<template>
  <div class="role-management">
    <!-- 搜索表单 -->
    <el-card class="search-form">
      <el-form :model="searchForm" inline>
        <el-form-item label="角色名称">
          <el-input v-model="searchForm.roleName" placeholder="请输入角色名称" clearable />
        </el-form-item>
        <el-form-item label="角色标识">
          <el-input v-model="searchForm.roleKey" placeholder="请输入角色标识" clearable />
        </el-form-item>
        <el-form-item label="状态">
          <el-select v-model="searchForm.status" placeholder="请选择状态" clearable>
            <el-option label="正常" :value="1" />
            <el-option label="停用" :value="0" />
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleSearch">
            <el-icon><Search /></el-icon>
            搜索
          </el-button>
          <el-button @click="handleReset">
            <el-icon><Refresh /></el-icon>
            重置
          </el-button>
        </el-form-item>
      </el-form>
    </el-card>

    <!-- 操作按钮 -->
    <el-card class="operation-buttons">
      <el-button type="primary" @click="handleAdd">
        <el-icon><Plus /></el-icon>
        新增角色
      </el-button>
      <el-button type="danger" :disabled="!multipleSelection.length" @click="handleBatchDelete">
        <el-icon><Delete /></el-icon>
        批量删除
      </el-button>
    </el-card>

    <!-- 数据表格 -->
    <el-card class="table-container">
      <el-table
        v-loading="loading"
        :data="tableData"
        @selection-change="handleSelectionChange"
      >
        <el-table-column type="selection" width="55" />
        <el-table-column prop="roleId" label="角色ID" width="80" />
        <el-table-column prop="roleName" label="角色名称" width="120" />
        <el-table-column prop="roleKey" label="角色标识" width="120" />
        <el-table-column prop="roleSort" label="排序" width="80" />
        <el-table-column prop="status" label="状态" width="80">
          <template #default="{ row }">
            <el-tag :type="row.status === 1 ? 'success' : 'danger'">
              {{ row.status === 1 ? '正常' : '停用' }}
            </el-tag>
          </template>
        </el-table-column>
        <el-table-column prop="createTime" label="创建时间" width="180" />
        <el-table-column label="操作" width="250" fixed="right">
          <template #default="{ row }">
            <el-button type="primary" size="small" @click="handleEdit(row)">
              编辑
            </el-button>
            <el-button type="success" size="small" @click="handleAssignPermissions(row)">
              分配权限
            </el-button>
            <el-button type="danger" size="small" @click="handleDelete(row)">
              删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页 -->
      <el-pagination
        v-model:current-page="pagination.current"
        v-model:page-size="pagination.size"
        :total="pagination.total"
        :page-sizes="[10, 20, 50, 100]"
        layout="total, sizes, prev, pager, next, jumper"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
      />
    </el-card>
  </div>
</template>

<script setup lang="ts">
import { ref, reactive, onMounted } from 'vue'
import { ElMessage, ElMessageBox } from 'element-plus'
import type { Role } from '@/types'

// 搜索表单
const searchForm = reactive({
  roleName: '',
  roleKey: '',
  status: undefined
})

// 表格数据
const tableData = ref<Role[]>([])
const loading = ref(false)
const multipleSelection = ref<Role[]>([])

// 分页
const pagination = reactive({
  current: 1,
  size: 10,
  total: 0
})

// 获取角色列表
const getRoleList = async () => {
  loading.value = true
  try {
    // 模拟数据
    tableData.value = [
      {
        roleId: 1,
        roleName: '超级管理员',
        roleKey: 'ADMIN',
        roleSort: 1,
        status: 1,
        remark: '超级管理员',
        createTime: '2024-01-01 10:00:00',
        updateTime: '2024-01-01 10:00:00',
        permissions: []
      },
      {
        roleId: 2,
        roleName: '普通用户',
        roleKey: 'USER',
        roleSort: 2,
        status: 1,
        remark: '普通用户',
        createTime: '2024-01-01 10:00:00',
        updateTime: '2024-01-01 10:00:00',
        permissions: []
      }
    ]
    pagination.total = 2
  } catch (error) {
    ElMessage.error('获取角色列表失败')
  } finally {
    loading.value = false
  }
}

// 搜索
const handleSearch = () => {
  pagination.current = 1
  getRoleList()
}

// 重置
const handleReset = () => {
  Object.assign(searchForm, {
    roleName: '',
    roleKey: '',
    status: undefined
  })
  handleSearch()
}

// 新增角色
const handleAdd = () => {
  ElMessage.info('新增角色功能待实现')
}

// 编辑角色
const handleEdit = (row: Role) => {
  ElMessage.info(`编辑角色: ${row.roleName}`)
}

// 分配权限
const handleAssignPermissions = (row: Role) => {
  ElMessage.info(`分配权限: ${row.roleName}`)
}

// 删除角色
const handleDelete = async (row: Role) => {
  try {
    await ElMessageBox.confirm(`确定要删除角色 "${row.roleName}" 吗？`, '提示', {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning'
    })
    ElMessage.success('删除成功')
    getRoleList()
  } catch (error) {
    // 用户取消删除
  }
}

// 批量删除
const handleBatchDelete = async () => {
  try {
    await ElMessageBox.confirm(`确定要删除选中的 ${multipleSelection.value.length} 个角色吗？`, '提示', {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning'
    })
    ElMessage.success('批量删除成功')
    getRoleList()
  } catch (error) {
    // 用户取消删除
  }
}

// 选择变化
const handleSelectionChange = (selection: Role[]) => {
  multipleSelection.value = selection
}

// 分页大小变化
const handleSizeChange = (size: number) => {
  pagination.size = size
  getRoleList()
}

// 当前页变化
const handleCurrentChange = (current: number) => {
  pagination.current = current
  getRoleList()
}

// 组件挂载时获取数据
onMounted(() => {
  getRoleList()
})
</script>

<style lang="scss" scoped>
.role-management {
  .search-form {
    margin-bottom: 16px;
  }
  
  .operation-buttons {
    margin-bottom: 16px;
  }
  
  .table-container {
    .el-pagination {
      margin-top: 16px;
      text-align: right;
    }
  }
}
</style>