const app = getApp();
var util = require('../../utils/util.js');
var api = require('../../utils/service-api.js');
var comReq = require('../../utils/common-request.js'); 


Page({

  /**
   * 页面的初始数据
   */
  data: {
    productList: [],
    offset: 0,
    limit: 10,
    isEnd: false,
    shopId: '',
    toTopIcon: false,
    top_num: 0,
    totalNum: 0, 

  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    var _this = this;
 
     //获取banbber
     util.request({
      api: api.ad.getAdByCode,
      method: 'POST',
      data:{title:'拼团banner'},
      callback: function (data) {
        _this.setData({
          banner: data.rows[0],
        });
      }
    });


    this.getProductList();

    this.setData({
      shopId: app.shopInfo.id,
    });

    this.djs();

  },




  /**
   * 加载产品列表
   */ 
  getProductList: function () {

    var _this = this;
    var limit = _this.data.limit;
    var offset = _this.data.offset;   

    util.request({
      api: api.groupBuy.showGroupByList,
      data: {
        "limit": limit, 
        "offset": offset,
        "shopId": app.shopInfo.id, 
      },
      callback: function (data) {

        if (data.rows.length == 0) {
          _this.setData({
            isEnd: true
          });
        } else {
          var productList = _this.data.productList;
          for (var i = 0; i < data.rows.length; i++) {
            productList.push(data.rows[i])
          }
          //更新下次调用的角标
          _this.setData({
            productList: productList,
            offset: offset + limit,
          });
        }
      }
    });

  },


  // 进入详情
  intoDetail(e) {
    var _this = this;
    var id = e.currentTarget.dataset.id; 
    wx.navigateTo({
      url: '/pages/groupbuy/groupDetails?id=' + id,
    })
  
  },




  //检查用户信息是否绑定
  checkUserInfoIsBuding() {
    if (util.isBlank(getApp().userInfo.nickName)) {
      wx.navigateTo({
        url: '/pages/welcome/welcome?url=/pages/yuyue/khyuyue',
      })
    } else if (util.isBlank(getApp().userInfo.phoneNumber)) {
      wx.navigateTo({
        url: '/pages/phone/phone?url=/pages/yuyue/khyuyue',
      })
    }
  },



  //一键回到顶部
  goTap() {
    this.setData({ top_num: 0 })
  },

  scroll_distance: function (event) {

    this.setData({
      toTopIcon: event.detail.scrollTop > 300 ? true : false
    })
  },


  backtop: function () {
    this.setData({ top_num: 0 })
  },



  djs(){
    var _this=this;
    var interval = setInterval(function () {
      
      let productList = _this.data.productList;
      for(let i=0; i<productList.length; i++){
        
        let time = productList[i].time;
        time--;
        productList[i].time=time; 
        if(time<0){
          continue;
        }else{
          productList[i].djs = util.getTimeSpance(time);
        }
        
        
      }
      _this.setData({
        productList: productList
      });
    }, 1000);
  },



  //转发
  onShareAppMessage(res) {

  },





  /**
   * 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 () {
    console.log("上拉");
    this.getProductList();
  },

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

  }
})