// pages/me/follow.js
import util from '../../utils/util';
import App from '../../utils/api';
const {regeneratorRuntime} = global
import PubSub from '../../utils/PubSub'
console.log(PubSub)
Page({

  /**
   * 页面的初始数据
   */
  data: {
    sellers:[],
    hasMore:true,
  },
  sellers:[],
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    PubSub.on(
      'follow',
      data=>{
        console.log('follow.msg',data)
        this.formatSellers(data);
      }
    )
  },
  formatSellers(data){
    let sellers=[];
    let hasChange=false
    this.sellers.forEach(seller=>{
      if(seller.id==data.sid){
        hasChange=true
        seller.hasFollow=data.hasFollow
      }
      if(seller.hasFollow){
        sellers.push(seller)
      }
    })
    if(!hasChange){
      sellers=[]
    }
    this.setData({
      sellers:sellers
    })
  },
  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    if(this.hasMore || this.data.sellers.length==0){
      this.sellers=[]
      this.offset=1
      this.setData({
        sellers:[]
      })
      this.getPos()
    }
  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {
    PubSub.off('follow')
  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function (e) {
    console.log(e)
    if(this.hasMore){
      this.GetCollectionSellerList();
    }
  },
  offset:1,
  size:10,
  hasMore:true,
  GetCollectionSellerList(){
    App.Customer.GetCollectionSellerList({
      openid:getApp().openid,
      lat:this.location.latitude,
      lng:this.location.longitude,
      offset:this.offset,
      size:this.size,
    }).then(res=>{
      let sellers=res.data;
      let sellersLength=sellers.length;
      this.hasMore=sellersLength>=this.size
      if(this.hasMore){
        this.offset+=1
      }
      sellers.forEach((seller,si) => {
        seller.distance = parseInt(seller.distance);
        if (seller.distance > 1000) {
          seller.distance = (seller.distance / 1000).toFixed(2) + '公里'
        } else {
          seller.distance += '米';
        }
        if(seller.seller_tel){
          seller.seller_tel=seller.seller_tel.split(',');
        }else{
          seller.seller_tel=[]
        }
        seller.hasFollow=true
      })
      sellers=[...this.data.sellers,...sellers]
      this.setData({
        sellers:sellers,
        hasMore:this.hasMore,
      })
      this.sellers=sellers
    })
  },
  getPos(){
    this._getPos().then(res => {
      console.log('wx.getLocation.then', res);
      this.location=res
      this.GetCollectionSellerList();
    }).catch((e) => {
      console.log('wx.getLocation.catch', e);
      if ('getLocation:fail auth deny' == e.errMsg || 'getLocation:fail:auth denied' == e.errMsg) {
        this.selectComponent('#showModal').options({
          header: '定位失败',
          body: '需要地理位置授权'
        }).show();
      } else {
        setTimeout(() => {
          this.getPos()
        }, 500)
      }

    })
  },
  _getPos(){
    return new Promise((success, fail) => {
      wx.getLocation({
        type: 'gcj02',
        success: (res) => {
          success(res)
        },
        fail: (res) => {
          fail(res)
        },
        complete: (res) => {
          console.log('wx.getLocation', res)
        }
      });
    })
  },
  gotoDetail(e){
    wx.navigateTo({
      url:'/pages/reserve/detail?id='+util.attr(e,'sid')
    })
  },
})