import QRCode from '../../js/qrcode'
// components/ticket/ticket.js
Component({
  /**
   * 组件的属性列表
   */
  properties: {
    state: String, //['mall','my','verified','detail']
    code: String,
  },

  /**
   * 组件的初始数据
   */
  data: {
    url: ''
  },
  attached() {
    const {
      coupons
    } = getApp()
    const coupon = coupons.get(this.data.code)
    coupons.onUpdate(this.data.code, (coupon) => {
      this.setData({
        coupon
      })
    })
    this.setData({
      coupon,
    }, () => {
      if (this.data.state === 'detail') {
        const query = wx.createSelectorQuery().in(this)
        query.select('#qrcode').node((res) => {
          const canvas = res.node;
          QRCode.toCanvas(canvas, coupon.orderNo, function (error) {
            if (error) console.error(error)
          })
        }).exec()
      }


    })

  },

  /**
   * 组件的方法列表
   */
  methods: {
    collect() {
      this.triggerEvent('collect', {
        code: this.data.code
      })
    }
  }
})