// pages/mall/shops/index.js
const request = require('../../../utils/request'); //导入模块
const util = require('../../../utils/util');
const event = require('../../../utils/event.js')
const app = getApp()

Page({

  /**
   * 页面的初始数据
   */
  data: {
    height: app.globalData.fragmentHeight - 100,
    CustomBar: app.globalData.CustomBar,
    tabs: ['待出车', '进行中', '已完成', '进行中', '已完成', '进行中', '已完成', '进行中', '已完成'],
    loading: true,
    finished: false,
    requesting: false,
    cheapList: [],
    taskList: [],
    form: {
      pageSize: 10,
      pageNum: 1
    },
    token: null
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    this.setData({
      height: app.globalData.fragmentHeight,
      CustomBar: app.globalData.CustomBar
    })
    event.on('EventMessage', this, this.onEvent)
  },

  onEvent: function (message) {
    console.log('mall>>index>>onEvent', message)
    if(message.what == 1 && util.isEmpty(this.data.token)){
      // this.setData({ token: app.globalData.token })
    }
  },
  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {
    if (!this.data.firstShow) {
      this.setData({
        token: app.globalData.token
      })
      this.fetchCheapList()
      this.fetchTaskList()
    }
  },

  fetchCheapList: function () {
    request.get('/bxe-mall/product/cheapList').then(result => {
      //成功回调
      this.setData({ loading: false, cheapList: result.data })
      console.log(this.data.cheapList.length > 0)
    }).catch(err => {
      //异常回调
      this.setData({ loading: false })
      util.showToast(err)
    })
  },

  fetchTaskList: function () {
    if (this.data.requesting || this.data.finished) {
      return
    }
    if (this.data.form.pageNum == 1 && this.data.taskList.length == 0) {
      this.setData({ loading: true })
    }
    this.data.requesting = true
    // /product/cheapList特价产品列表
    request.get('/bxe-mall/product/groupList', this.data.form).then(result => {
      //成功回调
      this.setData({ requesting: false, loading: false })
      if (result.data.records.length) {
        var respList = result.data.records
        let nowList = `taskList[${this.data.taskList.length}]`
        var num = this.data.form.pageNum
        var finished = this.data.form.pageNum >= result.data.pages
        this.setData({
          [nowList]: respList,
          total: result.data.total,
          ['form.pageNum']: (num + 1),
          finished
        })
      }
    }).catch(err => {
      //异常回调
      this.setData({ requesting: false, loading: false })
      util.showToast(err)
    })
  },

  searchList: function (e) {
    wx.navigateTo({
      url: '/pages/mall/search-list/index'
    })
  },

  lookGroupItem: function (e) {
    var item = this.data.taskList[e.currentTarget.dataset.page][e.currentTarget.dataset.index]
    wx.navigateTo({
      url: '/pages/mall/order-info/index?id=' + item.id
    })
  },
  
  lookCheapItem: function (e) {
    var item = this.data.cheapList[e.currentTarget.dataset.index]
    wx.navigateTo({
      url: '/pages/mall/order-info/index?id=' + item.id
    })
  },
   
  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {
    event.remove('EventMessage', this)
  }

})