// Angular imports //
import { NgModule, Injector, APP_INITIALIZER } from '@angular/core';
import { UpgradeModule } from '@angular/upgrade/static';
import { BrowserModule } from '@angular/platform-browser';
import { HttpModule } from '@angular/http'; // Todo check to remove /vile 8/22/2017
import { LOCATION_INITIALIZED } from '@angular/common';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import {HttpClientModule, HttpClient} from '@angular/common/http';

// Application specific imports //
import { TranslateModule, TranslateLoader, TranslateService } from '@ngx-translate/core';
import { TranslateHttpLoader } from '@ngx-translate/http-loader';

// Components //
import { AppComponent } from './app.component';

// Modules //
import { AppRoutingModule } from './app.routing';
import { MaeklarObjektModule } from './components/maeklarObjekt/maeklar-objekt.module';
import { ExempelkomponenterModule } from './components/exempelkomponenter/exempelkomponenter.module';
import { AnteckningModule, FbCommonPipesModule } from '@fb/common';
import { DatepickerModule } from 'ngx-bootstrap/datepicker';
import { CleanCacheModule } from './components/cleanCache/clean-cache.module';
import { SaeljdrivModule } from './components/saeljdriv/saeljdriv.module';
import { FbBroadcastModule } from '@fb/broadcast';
import { FbMapsModule } from '@fb/maps';
import { FbSideDrawerModule } from './components/sideDrawer/sideDrawer.module';
import { SearchModule } from './components/search/search.module';

// Directives //

// Pipes //

// Other //
import * as statics from '@fb/statics';
export function createTranslateLoader(http: HttpClient): TranslateHttpLoader { // För AOT
    return new TranslateHttpLoader(http, '../app/Languages/', '.json');
}

// Awaits the async call for the language files
export function appInitializerFactory(translate: TranslateService, injector: Injector): any {
    return () => new Promise<any>((resolve: any) => {
        const locationInitialized: any = injector.get(LOCATION_INITIALIZED, Promise.resolve(null));
        locationInitialized.then(() => {
            const defaultLanguage: string = 'sv_SE';
            translate.setDefaultLang(defaultLanguage);
            translate.use(defaultLanguage).subscribe(() => {
                resolve(null);
            });
        });
    });
}

// Build application module
@NgModule({
    imports: [
        BrowserAnimationsModule,
        BrowserModule,
        AppRoutingModule,
        HttpModule,
        HttpClientModule,
        UpgradeModule,
        AnteckningModule,
        FbBroadcastModule,
        DatepickerModule.forRoot(),
        FbCommonPipesModule.forRoot(),

        TranslateModule.forRoot({
            loader: {
                provide: TranslateLoader,
                useFactory: (createTranslateLoader),
                deps: [HttpClient]
            }
        }),
        MaeklarObjektModule,
        ExempelkomponenterModule,
        CleanCacheModule,
        SaeljdrivModule,
        FbMapsModule,
        FbSideDrawerModule,
        SearchModule
    ],
    declarations: [
        AppComponent
    ],
    providers: [
        {
            provide: APP_INITIALIZER,
            useFactory: appInitializerFactory,
            deps: [TranslateService, Injector],
            multi: true
        }
    ],
    bootstrap: [AppComponent] // Enterypoint for Angular X
})
export class AppModule {
    constructor(private readonly injector: Injector) {
        statics.ServiceLocator.injector = this.injector;
    }
}