const { createTcmAssetPageData } = require('../../../../utils/static-ux/tcm')
const { resolveKind } = require('../../../../utils/static-ux/shared')
const { ROUTES, openStaticRoute } = require('../../../../utils/static-ux/route-map')

const ASSET_KIND_LABELS = Object.freeze({
  notes: '笔记',
  bookshelf: '书架',
  favorites: '收藏',
  history: '历史'
})

const ASSET_ITEMS = Object.freeze({
  notes: [
    {
      key: 'note-1',
      title: '阴阳学习摘记',
      subtitle: '来自《黄帝内经素问》静态演示卡片',
      description: '把阴阳作为纲领来理解脏腑、经络与病机的对应关系。',
      route: `${ROUTES.tcm.bookDetail}?scene=classic-a`
    },
    {
      key: 'note-2',
      title: '脾虚湿困辨证提要',
      subtitle: '辨证分析里的高频主题',
      description: '先看脾运失健，再看湿困中焦的症状组合。',
      route: `${ROUTES.tcm.bianzheng}?scene=result`
    }
  ],
  bookshelf: [
    {
      key: 'book-1',
      title: '黄帝内经素问',
      subtitle: '已加入静态书架',
      description: '继续阅读：上古天真论',
      route: `${ROUTES.tcm.bookDetail}?scene=classic-a`
    },
    {
      key: 'book-2',
      title: '伤寒论',
      subtitle: '已加入静态书架',
      description: '继续阅读：太阳病篇',
      route: `${ROUTES.tcm.bookDetail}?scene=classic-b`
    }
  ],
  favorites: [
    {
      key: 'favorite-1',
      title: '经络总览卡片',
      subtitle: '已收藏条目',
      description: '保留为静态收藏示例，后续再接新的收藏体系。',
      route: `${ROUTES.tcm.placeholder}?kind=about`
    },
    {
      key: 'favorite-2',
      title: '命理解读入口',
      subtitle: '跨域收藏示例',
      description: '当前用于展示从中医域跳到命理域的 UI 连接。',
      route: ROUTES.mingli.interpret
    }
  ],
  history: [
    {
      key: 'history-1',
      title: 'AI答疑: 什么是气虚？',
      subtitle: '最近浏览',
      description: '返回 AI 页查看静态问答入口。',
      route: ROUTES.tabs.ai
    },
    {
      key: 'history-2',
      title: '典籍阅读: 上古天真论',
      subtitle: '最近阅读',
      description: '回到典籍阅读页继续浏览。',
      route: `${ROUTES.tcm.section}?scene=reader-a`
    }
  ]
})

const ASSET_EMPTY_COPY = Object.freeze({
  notes: {
    title: '还没有学习笔记',
    description: '后续接入新后端后，这里会汇总你的静态摘录与标注。'
  },
  bookshelf: {
    title: '书架还是空的',
    description: '可以先从典籍页进入静态详情，再决定如何组织新的书架逻辑。'
  },
  favorites: {
    title: '还没有收藏内容',
    description: '本轮只保留收藏区块的 UI 结构，不迁移旧收藏模型。'
  },
  history: {
    title: '还没有浏览记录',
    description: '继续浏览典籍、AI 或易学页后，后续可在这里接入新的记录源。'
  }
})

function cloneItems(items) {
  return items.map(item => ({ ...item }))
}

function createFilterItems(kinds) {
  return kinds.map(kind => ({
    key: kind,
    label: ASSET_KIND_LABELS[kind],
    route: `${ROUTES.tcm.assets}?kind=${kind}`
  }))
}

function createTcmAssetsPageData(rawKind) {
  const baseData = createTcmAssetPageData(rawKind)
  const items = cloneItems(ASSET_ITEMS[baseData.activeKind] || [])
  const emptyCopy = ASSET_EMPTY_COPY[baseData.activeKind]

  return {
    title: baseData.title,
    activeKind: baseData.activeKind,
    filterItems: createFilterItems(baseData.kinds),
    items,
    emptyTitle: emptyCopy.title,
    emptyDescription: emptyCopy.description
  }
}

function showNavigate(route) {
  openStaticRoute(route, wx)
}

Page({
  data: createTcmAssetsPageData('notes'),

  onLoad(options) {
    this.setData(
      createTcmAssetsPageData(
        resolveKind(options.kind, ['notes', 'bookshelf', 'favorites', 'history'], 'notes')
      )
    )
  },

  handleFilterTap(event) {
    const { kind } = event.currentTarget.dataset

    this.setData(createTcmAssetsPageData(kind))
  },

  handleEntryTap(event) {
    showNavigate(event.currentTarget.dataset.route)
  }
})

module.exports = {
  createTcmAssetsPageData
}