const app = getApp();
import { getPublicImage } from "../../assets/js/middleGround/tool.js";
Page({

  /**
   * 页面的初始数据
   */
  data: {
    learningDuration: 0,
    lastLoginTime: '2024-03-25 20:00:09',
    active: 0,
    titleBook: "图书（0本）",
    titleCourse: "课程（0门）",
    titleTextBook: "数字教材（0本）",
    list: [],
    //分页
    page: 1,
    limit: 18,
    pageTotalCount: 0,
    bottomLoading: false,
    isMoreData: false,
    // 返回顶部 
    isBackTop: false,
    setScrollValue: 0,
    skeletonLoding: true,

  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad() {
    this.getDataList(false);
  },

  /**
   * 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() {
    if (typeof this.getTabBar === 'function' && this.getTabBar()) {
      this.getTabBar().setData({
        active: 2
      })
    }
  },

  tabClick(item) {
    let that = this;
    that.setData({
      active: item.detail.value,
    })
    that.setData({
      skeletonLoding: true,
      list: [],
      page: 1,
      bottomLoading: false,
      isMoreData: false,
    })
    that.getDataList(false);
  },
  getDataList(isReachBottom) {
    let keywords = "jsek_mediaBook";
    if (this.data.active == '0') {
      keywords = "jsek_mediaBook";
    } else if (this.data.active == '1') {
      keywords = "jsek_digitalCourses";
    } else if (this.data.active == '2') {
      keywords = "jsek_digitalTextbooks";
    }
    let searchData = [
      {
        keywords: keywords,
        field: "ProductType",
      },
    ];
    let data = {
      Size: this.data.limit,
      Start: this.data.page * this.data.limit - this.data.limit,
      sort: {
        type: "Desc",
        field: "CreateDate",
      },
      searchList: searchData,
    }
    app.MG.store.getPurchasedProductList(data).then((res) => {
      try {
        if (res.datas.length > 0) {
          res.datas.forEach((item, index) => {
            item.product.icon = getPublicImage(item.product.icon, "", 200)
          })
          let dataList = res.datas;
          //触底加载新数据并保留老数据
          if (isReachBottom) {
            dataList = [...this.data.list, ...dataList] //将新数据加入老数据中
          }
          this.setData({
            list: dataList,
            pageTotalCount: res.totalSize,
            titleBook: "图书（" + res.totalSize + "本）",
            bottomLoading: false,
            isMoreData: dataList.length > 0 ? false : true,
            skeletonLoding: false,
            loading: false
          })
        } else {
          this.setData({
            skeletonLoding: false,
            loading: false
          })
        }
      } catch (error) {
        console.log(error)
      }
    })
  },
  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh() {
    if (this._freshing) return
    this.setData({
      // list: [],
      page: 1,
      limit: 18,
      pageTotalCount: 0,
      bottomLoading: false,
      isMoreData: false
    })
    this._freshing = true;
    this.setData({
      triggered: false,
    })
    this.getDataList(false);
    this._freshing = false
  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom() {
    this.setData({
      bottomLoading: true,
      isMoreData: false
    })
    let bool = false;
    if (this.data.pageTotalCount > this.data.list.length) {
      bool = true;
      this.setData({
        page: this.data.page + 1,
      })
    } else {
      setTimeout(() => {
        this.setData({
          bottomLoading: false,
          isMoreData: true
        })
      }, 100)
      return false;
    }
    this.getDataList(bool);
  },
  /**
   * 用户点击右上角分享
   */
  onShareAppMessage() {

  }
})