rgba(64, 158, 255, 0.1);
}

.media-controls {
  display: flex;
  background: linear-gradient(135deg, #f8f9fa, #ffffff);
  padding: 16px 20px;
  border-radius: 10px;
  border: 1px solid #e8e8e8;
  align-items: center;
  justify-content: space-between;
}

.media-item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 50px;
}

.media-input-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.media-label {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  color: #666;
}

.media-prompt {
  font-size: 14px;
  transition: all 0.3s ease;
  width: 300px;
}
.media-prompt-video{
  font-size: 14px;
  transition: all 0.3s ease;
  width: 500px;
}

/* 视频对话样式 */
.dialogue-item.video .dialogue-row {
  justify-content: center;
}

.dialogue-item.video .media-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 900px;
}

.dialogue-item.video .media-input-group {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: 15px;
}

.dialogue-item.video .media-label {
  white-space: nowrap;
  margin-bottom: 0;
}

.dialogue-item.video .media-prompt-video {
  flex: 1;
  min-width: 300px;
  max-width: 600px;
}

.dialogue-item.video .media-prompt-video .el-textarea {
  min-height: 40px;
}

.dialogue-item.video .media-prompt-video .el-textarea__inner {
  min-height: 40px;
  padding: 6px 12px;
}

.dialogue-item.video .media-preview {
  flex: 0 0 200px;
  margin: 5px 0;
}

.dialogue-item.video .media-preview video {
  width: 100%;
  max-height: 120px;
  object-fit: cover;
  border-radius: 4px;
}

.dialogue-item.video .generate-btn {
  min-width: 80px;
  white-space: nowrap;
}

.dialogue-item.video .remove-btn {
  margin-left: 10px;
}

.media-prompt .el-textarea {
  width: 100%;
  min-height: 60px;
}

.media-prompt .el-textarea__inner {
  padding: 8px 12px;
  border: 2px solid #e8e8e8;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.3s ease;
  min-height: 60px;
  resize: none;
}

.media-prompt .el-textarea__inner:focus {
  outline: none;
  border-color: #409eff;
  box-shadow: 0 0 0 3px rgba(64, 158, 255, 0.1);
}

.media-preview {
  margin-left: 20px;
}

.media-preview img {
  max-width: 180px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.media-preview img:hover {
  transform: scale(1.05);
}

.dialogues-container {
  margin-top: 48px;
}

.dialogue-item {
  margin-bottom: 20px;
  padding: 20px;
  background: #fafafa;
  border-radius: 12px;
  border: 1px solid #e8e8e8;
  transition: all 0.3s ease;
}

.dialogue-item:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.dialogue-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.dialogue-role-select {
  min-width: 140px;
}

.dialogue-role-select select {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid #e8e8e8;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.dialogue-role-select select:focus {
  outline: none;
  border-color: #409eff;
  box-shadow: 0 0 0 3px rgba(64, 158, 255, 0.1);
}

.dialogue-content-container {
  flex: 1;
}

.dialogue-content:focus {
  outline: none;
  border-color: #409eff;
  box-shadow: 0 0 0 3px rgba(64, 158, 255, 0.1);
}

/* 提问类型选择 */
.question-type-select {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.question-type-label {
  font-size: 14px;
  font-weight: 600;
  color: #666;
}

/* 单选题选项 */
.single-choice-options {
  margin-top: 16px;
  padding: 16px;
  background: #f8f9fa;
  border-radius: 8px;
  border: 1px solid #e8e8e8;
}

.options-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.options-label {
  font-size: 14px;
  font-weight: 600;
  color: #666;
}

.add-option-btn {
  padding: 6px 12px;
  background: #409eff;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.add-option-btn:hover {
  background: #66b1ff;
}

.option-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.option-item:last-child {
  margin-bottom: 0;
}

.option-label {
  font-weight: 600;
  color: #409eff;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.answer-radio-wrapper {
  width: 60px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 4px;
}

.remove-option-btn {
  flex-shrink: 0;
  background: #ff4d4f;
  border: none;
  color: white;
  font-size: 14px;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.remove-option-btn:hover {
  background: #ff7875;
}

/* 答案单选框包装器 */
.answer-radio-wrapper {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 正确答案标记 */
.correct-mark {
  color: #52c41a;
  font-size: 18px;
  font-weight: bold;
  animation: fadeIn 0.2s ease;
}

/* 调整单选框右外边距 */
:deep(.el-radio) {
  margin-right: 10px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.remove-btn {
  background: #ff4d4f;
  border: none;
  color: white;
  font-size: 16px;
  cursor: pointer;
  padding: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.remove-btn:hover {
  background: #ff7875;
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(255, 77, 79, 0.3);
}

.dialogue-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.dialogue-text {
  flex: 1;
  width: 100%;
  font-size: 16px;
  line-height: 1.6;
}

.generate-btn.small {
  padding: 8px;
  background: linear-gradient(135deg, #409eff, #1890ff);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  font-size: 14px;
}

.generate-btn.small:hover {
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(64, 158, 255, 0.3);
}

.play-btn {
  padding: 8px;
  background: #52c41a;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 14px;
}

.play-btn:hover {
  background: #73d13d;
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(82, 196, 26, 0.3);
}

.play-btn.small {
  padding: 8px;
  width: 28px;
  height: 28px;
  font-size: 14px;
}

.voice-icon {
  font-size: 14px;
  line-height: 1;
}

.play-icon {
  font-size: 14px;
  line-height: 1;
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-left: 8px;
}

.action-buttons-row {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
}

.add-dialogue-btn,
.add-section-btn {
  padding: 12px 24px;
  background: white;
  border: 2px dashed #d9d9d9;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  color: #666;
  margin-top: 16px;
  width: 100%;
  text-align: center;
}

.add-dialogue-btn:hover,
.add-section-btn:hover {
  border-color: #c18484;
  color: white;
  background: rgba(193, 132, 132, 0.6);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(64, 158, 255, 0.15);
}

/* 预览页面 */
.preview-container {
  width: 100%;
  height: 100%;
  background: white;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
}

.scrollable-content {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 20px;
  padding-right: 10px;
}

.scrollable-content::-webkit-scrollbar {
  width: 6px;
}

.scrollable-content::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}

.scrollable-content::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 3px;
}

.scrollable-content::-webkit-scrollbar-thumb:hover {
  background: #a1a1a1;
}

.preview-content {
  margin-top: 20px;
  margin-bottom: 30px;
}

.preview-actions {
  margin-top: auto;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.validation-result {
  padding: 16px 20px;
  border-radius: 10px;
  font-weight: 500;
  font-size: 14px;
}

.validation-result.valid {
  background: #f6ffed;
  border: 2px solid #b7eb8f;
  color: #52c41a;
  box-shadow: 0 2px 8px rgba(82, 196, 26, 0.1);
}

.validation-result.invalid {
  background: #fff2f0;
  border: 2px solid #ffccc7;
  color: #ff4d4f;
  box-shadow: 0 2px 8px rgba(255, 77, 79, 0.1);
}

.preview-section {
  margin-bottom: 40px;
  padding: 40px;
  border-radius: 12px;
  border: 1px solid #e8e8e8;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-section h4 {
  margin-top: 0;
  color: #333;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
}

.preview-section-content {
  background: rgba(255, 255, 255, 0.2);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(5px);
  width: 80%;
}

.preview-media {
  margin: 20px 0;
  padding: 16px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 10px;
  border: 1px solid #e8e8e8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.preview-media-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.preview-media-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.preview-image img {
  max-width: 250px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.preview-image img:hover {
  transform: scale(1.05);
}

.preview-audio {
  float: right;
  margin-right: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-dialogue {
  margin-bottom: 20px;
  padding: 16px;
  background: white;
  border-radius: 10px;
  border: 1px solid #e8e8e8;
  transition: all 0.3s ease;
}

.dialogue-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.preview-dialogue:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.dialogue-role {
  font-weight: 600;
  color: #409eff;
  font-size: 14px;
}

.dialogue-text {
  line-height: 1.6;
  font-size: 14px;
  color: #333;
}

/* Markdown 样式 */
.dialogue-text h1,
.dialogue-text h2,
.dialogue-text h3,
.dialogue-text h4,
.dialogue-text h5,
.dialogue-text h6 {
  margin: 16px 0 8px 0;
  font-weight: 600;
  line-height: 1.2;
}

.dialogue-text h1 {
  font-size: 24px;
}
.dialogue-text h2 {
  font-size: 20px;
}
.dialogue-text h3 {
  font-size: 18px;
}
.dialogue-text h4 {
  font-size: 16px;
}
.dialogue-text h5 {
  font-size: 14px;
}
.dialogue-text h6 {
  font-size: 12px;
}

.dialogue-text p {
  margin: 8px 0;
}

.dialogue-text ul,
.dialogue-text ol {
  margin: 8px 0;
  padding-left: 24px;
}

.dialogue-text li {
  margin: 4px 0;
}

.dialogue-text strong {
  font-weight: 600;
}

.dialogue-text em {
  font-style: italic;
}

.dialogue-text a {
  color: #409eff;
  text-decoration: none;
}

.dialogue-text a:hover {
  text-decoration: underline;
}

.dialogue-text code {
  background: #f5f5f5;
  padding: 2px 4px;
  border-radius: 4px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 14px;
}

.dialogue-text pre {
  background: #f5f5f5;
  padding: 12px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 12px 0;
}

.dialogue-text pre code {
  background: none;
  padding: 0;
}

.voiceover-preview {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #f0f0f0;
}

.preview-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid #e8e8e8;
}

.primary-btn,
.secondary-btn {
  padding: 14px 32px;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.primary-btn {
  background: linear-gradient(135deg, #409eff, #1890ff);
  color: white;
  box-shadow: 0 4px 12px rgba(64, 158, 255, 0.3);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(64, 158, 255, 0.4);
}

.primary-btn:disabled {
  background: #91c5f7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.secondary-btn {
  background: white;
  color: #333;
  border: 2px solid #e8e8e8;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.secondary-btn:hover {
  background: #fafafa;
  border-color: #409eff;
  color: #409eff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(64, 158, 255, 0.3);
}
</style>