<template>
  <div class="page">
    <el-card shadow="never">
      <!-- 搜索表单 -->
      <el-form :model="params" inline ref="queryRef">
        <el-form-item label="数据源名称" prop="keyWord">
          <el-input v-model="params.keyWord" placeholder="请输入数据源名称" clearable style="width: 200px" @keyup.enter.native="getList(1)" />
        </el-form-item>
        <el-form-item label="日期范围" prop="dateRange">
          <el-date-picker v-model="params.dateRange" type="daterange" range-separator="至" start-placeholder="开始日期" end-placeholder="结束日期" value-format="YYYY-MM-DD" style="width: 240px" />
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="getList(1)">
            <el-icon><ele-Search /></el-icon>查询
          </el-button>
          <el-button @click="resetQuery">
            <el-icon><ele-Refresh /></el-icon>重置
          </el-button>
          <el-button type="primary" @click="addOrEdit()" v-auth="'add_datasource'">
            <el-icon><ele-Plus /></el-icon>新增
          </el-button>
        </el-form-item>
      </el-form>

      <!-- 数据表格 -->
      <el-table :data="tableData" style="width: 100%" v-loading="loading" row-key="id">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column prop="id" label="ID" width="80" align="center" />
        <el-table-column prop="name" label="数据源名称" min-width="120" show-overflow-tooltip />
        <el-table-column prop="type" label="数据库类型" width="120" />
        <el-table-column prop="host" label="主机地址" min-width="120" show-overflow-tooltip />
        <el-table-column prop="port" label="端口" width="80" align="center" />
        <el-table-column prop="database" label="数据库名" min-width="120" show-overflow-tooltip />
        <el-table-column prop="remark" label="备注" min-width="150" show-overflow-tooltip />
        <el-table-column prop="createdAt" label="创建时间" width="160" />
        <el-table-column label="操作" width="160" align="center" fixed="right">
          <template #default="{ row }">
            <el-button type="primary" size="small" text @click="testConnection(row)" v-auth="'test_datasource'"> 测试连接 </el-button>
            <el-button type="primary" size="small" text @click="addOrEdit(row)" v-auth="'edit_datasource'"> 编辑 </el-button>
            <el-button type="danger" size="small" text @click="deleteDataSource(row)" v-auth="'delete_datasource'"> 删除 </el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页 -->
      <div class="pagination-container">
        <el-pagination v-model:current-page="params.pageNum" v-model:page-size="params.pageSize" :page-sizes="[10, 20, 50, 100]" layout="total, sizes, prev, pager, next, jumper" :total="params.total" @size-change="getList()" @current-change="getList()" />
      </div>
    </el-card>

    <!-- 数据源表单对话框 -->
    <el-dialog v-model="dialogVisible" :title="formData.id ? '编辑数据源' : '新增数据源'" width="600px" :close-on-click-modal="false" :close-on-press-escape="false">
      <el-form ref="formRef" :model="formData" :rules="rules" label-width="120px">
        <el-form-item label="数据源名称" prop="name">
          <el-input v-model="formData.name" placeholder="请输入数据源名称" />
        </el-form-item>
        <el-form-item label="数据库类型" prop="type">
          <el-select v-model="formData.type" placeholder="请选择数据库类型" style="width: 100%">
            <el-option label="MySQL" value="MySQL" />
            <el-option label="PostgreSQL" value="PostgreSQL" />
            <el-option label="SQL Server" value="SQL Server" />
          </el-select>
        </el-form-item>
        <el-form-item label="主机地址" prop="host">
          <el-input v-model="formData.host" placeholder="请输入主机地址" />
        </el-form-item>
        <el-form-item label="端口" prop="port">
          <el-input-number v-model="formData.port" :min="1" :max="65535" style="width: 100%" />
        </el-form-item>
        <el-form-item label="用户名" prop="username">
          <el-input v-model="formData.username" placeholder="请输入用户名" />
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="formData.password" type="password" placeholder="请输入密码" show-password />
          <div class="form-tip" v-if="formData.id">不修改请留空</div>
        </el-form-item>
        <el-form-item label="数据库名" prop="database">
          <el-input v-model="formData.database" placeholder="请输入数据库名" />
        </el-form-item>
        <el-form-item label="最大打开连接数" prop="maxOpenConns">
          <el-input-number v-model="formData.maxOpenConns" :min="1" style="width: 100%" />
        </el-form-item>
        <el-form-item label="最大空闲连接数" prop="maxIdleConns">
          <el-input-number v-model="formData.maxIdleConns" :min="1" style="width: 100%" />
        </el-form-item>
        <el-form-item label="连接最大生存时间" prop="connMaxLifetime">
          <el-input-number v-model="formData.connMaxLifetime" :min="1" style="width: 100%" />
          <div class="form-tip">单位：秒</div>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="formData.remark" type="textarea" :rows="3" placeholder="请输入备注" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button @click="dialogVisible = false">取消</el-button>
          <el-button type="primary" @click="submitForm">确定</el-button>
          <el-button type="success" @click="testConnectionForm" v-if="!formData.id">测试连接</el-button>
        </div>
      </template>
    </el-dialog>

    <!-- 测试连接对话框 -->
    <el-dialog v-model="testDialogVisible" title="测试数据源连接" width="500px">
      <el-form ref="testFormRef" :model="testFormData" :rules="testRules" label-width="120px">
        <el-form-item label="数据库类型" prop="type">
          <el-select v-model="testFormData.type" placeholder="请选择数据库类型" style="width: 100%">
            <el-option label="MySQL" value="MySQL" />
            <el-option label="PostgreSQL" value="PostgreSQL" />
            <el-option label="SQL Server" value="SQL Server" />
          </el-select>
        </el-form-item>
        <el-form-item label="主机地址" prop="host">
          <el-input v-model="testFormData.host" placeholder="请输入主机地址" />
        </el-form-item>
        <el-form-item label="端口" prop="port">
          <el-input-number v-model="testFormData.port" :min="1" :max="65535" style="width: 100%" />
        </el-form-item>
        <el-form-item label="用户名" prop="username">
          <el-input v-model="testFormData.username" placeholder="请输入用户名" />
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="testFormData.password" type="password" placeholder="请输入密码" show-password />
        </el-form-item>
        <el-form-item label="数据库名" prop="database">
          <el-input v-model="testFormData.database" placeholder="请输入数据库名" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button @click="testDialogVisible = false">取消</el-button>
          <el-button type="primary" @click="submitTestConnection">测试连接</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script lang="ts" setup>
import { ref, reactive, onMounted } from "vue";
import { ElMessage, ElMessageBox } from "element-plus";
import { useSearch } from "/@/hooks/useCommon";
import apiHub from "/@/api/modules/apiHub";

// 定义数据源类型
interface DataSource {
  id?: number;
  name: string;
  type: string;
  host: string;
  port: number;
  username: string;
  password?: string;
  database: string;
  maxOpenConns?: number;
  maxIdleConns?: number;
  connMaxLifetime?: number;
  remark?: string;
  createdAt?: string;
  updatedAt?: string;
}

// 表单引用
const formRef = ref();
const testFormRef = ref();
const queryRef = ref();

// 对话框状态
const dialogVisible = ref(false);
const testDialogVisible = ref(false);

// 表单数据
const formData = reactive<DataSource>({
  name: "",
  type: "MySQL",
  host: "",
  port: 3306,
  username: "",
  password: "",
  database: "",
  maxOpenConns: 100,
  maxIdleConns: 10,
  connMaxLifetime: 3600,
  remark: "",
});

// 测试连接表单数据
const testFormData = reactive({
  type: "MySQL",
  host: "",
  port: 3306,
  username: "",
  password: "",
  database: "",
});

// 表单验证规则
const rules = {
  name: [{ required: true, message: "请输入数据源名称", trigger: "blur" }],
  type: [{ required: true, message: "请选择数据库类型", trigger: "change" }],
  host: [{ required: true, message: "请输入主机地址", trigger: "blur" }],
  port: [{ required: true, message: "请输入端口", trigger: "blur" }],
  username: [{ required: true, message: "请输入用户名", trigger: "blur" }],
  password: [{ required: true, message: "请输入密码", trigger: "blur" }],
  database: [{ required: true, message: "请输入数据库名", trigger: "blur" }],
};

// 测试连接表单验证规则
const testRules = {
  type: [{ required: true, message: "请选择数据库类型", trigger: "change" }],
  host: [{ required: true, message: "请输入主机地址", trigger: "blur" }],
  port: [{ required: true, message: "请输入端口", trigger: "blur" }],
  username: [{ required: true, message: "请输入用户名", trigger: "blur" }],
  password: [{ required: true, message: "请输入密码", trigger: "blur" }],
  database: [{ required: true, message: "请输入数据库名", trigger: "blur" }],
};

// 使用通用搜索钩子
const { params, tableData, getList, loading } = useSearch<DataSource[]>(apiHub.dataSource.list, "Data", {
  keyWord: "",
  dateRange: [],
});

// 页面加载时获取列表数据
onMounted(() => {
  getList(1);
});

// 重置查询表单
const resetQuery = () => {
  queryRef.value?.resetFields();
  getList(1);
};

// 新增或编辑数据源
const addOrEdit = (row?: DataSource) => {
  // 重置表单
  Object.assign(formData, {
    id: undefined,
    name: "",
    type: "MySQL",
    host: "",
    port: 3306,
    username: "",
    password: "",
    database: "",
    maxOpenConns: 100,
    maxIdleConns: 10,
    connMaxLifetime: 3600,
    remark: "",
  });

  // 如果是编辑，填充表单数据
  if (row) {
    Object.assign(formData, { ...row, password: "" });
  }

  // 显示对话框
  dialogVisible.value = true;
};

// 提交表单
const submitForm = async () => {
  // 表单验证
  await formRef.value.validate();

  const theApi = formData.id ? apiHub.dataSource.edit : apiHub.dataSource.add;

  // 发送请求
  await theApi(formData);

  // 关闭对话框
  dialogVisible.value = false;

  // 刷新列表
  getList();

  // 提示成功
  ElMessage.success(formData.id ? "编辑成功" : "添加成功");
};

// 删除数据源
const deleteDataSource = (row: DataSource) => {
  ElMessageBox.confirm(`确定要删除数据源「${row.name}」吗？`, "警告", {
    confirmButtonText: "确定",
    cancelButtonText: "取消",
    type: "warning",
  })
    .then(async () => {
      await apiHub.dataSource.delete([row.id!]);
      getList();
      ElMessage.success("删除成功");
    })
    .catch(() => {});
};

// 测试连接（从列表）
const testConnection = (row: DataSource) => {
  // 填充测试表单
  Object.assign(testFormData, {
    type: row.type,
    host: row.host,
    port: row.port,
    username: row.username,
    password: "", // 密码需要重新输入
    database: row.database,
  });

  // 显示测试对话框
  testDialogVisible.value = true;
};

// 测试连接（从表单）
const testConnectionForm = async () => {
  // 表单验证
  await formRef.value.validate();

  // 填充测试表单
  Object.assign(testFormData, {
    type: formData.type,
    host: formData.host,
    port: formData.port,
    username: formData.username,
    password: formData.password,
    database: formData.database,
  });

  // 显示测试对话框
  testDialogVisible.value = true;
};

// 提交测试连接
const submitTestConnection = async () => {
  // 表单验证
  await testFormRef.value.validate();

  await apiHub.dataSource.test(testFormData).then((res: any) => {
    if (res.success) {
      ElMessage.success(res.message || "连接成功");
    } else {
      ElMessage.error(res.message || "连接失败");
    }
  });
};
</script>

<style scoped>
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pagination-container {
  margin-top: 20px;
  display: flex;
  justify-content: flex-end;
}

.form-tip {
  font-size: 12px;
  color: #909399;
  margin-top: 4px;
}

.dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
</style>
