// pages/moment/create/index.js
const request = require('../../../utils/request') //导入模块
const util = require('../../../utils/util')
const event = require('../../../utils/event.js')

Page({
  /**
   * 页面的初始数据
   */
  data: {
    form:{},
    requesting: false,
    tagList:[]
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    if(options.barId){
      this.data.form.paperBarId = options.barId
    }
    request.get('/information-center/get/label-list').then(result => {
      //成功回调
      this.setData({ tagList: result.data })
    })
    if(options.id){
      wx.showLoading({ title: '加载中', mask: true })
      request.get('/information-center/get/post-detail/' + options.id).then(result => {
        // imgUrlList
        var fileList = []
        if (result.data.imgUrlList && result.data.imgUrlList.length) {
          result.data.imgUrlList.forEach(element => {
            fileList.push({ url: element, status: 8 })
          })
        }
        // Tags
        if(this.data.tagList.length > 0 && result.data.labelList && result.data.labelList.length){
          for (let index = 0; index < this.data.tagList.length; index++) {
            console.log(this.data.tagList)
            for (let i = 0; i < result.data.labelList.length; i++) {
              if(this.data.tagList[index].name == result.data.labelList[i]){
                this.data.tagList[index].check = true
                break
              }
            }
          }
        }
        this.setData({ 
          form: result.data,
          fileList: fileList,
          tagList: this.data.tagList
        })
        wx.hideLoading()
      }).catch(err => {
        //异常回调
        wx.hideLoading()
      })
    }
  },
  tagChange: function(e){
    var item = this.data.tagList[e.target.dataset.index]
    item.check = !item.check
    this.setData({
      ['tagList[' + e.target.dataset.index + ']']: item
    })
  },
  bindInput: function (e) {
    this.data.form[e.target.id] = e.detail.value
  },
  onImageChange: function (e) {
    if (e.detail) {
      var list = []
      e.detail.forEach(element => {
        if (!util.isEmpty(element.url)) {
          list.push(element.url)
        }
      })
      this.data.form['imgUrlList'] = list
    }
  },
  submitForm: function(){
    if(this.data.requesting){
      return
    }
    if(util.isEmpty(this.data.form.title)){
      util.showToast('请输入标题')
      return
    }
    if(util.isEmpty(this.data.form.content)){
      util.showToast('请输入内容')
      return
    }
    var tags = []
    this.data.tagList.forEach(element => {
      if (element.check) {
        tags.push(element.id)
      }
    })
    this.data.form['labelIdList'] = tags
    wx.showLoading({
      title: '处理中',
      mask: true
    })
    this.data.requesting = true
    if(util.isEmpty(this.data.form.id)){
      request.post('/information-center/post', this.data.form).then(result => {
        //成功回调
        wx.hideLoading()
        event.emit('EventMessage', { what: 501, desc: 'PostChange' })
        util.showBackToast('发帖成功')
      }).catch(err => {
        //异常回调
        wx.hideLoading()
        this.data.requesting = false
        util.showToast(err)
      })
    } else {
      request.post('/information-center/update/post/' + this.data.form.id, this.data.form).then(result => {
        //成功回调
        wx.hideLoading()
        event.emit('EventMessage', { what: 501, desc: 'PostChange' })
        util.showBackToast('编辑成功')
      }).catch(err => {
        //异常回调
        wx.hideLoading()
        this.data.requesting = false
        util.showToast(err)
      })
    }
    
  }
 
})