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

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

  public resources: Map<string, ResourceIdentification>;

  constructor(private isService: IsService) { }

  ngOnInit() {
    this.isService.getResourceInstances('Service', res => { this.resources = this.analyseResources(res); });
  }

  analyseResources(resources: Resource[]): Map<string, ResourceIdentification> {

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

    for (const resource of resources) {

      const facetType: string = resource.consistsOf[0].target[TYPE_PROPERTY_KEY];
      let resourceIdentification: ResourceIdentification;

      if (map.has(facetType)) {
        resourceIdentification = map.get(facetType);
      } else {
        resourceIdentification = new ResourceIdentification(facetType);
        map.set(facetType, resourceIdentification);
      }
      resourceIdentification.addResource(resource);
    }

    return map;

  }

}