<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="策略名称" prop="strategyName">
        <el-input
          v-model="queryParams.strategyName"
          placeholder="请输入策略名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="策略类型" prop="strategyType">
        <el-select v-model="queryParams.strategyType" placeholder="请选择策略类型" clearable>
          <el-option
            v-for="dict in dict.type.gateway_strategy_type"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="策略状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择策略状态" clearable>
          <el-option
            v-for="dict in dict.type.gateway_data_status"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="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-date-picker>
      </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="['gateway:strategy:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="multiple"
          @click="handleStatus()"
          v-hasPermi="['gateway:strategy:edit']"
        >批量启用</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['gateway:strategy:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['gateway:strategy:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="strategyList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="策略ID" width="60" align="center" prop="id" />
      <el-table-column label="策略类型" width="120" align="center" prop="strategyType">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.gateway_strategy_type" :value="scope.row.strategyType"/>
        </template>
      </el-table-column>
      <el-table-column label="策略名称" align="left" show-overflow-tooltip prop="strategyName" />
      <el-table-column label="策略描述" align="left" show-overflow-tooltip prop="description" />
      <!-- <el-table-column label="请求方式" align="center" prop="requestMethod" /> -->
      <el-table-column label="策略状态" width="80" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.gateway_data_status" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime" width="100">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="更新时间" align="center" prop="updateTime" width="100">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.updateTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" width="150" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleStatus(scope.row)"
            v-hasPermi="['gateway:strategy:edit']"
          >{{scope.row === '0' ? '启用' : '禁用' }}</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['gateway:strategy:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['gateway:strategy: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"
    />

    <!-- 添加或修改策略管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" :validate-on-rule-change="false" label-width="100px">
        <el-form-item label="策略类型" prop="strategyType">
          <el-radio-group v-model="form.strategyType" @input="strategyTypeChange">
            <el-radio
              v-for="dict in dict.type.gateway_strategy_type"
              :key="dict.value"
              :label="dict.value"
            >{{dict.label}}</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="策略名称" prop="strategyName">
          <el-input v-model="form.strategyName" clearable placeholder="描述性的名称，用于识别和管理该策略" />
        </el-form-item>
        <el-form-item label="策略描述" prop="description">
          <el-input v-model="form.description" placeholder="请输入策略描述" />
        </el-form-item>

        <!-- 认证策略 -->
        <template v-if="form.strategyType === 'AUTHENTICATION'">
          <!-- 缺 认证方式 -->
          <!-- 缺 认证配置 针对选定的认证方式，需要相应的配置信息，如秘钥、证书、令牌有效期等 -->
          <!-- 缺 生效范围 -->
        </template>
        <!-- 认证策略 -->

        <!-- 鉴权策略 -->
        <template v-if="form.strategyType === 'PERMISSION'">
          <!-- 缺 角色授权 指定用户或角色是否具有访问接口或资源的权限-->
          <!-- 缺 角色列表 指定哪些角色拥有访问接口或资源的权限-->
          <!-- 缺 用户ID 标识请求中的用户身份信息-->
          <!-- 缺 IP地址 允许访问接口或资源的IP地址范围，限制请求来源-->
          <el-form-item label="请求方法" prop="requestMethod">
            <el-radio-group v-model="form.requestMethod">
              <el-radio
                v-for="dict in dict.type.http_request_method"
                :key="dict.value"
                :label="dict.value"
              >{{dict.label}}</el-radio>
            </el-radio-group>
          </el-form-item>
          <!-- 缺 请求路劲 允许访问的接口路劲或URL -->
          <!-- 缺 访问频率限制 设置允许用户或角色在一定时间内访问接口的次数限制 -->
          <!-- 缺 访问时间限制 允许用户或者角色访问接口的时间段 -->
          <!-- 缺 访问来源 访问接口的来源 -->
          <!-- 缺 有限期 -->
          <!-- 缺 授权范围 指定用户或角色 -->
        </template>
        <!-- 鉴权策略 -->

        <!-- 限流策略 -->
        <template v-if="form.strategyType == 'CURRENT_LIMITING'">
          <el-form-item label="限流算法" prop="currentLimitingAlgorithm">
            <el-input v-model="form.currentLimitingAlgorithm" placeholder="选择具体的限流算法，如令牌桶算法、楼桶算法、计数器算法等" />
          </el-form-item>
          <el-form-item label="限流阈值" prop="currentLimitingThreshold">
            <el-input v-model="form.currentLimitingThreshold" placeholder="设置限流的预制，即允许通过的请求次数或者并发连接数" />
          </el-form-item>
          <el-form-item label="限流周期" prop="currentLimitingPeriod">
            <el-input v-model="form.currentLimitingPeriod" placeholder="设置限流的时间周期，如每秒限流、没分钟限流等" />
          </el-form-item>
          <!-- 缺 生效范围 -->
          <el-form-item label="限流处理方式" prop="currentLimitingProcessingMethod">
            <el-input v-model="form.currentLimitingProcessingMethod" placeholder="请输入限流处理方式" />
          </el-form-item>
          <!-- 缺 超限处理策略 -->
          <!-- 缺 监控和警告 -->
          <!-- 缺 限流日志 -->
        </template>
        <!-- 限流策略 -->

        <!-- 数据加密策略 -->
        <template v-if="form.strategyType == 'DATA_ENCRYPTION'">
          <el-form-item label="状态" prop="status">
            <el-radio-group v-model="form.status">
              <el-radio
                v-for="dict in dict.type.gateway_data_status"
                :key="dict.value"
                :label="dict.value"
              >{{dict.label}}</el-radio>
            </el-radio-group>
          </el-form-item>
          <el-form-item label="加密算法" prop="encryptionAlgorithm">
            <el-radio-group v-model="form.encryptionAlgorithm" @input="changeEncryptionAlgorithm">
              <!-- ECC、RSA、SM2（国密） -->
              <el-radio label="ECC">ECC</el-radio>
              <el-radio label="RSA">RSA</el-radio>
              <el-radio label="SM2">国密</el-radio>
            </el-radio-group>
          </el-form-item>
          <el-form-item label="私钥内容" prop="privateKey">
            <el-input v-model="form.privateKey" type="textarea" placeholder="请输入私钥" />
          </el-form-item>
          <el-form-item v-if="publicKeyRequired" label="公钥内容" prop="publicKey">
            <el-input v-model="form.publicKey" type="textarea" placeholder="请输入公钥" />
          </el-form-item>
        </template>
        <!-- 数据加密策略 -->
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listStrategy, getStrategy, delStrategy, addStrategy, updateStrategy, changeStrategyStatus } from "@/api/gateway/strategy";

export default {
  name: "Strategy",
  dicts: ['gateway_data_status', 'gateway_strategy_type', 'http_request_method'],
  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,
      // 策略管理表格数据
      strategyList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 限流处理方式时间范围
      daterangeCreateTime: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        strategyName: null,
        strategyType: null,
        requestMethod: null,
        status: null,
        createTime: null,
      },
      // 表单参数
      form: {
        id: null,
        strategyName: null,
        strategyType: null,
        description: null,
        requestMethod: null,
        encryptionAlgorithm: null,
        status: null,
        privateKey: null,
        publicKey: null,
        currentLimitingAlgorithm: null,
        currentLimitingThreshold: null,
        currentLimitingPeriod: null,
        currentLimitingProcessingMethod: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null
      },
    };
  },
  computed: {
    publicKeyRequired() {
      return this.form.encryptionAlgorithm === 'RSA';
    },
    // 表单校验
    rules() {
      return {
        strategyName: [
          { required: this.form.strategyType === 'DATA_ENCRYPTION', message: "策略名称不能为空", trigger: "blur" }
        ],
        strategyType: [
          { required: true, message: "策略类型不能为空", trigger: "change" }
        ],
        // requestMethod: [
        //   { required: true, message: "请求方式不能为空", trigger: "blur" }
        // ],
        encryptionAlgorithm: [
          { required: true, message: "加密算法不能为空", trigger: "blur" }
        ],
        privateKey: [
          { required: true, message: "私钥内容不能为空", trigger: "blur" }
        ],
        publicKey: [
          { required: this.publicKeyRequired, message: "公钥内容不能为空", trigger: "blur" }
        ],
      }
    }
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询策略管理列表 */
    getList() {
      this.loading = true;
      this.queryParams.params = {};
      if (null != this.daterangeCreateTime && '' != this.daterangeCreateTime) {
      	// 采用apijson方式
        this.queryParams.params["beginCreateTime"] = this.daterangeCreateTime[0];
        this.queryParams.params["endCreateTime"] = this.daterangeCreateTime[1];
        this.queryParams.createTime = this.daterangeCreateTime[0]+","+this.daterangeCreateTime[1];
      }
      listStrategy(this.queryParams).then(response => {
        this.strategyList = 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,
        strategyName: null,
        strategyType: null,
        description: null,
        requestMethod: null,
        encryptionAlgorithm: null,
        status: null,
        privateKey: null,
        publicKey: null,
        currentLimitingAlgorithm: null,
        currentLimitingThreshold: null,
        currentLimitingPeriod: null,
        currentLimitingProcessingMethod: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: 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.daterangeCreateTime = [];
      this.queryParams.createTime = null;
      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 = "添加策略管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getStrategy(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改策略管理";
      });
    },
    strategyTypeChange() {
      const { id, strategyName, strategyType } = this.form;
      this.reset();
      this.form.id = id;
      this.form.strategyName = strategyName;
      this.form.strategyType = strategyType;
    },
    changeEncryptionAlgorithm(val) {
      // 非RSA，清空公钥
      if (val === 'RSA') {
        this.form.publicKey = null;
      };
    },
    /** 提交按钮 */
    submitForm() {
      console.log(this.form)
      // return;
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
          	let data = Object.assign({},this.form)
          	delete data.explain
            updateStrategy(data).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addStrategy(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除策略管理编号为"' + ids + '"的数据项？').then(function() {
        return delStrategy(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 启用/禁用按钮操作 */
    handleStatus(row) {
      const ids = row?.id ? [row.id] : this.ids;
      let status = '1'
      if (row) {
        status = row.status == '1' ? '0' : '1'
      }
      const params = {ids, status};
      changeStrategyStatus(params).then(({code, msg}) => {
        if (code === 200) {
          this.$message.success(msg);
          this.getList();
        }
      })
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('gateway/strategy/export', {
        ...this.queryParams
      }, `strategy_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
