import { Component, OnInit } from '@angular/core';
import { IsService } from '../is.service';
import { ResourceIdentification, TYPE_PROPERTY_KEY } from './resourceidentification';

@Component({
  selector: 'app-resource-list',
  templateUrl: './resource-list.component.html',
  styleUrls: ['./resource-list.component.css']
})
export class ResourceListComponent implements OnInit {

  public resourceIdentificationList: Array<ResourceIdentification>;

  constructor(private isService: IsService) { }

  ngOnInit() {
    // this.isService.getIdentifyingFacets('Service', facets => {this.identifyingFacets = facets;});
    this.isService.getIdentifyingFacets('Service', facets => { this.resourceIdentificationList = this.analyseIdentifyingFacets(facets); });
  }

  analyseIdentifyingFacets(identifyingFacets: any[]): Array<ResourceIdentification> {

    const map = new Map<string, ResourceIdentification>();
    const facets = new Array<ResourceIdentification>();

    for (const facet of identifyingFacets) {

      const facetType: string = facet[TYPE_PROPERTY_KEY];
      let facetList: ResourceIdentification;

      if (map.has(facetType)) {
        facetList = map.get(facetType);
      } else {
        facetList = new ResourceIdentification(facetType);
        map.set(facetType, facetList);
        facets.push(facetList);
      }
      facetList.add(facet);
    }

    return facets;
  }

}