import { NgModule, inject } from '@angular/core';
import { CanActivateFn, Router, RouterModule, Routes } from '@angular/router';
import { UserService } from './core/services/user.service';
import { map } from 'rxjs';

const authGuard: CanActivateFn = () => {
  const userService: UserService = inject(UserService);
  const router: Router = inject(Router);
  return userService.isAuthenticated.pipe(
    map((isAuth) => isAuth || router.parseUrl('/login'))
  );
};

const loginGuard: CanActivateFn = () => {
  const userService: UserService = inject(UserService);
  const router: Router = inject(Router);

  return userService.isAuthenticated.pipe(
    map((isAuth) => {
      if (!isAuth) {
        return true;
      }
      return router.parseUrl('/dashboard');
    })
  );
};

const routes: Routes = [
  {
    path: 'login',
    loadComponent: () =>
      import('./core/auth/auth.component').then((m) => m.AuthComponent),
    canActivate: [loginGuard],
  },
  {
    path: 'register',
    loadComponent: () =>
      import('./core/auth/auth.component').then((m) => m.AuthComponent),
    canActivate: [loginGuard],
  },
  {
    path: '',
    loadComponent: () =>
      import('./core/layout/layout.component').then((m) => m.LayoutComponent),
    children: [
      {
        path: '',
        pathMatch: 'full',
        redirectTo: 'dashboard',
      },
      {
        path: 'dashboard',
        loadComponent: () =>
          import('./features/dashboard/dashboard.component').then(
            (m) => m.DashboardComponent
          ),
        canActivate: [authGuard],
      },
    ],
  },
  {
    path: 'log',
    loadComponent: () => import('./features/changelog/changelog.component').then((m) => m.ChangelogComponent),
  }
];

@NgModule({
  imports: [RouterModule.forRoot(routes)],
  exports: [RouterModule],
})
export class AppRoutingModule {}