<template>
  <div class="abroad_detail_share_box" :class="type == 'order' ? 'type_order' : ''" @click="handleMask">
    <div class="content" @click.stop>
      <img class="share_img" src="@/assets/service/share.png" alt="" />
      <p class="share_text" v-if="posterLoaded">{{ posterBody }}</p>
      <div class="line" v-if="posterLoaded"></div>
      <div class="share_btn_box">
        <button class="btn btn1" v-clipboard:copy="posterBody" v-clipboard:success="copyTextPoster" v-clipboard:error="onError">
          复制文字生成海报
        </button>
        <button class="btn btn2" v-clipboard:copy="posterBody" v-clipboard:success="copyTextFriend" v-clipboard:error="onError">
          复制文字分享至朋友
        </button>
      </div>
      <div class="line2"></div>
    </div>
    <div id="posterBox" v-if="showPoster" @click="showPoster = false">
      <div class="poster_content" @click.stop>
        <img class="poster" :src="posterUrl" alt="" />
        <button class="btn">长按图片保存海报</button>
      </div>
    </div>
    <div id="posterCreateBox">
      <img class="poster1" v-if="sizeType == 2" alt="" />
      <img class="poster1_logo" v-if="sizeType == 2" src="@/assets/service/logo4.png" alt="" />
      <div class="poster2" v-else>
        <img class="logo" src="@/assets/service/logo3.png" alt="" />
        <p class="title">{{ detailData.course_name }}</p>
        <p class="des" v-if="periodArr.length > 0">{{ periodArr[0].productSceneName }}</p>
        <img class="poster2img" alt="" />
        <p class="price" v-if="periodArr.length > 0">
          活动价￥{{ periodArr[0].groupPeriodActivityList.actualPrice }}起/人<del
            >市场价¥{{ periodArr[0].groupPeriodActivityList.productPrice }}/人</del
          >
        </p>
      </div>
      <div class="bottom_box">
        <p class="text">
          <span>{{ nickName }} 邀请你参与本研学活动</span><span class="des">{{ posterLabel }}</span>
        </p>
        <div class="qrcodeBox">
          <div id="qrcode" ref="imageWrapper" v-if="!codeImgUrl"></div>
          <div class="imgBox">
            <img :src="codeImgUrl" v-if="codeImgUrl" style="width:100%;height:100%" crossorigin="anonymous" />
          </div>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
import html2canvas from 'html2canvas'
import QRCode from 'qrcodejs2' // 引入qrcode
export default {
  props: ['type', 'detailData'],
  data() {
    return {
      posterBody: '',
      posterLabel: '',
      imageUrl: '',
      sizeType: 1,
      showPoster: false,
      posterUrl: '',
      nickName: '',
      periodArr: [],
      codeImgUrl: '',
      posterLoaded: false,
    }
  },
  mounted() {
    let userInfo = sessionStorage.getItem('userInfo')
    if (userInfo) {
      this.nickName = JSON.parse(userInfo).nickName
    }
    this.getCoursePoster()
    this.getPeriod()
    this.creatQrCode()
  },
  methods: {
    // 获取海报信息
    getCoursePoster() {
      this.$toast.loading({
        message: '加载中...',
        duration: 0,
        forbidClick: true,
      })
      this.yxAxios.get(`${this.yanxueUrl}/api/Product/CoursePoster/ByCourseId?courseId=${this.detailData.id}`).then((res) => {
        if (res.data.data) {
          this.sizeType = res.data.data.sizeType
          this.posterBody = res.data.data.posterBody
          sessionStorage.setItem('posterBody', res.data.data.posterBody)
          this.posterLabel = res.data.data.posterLabel
          sessionStorage.setItem('posterLabel', res.data.data.posterLabel)
          if (this.sizeType == 1 || !res.data.data.imageUrl) {
            this.getImage(this.detailData.coverList ? this.detailData.coverList[0].cover_url : this.detailData.converUrl)
          } else {
            this.getImage(res.data.data.imageUrl) //获取到海报使用海报图片
          }
        } else {
          this.getImage(this.detailData.coverList ? this.detailData.coverList[0].cover_url : this.detailData.converUrl) //未获取到海报使用课程第一张图片
        }
        this.$toast.clear()
        this.posterLoaded = true
      })
    },

    // 获取可使用行程套餐
    getPeriod() {
      let date = this.Moment().format('YYYY-MM-DD')
      let weekOfday = this.Moment().format('E') // 计算今天是这周第几天
      // 如果为限时团购，就传星期三的日期
      if (this.$route.query.ProgramType == 1) {
        let TGMSTabActive = sessionStorage.getItem('TGMSTabActive')
        if (TGMSTabActive == 1) {
          date = this.Moment()
            .add(weekOfday == 7 ? 3 : 10 - weekOfday, 'days')
            .format('YYYY-MM-DD')
        } else {
          date = this.Moment()
            .add(weekOfday == 7 ? -4 : 3 - weekOfday, 'days')
            .format('YYYY-MM-DD')
        }
      }
      let param = {
        productId: this.detailData.id,
        state: '1',
        pageIndex: 1,
        pageSize: 999,
        date: date,
      }
      if (this.$route.query.productSceneId) {
        param.productSceneId = this.$route.query.productSceneId
      }
      if (this.$route.query.DateComboType) {
        param.DateComboType = this.$route.query.DateComboType
      }
      if (this.$route.query.ProgramType) {
        param.ProgramType = this.$route.query.ProgramType
      }
      if (this.$route.query.ZZCTCanBuy) {
        param.ZZCTCanBuy = this.$route.query.ZZCTCanBuy
      }
      this.yxAxios.post(`${this.yanxueUrl}/api/Product/ProductScene/List`, param).then((res) => {
        let data = res.data.data.data
        let periodArr = []
        for (let i in data) {
          if (data[i].groupPeriodActivityList) {
            // 如果是直通车产品，不显示常规拼团套餐
            if (this.$route.query.ProgramType && data[i].dateBindTypeName == '常规拼团') {
            } else {
              periodArr.push(data[i])
            }
          }
        }
        this.periodArr = periodArr.sort(this.sortUpDate)
        // this.periodArr = periodArr
        console.log('套餐列表:', periodArr)
      })
    },
    // 日期排序
    sortUpDate(a, b) {
      return a.groupPeriodActivityList.actualPrice - b.groupPeriodActivityList.actualPrice
    },
    handleMask() {
      this.$emit('hiddenShare')
    },
    // 复制文字生成海报
    copyTextPoster() {
      this.$toast.fail('复制成功')
      this.createPoster()
    },
    // 复制文字分享至朋友
    copyTextFriend() {
      this.$toast.fail('复制成功')
      this.$emit('showShareDes')
    },
    onError() {
      this.$toast.fail('复制失败')
    },
    // 生成海报
    createPoster() {
      this.$toast.loading({
        message: '加载中...',
        duration: 0,
        forbidClick: true,
      })
      html2canvas(document.getElementById('posterCreateBox'), {
        backgroundColor: null, //画出来的图片有白色的边框,不要可设置背景为透明色（null）
        useCORS: true, //支持图片跨域
        scale: 1, //设置放大的倍数
      }).then((canvas) => {
        this.$toast.clear()
        //截图用img元素承装，显示在页面的上
        // let img = new Image()
        // img.src = canvas.toDataURL('image/jpeg') // toDataURL :图片格式转成 base64
        // document.getElementById('posterBox').appendChild(img)
        this.posterUrl = canvas.toDataURL('image/jpeg')
        this.showPoster = true
      })
    },
    //创建qrcode
    creatQrCode() {
      let link = `https://payment.myjxt.com/center/#/abroad_detail?courseId=${this.detailData.id}&publicName=SXYX}`
      if (this.detailData.bindId || this.detailData.dateComboBindId || this.$route.query.bindId) {
        link = link + '&bindId=' + (this.detailData.bindId || this.detailData.dateComboBindId || this.$route.query.bindId)
      }
      if (sessionStorage.getItem('talentData')) {
        const talentData = JSON.parse(sessionStorage.getItem('talentData'))
        link = link + '&inviteCode=' + talentData.inviteCode
      }
      if (this.$route.query.ProgramType) {
        link = link + '&ProgramType=' + this.$route.query.ProgramType
      }
      if (this.$route.query.ZZCTCanBuy) {
        link = link + '&ZZCTCanBuy=' + this.$route.query.ZZCTCanBuy
      }
      document.getElementById('qrcode').innerHTML = ''
      this.qrcodePIc = new QRCode('qrcode', {
        text: link,
        width: 240,
        height: 240,
        colorDark: '#333333', // 二维码颜色
        colorLight: '#ffffff', // 二维码背景色
        correctLevel: QRCode.CorrectLevel.L, // 容错率，L/M/H
      })
      let canvas = document.getElementById('qrcode').innerHTML
      // console.log(canvas)
      this.canvanqrCode()
    },
    canvanqrCode() {
      html2canvas(this.$refs.imageWrapper, {
        width: 240,
        height: 240,
      }).then((canvas) => {
        let dataURL = canvas.toDataURL('image/png')
        this.codeImgUrl = dataURL
      })
    },
    getBas64(url, outputFormat = 'image/png') {
      return new Promise(function(resolve, reject) {
        let canvas = document.createElement('CANVAS'),
          ctx = canvas.getContext('2d'),
          img = new Image()

        img.crossOrigin = 'Anonymous' // 重点！设置image对象可跨域请求
        img.onload = function() {
          canvas.height = img.height
          canvas.width = img.width
          ctx.drawImage(img, 0, 0)
          let dataURL = canvas.toDataURL(outputFormat)
          canvas = null
          resolve(dataURL)
        }
        // img.src = url; // 旧的方式
        img.src = url + '?t=' + new Date().valueOf() // 防止oss的缓存问题
      })
    },
    getImage(url) {
      let that = this
      var xhr = new XMLHttpRequest()
      xhr.open('get', url, true)
      // 设置请求头（这一步得设置不然oss图片还是跨域）
      xhr.setRequestHeader('Cache-Control', 'no-cache')
      xhr.responseType = 'blob'
      xhr.onload = function() {
        if (this.status == 200) {
          if (that.sizeType == 2) {
            document.getElementsByClassName('poster1')[0].src = URL.createObjectURL(this.response)
          } else {
            document.getElementsByClassName('poster2img')[0].src = URL.createObjectURL(this.response)
          }
        }
      }
      xhr.send()
    },
  },
}
</script>
<style lang="scss">
.abroad_detail_share_box {
  width: 100%;
  height: calc(100% - 176px);
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  .content {
    width: 100%;
    height: 308px;
    position: absolute;
    bottom: 0;
    box-sizing: border-box;
    background: #fff;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
  }
  .share_img {
    display: none;
  }
  .share_text {
    font-size: 28px;
    line-height: 40px;
    height: 80px;
    color: #666;
    margin: 32px 42px;
    display: -webkit-box;
    white-space: break-spaces;
    -webkit-line-clamp: 2;
    text-overflow: ellipsis;
    overflow: hidden;
    -webkit-box-orient: vertical;
  }
  .line {
    width: 708px;
    border-bottom: 2px dashed #d1d1d1;
    margin: 0 auto;
  }
  .line2 {
    width: 100%;
    border-bottom: 2px dashed #d1d1d1;
    position: absolute;
    bottom: 0;
  }
  .share_btn_box {
    display: flex;
    justify-content: space-around;
    margin-top: 46px;
    .btn {
      font-size: 28px;
      width: 296px;
      height: 72px;
      line-height: 72px;
      border-radius: 18px;
      border: none;
    }
    .btn1 {
      background: #ecf4ff;
      color: #4092ff;
    }
    .btn2 {
      background: #e3fff1;
      color: #05b55b;
    }
  }
  #posterBox {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    .poster_content {
      width: 540px;
      height: 960px;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      margin-top: -100px;
    }
    .poster {
      width: 100%;
      user-select: auto;
      pointer-events: auto;
    }
    .btn {
      width: 448px;
      height: 84px;
      background: #4092ff;
      border-radius: 58px;
      text-align: center;
      font-size: 32px;
      color: #fff;
      line-height: 84px;
      border: none;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      margin-top: 600px;
    }
  }
  #posterCreateBox {
    // width: 540px;
    // height: 960px;
    width: 1500px;
    height: 2664px;
    background: #fff;
    position: absolute;
    top: 0;
    left: 100%;

    .poster1 {
      width: 100%;
      height: 2140px;
    }
    .poster1_logo {
      width: 500px;
      position: absolute;
      top: 50px;
      left: 50px;
    }
    .poster2 {
      .logo {
        width: 344px;
        display: block;
        margin: 0 auto;
        margin-top: 100px;
      }
      .title {
        font-size: 76px;
        font-weight: bold;
        color: #4092ff;
        text-align: center;
        margin-top: 60px;
        display: -webkit-box;
        white-space: break-spaces;
        -webkit-line-clamp: 2;
        text-overflow: ellipsis;
        overflow: hidden;
        -webkit-box-orient: vertical;
        padding: 0 50px;
        box-sizing: border-box;
      }
      .des {
        font-size: 60px;
        color: #999;
        text-align: center;
        margin-top: 24px;
      }
      .poster2img {
        width: 1392px;
        height: 1044px;
        display: block;
        margin: 0 auto;
        margin-top: 60px;
      }
      .price {
        text-align: center;
        font-size: 64px;
        color: #ff5f5f;
        margin-top: 80px;
        line-height: 88px;
        del {
          color: #999;
          font-size: 56px;
          margin-left: 8px;
        }
      }
    }
    .bottom_box {
      width: 100%;
      padding: 52px;
      display: flex;
      justify-content: space-between;
      position: absolute;
      bottom: 0;
      box-sizing: border-box;
      .text {
        font-size: 64px;
        color: #999999;
        white-space: break-spaces;
        span {
          color: #0f3853;
        }
        .des {
          display: block;
          font-size: 56px;
          color: #999;
          margin-top: 20px;
        }
      }
    }
  }
  .qrcodeBox {
    .imgBox {
      width: 380px;
      height: 380px;
    }
  }
}
.abroad_detail_share_box.type_order {
  height: 100%;
  .content {
    width: 616px;
    height: 632px;
    bottom: auto;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 20px;
    border: none;
  }
  .share_img {
    display: block;
    width: 518px;
    margin: 0 auto;
    margin-top: -90px;
  }
  .share_text {
    // padding: 0 50px;
    text-align: center;
    margin-top: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    text-overflow: ellipsis;
    overflow: hidden;
    -webkit-box-orient: vertical;
  }
  .line,
  .line2 {
    display: none;
  }

  .share_btn_box {
    margin-top: 58px;
    display: block;
    .btn {
      width: 504px;
      height: 92px;
      line-height: 88px;
      box-sizing: border-box;
      border: 2px solid #3385ff;
      display: block;
      margin: 0 auto;
      border-radius: 46px;
    }
    .btn1 {
      color: #3385ff;
      background: #fff;
    }
    .btn2 {
      color: #fff;
      background: #3385ff;
      margin-top: 24px;
    }
  }
}
</style>
