const app = getApp();

const getDataForRender = class_ => ({
  name: class_.get('name'),
  objectId: class_.get('objectId')
});
const categories= [{ text: "我学习的", value: "study" }, { text: "我管理的", value: "manage" }];
Page({
  options:{},
  data: {
    imgDir:global.config.imgDir,
    categories,
    statuses: [{ text:"正在进行", value:"processing"},{text:"已结束",value:"end"}],
    courses: [],
    status:0,
    user:{},
    current_cate:-1
  },
  presences: [],
  classes: [],

  onCategoryChange: function({detail:{current,value}}){
    this.options["category"] = value.value;
    if(current>=0)
      this.pull_courses(this.options);
  },
  onStatusChange: function ({detail: {value} }){
    this.options["status"] = value.value;
    this.pull_courses(this.options);
  },
  show_join_course_modal: function (event) {
    this.setData({ show_join_course_modal: true });
  },

  enter_course: function(event){
    console.log(event);
    let {id, course_name} = event.currentTarget.dataset;
    wx.navigateTo({
      url: "/course/pages/course/course?course_id="+id+"&course_name="+course_name,
    })
  },

  pull_courses: function({category="",status=""}={}){
    app.callApi({name:"users.courses",data:{
      category: category,
      status: status},
      complete:()=>{this.setData({loading:false})}
      })
    .then(res=>{
      console.log(res);
      this.setData({courses: res.courses||[]});
    }).catch(e=>{
      this.setData({courses:[]});
      console.error
    });
    console.log(this.data);
  },
  onLoad: function (options) {
    app.syncUser().then(r=>{
      if(r.user.is_teacher)
        var current_cate = 1;
      else
        var current_cate = 0; 
      this.setData({current_cate});
    })
  },
 
  onShow: function () {
    app.syncUser().then(r =>{
      this.setData({ user: r.user })
    });
    if(this.data.current_cate>=0)
      this.pull_courses(this.options);
  },

  onPullDownRefresh: function () {
    this.pull_courses(this.options);
  },
  onShareAppMessage: function () {
    return app.shareApp();
  }
})