<template>
  <div class="app-container">
    <!-- 搜索工作栏 -->
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item :label="$t('文件路径')" prop="path">
        <el-input
          v-model="queryParams.path"
          :placeholder="$t('请输入文件路径')"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item :label="$t('创建时间')">
        <el-date-picker
          v-model="dateRangeCreateTime"
          style="width: 240px"
          value-format="yyyy-MM-dd"
          type="daterange"
          range-separator="-"
          start-placeholder="开始日期"
          end-placeholder="结束日期"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" @click="handleQuery">{{
          $t("搜索")
        }}</el-button>
        <el-button icon="el-icon-refresh" @click="resetQuery">{{
          $t("重置")
        }}</el-button>
      </el-form-item>
    </el-form>

    <!-- 操作工具栏 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          >{{ $t("上传文件") }}</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <!-- 列表 -->
    <el-table v-loading="loading" :data="list">
      <el-table-column :label="$t('文件名')" align="center" prop="path" />
      <el-table-column label="URL" align="center" prop="url" />
      <el-table-column
        :label="$t('文件大小')"
        align="center"
        prop="size"
        width="120"
        :formatter="sizeFormat"
      />
      <el-table-column
        :label="$t('文件类型')"
        align="center"
        prop="type"
        width="80"
      />
      <!--      <el-table-column :label="$t('文件内容')" align="center" prop="content">-->
      <!--        <template slot-scope="scope">-->
      <!--          <img v-if="scope.row.type === 'jpg' || scope.row.type === 'png' || scope.row.type === 'gif'"-->
      <!--               width="200px" :src="getFileUrl + scope.row.id">-->
      <!--          <i v-else>{{ $t('非图片，无法预览') }}</i>-->
      <!--        </template>-->
      <!--      </el-table-column>-->
      <el-table-column
        :label="$t('上传时间')"
        align="center"
        prop="createTime"
        width="180"
      >
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column
        :label="$t('操作')"
        align="center"
        class-name="small-padding fixed-width"
        width="100"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['infra:file:delete']"
            >{{ $t("删除") }}</el-button
          >
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页组件 -->
    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNo"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 对话框(添加 / 修改) -->
    <el-dialog
      :title="upload.title"
      :visible.sync="upload.open"
      width="400px"
      append-to-body
    >
      <el-upload
        ref="upload"
        :limit="1"
        accept=".jpg, .png, .gif,.apk"
        :auto-upload="false"
        drag
        :headers="upload.headers"
        :action="upload.url"
        :data="upload.data"
        :disabled="upload.isUploading"
        :on-change="handleFileChange"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">
          {{ $t("将文件拖到此处，或") }}<em>{{ $t("点击上传") }}</em>
        </div>
        <div class="el-upload__tip" style="color: red" slot="tip">
          提示：仅允许导入 jpg、png、gif 格式文件！
        </div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">{{
          $t("确 定")
        }}</el-button>
        <el-button @click="upload.open = false">{{ $t("取 消") }}</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { deleteFile, getFilePage } from "@/api/infra/file";
import { getToken } from "@/utils/auth";

export default {
  name: "File",
  data() {
    return {
      getFileUrl: process.env.VUE_APP_BASE_API + "/admin-api/infra/file/get/",
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 文件列表
      list: [],
      // 弹出层标题
      title: "",
      dateRangeCreateTime: [],
      // 查询参数
      queryParams: {
        pageNo: 1,
        pageSize: 10,
        path: null,
        type: null,
      },
      // 用户导入参数
      upload: {
        open: false, // 是否显示弹出层
        title: "", // 弹出层标题
        isUploading: false, // 是否禁用上传
        url: process.env.VUE_APP_BASE_API + "/admin-api/infra/file/upload", // 请求地址
        headers: { Authorization: "Bearer " + getToken() }, // 设置上传的请求头部
        data: {}, // 上传的额外数据，用于文件名
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询列表 */
    getList() {
      this.loading = true;
      // 处理查询参数
      let params = { ...this.queryParams };
      this.addBeginAndEndTime(params, this.dateRangeCreateTime, "createTime");
      // 执行查询
      getFilePage(params).then((response) => {
        this.list = response.data.list;
        this.total = response.data.total;
        this.loading = false;
      });
    },
    /** 取消按钮 */
    cancel() {
      this.open = false;
      this.reset();
    },
    /** 表单重置 */
    reset() {
      this.form = {
        content: undefined,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNo = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.dateRangeCreateTime = [];
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.upload.open = true;
      this.upload.title = this.$t("上传文件");
    },
    /** 处理上传的文件发生变化 */
    handleFileChange(file, fileList) {
      this.upload.data.path = file.name;
    },
    /** 处理文件上传中 */
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true; // 禁止修改
    },
    /** 发起文件上传 */
    submitFileForm() {
      this.$refs.upload.submit();
    },
    /** 文件上传成功处理 */
    handleFileSuccess(response, file, fileList) {
      // 清理
      this.upload.open = false;
      this.upload.isUploading = false;
      this.$refs.upload.clearFiles();
      // 提示成功，并刷新
      this.$modal.msgSuccess("上传成功");
      this.getList();
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const id = row.id;
      this.$modal
        .confirm('是否确认删除文件编号为"' + id + '"的数据项?')
        .then(function () {
          return deleteFile(id);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    // 用户昵称展示
    sizeFormat(row, column) {
      const unitArr = ["Bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
      const srcSize = parseFloat(row.size);
      const index = Math.floor(Math.log(srcSize) / Math.log(1024));
      let size = srcSize / Math.pow(1024, index);
      size = size.toFixed(2); //保留的小数位数
      return size + " " + unitArr[index];
    },
  },
};
</script>