import { Request, Response } from 'express';

// 模拟角色数据
const roleList = [
  {
    id: '1',
    name: '超级管理员',
    description: '拥有系统所有权限',
    permissions: ['user_manage', 'role_manage', 'system_config', 'data_view'],
    status: 'active',
    createTime: '2024-01-01 10:00:00',
    updateTime: '2024-01-01 10:00:00',
  },
  {
    id: '2',
    name: '学院管理员',
    description: '管理学院相关事务',
    permissions: ['student_manage', 'staff_manage', 'data_view'],
    status: 'active',
    createTime: '2024-01-02 10:00:00',
    updateTime: '2024-01-02 10:00:00',
  },
  {
    id: '3',
    name: '教师',
    description: '教师角色，可查看学生信息',
    permissions: ['student_view', 'data_view'],
    status: 'active',
    createTime: '2024-01-03 10:00:00',
    updateTime: '2024-01-03 10:00:00',
  },
  {
    id: '4',
    name: '学生',
    description: '学生角色，基础权限',
    permissions: ['profile_view'],
    status: 'inactive',
    createTime: '2024-01-04 10:00:00',
    updateTime: '2024-01-04 10:00:00',
  },
];

// 权限树数据
const permissionTree = [
  {
    id: 'user_manage',
    name: '用户管理',
    code: 'user_manage',
    type: 'menu',
    children: [
      {
        id: 'student_manage',
        name: '学生管理',
        code: 'student_manage',
        type: 'menu',
        parentId: 'user_manage',
      },
      {
        id: 'staff_manage',
        name: '教职工管理',
        code: 'staff_manage',
        type: 'menu',
        parentId: 'user_manage',
      },
      {
        id: 'student_view',
        name: '学生查看',
        code: 'student_view',
        type: 'button',
        parentId: 'user_manage',
      },
    ],
  },
  {
    id: 'role_manage',
    name: '角色管理',
    code: 'role_manage',
    type: 'menu',
  },
  {
    id: 'system_config',
    name: '系统配置',
    code: 'system_config',
    type: 'menu',
    children: [
      {
        id: 'banner_manage',
        name: '轮播图管理',
        code: 'banner_manage',
        type: 'menu',
        parentId: 'system_config',
        children: [
          {
            id: 'banner_add',
            name: '新增轮播图',
            code: 'banner_add',
            type: 'button',
            parentId: 'banner_manage',
          },
          {
            id: 'banner_edit',
            name: '编辑轮播图',
            code: 'banner_edit',
            type: 'button',
            parentId: 'banner_manage',
          },
        ],
      },
      {
        id: 'security_config',
        name: '安全配置',
        code: 'security_config',
        type: 'menu',
        parentId: 'system_config',
      },
    ],
  },
  {
    id: 'data_view',
    name: '数据查看',
    code: 'data_view',
    type: 'menu',
  },
  {
    id: 'profile_view',
    name: '个人信息查看',
    code: 'profile_view',
    type: 'button',
  },
];

// 组织架构数据
const organizationData = [
  {
    id: 'school_1',
    name: '学校管理',
    type: 'school',
    expanded: true,
    children: [
      {
        id: 'school_2',
        name: '学校管理',
        type: 'school',
        expanded: false,
      },
      {
        id: 'dept_1',
        name: '编辑',
        type: 'department',
        expanded: true,
        children: [
          {
            id: 'major_1',
            name: '批量导入',
            type: 'major',
            expanded: false,
            children: [
              {
                id: 'class_1',
                name: '批量导入',
                type: 'class',
              },
            ],
          },
          {
            id: 'major_2',
            name: '新增',
            type: 'major',
            expanded: false,
          },
        ],
      },
      {
        id: 'school_3',
        name: '角色管理',
        type: 'school',
        expanded: true,
      },
    ],
  },
];

// 获取角色列表
export default {
  'GET /api/admin/role': (req: Request, res: Response) => {
    const { page = 1, pageSize = 10, name } = req.query;
    
    let filteredList = [...roleList];
    
    // 按名称筛选
    if (name) {
      filteredList = filteredList.filter(item => 
        item.name.includes(name as string)
      );
    }
    
    const start = (Number(page) - 1) * Number(pageSize);
    const end = start + Number(pageSize);
    const list = filteredList.slice(start, end);
    
    res.json({
      code: 0,
      message: 'success',
      data: {
        list,
        total: filteredList.length,
      },
    });
  },

  // 获取组织架构数据
  'GET /api/admin/organization': (req: Request, res: Response) => {
    res.json({
      code: 0,
      message: 'success',
      data: organizationData,
    });
  },

  // 获取权限树
  'GET /api/admin/role/permissions': (req: Request, res: Response) => {
    res.json({
      code: 0,
      message: 'success',
      data: permissionTree,
    });
  },

  // 创建角色
  'POST /api/admin/role/create': (req: Request, res: Response) => {
    const { name, description, permissions } = req.body;
    
    const newRole = {
      id: String(Date.now()),
      name,
      description: description || '',
      permissions: permissions || [],
      status: 'active',
      createTime: new Date().toLocaleString('zh-CN'),
      updateTime: new Date().toLocaleString('zh-CN'),
    };
    
    roleList.push(newRole);
    
    res.json({
      code: 0,
      message: '创建成功',
      data: newRole,
    });
  },

  // 更新角色
  'POST /api/admin/role/update': (req: Request, res: Response) => {
    const { id, name, description, permissions } = req.body;
    
    const index = roleList.findIndex(item => item.id === id);
    if (index === -1) {
      return res.json({
        code: 1,
        message: '角色不存在',
      });
    }
    
    roleList[index] = {
      ...roleList[index],
      name,
      description: description || '',
      permissions: permissions || [],
      updateTime: new Date().toLocaleString('zh-CN'),
    };
    
    res.json({
      code: 0,
      message: '更新成功',
      data: roleList[index],
    });
  },

  // 切换角色状态
  'POST /api/admin/role/toggle-status': (req: Request, res: Response) => {
    const { id } = req.body;
    
    const role = roleList.find(item => item.id === id);
    if (!role) {
      return res.json({
        code: 1,
        message: '角色不存在',
      });
    }
    
    role.status = role.status === 'active' ? 'inactive' : 'active';
    role.updateTime = new Date().toLocaleString('zh-CN');
    
    res.json({
      code: 0,
      message: '状态更新成功',
      data: role,
    });
  },

  // 删除角色
  'POST /api/admin/role/delete': (req: Request, res: Response) => {
    const { id } = req.body;
    
    const index = roleList.findIndex(item => item.id === id);
    if (index === -1) {
      return res.json({
        code: 1,
        message: '角色不存在',
      });
    }
    
    roleList.splice(index, 1);
    
    res.json({
      code: 0,
      message: '删除成功',
    });
  },
};