<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="120px">
      <el-form-item label="身份证号" prop="personId">
        <el-input
          v-model="queryParams.personId"
          placeholder="请输入身份证号"
          clearable
          style="width: 240px"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="统一社会信用代码" prop="socialCreditCode">
        <el-input
          v-model="queryParams.socialCreditCode"
          placeholder="请输入统一社会信用代码"
          clearable
          style="width: 240px"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="企业名称" prop="enterpriseName">
        <el-input
          v-model="queryParams.enterpriseName"
          placeholder="请输入企业名称"
          clearable
          style="width: 240px"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态" clearable style="width: 240px">
          <el-option label="有效" :value="1" />
          <el-option label="无效" :value="0" />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['ccdi:custEnterpriseRelation:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-upload2"
          size="mini"
          @click="handleImport"
          v-hasPermi="['ccdi:custEnterpriseRelation:import']"
        >导入</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['ccdi:custEnterpriseRelation:export']"
        >导出</el-button>
      </el-col>
      <el-col :span="1.5" v-if="showFailureButton">
        <el-tooltip
          :content="getLastImportTooltip()"
          placement="top"
        >
          <el-button
            type="warning"
            plain
            icon="el-icon-warning"
            size="mini"
            @click="viewImportFailures"
          >查看导入失败记录</el-button>
        </el-tooltip>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="relationList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="身份证号" align="center" prop="personId" width="180" :show-overflow-tooltip="true"/>
      <el-table-column label="企业名称" align="center" prop="enterpriseName" :show-overflow-tooltip="true"/>
      <el-table-column label="关联人在企业的职务" align="center" prop="relationPersonPost" width="150" :show-overflow-tooltip="true"/>
      <el-table-column label="状态" align="center" prop="status" width="100">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.ccdi_relation_status" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column label="数据来源" align="center" prop="dataSource" width="120">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.ccdi_data_source" :value="scope.row.dataSource"/>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="200">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-view"
            @click="handleDetail(scope.row)"
            v-hasPermi="['ccdi:custEnterpriseRelation:query']"
          >详情</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['ccdi:custEnterpriseRelation:edit']"
          >编辑</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['ccdi:custEnterpriseRelation:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="160px">
        <el-row :gutter="16">
          <el-col :span="24">
            <el-form-item label="身份证号" prop="personId">
              <el-input
                v-model="form.personId"
                placeholder="请输入18位身份证号"
                maxlength="18"
                :disabled="!isAdd"
                style="width: 100%"
              />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row :gutter="16">
          <el-col :span="12">
            <el-form-item label="统一社会信用代码" prop="socialCreditCode">
              <el-input v-model="form.socialCreditCode" placeholder="请输入18位统一社会信用代码" maxlength="18" :disabled="!isAdd" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="企业名称" prop="enterpriseName">
              <el-input v-model="form.enterpriseName" placeholder="请输入企业名称" maxlength="200" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row :gutter="16">
          <el-col :span="12">
            <el-form-item label="关联人在企业的职务" prop="relationPersonPost">
              <el-input v-model="form.relationPersonPost" placeholder="请输入职务" maxlength="100" />
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="!isAdd">
            <el-form-item label="状态" prop="status">
              <el-select v-model="form.status" placeholder="请选择状态">
                <el-option label="有效" :value="1" />
                <el-option label="无效" :value="0" />
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row :gutter="16">
          <el-col :span="24">
            <el-form-item label="补充说明" prop="remark">
              <el-input v-model="form.remark" type="textarea" :rows="3" placeholder="请输入补充说明" />
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="cancel">取消</el-button>
        <el-button type="primary" @click="submitForm">确定</el-button>
      </div>
    </el-dialog>

    <!-- 详情对话框 -->
    <el-dialog title="信贷客户实体关联详情" :visible.sync="detailOpen" width="900px" append-to-body>
      <div class="detail-container">
        <el-divider content-position="left">基本信息</el-divider>
        <el-descriptions :column="2" border>
          <el-descriptions-item label="身份证号">{{ relationDetail.personId || '-' }}</el-descriptions-item>
          <el-descriptions-item label="统一社会信用代码">{{ relationDetail.socialCreditCode || '-' }}</el-descriptions-item>
          <el-descriptions-item label="企业名称" :span="2">{{ relationDetail.enterpriseName || '-' }}</el-descriptions-item>
          <el-descriptions-item label="关联人在企业的职务">{{ relationDetail.relationPersonPost || '-' }}</el-descriptions-item>
          <el-descriptions-item label="状态">
            <dict-tag :options="dict.type.ccdi_relation_status" :value="relationDetail.status"/>
          </el-descriptions-item>
          <el-descriptions-item label="数据来源">
            <dict-tag :options="dict.type.ccdi_data_source" :value="relationDetail.dataSource"/>
          </el-descriptions-item>
        </el-descriptions>

        <el-divider content-position="left">补充信息</el-divider>
        <el-descriptions :column="1" border>
          <el-descriptions-item label="补充说明">{{ relationDetail.remark || '-' }}</el-descriptions-item>
        </el-descriptions>

        <el-divider content-position="left">审计信息</el-divider>
        <el-descriptions :column="2" border>
          <el-descriptions-item label="创建时间">
            {{ relationDetail.createTime ? parseTime(relationDetail.createTime) : '-' }}
          </el-descriptions-item>
          <el-descriptions-item label="创建人">{{ relationDetail.createdBy || '-' }}</el-descriptions-item>
          <el-descriptions-item label="更新时间">
            {{ relationDetail.updateTime ? parseTime(relationDetail.updateTime) : '-' }}
          </el-descriptions-item>
          <el-descriptions-item label="更新人">{{ relationDetail.updatedBy || '-' }}</el-descriptions-item>
        </el-descriptions>
      </div>
      <div slot="footer" class="dialog-footer">
        <el-button @click="detailOpen = false" icon="el-icon-close">关 闭</el-button>
      </div>
    </el-dialog>

    <!-- 导入对话框 -->
    <el-dialog
      :title="upload.title"
      :visible.sync="upload.open"
      width="400px"
      append-to-body
      @close="handleImportDialogClose"
    >
      <el-upload
        ref="upload"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="upload.headers"
        :action="upload.url"
        :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        <div class="el-upload__tip" slot="tip">
          <el-link type="primary" :underline="false" style="font-size: 12px; vertical-align: baseline;" @click="importTemplate">下载模板</el-link>
        </div>
        <div class="el-upload__tip" slot="tip">
          <span>仅允许导入"xls"或"xlsx"格式文件。</span>
        </div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm" :loading="upload.isUploading">确 定</el-button>
        <el-button @click="upload.open = false" :disabled="upload.isUploading">取 消</el-button>
      </div>
    </el-dialog>

    <!-- 导入结果对话框 -->
    <import-result-dialog
      :visible.sync="importResultVisible"
      :content="importResultContent"
      title="导入结果"
      @close="handleImportResultClose"
    />

    <!-- 导入失败记录对话框 -->
    <el-dialog
      title="导入失败记录"
      :visible.sync="failureDialogVisible"
      width="1200px"
      append-to-body
    >
      <el-alert
        v-if="lastImportInfo"
        :title="lastImportInfo"
        type="info"
        :closable="false"
        style="margin-bottom: 15px"
      />

      <el-table :data="failureList" v-loading="failureLoading">
        <el-table-column label="身份证号" prop="personId" align="center" width="180" />
        <el-table-column label="企业名称" prop="enterpriseName" align="center" :show-overflow-tooltip="true"/>
        <el-table-column label="统一社会信用代码" prop="socialCreditCode" align="center" width="180" :show-overflow-tooltip="true"/>
        <el-table-column label="失败原因" prop="errorMessage" align="center" min-width="200" :show-overflow-tooltip="true" />
      </el-table>

      <pagination
        v-show="failureTotal > 0"
        :total="failureTotal"
        :page.sync="failureQueryParams.pageNum"
        :limit.sync="failureQueryParams.pageSize"
        @pagination="getFailureList"
      />

      <div slot="footer" class="dialog-footer">
        <el-button @click="failureDialogVisible = false">关闭</el-button>
        <el-button type="danger" plain @click="clearImportHistory">清除历史记录</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  addRelation,
  delRelation,
  getImportFailures,
  getImportStatus,
  getRelation,
  listRelation,
  updateRelation
} from "@/api/ccdiCustEnterpriseRelation";
import {getToken} from "@/utils/auth";
import ImportResultDialog from "@/components/ImportResultDialog.vue";

export default {
  name: "CustEnterpriseRelation",
  dicts: ['ccdi_relation_status', 'ccdi_data_source'],
  components: { ImportResultDialog },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 信贷客户实体关联表格数据
      relationList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否显示详情弹出层
      detailOpen: false,
      // 信贷客户实体关联详情
      relationDetail: {},
      // 是否为新增操作
      isAdd: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        personId: null,
        socialCreditCode: null,
        enterpriseName: null,
        status: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        personId: [
          { required: true, message: "身份证号不能为空", trigger: "blur" },
          { pattern: /^[1-9]\d{5}(18|19|20)\d{2}((0[1-9])|(1[0-2]))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/, message: "请输入正确的18位身份证号", trigger: "blur" }
        ],
        socialCreditCode: [
          { required: true, message: "统一社会信用代码不能为空", trigger: "blur" },
          { pattern: /^[0-9A-HJ-NPQRTUWXY]{2}\d{6}[0-9A-HJ-NPQRTUWXY]{10}$/, message: "请输入正确的18位统一社会信用代码", trigger: "blur" }
        ],
        enterpriseName: [
          { required: true, message: "企业名称不能为空", trigger: "blur" },
          { max: 200, message: "企业名称长度不能超过200个字符", trigger: "blur" }
        ],
        relationPersonPost: [
          { max: 100, message: "职务长度不能超过100个字符", trigger: "blur" }
        ],
        status: [
          { required: true, message: "状态不能为空", trigger: "change" }
        ],
        remark: [
          { max: 500, message: "补充说明长度不能超过500个字符", trigger: "blur" }
        ]
      },
      // 导入参数
      upload: {
        // 是否显示弹出层
        open: false,
        // 弹出层标题
        title: "",
        // 是否禁用上传
        isUploading: false,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/ccdi/custEnterpriseRelation/importData"
      },
      // 导入结果弹窗
      importResultVisible: false,
      importResultContent: "",
      // 导入轮询定时器
      importPollingTimer: null,
      // 是否显示查看失败记录按钮
      showFailureButton: false,
      // 当前导入任务ID
      currentTaskId: null,
      // 失败记录对话框
      failureDialogVisible: false,
      failureList: [],
      failureLoading: false,
      failureTotal: 0,
      failureQueryParams: {
        pageNum: 1,
        pageSize: 10
      }
    };
  },
  computed: {
    /**
     * 上次导入信息摘要
     */
    lastImportInfo() {
      const savedTask = this.getImportTaskFromStorage();
      if (savedTask && savedTask.totalCount) {
        return `导入时间: ${this.parseTime(savedTask.saveTime)} | 总数: ${savedTask.totalCount}条 | 成功: ${savedTask.successCount}条 | 失败: ${savedTask.failureCount}条`;
      }
      return '';
    }
  },
  created() {
    this.getList();
    this.restoreImportState();
  },
  beforeDestroy() {
    // 清理定时器
    if (this.importPollingTimer) {
      clearInterval(this.importPollingTimer);
      this.importPollingTimer = null;
    }
  },
  methods: {
    /** 查询信贷客户实体关联列表 */
    getList() {
      this.loading = true;
      listRelation(this.queryParams).then(response => {
        this.relationList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        personId: null,
        relationPersonPost: null,
        socialCreditCode: null,
        enterpriseName: null,
        status: 1,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 多选框选中数据 */
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加信贷客户实体关联";
      this.isAdd = true;
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids[0];
      getRelation(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改信贷客户实体关联";
        this.isAdd = false;
      });
    },
    /** 详情按钮操作 */
    handleDetail(row) {
      const id = row.id;
      getRelation(id).then(response => {
        this.relationDetail = response.data;
        this.detailOpen = true;
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.isAdd) {
            addRelation(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          } else {
            updateRelation(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除数据项？').then(function() {
        return delRelation(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('ccdi/custEnterpriseRelation/export', {
        ...this.queryParams
      }, `信贷客户实体关联_${new Date().getTime()}.xlsx`);
    },
    /** 导入按钮操作 */
    handleImport() {
      this.upload.title = "信贷客户实体关联数据导入";
      this.upload.open = true;
    },
    /** 下载模板操作 */
    importTemplate() {
      this.download('ccdi/custEnterpriseRelation/importTemplate', {}, `信贷客户实体关联导入模板_${new Date().getTime()}.xlsx`);
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true;
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.upload.isUploading = false;
      this.upload.open = false;

      if (response.code === 200) {
        if (!response.data || !response.data.taskId) {
          this.$modal.msgError('导入任务创建失败:缺少任务ID');
          this.upload.isUploading = false;
          this.upload.open = true;
          return;
        }

        const taskId = response.data.taskId;

        // 清除旧的轮询定时器
        if (this.importPollingTimer) {
          clearInterval(this.importPollingTimer);
          this.importPollingTimer = null;
        }

        this.clearImportTaskFromStorage();

        // 保存新任务的初始状态
        this.saveImportTaskToStorage({
          taskId: taskId,
          status: 'PROCESSING',
          timestamp: Date.now(),
          hasFailures: false
        });

        // 重置状态
        this.showFailureButton = false;
        this.currentTaskId = taskId;

        // 显示后台处理提示
        this.$notify({
          title: '导入任务已提交',
          message: '正在后台处理中,处理完成后将通知您',
          type: 'info',
          duration: 3000
        });

        // 开始轮询检查状态
        this.startImportStatusPolling(taskId);
      } else {
        this.$modal.msgError(response.msg);
      }
    },
    /** 开始轮询导入状态 */
    startImportStatusPolling(taskId) {
      let pollCount = 0;
      const maxPolls = 150;

      this.importPollingTimer = setInterval(async () => {
        try {
          pollCount++;

          if (pollCount > maxPolls) {
            clearInterval(this.importPollingTimer);
            this.$modal.msgWarning('导入任务处理超时,请联系管理员');
            return;
          }

          const response = await getImportStatus(taskId);

          if (response.data && response.data.status !== 'PROCESSING') {
            clearInterval(this.importPollingTimer);
            this.handleImportComplete(response.data);
          }
        } catch (error) {
          clearInterval(this.importPollingTimer);
          this.$modal.msgError('查询导入状态失败: ' + error.message);
        }
      }, 2000);
    },
    /** 查询失败记录列表 */
    getFailureList() {
      this.failureLoading = true;
      getImportFailures(
        this.currentTaskId,
        this.failureQueryParams.pageNum,
        this.failureQueryParams.pageSize
      ).then(response => {
        this.failureList = response.rows;
        this.failureTotal = response.total;
        this.failureLoading = false;
      }).catch(error => {
        this.failureLoading = false;

        if (error.response) {
          const status = error.response.status;

          if (status === 404) {
            this.$modal.msgWarning('导入记录已过期,无法查看失败记录');
            this.clearImportTaskFromStorage();
            this.showFailureButton = false;
            this.currentTaskId = null;
            this.failureDialogVisible = false;
          } else if (status === 500) {
            this.$modal.msgError('服务器错误,请稍后重试');
          } else {
            this.$modal.msgError(`查询失败: ${error.response.data.msg || '未知错误'}`);
          }
        } else if (error.request) {
          this.$modal.msgError('网络连接失败,请检查网络');
        } else {
          this.$modal.msgError('查询失败记录失败: ' + error.message);
        }
      });
    },
    /** 查看导入失败记录 */
    viewImportFailures() {
      this.failureDialogVisible = true;
      this.getFailureList();
    },
    /** 处理导入完成 */
    handleImportComplete(statusResult) {
      this.saveImportTaskToStorage({
        taskId: statusResult.taskId,
        status: statusResult.status,
        hasFailures: statusResult.failureCount > 0,
        totalCount: statusResult.totalCount,
        successCount: statusResult.successCount,
        failureCount: statusResult.failureCount
      });

      if (statusResult.status === 'SUCCESS') {
        this.$notify({
          title: '导入完成',
          message: `全部成功!共导入${statusResult.totalCount}条数据`,
          type: 'success',
          duration: 5000
        });
        this.showFailureButton = false;
        this.getList();
      } else if (statusResult.failureCount > 0) {
        this.$notify({
          title: '导入完成',
          message: `成功${statusResult.successCount}条,失败${statusResult.failureCount}条`,
          type: 'warning',
          duration: 5000
        });

        this.showFailureButton = true;
        this.currentTaskId = statusResult.taskId;

        this.getList();
      }
    },
    // 导入结果弹窗关闭
    handleImportResultClose() {
      this.importResultVisible = false;
      this.importResultContent = "";
    },
    // 提交上传文件
    submitFileForm() {
      this.$refs.upload.submit();
    },
    // 关闭导入对话框
    handleImportDialogClose() {
      this.upload.isUploading = false;
      this.$refs.upload.clearFiles();
    },
    /**
     * 恢复导入状态
     */
    restoreImportState() {
      const savedTask = this.getImportTaskFromStorage();

      if (!savedTask) {
        this.showFailureButton = false;
        this.currentTaskId = null;
        return;
      }

      if (savedTask.hasFailures && savedTask.taskId) {
        this.currentTaskId = savedTask.taskId;
        this.showFailureButton = true;
      }
    },
    /**
     * 获取上次导入的提示信息
     */
    getLastImportTooltip() {
      const savedTask = this.getImportTaskFromStorage();
      if (savedTask && savedTask.saveTime) {
        const date = new Date(savedTask.saveTime);
        const timeStr = this.parseTime(date, '{y}-{m}-{d} {h}:{i}');
        return `上次导入: ${timeStr}`;
      }
      return '';
    },
    /**
     * 保存导入任务到localStorage
     */
    saveImportTaskToStorage(taskData) {
      try {
        const data = {
          ...taskData,
          saveTime: Date.now()
        };
        localStorage.setItem('cust_enterprise_relation_import_last_task', JSON.stringify(data));
      } catch (error) {
        console.error('保存导入任务状态失败:', error);
      }
    },
    /**
     * 从localStorage读取导入任务
     */
    getImportTaskFromStorage() {
      try {
        const data = localStorage.getItem('cust_enterprise_relation_import_last_task');
        if (!data) return null;

        const task = JSON.parse(data);

        if (!task || !task.taskId) {
          this.clearImportTaskFromStorage();
          return null;
        }

        if (task.saveTime && typeof task.saveTime !== 'number') {
          this.clearImportTaskFromStorage();
          return null;
        }

        // 过期检查(7天)
        const sevenDays = 7 * 24 * 60 * 60 * 1000;
        if (Date.now() - task.saveTime > sevenDays) {
          this.clearImportTaskFromStorage();
          return null;
        }

        return task;
      } catch (error) {
        console.error('读取导入任务状态失败:', error);
        this.clearImportTaskFromStorage();
        return null;
      }
    },
    /**
     * 清除导入历史记录
     */
    clearImportHistory() {
      this.$confirm('确认清除上次导入记录?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.clearImportTaskFromStorage();
        this.showFailureButton = false;
        this.currentTaskId = null;
        this.failureDialogVisible = false;
        this.$message.success('已清除');
      }).catch(() => {});
    },
    /**
     * 清除localStorage中的导入任务
     */
    clearImportTaskFromStorage() {
      try {
        localStorage.removeItem('cust_enterprise_relation_import_last_task');
      } catch (error) {
        console.error('清除导入任务状态失败:', error);
      }
    }
  }
};
</script>

<style scoped>
.detail-container {
  padding: 0 20px;
}

.el-divider {
  margin: 16px 0;
}
</style>
