import { HttpClient } from '@angular/common/http';
import { NgModule } from '@angular/core';
import { AuthModule, StsConfigHttpLoader, StsConfigLoader } from 'angular-auth-oidc-client';
import { map } from 'rxjs/operators';

export const httpLoaderFactory = (httpClient: HttpClient) => {
  const config$ = httpClient
    .get<any>(`<%= authorityUrlOrTenantId %>`)
    .pipe(
      map((customConfig: any) => {
        return {
          authority: customConfig.authority,
          redirectUrl: customConfig.redirect_url,
          clientId: customConfig.client_id,
          responseType: customConfig.response_type,
          scope: customConfig.scope,
          postLogoutRedirectUri: customConfig.post_logout_redirect_uri,
          startCheckSession: customConfig.start_checksession,
          silentRenew: customConfig.silent_renew,
          silentRenewUrl: customConfig.redirect_url + '/silent-renew.html',
          postLoginRoute: customConfig.startup_route,
          forbiddenRoute: customConfig.forbidden_route,
          unauthorizedRoute: customConfig.unauthorized_route,
          logLevel: customConfig.logLevel, // LogLevel.Debug,
          maxIdTokenIatOffsetAllowedInSeconds: customConfig.max_id_token_iat_offset_allowed_in_seconds,
          historyCleanupOff: true,
          // autoUserInfo: false,
        };
      })
    )
    .toPromise();

  return new StsConfigHttpLoader(config$);
};

@NgModule({
  imports: [
    AuthModule.forRoot({
      loader: {
        provide: StsConfigLoader,
        useFactory: httpLoaderFactory,
        deps: [HttpClient],
      },
    }),
  ],
  exports: [AuthModule],
})
export class AuthConfigModule {}