// pages/index/index.js
const app = getApp();
const net = require('../../utils/net.js');
const url = require('../../utils/url.js');
const util = require('../../utils/util.js');

Page({

  /**
   * 页面的初始数据
   */
  data: {
    file: url.file,
    list: [],
    lastTime: 0,
    animation: {},
    tabs: {
      width: 0,
      left: 0,
      list: [],
      current: 0,
    }
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function(options) {
    //不使用群标识，支持长按转发
    wx.showShareMenu({
      withShareTicket: false
    })
    //获取分类列表
    this.getTagList();
    net.login();
  },

  /**
   * 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() {
    var offset = new Date().getTime() - this.data.lastTime;
    if (offset > 600000) {
      this.initList();
    }
  },

  /**
   * 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() {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function() {
    return {
      title: '总是被KO，不要啊！快来帮帮我！',
      path: '/pages/index/index',
      imageUrl: 'http://adminwxstore.xsbanruo.com/wxstore-admin/file/upload/2/8280/828020180831642627961906.jpg'
    }
  },

  setTabUnderLineAnimation: function(id){
    var animation = wx.createAnimation({
      duration: 400,
      timingFunction: 'ease',
    });
    var x = this.data.tabs.width * id + this.data.tabs.left;
    animation.translate(x, 0).step();
    this.setData({
      animation: animation.export()
    });
  },
  // 当tab切换时执行方法，修改tab样式，获取数据
  onTabChange: function(e) {
    var id = e.currentTarget.id;
    if (this.data.tabs.currentTabId === id) {
      return;
    }
    //执行tab下划线移动动画
    this.setTabUnderLineAnimation(id);
    //设置tab文字颜色变化
    this.data.tabs.list[this.data.tabs.current].class = '';
    this.data.tabs.list[id].class = 'active';
    this.data.tabs.current = id;
    this.setData({
      tabs: this.data.tabs
    });
    //当前列表无数据时，获取数据
    if (this.data.list[this.data.tabs.current].length <= 0) {
      this.getList();
    }
  },
  onSwiperChange: function(e) {
    //swiper为手动滑动
    if (e.detail.source === 'touch') {
      //tab发生变化，执行切换方法
      this.onTabChange({
        currentTarget: {
          id: e.detail.current
        }
      });
    }
  },
  initList: function(){
    //根据分类，初始化游戏列表
    var len = this.data.tabs.list.length;
    this.data.list = new Array(len);
    for (var i = 0; i < len; i++) {
      this.data.list[i] = [];
    }
    this.setData({
      list: this.data.list
    })
    //获取游戏列表
    this.getList();
  },
  getTagList: function() {
    this.data.lastTime = new Date().getTime();
    wx.showLoading({
      title: '',
    });
    net.request({
      url: url.tags,
      success: res => {
        //根据分类，初始化分类列表tabs
        this.data.tabs.list = res.data;
        this.data.tabs.list[0].class = 'active';
        var len = this.data.tabs.list.length;
        this.data.tabs.width = app.config.width / len;
        this.data.tabs.left = (this.data.tabs.width - app.config.width * 120 / 750) / 2;
        this.setTabUnderLineAnimation(0);
        this.setData({
          tabs: this.data.tabs
        });
        this.initList();
      },
      fail: err => {
        wx.showModal({
          title: '',
          content: '获取数据失败，请检查网络，重新获取',
          showCancel: false,
          success: res => {
            this.getTagList();
          }
        })
      }
    });
  },
  getList: function() {
    wx.showLoading({
      title: '',
    });
    net.request({
      url: url.list,
      data: {
        tagId: this.data.tabs.list[this.data.tabs.current].tagId
      },
      success: res => {
        this.data.lastTime = new Date().getTime();
        this.data.list[this.data.tabs.current] = res.data;
        this.setData({
          list: this.data.list
        })
      }
    });
  },
  toTask: function(e) {
    //进入详情页
    wx.showLoading({
      title: '',
    })
    const task = this.data.list[this.data.tabs.current][e.currentTarget.id];
    net.request({
      url: url.task,
      method: 'GET',
      data: {
        programId: task.programId
      },
      success: res => {
        const result = res.data || {
          gtaskId: 0,
          programId: task.programId,
          title: task.memo,
          jumpPath: '/pages/index/index',
          card: ''
        };
        result.appId = task.appId
        result.logo = task.logo
        result.appName = task.appName
        result.memo = task.memo
        result.playRefer = 1
        result.jumpPath = encodeURIComponent(result.jumpPath);
        var param = util.parseUrlParamByJson(result);
        wx.navigateTo({
          url: '/pages/task/task?' + param,
        });
      }
    });
  },
})