// pages/process/order-list/index.js
import Dialog from '../../../components/dialog/dialog'
import { getFactoryOrderList, cancelOrder } from "../../api/saas"
const event = require('../../../utils/event')
const util = require('../../../utils/util')
const app = getApp()

Page({
  //  * 页面的初始数据
  data: {
    height: app.globalData.fragmentHeight,
    loading: true,
    requesting: false,
    finished: false,
    top: 0,
    orderList: [],
    form: {
      status: 0,
      pageNum: 1
    },
    title: '全部'
  },
  //  * 生命周期函数--监听页面加载
  onLoad: function (options) {
    if(options.status){
      this.data.form.status = Number(options.status)
      if(this.data.form.status == 1){
        this.data.title = '待定价订单'
      } else if(this.data.form.status == 2){
        this.data.title = '待过磅审核订单'
      } else if(this.data.form.status == 3){
        this.data.title = '待付款订单'
      } else if(this.data.form.status == 4){
        this.data.title = '已完成订单'
      } else if(this.data.form.status == 5){
        this.data.title = '已关闭订单'
      }
    }
    event.on('OrderMessage', this, this.onEvent)
    this.setData({ height: app.globalData.fragmentHeight, title: this.data.title })
    this.fetchOrderList()
  },
  onEvent: function(message){
    if (message.what == 12) {
      this.onRefreshList()
    }
  },
  onRefreshList: function () {
    this.setData({
      orderList: [],
      ['form.pageNum']: 1,
      loading: true,
      finished: false
    })
    this.fetchOrderList()
  },
  fetchOrderList: function () {
    if (this.data.requesting || this.data.finished) {
      return
    }
    if (this.data.loading) {
      this.data.requesting = true
    } else {
      this.setData({ requesting: true })
    }
    getFactoryOrderList(this.data.form.status, this.data.form).then(result => {
      if (result.data && result.data.records.length) {
        var respList = result.data.records
        let nowList = `orderList[${this.data.orderList.length}]`
        var num = this.data.form.pageNum
        var finished = ((num - 1) * this.data.form.pageSize + respList.length) >= result.data.total
        if(this.data.form.pageNum == 1){
          this.setData({
            [nowList]: respList,
            ['form.pageNum']: (num + 1),
            top: 0,
            finished,
            requesting: false,
            loading: false
          })
        } else {
          this.setData({
            [nowList]: respList,
            ['form.pageNum']: (num + 1),
            finished,
            requesting: false,
            loading: false
          })
        }
      } else {
        this.setData({ finished: true, requesting: false, loading: false })
      }
    }).catch(err => {
      this.setData({ requesting: false, loading: false })
      util.showToast(err)
    })
  },
  cancelOrder: function(e){
    Dialog.confirm({ title: '温馨提示',  message: '确定取消该订单？' }).then(() => {
      wx.showLoading({ title: '正在获取', mask: true })
      cancelOrder({ id: this.data.form.id }).then(result => {
        wx.hideLoading()
        util.showToast('订单已经删除')
        this.onRefreshList()
      }).catch(err => {
        wx.hideLoading()
        util.showToast(err)
      })
    })
  },
  priceOrder: function(e){
    wx.navigateTo({ url: '/pages/process/order-info/index?id=' + e.currentTarget.dataset.id })
  },
  onUnload: function(){
    event.remove('OrderMessage', this)
  }

})