import { paperCategoryList, getStorePurchaseList, deletePurchase, updatePurchaseStatus } from "../../../../api/ztb"
const util = require('../../../../utils/util')
const event = require('../../../../utils/event')
const app = getApp()

Page({
  /**
   * 页面的初始数据
   */
  data: {
    height: app.globalData.fragmentHeight,
    kg: app.globalData.kg,
    loading: true,
    requesting: false,
    finished: false,
    cateList: [],
    cateScroll: false,
    tabiList: [],
    pageIndex: 0,
    top: 0,
    orderList: [],
    form: {
      firstCategoryId: '',
      pageNum: 1,
      pageSize:15
    }
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    event.on('EventMessage', this, this.onEvent)
    this.wuxDialog = this.wuxDialog || this.selectComponent('#wux-dialog')
    if(options.storeId){
     this.data.form['storeId'] = options.storeId
    }
    this.fetchCateList()
    this.fetchGoodsList()
  },
  onEvent: function (message) {
    if (message.what == 412) {
      this.onRefreshList()
    }
  },
  onRefreshList: function () {
    this.setData({
      orderList: [],
      ['form.firstCategoryId']: this.data.form.firstCategoryId,
      ['form.pageNum']: 1,
      loading: true,
      finished: false
    })
    this.fetchGoodsList()
  },
  fetchCateList: function(){
    paperCategoryList({ type: 1 }).then(result => {
      var tabList = ['全部']
      var size = 0
      for (let index = 0; index < result.data.length; index++) {
        tabList.push(result.data[index].name)
        size += result.data[index].name.length
      }
      this.data.cateList =  result.data
      this.setData({ 
        tabiList: tabList, 
        cateScroll: size > 14,
        height: app.globalData.fragmentHeight - 90,
        kg: app.globalData.kg,
        CustomBar: app.globalData.CustomBar 
      })
    })
  },
  onCategoryChange: function ({detail}) {
    if(this.data.pageIndex == Number(detail.index)){
      return
    }
    this.data.pageIndex = Number(detail.index)
    if(this.data.pageIndex == 0){
      this.data.form.firstCategoryId = ''
    } else {
      this.data.form.firstCategoryId = this.data.cateList[this.data.pageIndex - 1].id
    }
    this.onRefreshList()
  },
  fetchGoodsList: function () {
    if (this.data.requesting || this.data.finished) {
      return
    }
    if (this.data.loading) {
      this.data.requesting = true
    } else {
      this.setData({ requesting: true })
    }
    getStorePurchaseList(this.data.form).then(result => {
      if (result.data.records.length) {
        var respList = result.data.records
        let nowList = `orderList[${this.data.orderList.length}]`
        var num = this.data.form.pageNum
        var finished = this.data.form.pageNum >= result.data.pages
        if(this.data.form.pageNum == 1){
          this.setData({
            [nowList]: respList,
            total: result.data.total,
            ['form.pageNum']: (num + 1),
            top: 0,
            finished,
            requesting: false,
            loading: false
          })
        } else {
          this.setData({
            [nowList]: respList,
            total: result.data.total,
            ['form.pageNum']: (num + 1),
            finished,
            requesting: false,
            loading: false
          })
        }
      } else {
        this.setData({ finished: true, requesting: false, loading: false })
      }
    }).catch(err => {
      //异常回调
      this.setData({ requesting: false, loading: false })
      util.showToast(err)
    })
  },
  editItem: function (e) {
    var item = this.data.orderList[e.currentTarget.dataset.page][e.currentTarget.dataset.index]
    wx.navigateTo({ url: '/submodel/pages/purchase/create/index?id=' + item.id })
  },
  shelvesItem: function (e) {
    var page = e.currentTarget.dataset.page
    var index = e.currentTarget.dataset.index
    var item = this.data.orderList[page][index]
    var that = this
    if(item.status == 1){
      this.wuxDialog.open({
        resetOnClose: true,
        title: '温馨提示',
        content: '确定下架该商品？',
        buttons: [{
          text: '取消'
        }, {
          text: '确定',
          type: 'primary',
          onTap(e) {
            that.statusItem(item, page, index, 2)
          }
        }]
      })
    } else {
      that.statusItem(item, page, index, 1)
    }
  },
  statusItem: function(item, page, index, status){
    wx.showLoading({ title: '处理中', mask: true })
    updatePurchaseStatus({productId: item.id, status}).then(result => {
      this.setData({ ['orderList[' + page + '][' + index + '].status']: status })
      wx.hideLoading()
      if(status == 2){
        util.showToast('采购下架成功!')
      } else {
        util.showToast('采购上架成功!')
      }
    }).catch(err => {
      //异常回调
      wx.hideLoading()
      util.showToast(err)
    })
  },
  removeItem: function (e) {
    var item = this.data.orderList[e.currentTarget.dataset.page][e.currentTarget.dataset.index]
    var that = this
    this.wuxDialog.open({
      resetOnClose: true,
      title: '温馨提示',
      content: '确定删除该采购信息？',
      buttons: [{
        text: '取消'
      }, {
        text: '确定',
        type: 'primary',
        onTap(e) {
          that.deleteItem(item)
        }
      }]
    })
  },
  deleteItem: function(item){
    wx.showLoading({ title: '处理中', mask: true })
    deletePurchase({productId: item.id}).then(result => {
      wx.hideLoading()
      this.onRefreshList()
      util.showToast('商品删除成功!')
    }).catch(err => {
      wx.hideLoading()
      util.showToast(err)
    })
  },
  onTabChange: function (e) {
    if (this.data.form.bidType == e.detail.key) {
      return
    }
    this.data.form.bidType = e.detail.key
    this.data.form.firstCategoryId = ''
    this.onRefreshList()
  },
  onUnload: function(){
    event.remove('EventMessage', this)
  }
})