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

const LIBRARY_CATEGORIES = Object.freeze([
  { id: 'featured', name: '精选' },
  { id: 'annotation', name: '注解' },
  { id: 'classic-theory', name: '经论' },
  { id: 'cold-damage', name: '伤寒金匮' },
  { id: 'formula', name: '医方' },
  { id: 'materia-medica', name: '本草' },
  { id: 'acupuncture', name: '针灸' },
  { id: 'medical-record', name: '医案' },
  { id: 'comprehensive', name: '综合' }
])

const LIBRARY_BOOKS = Object.freeze({
  featured: [
    {
      id: 'huangdi-neijing-suwen',
      coverText: '典',
      title: '黄帝内经素问',
      author: '王冰次',
      dynasty: '唐',
      period: '公元762年'
    },
    {
      id: 'shang-han-lun',
      coverText: '典',
      title: '伤寒论',
      author: '张仲景',
      dynasty: '东汉',
      period: '公元25-220年'
    },
    {
      id: 'wen-bing-tiao-bian',
      coverText: '典',
      title: '温病条辨',
      author: '吴鞠通',
      dynasty: '清',
      period: '公元1644-1911年'
    },
    {
      id: 'bencao-gangmu-bieming-lu',
      coverText: '典',
      title: '本草纲目别名录',
      author: '李时珍',
      dynasty: '明',
      period: '公元1368-1644年'
    },
    {
      id: 'huangdi-neijing-jizhu',
      coverText: '典',
      title: '黄帝内经灵枢集注',
      author: '张志聪',
      dynasty: '清',
      period: '公元1672年'
    },
    {
      id: 'jingui-yaolue-fanglun',
      coverText: '典',
      title: '金匮要略方论',
      author: '张仲景',
      dynasty: '汉',
      period: '公元219年'
    }
  ],
  annotation: [
    {
      id: 'huangdi-neijing-suwen-jizhu',
      coverText: '典',
      title: '黄帝内经素问集注',
      author: '张志聪',
      dynasty: '清',
      period: '公元1672年'
    },
    {
      id: 'shennong-bencao-jizhu',
      coverText: '典',
      title: '神农本草经辑注',
      author: '孙星衍',
      dynasty: '清',
      period: '公元1796年'
    },
    {
      id: 'nanjing-jizhu',
      coverText: '典',
      title: '难经集注',
      author: '王九思',
      dynasty: '明',
      period: '公元1506年'
    }
  ],
  'classic-theory': [
    {
      id: 'nan-jing',
      coverText: '典',
      title: '难经',
      author: '扁鹊',
      dynasty: '战国',
      period: '约公元前475-221年'
    },
    {
      id: 'lei-jing',
      coverText: '典',
      title: '类经',
      author: '张介宾',
      dynasty: '明',
      period: '公元1624年'
    },
    {
      id: 'yi-zong-bi-du',
      coverText: '典',
      title: '医宗必读',
      author: '李中梓',
      dynasty: '明',
      period: '公元1637年'
    }
  ],
  'cold-damage': [
    {
      id: 'jin-kui-yao-lve',
      coverText: '典',
      title: '金匮要略',
      author: '张仲景',
      dynasty: '东汉',
      period: '公元219年'
    },
    {
      id: 'zhu-jie-shang-han-lun',
      coverText: '典',
      title: '注解伤寒论',
      author: '成无己',
      dynasty: '金',
      period: '公元1144年'
    },
    {
      id: 'shang-han-ming-li-lun',
      coverText: '典',
      title: '伤寒明理论',
      author: '成无己',
      dynasty: '金',
      period: '公元1156年'
    }
  ],
  formula: [
    {
      id: 'tai-ping-hui-min-he-ji-ju-fang',
      coverText: '典',
      title: '太平惠民和剂局方',
      author: '陈师文',
      dynasty: '宋',
      period: '公元1107年'
    },
    {
      id: 'pu-ji-fang',
      coverText: '典',
      title: '普济方',
      author: '朱橚',
      dynasty: '明',
      period: '公元1406年'
    },
    {
      id: 'yi-fang-kao',
      coverText: '典',
      title: '医方考',
      author: '吴昆',
      dynasty: '明',
      period: '公元1584年'
    }
  ],
  'materia-medica': [
    {
      id: 'shennong-bencao-jing',
      coverText: '典',
      title: '神农本草经',
      author: '佚名',
      dynasty: '汉',
      period: '约公元1-2世纪'
    },
    {
      id: 'bencao-gangmu',
      coverText: '典',
      title: '本草纲目',
      author: '李时珍',
      dynasty: '明',
      period: '公元1578年'
    },
    {
      id: 'bencao-cong-xin',
      coverText: '典',
      title: '本草从新',
      author: '吴仪洛',
      dynasty: '清',
      period: '公元1757年'
    }
  ],
  acupuncture: [
    {
      id: 'zhen-jiu-jia-yi-jing',
      coverText: '典',
      title: '针灸甲乙经',
      author: '皇甫谧',
      dynasty: '西晋',
      period: '公元282年'
    },
    {
      id: 'zhen-jiu-da-cheng',
      coverText: '典',
      title: '针灸大成',
      author: '杨继洲',
      dynasty: '明',
      period: '公元1601年'
    },
    {
      id: 'tong-ren-shu-xue-zhen-jiu-tu-jing',
      coverText: '典',
      title: '铜人腧穴针灸图经',
      author: '王惟一',
      dynasty: '宋',
      period: '公元1026年'
    }
  ],
  'medical-record': [
    {
      id: 'lin-zheng-zhi-nan-yi-an',
      coverText: '典',
      title: '临证指南医案',
      author: '叶天士',
      dynasty: '清',
      period: '公元1746年'
    },
    {
      id: 'shi-an-de-xiao-fang',
      coverText: '典',
      title: '石案得效方',
      author: '危亦林',
      dynasty: '元',
      period: '公元1337年'
    },
    {
      id: 'wang-meng-ying-yi-an',
      coverText: '典',
      title: '王孟英医案',
      author: '王孟英',
      dynasty: '清',
      period: '公元1862年'
    }
  ],
  comprehensive: [
    {
      id: 'yi-xue-ru-men',
      coverText: '典',
      title: '医学入门',
      author: '李梴',
      dynasty: '明',
      period: '公元1575年'
    },
    {
      id: 'jing-yue-quan-shu',
      coverText: '典',
      title: '景岳全书',
      author: '张介宾',
      dynasty: '明',
      period: '公元1624年'
    },
    {
      id: 'yi-zong-jin-jian',
      coverText: '典',
      title: '医宗金鉴',
      author: '吴谦',
      dynasty: '清',
      period: '公元1742年'
    }
  ]
})

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

function getCategoryById(categoryId) {
  return LIBRARY_CATEGORIES.find(item => item.id === categoryId) || LIBRARY_CATEGORIES[0]
}

function getBooksByCategory(categoryId) {
  const activeCategory = getCategoryById(categoryId)
  return cloneItems(LIBRARY_BOOKS[activeCategory.id] || [])
}

function createLibraryPageData(categoryId) {
  const activeCategory = getCategoryById(categoryId)

  return {
    title: '典籍',
    searchButtonText: '搜索',
    domainBridge: {
      title: '进入易学阁',
      subtitle: '切换到命理与经典的静态学习入口',
      route: ROUTES.mingli.hall
    },
    categories: cloneItems(LIBRARY_CATEGORIES),
    activeCategoryId: activeCategory.id,
    currentCategoryName: activeCategory.name,
    visibleBooks: getBooksByCategory(activeCategory.id)
  }
}

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

  if (typeof wx?.showToast === 'function') {
    wx.showToast({
      title: '页面暂不可达',
      icon: 'none'
    })
  }
}

Page({
  data: createLibraryPageData(),

  handleCategoryTap(event) {
    const categoryId = event.currentTarget.dataset.categoryId

    this.setData(createLibraryPageData(categoryId))
  },

  handleSearchTap() {
    if (!wx || typeof wx.showToast !== 'function') {
      return
    }

    wx.showToast({
      title: '搜索功能暂未开放',
      icon: 'none'
    })
  },

  handleDomainBridgeTap() {
    showNavigate(ROUTES.mingli.hall)
  }
})

module.exports = {
  LIBRARY_CATEGORIES,
  LIBRARY_BOOKS,
  createLibraryPageData,
  getBooksByCategory
}