import { ModuleWithProviders, NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';

import { Injectable, Inject } from '@angular/core';
import * as WooCommerceAPI    from 'woocommerce-api';

//For exporting the service:
//import { WooApiService }   from './src/woocommerce.service';
//export * from './src/woocommerce.service';

@Injectable()
export class WooApiService {

  woo: any;

  constructor(@Inject('config') private config: any) {
    this.woo = WooCommerceAPI(config);
  }

  fetchItems(itemType:string): Promise<any> {
    return new Promise((resolve, reject) => {
      this.woo.getAsync(itemType)
        .then((data:any) => resolve(JSON.parse(data.toJSON().body)))
        .catch((error:Error) => reject(error));
    });
  };

}


@NgModule({
  imports: [ CommonModule ],
  declarations: [],
  exports: []
})
export class WooApiModule {
  static forRoot(config: Object): ModuleWithProviders {
    return {
      ngModule: WooApiModule,
      providers: [ WooApiService, {provide: 'config', useValue: config}]
    };
  }
}