pptList/src/config/aiCoursewareTemplates.ts

import type { AiCoursewareOutline } from "@/api/aiCourseware"

export type AiCoursewareTemplateId =
  | "fairytale-forest"
  | "warm-handdrawn"
  | "music-doodle"
  | "ink-wash"
  | "stage-documentary"
  | "modern-geometry"

export type AiCoursewareTemplatePageRole =
  | "cover"
  | "intro"
  | "goal"
  | "story"
  | "listen"
  | "knowledge"
  | "interaction"
  | "performance"
  | "practice"
  | "activity"
  | "summary"
  | "content"

export interface AiCoursewareThemePalette {
  primary: string
  secondary: string
  accent: string
  warm: string
  background: string
  surface: string
  soft: string
  text: string
  muted: string
  dark: string
}

export interface AiCoursewareTemplate {
  id: AiCoursewareTemplateId
  name: string
  sourceName: string
  scene: string
  description: string
  templateFile: string
  templateSlides: number
  baseStyle: "cartoon" | "clean"
  layoutFamily: "story" | "education" | "academic" | "culture" | "technology" | "activity"
  typography: string
  backgroundStyle: string
  illustrationStyle: string
  pageLayouts: Partial<Record<AiCoursewareTemplatePageRole, string>>
  visualPrompt: string
  palettes: [AiCoursewareThemePalette, AiCoursewareThemePalette, AiCoursewareThemePalette]
}

const playfulPalettes: AiCoursewareTemplate["palettes"] = [
  palette("#E64A78", "#168F86", "#F28C28", "#FFD66B", "#FFF9F5", "#EAF7F4", "#263238", "#6B7C8F", "#283B4A"),
  palette("#3478C8", "#32A07C", "#F08A3C", "#F7D66D", "#F7FBF8", "#E6F5EE", "#24333B", "#69808A", "#24495C"),
  palette("#7A5AC8", "#20A39E", "#EE6C78", "#FFD166", "#FBF8FF", "#F0EAFB", "#312D3D", "#756E84", "#3C3154")
]

const freshPalettes: AiCoursewareTemplate["palettes"] = [
  palette("#2878C8", "#23967F", "#F19A3E", "#F6D365", "#F5FAFC", "#E5F4F1", "#20313A", "#6B7E88", "#244B5A"),
  palette("#347D73", "#4B8BBE", "#E07A5F", "#F2CC8F", "#F7FBFA", "#E4F1EE", "#21343A", "#687C82", "#284C52"),
  palette("#526FA8", "#5C9EAD", "#E98B73", "#F3C677", "#F7F9FC", "#E8EEF7", "#243040", "#6E7887", "#2C405F")
]

const stagePalettes: AiCoursewareTemplate["palettes"] = [
  palette("#26344E", "#697C9B", "#C88B3D", "#E6C26D", "#F7F8FA", "#E9EDF3", "#172231", "#697586", "#1C2940"),
  palette("#4A3553", "#7E8EA8", "#C4725A", "#E2B567", "#FAF8FA", "#F0EBF1", "#2B2630", "#776F7A", "#392B40"),
  palette("#344B5C", "#4C7D7D", "#B96B49", "#DAB66F", "#F7FAFA", "#E7F0EF", "#1F3034", "#63777A", "#263F49")
]

const orientalPalettes: AiCoursewareTemplate["palettes"] = [
  palette("#9D2B22", "#36594B", "#C58A35", "#D9B66F", "#F7F1E7", "#EFE5D4", "#332A24", "#746A5F", "#4A2722"),
  palette("#7D3530", "#446052", "#B07942", "#D6BC7C", "#F5F0E8", "#E9E1D4", "#302C28", "#706A62", "#3E302B"),
  palette("#6E3F63", "#496554", "#B4864C", "#DCC68C", "#F8F3EA", "#EEE5D8", "#342D33", "#766D74", "#45333F")
]

const geometryPalettes: AiCoursewareTemplate["palettes"] = [
  palette("#287B72", "#4FAD93", "#E07A35", "#E9C66D", "#F8FBFA", "#E7F3EF", "#20342F", "#6B817A", "#1E5A52"),
  palette("#236D98", "#58A6A6", "#E08D50", "#EBCB7A", "#F7FAFC", "#E6F1F4", "#1D3038", "#678089", "#1E5967"),
  palette("#4B6E9B", "#76A48C", "#C87863", "#DCC280", "#FAFBF9", "#EDF2EA", "#273038", "#737E83", "#415B79")
]

const doodlePalettes: AiCoursewareTemplate["palettes"] = [
  palette("#F05A47", "#13A89E", "#6C63D9", "#F6C945", "#FFF8F2", "#FDEBDD", "#2D2B36", "#756F7C", "#3A3550"),
  palette("#EC4899", "#0EA5A4", "#F97316", "#FACC15", "#FFF7FB", "#FCE7F3", "#302937", "#7A6D7D", "#46354D"),
  palette("#7C5CE7", "#18A999", "#F06449", "#FFD166", "#FAF8FF", "#ECE8FB", "#302D3C", "#746E82", "#403755")
]

export const AI_COURSEWARE_TEMPLATES: AiCoursewareTemplate[] = [
  {
    id: "fairytale-forest",
    name: "童话森林",
    sourceName: "参考《动画音乐会》的童话场景语言",
    scene: "低年级歌曲与律动",
    description: "绘本场景、故事导入和童趣互动",
    templateFile: "/ai-courseware-templates/fairytale-forest.pptx",
    templateSlides: 4,
    baseStyle: "cartoon",
    layoutFamily: "story",
    typography: "圆润醒目的低龄课堂字体层级，标题短而大，正文不低于30px",
    backgroundStyle: "绘本式连续场景背景，保留大面积干净文字区",
    illustrationStyle: "统一儿童绘本插画，角色造型、服装和标志色跨页一致",
    pageLayouts: {
      cover: "cover_scene",
      intro: "story_stage",
      story: "story_stage",
      listen: "full_image_question",
      goal: "observe_question",
      interaction: "action_demo",
      activity: "action_demo",
      performance: "performance_stage",
      practice: "practice_check",
      summary: "visual_summary"
    },
    visualPrompt: "童话森林音乐课堂风格，画面亲切活泼，使用统一绘本场景、自然边框和明确文字区，避免商务卡片堆叠。",
    palettes: playfulPalettes
  },
  {
    id: "warm-handdrawn",
    name: "温暖手绘",
    sourceName: "参考《音乐小屋》的温暖手绘语言",
    scene: "小学音乐活动",
    description: "轻柔插画、情境聆听和课堂练习",
    templateFile: "/ai-courseware-templates/warm-handdrawn.pptx",
    templateSlides: 4,
    baseStyle: "clean",
    layoutFamily: "education",
    typography: "清晰现代的教学字体层级，标题明确，正文适合远距离投屏",
    backgroundStyle: "浅色教育场景与克制几何底纹",
    illustrationStyle: "简洁教育插画或真实课堂素材，主体明确",
    pageLayouts: {
      cover: "cover_scene",
      intro: "split_image",
      story: "split_image",
      listen: "listen_wave",
      goal: "goal_cards",
      knowledge: "knowledge_cards",
      interaction: "observe_question",
      activity: "activity_steps",
      practice: "practice_check",
      summary: "summary_checklist"
    },
    visualPrompt: "温暖手绘音乐课件风格，留白充足、结构清楚、色彩柔和，使用统一儿童手绘元素，兼顾教师讲解和学生远距离阅读。",
    palettes: freshPalettes
  },
  {
    id: "stage-documentary",
    name: "舞台纪实",
    sourceName: "参考《鼓乐》的写实音乐现场氛围",
    scene: "世界音乐与演出欣赏",
    description: "大图舞台、演出现场和音乐文化体验",
    templateFile: "/ai-courseware-templates/stage-documentary.pptx",
    templateSlides: 4,
    baseStyle: "clean",
    layoutFamily: "academic",
    typography: "具有演出节目单感的标题、正文和注释三级层级",
    backgroundStyle: "深浅对比的舞台画面与克制文字承载区",
    illustrationStyle: "写实演出、乐器和地域音乐素材优先",
    pageLayouts: {
      cover: "cover_scene",
      intro: "full_image_question",
      story: "split_image",
      listen: "compare_listen",
      goal: "goal_cards",
      knowledge: "knowledge_cards",
      interaction: "listen_compare_visual",
      practice: "practice_check",
      summary: "summary_checklist"
    },
    visualPrompt: "舞台纪实音乐课堂风格，以高质量演出或音乐文化大图建立氛围，文字置于清晰承载区，标题有节目单感，减少无关装饰。",
    palettes: stagePalettes
  },
  {
    id: "ink-wash",
    name: "水墨国风",
    sourceName: "参考《姑苏行》《十面埋伏》的东方意境",
    scene: "传统文化主题",
    description: "民歌、戏曲、民族音乐和传统节日",
    templateFile: "/ai-courseware-templates/ink-wash.pptx",
    templateSlides: 4,
    baseStyle: "clean",
    layoutFamily: "culture",
    typography: "现代中文标题与舒展正文层级",
    backgroundStyle: "米白纸感与克制东方纹样",
    illustrationStyle: "统一现代东方插画，避免素材拼贴",
    pageLayouts: {
      cover: "cover_scene",
      intro: "story_stage",
      story: "story_stage",
      listen: "full_image_question",
      goal: "observe_question",
      knowledge: "knowledge_cards",
      interaction: "action_demo",
      practice: "practice_check",
      summary: "visual_summary"
    },
    visualPrompt: "水墨国风音乐课堂风格，使用米白、黛色和朱砂色，借景留白、装饰克制，突出传统器乐意境与课堂可读性。",
    palettes: orientalPalettes
  },
  {
    id: "modern-geometry",
    name: "现代几何",
    sourceName: "参考《探索旋律结构的规律》的现代几何版式",
    scene: "项目学习与乐理分析",
    description: "结构讲解、旋律分析和知识项目展示",
    templateFile: "/ai-courseware-templates/modern-geometry.pptx",
    templateSlides: 4,
    baseStyle: "clean",
    layoutFamily: "technology",
    typography: "高对比现代标题与简洁正文层级",
    backgroundStyle: "浅色几何分区、轻量网格和清晰信息层级",
    illustrationStyle: "统一等距几何和音乐结构图形，避免无关赛博装饰",
    pageLayouts: {
      cover: "cover_scene",
      intro: "full_image_question",
      story: "full_image_question",
      listen: "sound_timeline",
      goal: "observe_question",
      knowledge: "knowledge_cards",
      interaction: "listen_compare_visual",
      practice: "practice_check",
      summary: "visual_summary"
    },
    visualPrompt: "现代几何音乐课堂风格，使用浅色几何分区、等距图形和绿色蓝色点缀，突出旋律结构、项目步骤和知识关系。",
    palettes: geometryPalettes
  },
  {
    id: "music-doodle",
    name: "音符涂鸦",
    sourceName: "参考《溜冰圆舞曲》的音符涂鸦语言",
    scene: "乐理、节奏与欣赏",
    description: "音符插画、节奏任务和轻松知识讲解",
    templateFile: "/ai-courseware-templates/music-doodle.pptx",
    templateSlides: 4,
    baseStyle: "cartoon",
    layoutFamily: "activity",
    typography: "大字号动作指令与清晰编号层级",
    backgroundStyle: "明快舞台或课堂活动场景",
    illustrationStyle: "统一动作示范插画，人物姿态清楚",
    pageLayouts: {
      cover: "cover_scene",
      intro: "full_image_question",
      story: "story_stage",
      listen: "listen_compare_visual",
      goal: "action_demo",
      interaction: "action_demo",
      activity: "group_mission",
      performance: "performance_stage",
      practice: "practice_check",
      summary: "visual_summary"
    },
    visualPrompt: "音符涂鸦音乐课堂风格，使用深蓝手绘音符、轻量星点和清晰任务编号，轻松但不幼稚，避免信息拥挤。",
    palettes: doodlePalettes
  }
]

export function getAiCoursewareTemplate(id?: string) {
  return AI_COURSEWARE_TEMPLATES.find(template => template.id === id) || AI_COURSEWARE_TEMPLATES[1]
}

export function getAiCoursewarePalette(id: string | undefined, variant = 0) {
  const template = getAiCoursewareTemplate(id)
  return template.palettes[Math.abs(variant) % template.palettes.length]
}

export function recommendAiCoursewareTemplate(outline: AiCoursewareOutline): { id: AiCoursewareTemplateId; reason: string } {
  const text = [
    outline.title,
    outline.gradeName,
    outline.unitName,
    outline.chapterName,
    outline.courseType,
    ...(outline.pages || []).flatMap(page => [page.title, page.teachingStage, page.teachingPurpose])
  ]
    .filter(Boolean)
    .join(" ")

  if (/民歌|民族|戏曲|京剧|昆曲|古琴|国乐|传统|节日|非遗|中国风|民乐|古筝|二胡|琵琶/.test(text)) {
    return { id: "ink-wash", reason: "课程包含传统文化、民乐或民族音乐内容" }
  }
  if (/旋律结构|曲式|乐理|和声|分析|项目|探究|规律|结构/.test(text)) {
    return { id: "modern-geometry", reason: "课程以结构分析、项目探究或乐理讲解为主" }
  }
  if (/分组|小组|节奏游戏|律动|表演|展示|闯关|任务|活动|节拍|节奏/.test(text)) {
    return { id: "music-doodle", reason: "课程以节奏任务、互动练习或学生参与为主" }
  }
  if (/世界音乐|打击乐|鼓乐|管弦乐|交响乐|音乐会|舞台|演出|爵士|摇滚|非洲|拉丁/.test(text)) {
    return { id: "stage-documentary", reason: "课程适合以音乐现场或文化影像建立氛围" }
  }
  if (/[初高]中|七年级|八年级|九年级/.test(text)) {
    return { id: "stage-documentary", reason: "课程面向中学阶段，适合更成熟的演出与音乐文化视觉" }
  }
  if (/一年级|二年级|低年级|故事|童话|动物|情境|儿歌/.test(text)) {
    return { id: "fairytale-forest", reason: "课程面向低龄学生或采用故事化导入" }
  }
  return { id: "warm-handdrawn", reason: "适合常规小学音乐课的聆听、演唱与练习结构" }
}

function palette(
  primary: string,
  secondary: string,
  accent: string,
  warm: string,
  background: string,
  soft: string,
  text: string,
  muted: string,
  dark: string,
  surface = "#FFFFFF"
): AiCoursewareThemePalette {
  return { primary, secondary, accent, warm, background, surface, soft, text, muted, dark }
}