// pages/list/food/index.js
import commonApi from "../../../utils/https/common"
import util from "../../../utils/util"
Page({

  /**
   * 页面的初始数据
   */
  data: {
    types:["街巷美食","美食地图"],
    typeIndex:0,
    list:[],
    total:1,
    sort:"weight",
    keywords:"",
	lat: '',
	lon: ''
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
	  wx.getLocation({
	    type: 'gcj02',
	    success:(res)=>{
	      this.setData({
	        lat:res.latitude,
	        lon:res.longitude
	      })
	  	  this.getList()
	    },
	    fail:()=>{
	      wx.showToast({
	        title: '请打开位置授权',
	        icon:'none'
	      })
	    }
	  })
    
  },
  setSort:function(){
    this.setData({
      sort:this.data.sort=='weight'?'distance':'weight',
      list:[],
      total:1
    })
    this.getList();
  },
  changeType:function(e){
    if(e.detail.value==1){
      wx.reLaunch({
        url: '/pages/map/index?type=4',
      })
      return;
    }
    this.setData({
      typeIndex:e.detail.value,
      list:[],
      total:1
    })
    this.getList()
  },
  gotoDetail:function(e){
    let item = e.currentTarget.dataset.item;
    if(this.data.typeIndex==0){
      wx.navigateTo({
        url: '/pages/info/foodInfo/index?id='+item.id,
      })
      return;
    }
    
    util.gotoDetail(item);
  },
  search:function(e){
    this.setData(e.detail);
    this.setData({
      list:[],
      total:1
    })
    this.getList();
  },
  getList:function(){
    let service="product/get_product_by_tag",list=this.data.list,data = {
      title:this.data.keywords,
      tag_id:"14",
      offset:list.length,
      limit:1000,
      sort:this.data.sort,
      order:this.data.sort=='weight'?'desc':'asc',
    },that = this;
    if(list.length>=this.data.total) return;
    if(this.data.typeIndex==0){
      // 景点
      service = "scene/get_scene_by_tag";
      data.tag_id = "12"
	  data.lat = this.data.lat
	  data.lon = this.data.lon
    }
    if(this.data.sort=='distance' && !this.data.latitude){
      wx.getLocation({
        type: 'gcj02',
        success: function (res) {
          that.setData({
            latitude:res.latitude,
            longitude:res.longitude
          })
          data.lon = res.longitude;
          data.lat = res.latitude;
          that.getRealList(service,data)
        },
        fail:function(){
          that.getRealList(service,data)
        }
      })
    }
    else if(this.data.sort=='distance'){
      data.lon = this.data.longitude;
      data.lat = this.data.latitude;
      this.getRealList(service,data)
    }
    else {
      this.getRealList(service,data)
    }
  },
  getRealList:function(service,data){
    let list=this.data.list;
    commonApi._post(service,data).then(res=>{
      res.data.list.map(item=>{
        item.display_tags = (item.display_tags?item.display_tags.split(","):[]).splice(0,2);
        if(item.distance){
          item.distance = item.distance>=1000?(item.distance/1000+'km'):(item.distance+'m');
        }
      })
      this.setData({
        list:list.concat(res.data.list),
        total:this.data.type==0?res.data.total:res.data.count
      })
    })
  },

  /**
   * 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 () {

  },

  /**
   * 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 () {

  },

  /**
   * 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 () {
    // this.getList()
  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  }
})