import {Component, EventEmitter, Input, OnInit, Output} from '@angular/core';
import {BaseConfig, RouteConfig} from '../../app.config';
import {environment} from '../../../environments/environment';
import {LoginService} from '../../services/app-user-service/login-service';
import {PromotionService} from '../../services/army-management/promotion.service';
import {AwardingService} from '../../services/army-management/awarding.service';
import {SettingsService} from '../../services/settings.service';
import {TranslateService} from '@ngx-translate/core';

declare function require(url: string);

@Component({
  selector: 'app-header',
  templateUrl: 'navigation-header.component.html',
  styleUrls: ['navigation-header.component.scss']
})
export class NavigationHeaderComponent implements OnInit {

  @Output() sidenavToggle = new EventEmitter();

  @Output() userLogout = new EventEmitter();

  @Input() currentUrl;

  readonly features = environment.features;

  readonly availableLanguages = BaseConfig.i18n.availableLanguages;

  readonly version = require('./../../../../../package.json').version;

  readonly config = RouteConfig;

  language;

  constructor(public loginService: LoginService,
              private promotionService: PromotionService,
              private awardingService: AwardingService,
              private translate: TranslateService,
              private settingsService: SettingsService) {
  }

  ngOnInit() {
    this.settingsService.getLanguage().subscribe((language) => {
      this.language = language;
      this.translate.setDefaultLang(language)
    });
    if (this.loginService.hasPermission(2)) {
      const fraction = this.loginService.getCurrentUser().squad.fraction;
      this.promotionService.checkUnconfirmedPromotions(fraction);
      this.awardingService.checkUnprocessedAwards(fraction);
    }
  }

  public onToggleSidenav() {
    this.sidenavToggle.emit();
  };

  public doUserLogout() {
    this.userLogout.emit()
  };

  setLanguage(language: string) {
    if (language) {
      this.language = language;
      this.settingsService.setLanguage(language);
    }
  }
}