// pages/activity_list/activity_list.js
// 引用数据请求的 公共函数
const util = require('../../utils/util.js')
Page({

  /**
   * 页面的初始数据
   */
  data: {
    loading: true,
    repos: [],
    pageNum: 1,
    pageSize: 10,
    hasMoreData: true,
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    this.loadActivityLists();
  },

  loadActivityLists: function () {
    wx.showLoading({
      title: '正在加载',
      mask: true,
    });
    var that = this;
    wx.request({
      url: getApp().gw.hostUrl + '/mall/wxa/activity/group/list',
      method: 'get',
      data: {
        pageNum: that.data.pageNum,
        pageSize: that.data.pageSize
      },
      header: {
        'Content-Type': 'application/x-www-form-urlencoded',
        'sessionId': wx.getStorageSync('sessionId')
      },
      success: function (res) {
        wx.hideLoading();
        if (res.data.code == 0 && res.data.response.length > 0) {
          var lists = that.data.repos;
          if (that.data.pageNum == 1) {
            //刷新清空数据
            lists = [];
          }
          var respList = res.data.response.map((n) => Object.assign({}, n, {
            createdAt: util.formatTime(new Date(n.createdAt)).substr(0, 16),
            img: that.switchImg(n.status),
            activityTypeStr: that.switchType(n.activityType),
          }));
          if (respList.length < that.data.pageSize) {
            //最后一页数据添加
            that.setData({
              repos: lists.concat(respList),
              loading: false,
              hasMoreData: false
            });
          } else {
            that.setData({
              repos: lists.concat(respList),
              hasMoreData: true,
              loading: false,
              pageNum: that.data.pageNum + 1
            });
          }
        } else {
          if (res.data.code != 0){
            wx.showToast({
              title: res.data.msg,
              icon: 'none',
              duration: 1000
            });
          }
          that.setData({
            loading: false,
          });
        }
      },
      fail: function (e) {
        wx.hideLoading();
        wx.showToast({
          title: '网络异常!',
          icon: 'none',
          duration: 1000
        });
        that.setData({
          loading: false,
        });
      },
      complete: function (res) {
        // complete
        that.data.loading = false
        wx.hideNavigationBarLoading() //完成停止加载
        wx.stopPullDownRefresh() //停止下拉刷新
      },
    })
  },

  onPullDownRefresh: function () {
    this.data.pageNum = 1;
    this.loadActivityLists();
  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {
    if (this.data.hasMoreData) {
      this.loadActivityLists();
    } else {
      wx.showToast({
        title: '没有更多数据',
      })
    }
  },

  itemClick: function (event) {
    var activityNo = event.currentTarget.dataset.activityno;
    var groupNo = event.currentTarget.dataset.groupno;
    wx.navigateTo({
      url: '../activity_detail/activity_detail?activityNo=' + activityNo + '&groupNo=' + groupNo
    })
  },

  switchType: function (activityType) {
    switch (activityType) {
      case 10: return '../../images/icon_pintuan.png'
      case 20: return '../../images/icon_kanjia.png'
      case 30: return '../../images/icon_duobao.png'
    }
  },

  switchImg: function (status) {
    switch (status) {
      case 20: return '../../images/icon_task_finish.png'
      case 90: return '../../images/icon_task_fail.png'
    }
  }

})