import { HttpClient } from '@angular/common/http';
import { APP_INITIALIZER, ErrorHandler, NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { JwtModule } from '@auth0/angular-jwt';
import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
import { TranslateHttpLoader } from '@ngx-translate/http-loader';
import { ConfirmationService, MessageService } from 'primeng/api';
import { DialogService } from 'primeng/dynamicdialog';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { NotFoundComponent } from './components/error/not-found/not-found.component';
import { FooterComponent } from './components/footer/footer.component';
import { HeaderComponent } from './components/header/header.component';
import { SidebarComponent } from './components/sidebar/sidebar.component';
import { SpinnerComponent } from './components/spinner/spinner.component';
import { SharedModule } from './modules/shared/shared.module';
import { ErrorHandlerService } from './services/error-handler/error-handler.service';
import { SettingsService } from './services/settings/settings.service';



@NgModule({
  declarations: [
    AppComponent,
    HeaderComponent,
    SidebarComponent,
    FooterComponent,
    SpinnerComponent,
    NotFoundComponent,
  ],
  imports: [
    BrowserModule,
    BrowserAnimationsModule,
    AppRoutingModule,
    SharedModule,
    JwtModule.forRoot({
      config: {
        tokenGetter,
        allowedDomains: ['localhost:5000', 'localhost:5001'],
        disallowedRoutes: []
      }
    }),
    TranslateModule.forRoot({
      loader: {
        provide: TranslateLoader,
        useFactory: HttpLoaderFactory,
        deps: [HttpClient]
      }
    })
  ],
  providers: [
    {
      provide: APP_INITIALIZER,
      useFactory: configurationFactory,
      deps: [SettingsService],
      multi: true
    },
    {
      provide: ErrorHandler,
      useClass: ErrorHandlerService
    },
    MessageService,
    ConfirmationService,
    DialogService
  ],
  bootstrap: [AppComponent]
})
export class AppModule { }

export function configurationFactory(settingsService: SettingsService): () => Promise<unknown> {
  return (): Promise<unknown> => {
    return settingsService.loadSettings();
  };
}

export function tokenGetter(): string {
  return localStorage.getItem('jwt') ?? '';
}

export function HttpLoaderFactory(http: HttpClient): TranslateHttpLoader {
  return new TranslateHttpLoader(http);
}