import { NgModule, ModuleWithProviders, SkipSelf, Optional } from '@angular/core';
import { CommonModule } from '@angular/common';
import { HttpClientModule } from '@angular/common/http';
import { Configuration } from './configuration';

import { AccountService } from './api/account.service';
import { BasketService } from './api/basket.service';
import { BasketItemService } from './api/basketItem.service';
import { CheckoutService } from './api/checkout.service';
import { CodeClaimService } from './api/codeClaim.service';
import { EventService } from './api/event.service';
import { EventAttendeeService } from './api/eventAttendee.service';
import { EventGuestService } from './api/eventGuest.service';
import { GuestListMemberService } from './api/guestListMember.service';
import { HomeService } from './api/home.service';
import { ImageService } from './api/image.service';
import { OrderService } from './api/order.service';
import { OrganisationEventService } from './api/organisationEvent.service';
import { OrganisationReservationService } from './api/organisationReservation.service';
import { ReservationService } from './api/reservation.service';
import { ReservationAttendeeService } from './api/reservationAttendee.service';
import { TicketService } from './api/ticket.service';
import { UserEventService } from './api/userEvent.service';
import { UserGuestService } from './api/userGuest.service';
import { UserGuestListService } from './api/userGuestList.service';
import { UserPromoService } from './api/userPromo.service';
import { UserReservationService } from './api/userReservation.service';
import { ValidateService } from './api/validate.service';

@NgModule({
  imports:      [ CommonModule, HttpClientModule ],
  declarations: [],
  exports:      [],
  providers: [
    AccountService,
    BasketService,
    BasketItemService,
    CheckoutService,
    CodeClaimService,
    EventService,
    EventAttendeeService,
    EventGuestService,
    GuestListMemberService,
    HomeService,
    ImageService,
    OrderService,
    OrganisationEventService,
    OrganisationReservationService,
    ReservationService,
    ReservationAttendeeService,
    TicketService,
    UserEventService,
    UserGuestService,
    UserGuestListService,
    UserPromoService,
    UserReservationService,
    ValidateService ]
})
export class ApiModule {
    public static forRoot(configurationFactory: () => Configuration): ModuleWithProviders {
        return {
            ngModule: ApiModule,
            providers: [ { provide: Configuration, useFactory: configurationFactory } ]
        }
    }

    constructor( @Optional() @SkipSelf() parentModule: ApiModule) {
        if (parentModule) {
            throw new Error('ApiModule is already loaded. Import your base AppModule only.');
        }
    }
}