import { Injectable } from '@angular/core';

import { Item } from '../models';

/**
 * This is organized in this module just for good housekeeping
 * However it is provided via the CoreModule to ensure it's
 * a singleton the entire app can use.
 * If your module service is *only* used in this module
 * you can have the service provided by this module.
 * In this case however, we want this service to be a true singleton
 * which can be injected into any component/service anywhere and
 * it will be the same instance therefore this is provided by the CoreModule.
 */
@Injectable()
export class ItemService {
  private items = new Array<Item>(
    { id: 1, name: 'Ter Stegen', role: 'Goalkeeper' },
    { id: 3, name: 'Piqué', role: 'Defender' },
    { id: 4, name: 'I. Rakitic', role: 'Midfielder' },
    { id: 5, name: 'Sergio', role: 'Midfielder' },
    { id: 6, name: 'Denis Suárez', role: 'Midfielder' },
    { id: 7, name: 'Arda', role: 'Midfielder' },
    { id: 8, name: 'A. Iniesta', role: 'Midfielder' },
    { id: 9, name: 'Suárez', role: 'Forward' },
    { id: 10, name: 'Messi', role: 'Forward' },
    { id: 11, name: 'Neymar', role: 'Forward' },
    { id: 12, name: 'Rafinha', role: 'Midfielder' },
    { id: 13, name: 'Cillessen', role: 'Goalkeeper' },
    { id: 14, name: 'Mascherano', role: 'Defender' },
    { id: 17, name: 'Paco Alcácer', role: 'Forward' },
    { id: 18, name: 'Jordi Alba', role: 'Defender' },
    { id: 19, name: 'Digne', role: 'Defender' },
    { id: 20, name: 'Sergi Roberto', role: 'Midfielder' },
    { id: 21, name: 'André Gomes', role: 'Midfielder' },
    { id: 22, name: 'Aleix Vidal', role: 'Midfielder' },
    { id: 23, name: 'Umtiti', role: 'Defender' },
    { id: 24, name: 'Mathieu', role: 'Defender' },
    { id: 25, name: 'Masip', role: 'Goalkeeper' }
  );

  getItems(): Item[] {
    return this.items;
  }

  getItem(id: number): Item {
    return this.items.filter(item => item.id === id)[0];
  }
}