import { Injectable } from '@angular/core';
import { ActivatedRouteSnapshot, Resolve, RouterStateSnapshot } from "@angular/router";
import { HttpClient } from "@angular/common/http";

import { Judge } from "./judge";
import { environment } from '../../environments/environment';
import { Observable } from "rxjs/internal/Observable";

@Injectable({
  providedIn: 'root'
})
export class JudgeService implements Resolve<Array<Judge>> {

  private apiEndPoint = `${environment.apiUrl}/judge`;
  private cachedJudges: Array<Judge> = [];

  constructor(private httpClient: HttpClient) {}

  public resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Promise<Array<Judge>> {
    return this.getJudges().toPromise();
  }

  public getJudges(): Observable<Array<Judge>> {
    return this.httpClient.get<Array<Judge>>(this.apiEndPoint);
  }

  get judges(): Array<Judge> {
    return this.cachedJudges;
  }

  set judges(judges: Array<Judge>) {
    this.cachedJudges = judges;
  }
}