<template>
  <el-dialog :visible.sync="visible" :title="!dataForm.id ? $t('add') : $t('update')" :close-on-click-modal="false" :close-on-press-escape="false">
    <el-form :model="dataForm" :rules="dataRule" ref="dataForm" @keyup.enter.native="dataFormSubmitHandle()" :label-width="$i18n.locale === 'en-US' ? '200px' : '120px'">
          <el-form-item label="标题" prop="title">
          <el-input v-model="dataForm.title" placeholder="标题" maxlength="30" show-word-limit></el-input>
      </el-form-item>
      <el-row>
        <el-form-item label="banner图片"
                      v-loading="loading"
                      prop="bannerImg">
          <el-upload class="avatar-uploader"
                     :action="uploadUrl"
                     :show-file-list="false"
                     :on-success="handleAvatarActSuccess"
                     :on-error="handelError"
                     :before-upload="beforeAvatarUpload">
            <img v-if="dataForm.bannerImg"
                 :src="dataForm.bannerImg"
                 class="avatar">
            <i v-else
               class="el-icon-plus avatar-uploader-icon"></i>
            <div slot="tip"
                 class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div>
          </el-upload>
        </el-form-item>
      </el-row>
          <el-form-item label="排序" prop="sort">
          <el-input-number v-model="dataForm.sort" :min="0" :max="4"></el-input-number>
      </el-form-item>
      </el-form>
    <template slot="footer">
      <el-button @click="visible = false">{{ $t('cancel') }}</el-button>
      <el-button type="primary" @click="dataFormSubmitHandle()">{{ $t('confirm') }}</el-button>
    </template>
  </el-dialog>
</template>

<script>
import debounce from 'lodash/debounce'
import Cookies from 'js-cookie'
export default {
  data () {
    return {
      visible: false,
      dataForm: {
        id: '',
        actId: '',
        title: '',
        bannerImg: '',
        bannerType: '',
        url: '',
        status: 1, // 默认上架
        statusTime: '',
        bannerPosition: 0, // banner位置 0-顶部  默认顶部
        browseNum: '',
        deptId: '',
        revision: '',
        delFlag: '',
        createdBy: '',
        createdTime: '',
        updatedBy: '',
        updatedTime: '',
        sort: 0
      },
      // 图片
      loading: false,
      uploadUrl: ''
    }
  },
  computed: {
    dataRule () {
      return {
        title: [
          { required: true, message: this.$t('validate.required'), trigger: 'blur' }
        ],
        bannerImg: [
          { required: true, message: this.$t('validate.required'), trigger: 'blur' }
        ],
        sort: [
          { required: true, message: this.$t('validate.required'), trigger: 'blur' }
        ]
      }
    }
  },
  created () {
    this.uploadUrl = `${window.SITE_CONFIG['apiURL']}/oss/file/upload?token=${Cookies.get('token')}`
    this.dataForm.bannerImg = ''
  },
  methods: {
    init () {
      this.visible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].resetFields()
        if (this.dataForm.id) {
          this.getInfo()
        }
      })
    },
    // 获取信息
    getInfo () {
      this.$http.get(`/heart/actbanner/${this.dataForm.id}`).then(({ data: res }) => {
        if (res.code !== 0) {
          return this.$message.error(res.msg)
        }
        this.dataForm = {
          ...this.dataForm,
          ...res.data
        }
      }).catch(() => {})
    },
    handleAvatarActSuccess (res, file) {
      this.loading = false
      this.dataForm.bannerImg = res.data.url
    },
    beforeAvatarUpload (file) {
      this.loading = true
    },
    handelError () {
      this.loading = false
    },
    // 表单提交
    dataFormSubmitHandle: debounce(function () {
      this.$refs['dataForm'].validate((valid) => {
        if (!valid) {
          return false
        }
        this.dataForm.statusTime = new Date()
        this.$http[!this.dataForm.id ? 'post' : 'put']('/heart/actbanner/', this.dataForm).then(({ data: res }) => {
          if (res.code !== 0) {
            return this.$message.error(res.msg)
          }
          this.$message({
            message: this.$t('prompt.success'),
            type: 'success',
            duration: 500,
            onClose: () => {
              this.visible = false
              this.$emit('refreshDataList')
            }
          })
        }).catch(() => {})
      })
    }, 1000, { 'leading': true, 'trailing': false })
  }
}
</script>
<style>
  .avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409eff;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
  }
  .avatar {
    width: 178px;
    height: 178px;
    display: block;
  }
  </style>
