// pages/collectionGoods/index.js
import { getCollectUserList, getProductHot, collectDel } from '../../api/store.js'

const app = getApp()

Page({
  /**
   * 页面的初始数据
   */
  data: {
    parameter: {
      navbar: '1',
      return: '1',
      title: '收藏',
      color: false
    },
    host_product: [],
    loadTitle: '加载更多',
    loading: false,
    loadend: false,
    collectProductList: [],
    limit: 8,
    page: 1
  },

  /**
   * 授权回调
   */
  onLoadFun: function () {
    this.get_user_collect_product()
    this.get_host_product()
  },

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

  /**
   * 获取收藏产品
   */
  get_user_collect_product: function () {
    var that = this
    if (this.data.loading) return
    if (this.data.loadend) return
    that.setData({
      loading: true,
      loadTitle: ''
    })
    getCollectUserList({
      page: that.data.page,
      limit: that.data.limit
    })
      .then(res => {
        var collectProductList = res.data
        var loadend = collectProductList.length < that.data.limit
        console.log(collectProductList.length)
        that.data.collectProductList = app.SplitArray(collectProductList, that.data.collectProductList)
        that.setData({
          collectProductList: that.data.collectProductList,
          loadend: loadend,
          loadTitle: loadend ? '我也是有底线的' : '加载更多',
          page: that.data.page + 1,
          loading: false
        })
      })
      .catch(err => {
        that.setData({
          loading: false,
          loadTitle: '加载更多'
        })
      })
  },

  /**
   * 取消收藏
   */
  delCollection: function (e) {
    var id = e.target.dataset.id,
      that = this,
      index = e.target.dataset.index
    collectDel(id).then(res => {
      return app.Tips(
        {
          title: '取消收藏成功',
          icon: 'success'
        },
        function () {
          that.data.collectProductList.splice(index, 1)
          that.setData({
            collectProductList: that.data.collectProductList
          })
        }
      )
    })
  },

  /**
   * 获取我的推荐
   */
  get_host_product: function () {
    var that = this
    getProductHot().then(res => {
      that.setData({
        host_product: res.data
      })
    })
  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {
    this.get_user_collect_product()
  }
})