import type React from 'react'
import { DollarOutlined, CodeOutlined, CloudServerOutlined, RobotOutlined, DashboardOutlined,
  UserOutlined,
  BookOutlined,
  ImportOutlined,
  SettingOutlined,
  FileOutlined,
  SafetyOutlined,
} from '@ant-design/icons'
import type { AdminRole } from '@/types/admin'
import { hasRole } from '@/constants/roles'

export interface AdminMenuItem {
  path: string
  name: string
  icon?: React.ReactNode
  requiredRole?: AdminRole
  children?: AdminMenuItem[]
}

export const adminMenuItems: AdminMenuItem[] = [
  { path: '/', name: '总览', icon: <DashboardOutlined /> },
  { path: '/assistant', name: '任务助理', icon: <RobotOutlined /> },
  {
    path: '/users',
    name: '用户管理',
    icon: <UserOutlined />,
    requiredRole: 'ADMIN',
    children: [
      { path: '/users/admins', name: '管理员', requiredRole: 'SUPER_ADMIN' },
      { path: '/users/members', name: '普通用户' },
    ],
  },
  { path: '/membership', name: '会员与额度', icon: <DollarOutlined />, requiredRole: 'ADMIN' },
  {
    path: '/knowledge',
    name: '知识库管理',
    icon: <BookOutlined />,
    children: [
      { path: '/knowledge/bases', name: '知识库列表' },
      { path: '/knowledge/sources', name: '知识源列表' },
    ],
  },
  { path: '/imports', name: '文档导入', icon: <ImportOutlined /> },
  { path: '/files', name: '文件与 COS', icon: <FileOutlined /> },
  { path: '/settings', name: '系统配置', icon: <SettingOutlined />, requiredRole: 'ADMIN' },
  { path: '/billing', name: 'API 用量', icon: <DollarOutlined />, requiredRole: 'SUPER_ADMIN' },
  { path: '/git', name: '代码仓库', icon: <CodeOutlined /> },
  { path: '/servers', name: '服务器运维', icon: <CloudServerOutlined />, requiredRole: 'SUPER_ADMIN' },
  { path: '/audit', name: '审计日志', icon: <SafetyOutlined />, requiredRole: 'ADMIN' },
]

export function filterMenuByRole(items: AdminMenuItem[], role?: AdminRole): AdminMenuItem[] {
  if (!role) return []
  return items
    .filter((item) => !item.requiredRole || hasRole(role, item.requiredRole))
    .map((item) => ({
      ...item,
      children: item.children ? filterMenuByRole(item.children, role) : undefined,
    }))
    .filter((item) => {
      if (item.children && item.children.length === 0) return false
      return true
    })
}