pptList/scripts/fixtures/aiPptSemanticDesign.mjs

import { modelDesignFixture } from './aiPptModelDesign.mjs'

// 复现测试环境暴露的内容组织问题，图片仅为本地渲染测试资源。
export function semanticDesignFixture(imageUrl) {
  const outline = modelDesignFixture(imageUrl)
  const set = (i, title, headline, points, composition, mode = 'text_only', presentation = 'plain') => {
    const page = outline.pages[i]
    Object.assign(page, { title, subtitle: '', bullets: points, studentContent: { headline, points }, classroomAction: {}, interaction: null,
      image: mode === 'generated_image' ? { url: imageUrl, width: 960, height: 720 } : undefined, requiredVisual: false, resourceBindings: [],
      visualPlan: { composition, visualMode: mode, textPresentation: presentation, visualShare: .55, imageNecessity: mode === 'generated_image' ? 'supporting' : 'none', imagePurpose: mode === 'generated_image' ? 'scene' : 'none' } })
    return page
  }
  set(0, '凤鸣山谷的故事', '听听山谷里的声音', [], 'full_scene')
  set(3, '风与虎（对比听）', '听听风和虎', ['风的声音：有时强，有时弱', '老虎的声音：又长又沉'], 'comparison', 'generated_image', 'cards')
  const structured = set(4, '比较两种声音', '哪种声音更长？', ['说说你的发现'], 'comparison')
  structured.studentContent.comparisonGroups = [{ label: '风', points: ['声音有时强，有时弱'] }, { label: '老虎', points: ['声音又长又沉'] }]
  structured.classroomAction.studentTask = '用手势表现声音'
  set(5, '模仿小演员', '学学它们的声音', ['学小鸟叫', '学蜜蜂嗡嗡', '学风吹树叶', '学老虎吼叫'], 'steps', 'native_diagram', 'steps')
  set(6, '动物节奏队', '给动物配节奏', ['老虎：X - | X -', '蜜蜂：XX XX | XX XX'], 'concept_grid', 'native_diagram', 'grid')
  const steps = set(7, '合作小乐队', '和伙伴一起试试', [], 'steps', 'native_diagram', 'steps')
  steps.studentContent.steps = ['两人轮流拍一拍', '一起完成节奏']
  steps.classroomAction.studentTask = '听到提示后一起开始'
  steps.bullets = ['旧正文不应再次混入步骤']
  return outline
}

// 测试环境退化用例：大图下四条正文、仅 steps 有内容的排练页。
export function densityRegressionFixture(imageUrl) {
  const outline = semanticDesignFixture(imageUrl)
  outline.textbookName = '人教版（2024版）一年级上册（新）'
  Object.assign(outline.pages[4], {
    title: '学一学：模仿动物叫', type: 'performance_activity', bullets: [],
    studentContent: { headline: '一起学动物叫', points: ['蛐蛐：细细的，yi-yi-yi', '蝈蝈：咯-咯-咯', '蜜蜂：嗡嗡嗡', '老虎：嗷~'] },
    classroomAction: { studentTask: '一起学动物叫' },
    image: { url: imageUrl, width: 1584, height: 560 }, resourceBindings: [],
    visualPlan: { composition: 'image_top', visualMode: 'generated_image', textPresentation: 'cards', visualShare: .65 }
  })
  Object.assign(outline.pages[8], {
    title: '分组排练：山谷音乐会', type: 'performance_activity', bullets: [], image: undefined, resourceBindings: [], requiredVisual: false,
    studentContent: { headline: '排练开始', points: [], steps: ['分好角色', '轮流练习', '一起合奏'] },
    classroomAction: { studentTask: '听老师指令，和组员一起练习' },
    visualPlan: { composition: 'steps', visualMode: 'native_diagram', textPresentation: 'steps', imagePurpose: 'none' }
  })
  return outline
}

// 最新线上主图过小：三条短提示被纵排，挤压横向场景图。
export function heroImageRegressionFixture(imageUrl) {
  const outline = semanticDesignFixture(imageUrl)
  outline.textbookName = '人教版（2024版）一年级上册（新）'
  const scenes = [
    [0, 'cover', '凤鸣山谷的故事', '观看图片，记住角色名字。', ['凤凰小九', '伶伦', '麒麟麒麒']],
    [1, 'scene_intro', '走进凤鸣山谷', '仔细观察画面，说出看到的事物和想到的声音。', ['你看到了什么？', '听到了什么？', '谁住在山谷里？']],
    [11, 'summary', '回忆山谷之旅', '回忆并分享自己的收获。', ['今天我们学会了什么？', '声音有强、弱、长、短、高、低', '音乐是沟通的语言']]
  ]
  for (const [index, type, title, headline, points] of scenes) Object.assign(outline.pages[index], {
    type, title, bullets: points, subtitle: '', studentContent: { headline, points }, classroomAction: {}, interaction: null,
    image: { url: imageUrl, width: 1584, height: 560 }, resourceBindings: [], requiredVisual: true,
    visualPlan: { composition: index === 0 ? 'full_scene' : 'image_top', visualMode: 'generated_image', textPresentation: 'plain',
      visualShare: .55, imageNecessity: 'essential', imagePurpose: 'scene' }
  })
  return outline
}