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

  /**
   * 页面的初始数据
   */
  data: {

    //活动未开始
    ACTIVE_STATUS_NOT_START: 2,
    //活动进行中
    ACTIVE_STATUS_ING: 1,
    //活动结束
    ACTIVE_STATUS_END: 3,

    //当前场次角标
    currentTab: 0,

    //当期场次信息
    currentActiveInfo: {},
    //秒杀列表数据
    activitList: [],
    //秒杀产品列表
    productList: [],

    //分页相关数据

    //搜索条件
    shopId: '',

    //通用分页参数
    offset: 0,
    limit: 4,
    isEnd: false,
    toTopIcon: false,
    top_num: 0,
    totalNum: 0,
    //分页相关数据结束

    banner:"",

  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    var _this = this;
    var shopId = app.shopInfo.id;
    this.setData({
      shopId: shopId
    });

    //获取banbber
    util.request({
      api: api.ad.getAdByCode,
      method: 'POST',
      data:{title:'秒杀banner'},
      callback: function (data) {
        _this.setData({
          banner: data.rows[0],
        });
      }
    });
    //数据加载启动倒计时


    util.request({
      api: api.seckill.findSecKillActList + shopId,
      method: 'GET',
      callback: function (data) {
        _this.setData({
          activitList: data.rows,
          currentActiveInfo: data.rows[0]
        });
        _this.startDjs();
        _this.getProductList();
      }
    });


  },
  changeTab(e) {
    var index = e.currentTarget.dataset.index;
    var currentActiveInfo = this.data.activitList[index];
    this.setData({
      currentTab: index,
      currentActiveInfo: currentActiveInfo,
      productList: [],
      offset: 0,
      limit: 2,
      isEnd: false,
      toTopIcon: false,
      top_num: 0,
      totalNum: 0,

    });
    this.getProductList();
  },


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


    var _this = this;
    //获取当前分页
    var limit = _this.data.limit;
    var offset = _this.data.offset;

    util.request({
      api: api.seckill.findSecKillGoodsListById,
      mask: true,

      data: {
        "limit": limit,
        "offset": offset,
        "id": _this.data.currentActiveInfo.id,
      },
      callback: function (data) {

        //判断数据是否达达到结束条件
        if (data.rows.length == 0) {
          _this.setData({
            isEnd: true
          });
        } else {
          //获取到新数据加入列表中
          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 id = e.currentTarget.dataset.id; 
    wx.navigateTo({
      url: '/pages/miaosha/msDetails?id=' + id,
    })
  
  },


  /**
   * 启动倒计时
   */
  startDjs() {
    var _this = this; 
    interval = setInterval(function () {

      var activitList = _this.data.activitList;

      for (let i = 0; i < activitList.length; i++) {
     
        let time = activitList[i].remainTime;
      
        time--; 
        if (time < 0) {
          activitList[i].isStart=_this.data.ACTIVE_STATUS_END;
          continue;
        } else {
          activitList[i].remainTime = time;
          activitList[i].djs = util.getTimeSpance(time);
        }
      }
 
      _this.setData({
        activitList: activitList,
        currentActiveInfo:activitList[_this.data.currentTab]
      });

    }, 1000);




  },


  /**
   * 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 () {

  }
})