const app = getApp();
import moment from 'moment'
Page({

  /**
   * 页面的初始数据
   */
  data: {
    list: [],
    //分页
    page: 1,
    limit: 10,
    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(options) {
    console.log(options);
    this.getDataList(false);
  },

  getDataList(isReachBottom) {
    app.MG.ugc.getTopicMessageList({
      appRefCode: app.config.appRefCode,
      topicIdOrRefCode: "productDownLoad",
      start: this.data.page * this.data.limit - this.data.limit,
      size: this.data.limit,
      sort: {
        type: "Desc",
        field: "CreateDate"
      }
    })
      .then(res => {
        try {
          if (res.datas.length > 0) {
            res.datas.forEach((item) => {
              item.createDate = moment(item.createDate).format("YYYY-MM-DD HH:mm:ss");
              item.updateDate = moment(item.updateDate).format("YYYY-MM-DD HH:mm:ss");
              if (item.feedBack) {
                item.feedBack = JSON.parse(item.feedBack);
              }
              if (item.content) {
                item.product = JSON.parse(item.content)[0];
              }
            });

            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,
              bottomLoading: false,
              isMoreData: dataList.length > 0 ? false : true,
              skeletonLoding: false,
            })
          } else {
            this.setData({
              skeletonLoding: false,
            })
          }
        } catch (error) {
          console.log(error)
        }
      })
  },

  goBookDetails(e) {
    const { book } = e.currentTarget.dataset;
    wx.navigateTo({
      url: `/packageBookService/pages/bookServices/detail/index?id=${book.id}&name=${book.name}`,
    });
  },

  /**
   * 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({
      page: 1,
      limit: 10,
      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);
  },
  // 监听滚动距离
  onPageScroll(e) {
    if (e && e.scrollTop >= 1000) {
      this.setData({
        isBackTop: true
      })
    } else {
      this.setData({
        isBackTop: false
      })
    }
  },
  /**
   * 用户点击右上角分享
   */
  onShareAppMessage() {

  }
})