import { APP_INITIALIZER, NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { RouterModule } from '@angular/router';
import { AuthModule, EventTypes, LogLevel, OidcConfigService, PublicEventsService } from 'angular-auth-oidc-client';
import { filter } from 'rxjs/operators';
import { AppComponent } from './app.component';
import { HomeComponent } from './home/home.component';
import { UnauthorizedComponent } from './unauthorized/unauthorized.component';

export function configureAuth(oidcConfigService: OidcConfigService) {
    return () =>
        oidcConfigService.withConfig({
            stsServer: 'https://offeringsolutions-sts.azurewebsites.net',
            redirectUrl: window.location.origin,
            postLogoutRedirectUri: window.location.origin,
            clientId: 'angularImplicitClient',
            scope: 'openid profile email',
            responseType: 'id_token token',
            silentRenewUrl: `${window.location.origin}/silent-renew.html`,
            startCheckSession: true,
            silentRenew: true,
            logLevel: LogLevel.Debug,
        });
}

@NgModule({
    declarations: [AppComponent, HomeComponent, UnauthorizedComponent],
    imports: [
        BrowserModule,
        RouterModule.forRoot([
            { path: '', redirectTo: 'home', pathMatch: 'full' },
            { path: 'home', component: HomeComponent },
            { path: 'forbidden', component: UnauthorizedComponent },
            { path: 'unauthorized', component: UnauthorizedComponent },
        ]),
        AuthModule.forRoot(),
    ],
    providers: [
        OidcConfigService,
        {
            provide: APP_INITIALIZER,
            useFactory: configureAuth,
            deps: [OidcConfigService],
            multi: true,
        },
    ],
    bootstrap: [AppComponent],
})
export class AppModule {
    constructor(private readonly eventService: PublicEventsService) {
        this.eventService
            .registerForEvents()
            .pipe(filter((notification) => notification.type === EventTypes.ConfigLoaded))
            .subscribe((config) => console.log('ConfigLoaded', config));
    }
}