/* eslint-disable react-refresh/only-export-components -- 路由配置模块，lazy 组件仅作为路由元素，不做热更新边界 */
import { Permission } from '@lingxi/shared';
import { PageSkeleton } from '@lingxi/ui';
import { lazy, type ReactNode, Suspense } from 'react';
import { createBrowserRouter, Navigate } from 'react-router';

import { RequireAuth } from '@/components/auth/RequireAuth';
import { RequirePermission } from '@/components/auth/RequirePermission';
import { AppLayout } from '@/layout/AppLayout';
import { LegacySystemRedirect, LegacyUsersRedirect } from '@/navigation/legacy-redirect';
import { ForbiddenPage } from '@/pages/errors/ForbiddenPage';
import { NotFoundPage } from '@/pages/errors/NotFoundPage';
import { ServerErrorPage } from '@/pages/errors/ServerErrorPage';
import { UnauthorizedPage } from '@/pages/errors/UnauthorizedPage';
import { ROUTES } from '@/routes';

const UsersPage = lazy(async () => {
  const module = await import('@/pages/system/users/UsersPage');
  return { default: module.UsersPage };
});

const UserNewPage = lazy(async () => {
  const module = await import('@/pages/system/users/UserNewPage');
  return { default: module.UserNewPage };
});

const DepartmentsPage = lazy(async () => {
  const module = await import('@/pages/system/departments/DepartmentsPage');
  return { default: module.DepartmentsPage };
});

const RolesPage = lazy(async () => {
  const module = await import('@/pages/system/roles/RolesPage');
  return { default: module.RolesPage };
});

const RoleEditorPage = lazy(async () => {
  const module = await import('@/pages/system/roles/RoleEditorPage');
  return { default: module.RoleEditorPage };
});

const RoleNewPage = lazy(async () => {
  const module = await import('@/pages/system/roles/RoleNewPage');
  return { default: module.RoleNewPage };
});

const IndustriesPage = lazy(async () => {
  const module = await import('@/pages/system/industries/IndustriesPage');
  return { default: module.IndustriesPage };
});

const CustomersPage = lazy(async () => {
  const module = await import('@/pages/system/customers/CustomersPage');
  return { default: module.CustomersPage };
});

const CustomerNewPage = lazy(async () => {
  const module = await import('@/pages/system/customers/CustomerNewPage');
  return { default: module.CustomerNewPage };
});

const CustomerDetailPage = lazy(async () => {
  const module = await import('@/pages/system/customers/CustomerDetailPage');
  return { default: module.CustomerDetailPage };
});

const CustomerGroupsPage = lazy(async () => {
  const module = await import('@/pages/system/customer-groups/CustomerGroupsPage');
  return { default: module.CustomerGroupsPage };
});

const CustomerFieldsPage = lazy(async () => {
  const module = await import('@/pages/system/customer-fields/CustomerFieldsPage');
  return { default: module.CustomerFieldsPage };
});

const DictsPage = lazy(async () => {
  const module = await import('@/pages/system/dicts/DictsPage');
  return { default: module.DictsPage };
});

const SettingsPage = lazy(async () => {
  const module = await import('@/pages/system/settings/SettingsPage');
  return { default: module.SettingsPage };
});

function withSkeleton(node: ReactNode): ReactNode {
  return <Suspense fallback={<PageSkeleton rows={8} />}>{node}</Suspense>;
}

export const router = createBrowserRouter([
  // 旧地址兼容：/users* → /system/users*，/platform* → /system*
  { path: 'users', element: <LegacyUsersRedirect /> },
  { path: 'users/*', element: <LegacyUsersRedirect /> },
  { path: 'platform', element: <LegacySystemRedirect /> },
  { path: 'platform/*', element: <LegacySystemRedirect /> },
  {
    path: ROUTES.login,
    lazy: async () => ({
      Component: (await import('@/pages/login/LoginPage')).default,
    }),
  },
  {
    path: '/',
    element: (
      <RequireAuth>
        <AppLayout />
      </RequireAuth>
    ),
    children: [
      {
        index: true,
        lazy: async () => ({
          Component: (await import('@/pages/dashboard/HomePage')).default,
        }),
      },
      {
        path: 'system',
        element: <Navigate to={ROUTES.system.users} replace />,
      },
      {
        path: 'system/users',
        element: (
          <RequirePermission permission={Permission.USER_VIEW}>
            {withSkeleton(<UsersPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/users/new',
        element: (
          <RequirePermission permission={Permission.USER_MANAGE}>
            {withSkeleton(<UserNewPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/users/:id',
        element: (
          <RequirePermission permission={Permission.USER_VIEW}>
            {withSkeleton(<UsersPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/departments',
        element: (
          <RequirePermission permission={Permission.USER_VIEW}>
            {withSkeleton(<DepartmentsPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/roles',
        element: (
          <RequirePermission permission={Permission.ROLE_VIEW}>
            {withSkeleton(<RolesPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/roles/new',
        element: (
          <RequirePermission permission={Permission.ROLE_MANAGE}>
            {withSkeleton(<RoleNewPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/roles/:id',
        element: (
          <RequirePermission permission={Permission.ROLE_VIEW}>
            {withSkeleton(<RoleEditorPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/industries',
        element: (
          <RequirePermission permission={Permission.CUSTOMER_READ}>
            {withSkeleton(<IndustriesPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/customers',
        element: (
          <RequirePermission permission={Permission.CUSTOMER_READ}>
            {withSkeleton(<CustomersPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/customers/new',
        element: (
          <RequirePermission permission={Permission.CUSTOMER_MANAGE}>
            {withSkeleton(<CustomerNewPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/customers/:id',
        element: (
          <RequirePermission permission={Permission.CUSTOMER_READ}>
            {withSkeleton(<CustomerDetailPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/customer-groups',
        element: (
          <RequirePermission permission={Permission.CUSTOMER_GROUP_MANAGE}>
            {withSkeleton(<CustomerGroupsPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/customer-fields/approvals',
        element: (
          <RequirePermission permission={Permission.CUSTOMER_FIELD_APPROVE}>
            {withSkeleton(<CustomerFieldsPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/dicts',
        element: (
          <RequirePermission permission={Permission.DICT_MANAGE}>
            {withSkeleton(<DictsPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/dicts/:type',
        element: (
          <RequirePermission permission={Permission.DICT_MANAGE}>
            {withSkeleton(<DictsPage />)}
          </RequirePermission>
        ),
      },
      {
        path: 'system/settings',
        element: (
          <RequirePermission permission={Permission.SYSTEM_CONFIGURE}>
            {withSkeleton(<SettingsPage />)}
          </RequirePermission>
        ),
      },
      {
        path: ':moduleKey/:itemKey?',
        lazy: async () => ({
          Component: (await import('@/pages/workspace/WorkspacePage')).default,
        }),
      },
    ],
  },
  { path: ROUTES.unauthorized, element: <UnauthorizedPage /> },
  { path: ROUTES.forbidden, element: <ForbiddenPage /> },
  { path: ROUTES.notFound, element: <NotFoundPage /> },
  { path: ROUTES.serverError, element: <ServerErrorPage /> },
  { path: '*', element: <NotFoundPage /> },
]);