import { getBaseUrl } from '@karmed/core';
import { LoginService } from './services/login.service';
import { NgModule, InjectionToken, Inject } from '@angular/core';
import { ApiComponent } from './api.component';
import { CommonModule } from '@angular/common';
import { HTTP_INTERCEPTORS, HttpClient, HttpClientModule } from '@angular/common/http';
import { JwtInterceptor } from './helpers/jwt-interceptor';
import { ErrorInterceptor } from './helpers/error-interceptor';
import { LoadingInterceptor } from './helpers/loading-interceptor';
import { KarmedService } from './services/karmed.service';

export const API_BASE_URL = new InjectionToken<string>('API_BASE_URL');
export const API_FILE: string = getBaseUrl() + "assets/api.json";

export function getApiUrl(http: HttpClient): string {
  var apiJson = "/";
  http.get<any>(API_FILE).subscribe(data => apiJson = data);
  return apiJson;
}

@NgModule({
  declarations: [ApiComponent],
  imports: [
    CommonModule,
    HttpClientModule
  ],
  exports: [ApiComponent],
  providers: [LoginService, KarmedService,
    { provide: API_BASE_URL, useFactory: getApiUrl, deps: [HttpClient] },
    { provide: HTTP_INTERCEPTORS, useClass: JwtInterceptor, multi: true },
    { provide: HTTP_INTERCEPTORS, useClass: ErrorInterceptor, multi: true },
    { provide: HTTP_INTERCEPTORS, useClass: LoadingInterceptor, multi: true },
  ]
})
export class ApiModule { }