// packageBookService/pages/bookServices/detail/buyResource/index.js
const app = getApp()
Page({

  /**
   * 页面的初始数据
   */
  data: {
    barHeight: '',
    navBarHeight: '',
    learn: [],
    openLearnids: [],
    bookId: '',
    loading: false,
    shoppingList: [],
    shoppingCartGetId: [],
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    const systInfo = wx.getSystemInfoSync();
    const menu = wx.getMenuButtonBoundingClientRect(); // 胶囊信息
    const navBarHeight = (menu.top - systInfo.statusBarHeight) * 2 + menu.height; // 导航栏高度
    this.setData({
      barHeight: systInfo.statusBarHeight,
      navBarHeight: navBarHeight,
      bookId: options.bookId
    });
    this.getResourceClass()
    console.log(options);
    this.getResourceData({ productLinkPath: options.productLinkPath, refCode: options.refCode })
    this.getShoppingCartProductGet()
    this.getBookInfo(options.bookId)
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady() {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow() {

  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide() {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload() {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh() {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom() {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage() {

  },
  goBack() {
    wx.navigateBack()
  },
  //  获取教学资源  云学习  云测试
  getResourceData(type) {
    this.setData({
      loading: true,
      noResources: false
    })
    let query = {
      path: '*',
      queryType: '*',
      productId: this.data.bookId,
      cmsPath: type.productLinkPath,
      itemFields: {
        SysType: 'CmsFolder',
        // 资源类型，试读文件，是否允许下载等参数
        selectType: [],
        freeFile: [],
        file: [],
        resourcesClassification: [],
        isDownload: [],
        jsek_resourceBrief: [],
        jsek_link: [],
        jsek_questionBank: []
      },
      pading: {
        start: 0,
        size: 999
      },
    }
    app.MG.store
      .getProductDetail(query)
      .then(async (res) => {
        if (!res.datas.cmsDatas[0].datas.length) {
          return this.setData({
            noResources: true,
            loading: false
          })
        }
        //教学资源 云学习
        if (type.refCode == 'jsek_teachingResources' || type.refCode == 'jsek_cloudLearning') {
          if (res.datas.cmsDatas[0].datas.length > 0) {
            res.datas.cmsDatas[0].datas.forEach(item => {
              item.checked = false,
                item.checkAll = true
            })
            const list = await this.getAllResource(res.datas.cmsDatas[0].datas)
            if (type.refCode == 'jsek_teachingResources') {
              this.setData({
                teach: list,
                loading: false
              })
              this.findChildIds(this.data.teach, this.data.openTeachids = [])
            } else if (type.refCode == 'jsek_cloudLearning') {
              const result = []
              res.datas.cmsDatas[0].datas.forEach(item => {
                item.checked = false
              })
              this.findChildIds(list, result)
              this.setData({
                learn: list,
                loading: false,
                openLearnids: result
              })
            }
          } else {
            // 无数据
          }
        } else if (type.refCode == 'jsek_questionBank') {
          // const list = await this.getAllResource(res.datas.cmsDatas[0].datas)
          this.setData({
            test: res.datas.cmsDatas[0].datas,
            loading: false
          })
        } else {
          console.log('其他');
        }
      })
      .catch((e) => {
        console.log(e)
      })
  },
  // 获取tag下所有资源
  async getAllResource(data) {
    if (!data.length) return false
    for (let i = 0; i < data.length; i++) {
      let item = data[i]
      if (item.sysType == 'CmsFolder' && item.childrenCount > 0) {
        item.children = []
        item.children = await this.getFolderItem(item.productLinkPath)
        await this.getAllResource(item.children)
      }
    }
    return data
  },
  // 获取资源接口
  async getFolderItem(path) {
    let query = {
      path: '*',
      queryType: '*',
      productId: this.data.bookId,
      cmsPath: path,
      itemFields: {
        SysType: 'CmsFolder',
        // 资源类型，试读文件，是否允许下载等参数
        selectType: [],
        freeFile: [],
        file: [],
        protectedFile: [],
        resourcesClassification: [],
        isDownload: [],
        jsek_resourceBrief: [],
        jsek_link: [],
        accessType: []
      },
      pading: {
        start: 0,
        size: 999
      },
    }
    const data = await app.MG.store.getProductDetail(query)
    data.datas.cmsDatas[0].datas.forEach((item) => {
      this.data.resourceClassList.forEach((type) => {
        if (type.value == item.resourcesClassification) item.resourceClass = type.name
      })
      // 网页 不能下载 私有文件
      if (item.sysType == 'CmsItem') {
        if (item.selectType == 'webpage') {
          item.disabled = true
        } else {
          if (item.isDownload != 1) {
            item.disabled = true
          }
        }
        if (item.file) {
          if (item.fileMap[item.file].protectType == 'Private') item.disabled = true
        }
      }
    })
    data.datas.cmsDatas[0].datas.forEach(item => {
      item.checked = false
      item.isbuy = this.resourceIsBuy(item)
      item.isShopCar = this.isShoppingCart(item)
    })
    return data.datas.cmsDatas[0].datas
  },
  getBookInfo(id) {
    this.setData({
      "mockData'.id": 0,
      "mockData.price": 0,
      "mockData.count": 0
    })
    const query = {
      path: '*',
      queryType: '*',
      productId: id,
      favoriteTypes: 'FavoriteBookCity',
      itemFields: {
        'SysType=': 'CmsFolder',
      },
      coverSize: {
        height: 300,
      },
      fields: {
        seriesName: [],
        author: [],
        isbn: [],
        publicationDate: [],
        bookClassification: [],
        paperPrice: [],
        JDLink: [],
        tmallLink: [],
        dangdangLink: [],
        weidianLink: [],
        content: [],
        authorIntroduction: [],
        isApplyBook: [],
        isSell: [],
        pdf: [],
        protectedEpub: [],
        probationPage: [], //pdf试读页数
        freeEpubPage: [], //epub试读百分比
      },
    };
    app.MG.store.getProductDetail(query).then(async (res) => {
      this.setData({
        bookDetail: res.datas,
        buyIdList: res.datas.purchasedSaleMethodIdList
      });
    });

  },
  // 获取已购买商品
  getShoppingCartProductGet() {
    let query = {
      start: 0,
      size: 999,
      filterList: [],
      searchList: []
    }
    app.MG.store.getShoppingCartProductList(query).then((res) => {
      const list = []
      res.datas.forEach((item) => {
        list.push(item.saleMethod.id)
      })
      this.setData({
        shoppingList: res.datas,
        shoppingCartGetId: list
      })
    })
  },
  // 判断资源是否购买
  resourceIsBuy(data) {
    if (data.saleMethod && data.saleMethod.length) {
      const isSHow = this.data.buyIdList.some((item) => item == data.saleMethod[0].Id)
      return !isSHow
    } else {
      return false
    }
  },
  // 判断资源加入购物车按钮是否显示
  isShoppingCart(data) {
    if (data.saleMethod && data.saleMethod.length) {
      if (data.saleMethod[0].Price <= 0) return false
      // 再判断是否购买
      const isBuy = this.data.buyIdList.some((item) => item == data.saleMethod[0].Id)
      if (isBuy) {
        // 购买了
        return false
      } else {
        // 判断是否加入购物车
        const isSHow = this.data.shoppingCartGetId.some((item) => item == data.saleMethod[0].Id)
        return !isSHow
      }
    } else {
      return false
    }
  },
  // 获取展开项
  findChildIds(data, result) {
    let index = 0
    for (let i = 0; i < data.length; i++) {
      if (index < 3) {
        const item = data[i]
        if (item.childrenFolderCount > 0) {
          result.push(item.id)
          for (let j = 0; j < item.children.length; j++) {
            if (index < 3) {
              const childrenItme = item.children[j]
              if (item.childrenCount > 0) {
                result.push(childrenItme.id)
                index += 1
              }
            } else {
              break
            }
          }
        } else if (item.childrenCount > 0) {
          result.push(item.id)
          index += 1
        }
      } else {
        break
      }
    }
  },
  // 获取资源所属分类
  getResourceClass() {
    let query = {
      refCodes: ['resourcesClassification']
    }
    app.MG.store.getProductTypeField(query).then((res) => {
      this.setData({
        resourceClassList: JSON.parse(res[0].config).option
      })
    })
  },
  checkAll() {
    const child = this.selectComponent('#tree')
    child.checkAll()
  }
})