<template>
  <div class="app-container" style="padding: 8px;">
    <!--工具栏-->
    <div class="head-container">
      <!-- 搜索 -->
      <el-input v-model="query.blurry" clearable size="small" placeholder="输入内容模糊搜索" style="width: 200px;" class="filter-item" @keyup.enter.native="toQuery" />
      <el-date-picker
        v-model="query.createTime"
        :default-time="['00:00:00','23:59:59']"
        type="daterange"
        range-separator=":"
        size="small"
        class="date-item"
        value-format="yyyy-MM-dd HH:mm:ss"
        start-placeholder="开始日期"
        end-placeholder="结束日期"
      />
      <el-button class="filter-item" size="mini" type="success" icon="el-icon-search" @click="toQuery">搜索</el-button>
      <!-- 新增 -->
      <el-button
        v-permission="['admin','storage:add']"
        class="filter-item"
        size="mini"
        type="primary"
        icon="el-icon-upload"
        @click="showAddFormDialog"
      >文件上传
      </el-button>
      <!-- 多选删除 -->
      <el-button
        v-permission="['admin','storage:del']"
        :loading="delAllLoading"
        :disabled="data.length === 0 || $refs.table.selection.length === 0"
        class="filter-item"
        size="mini"
        type="danger"
        icon="el-icon-delete"
        @click="beforeDelAllMethod"
      >删除
      </el-button>
      <!-- 导出 -->
      <el-button
        :loading="downloadLoading"
        size="mini"
        class="filter-item"
        type="warning"
        icon="el-icon-download"
        @click="downloadMethod"
      >导出</el-button>
    </div>
    <!--表单组件-->
    <el-dialog append-to-body :close-on-click-modal="false" :before-close="cancel" :visible.sync="dialog" :title="getFormTitle()" width="500px">
      <el-form ref="form" :model="form" size="small" label-width="80px">
        <el-form-item label="文件名">
          <el-input v-model="form.name" style="width: 370px;" />
        </el-form-item>
        <!--   上传文件   -->
        <el-form-item v-if="isAdd" label="上传">
          <el-upload
            ref="upload"
            :limit="1"
            :before-upload="beforeUpload"
            :auto-upload="false"
            :headers="headers"
            :on-success="handleSuccess"
            :on-error="handleError"
            :action="fileUploadApi + '?name=' + form.name"
          >
            <div class="eladmin-upload"><i class="el-icon-upload" /> 添加文件</div>
            <div slot="tip" class="el-upload__tip">可上传任意格式文件，且不超过100M</div>
          </el-upload>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="text" @click="cancel">取消</el-button>
        <el-button :loading="loading" type="primary" @click="submitMethod">确认</el-button>
      </div>
    </el-dialog>
    <!--表格渲染-->
    <el-table ref="table" v-loading="loading" :data="data" style="width: 100%;">
      <el-table-column type="selection" width="55" />
      <el-table-column prop="name" width="150px" label="文件名">
        <template slot-scope="scope">
          <el-popover
            :content="'file/' + scope.row.type + '/' + scope.row.realName"
            placement="top-start"
            title="路径"
            width="200"
            trigger="hover"
          >
            <a
              slot="reference"
              :href="baseApi + '/file/' + scope.row.type + '/' + scope.row.realName"
              class="el-link--primary"
              style="word-break:keep-all;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color: #1890ff;font-size: 13px;"
              target="_blank"
            >
              {{ scope.row.name }}
            </a>
          </el-popover>
        </template>
      </el-table-column>
      <el-table-column prop="path" label="预览图">
        <template slot-scope="{row}">
          <el-image
            :src=" baseApi + '/file/' + row.type + '/' + row.realName"
            :preview-src-list="[baseApi + '/file/' + row.type + '/' + row.realName]"
            fit="contain"
            lazy
            class="el-avatar"
          >
            <div slot="error">
              <i class="el-icon-document" />
            </div>
          </el-image>
        </template>
      </el-table-column>
      <el-table-column prop="suffix" label="文件类型" />
      <el-table-column prop="type" label="类别" />
      <el-table-column prop="size" label="大小" />
      <el-table-column prop="operate" label="操作人" />
      <el-table-column prop="createTime" label="创建日期">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column v-if="checkPermission(['admin','storage:edit','storage:del'])" label="操作" width="150px" align="center">
        <template slot-scope="scope">
          <el-button v-permission="['admin','storage:edit']" size="mini" type="primary" icon="el-icon-edit" @click="showEditFormDialog(scope.row)" />
          <el-popover
            :ref="scope.row.id"
            v-permission="['admin','storage:del']"
            placement="top"
            width="180"
          >
            <p>确定删除本条数据吗？</p>
            <div style="text-align: right; margin: 0">
              <el-button size="mini" type="text" @click="$refs[scope.row.id].doClose()">取消</el-button>
              <el-button :loading="delLoading" type="primary" size="mini" @click="delMethod(scope.row.id)">确定
              </el-button>
            </div>
            <el-button slot="reference" type="danger" icon="el-icon-delete" size="mini" />
          </el-popover>
        </template>
      </el-table-column>
    </el-table>
    <!--分页组件-->
    <el-pagination
      :total="total"
      :current-page="page + 1"
      style="margin-top: 8px;"
      layout="total, prev, pager, next, sizes"
      @size-change="sizeChange"
      @current-change="pageChange"
    />
  </div>
</template>

<script>
import { mapGetters } from 'vuex'
import { getToken } from '@/utils/auth'
import crud from '@/mixins/crud'
import crudFile from '@/api/tools/localStorage'
export default {
  mixins: [crud],
  data() {
    return {
      title: '文件',
      crudMethod: { ...crudFile },
      delAllLoading: false,
      headers: { 'Authorization': getToken() },
      form: { id: null, name: null }
    }
  },
  computed: {
    ...mapGetters([
      'baseApi',
      'fileUploadApi'
    ])
  },
  created() {
    this.$nextTick(() => {
      this.init()
    })
  },
  methods: {
    // 获取数据前设置好接口地址
    beforeInit() {
      this.url = 'api/localStorage'
      return true
    },
    // 上传文件
    addMethod() {
      this.$refs.upload.submit()
    },
    beforeUpload(file) {
      let isLt2M = true
      isLt2M = file.size / 1024 / 1024 < 100
      if (!isLt2M) {
        this.$message.error('上传文件大小不能超过 100MB!')
      }
      this.loading = false
      return isLt2M
    },
    handleSuccess(response, file, fileList) {
      this.dialog = false
      this.cancel()
      this.$refs.upload.clearFiles()
      this.init()
    },
    // 监听上传失败
    handleError(e, file, fileList) {
      const msg = JSON.parse(e.message)
      this.$notify({
        title: msg.message,
        type: 'error',
        duration: 2500
      })
      this.loading = false
    }
  }
}
</script>

<style scoped>
  /deep/ .el-image__error, .el-image__placeholder{
    background: none;
  }
</style>
