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

import {HsLayoutService} from 'hslayers-ng';

import {AdjusterPresetsService} from './adjuster-presets.service';
import {AdjusterService} from './adjuster.service';

@Injectable({providedIn: 'root'})
export class AdjusterUIService {
  constructor(
    public adjusterService: AdjusterService,
    public adjusterPresetsService: AdjusterPresetsService,
    public hsLayoutService: HsLayoutService
  ) {}

  hasDatasets(factor): boolean {
    return factor.datasets.length > 0;
  }

  getLabelInCurrentLang(labels) {
    return this.adjusterPresetsService.getLabelInCurrentLang(labels);
  }

  noDataSelected(): boolean {
    if (this.adjusterService.factors.length === 0) {
      return true;
    }
    let datasetsEffectivelyTurnedOn = [];
    for (const factor of this.adjusterService.factors) {
      if (factor.weight === 0) {
        continue;
      }
      datasetsEffectivelyTurnedOn = [
        ...datasetsEffectivelyTurnedOn,
        ...factor.datasets.filter((ds) => ds.included),
      ];
    }
    return datasetsEffectivelyTurnedOn.length === 0;
  }

  noOperationSelected(): boolean {
    return (
      !this.adjusterService.allowIndex && !this.adjusterService.allowClusters
    );
  }

  /*selectMethod(): void {
    this.adjusterService.method = this.method;
    this.adjusterEventService.methodChanged.next(this.method);
  }*/
}