import {Component, Input}          from '@angular/core';
import {Router, ActivatedRoute}    from '@angular/router';
import {Title, Meta}               from '@angular/platform-browser';

import {Observable}                from 'rxjs/Observable';

import {EnvProperties}             from '../utils/properties/env-properties';

import {PiwikService}              from '../utils/piwik/piwik.service';


@Component({
    selector: 'deposit',
    templateUrl: 'deposit.component.html'
})

export class DepositComponent {
  @Input() compatibility: string = '';
  @Input() mapUrl: string = null; // optional  in case i-frame is needed
  @Input() searchBySubjects: boolean = false; // optional: in case search by subjects is needed
  @Input() piwikSiteId = null;

  public status: number;

  // Type of entity: Publication or Research Data
  @Input() requestFor: string = "Publications";

  // url's needed for information text
  public openAccess: string;
  public openAccessRepo: string;
  public fp7Guidlines: string;
  public h2020Guidlines: string;
  public ercGuidlines: string;
  public helpdesk: string;

  // Id of the new selected organization to be searched
  public selectedId: string = "";

  public warningMessage: string = "";

  piwiksub:any;
  properties:EnvProperties;

  constructor (private  route: ActivatedRoute, private _router: Router,
               private _meta: Meta, private _title: Title,
               private _piwikService:PiwikService) {

      var title = "Deposit "+this.requestFor;
      var description = "Openaire,  repositories, open access,  content provider, compatibility, organization, deposit "+ this.requestFor;

      this.updateTitle(title);
      this.updateDescription(description);
  }
  ngOnInit() {
    this.route.data
      .subscribe((data: { envSpecific: EnvProperties }) => {
         this.properties = data.envSpecific;
         this.openAccess = this.properties.openAccess;
         this.openAccessRepo = this.properties.openAccessRepo;
         this.fp7Guidlines = this.properties.fp7Guidlines
         this.h2020Guidlines = this.properties.h2020Guidlines
         this.ercGuidlines = this.properties.ercGuidlines
         this.helpdesk = this.properties.helpdesk;
         this.updateUrl(data.envSpecific.baseLink+this._router.url);

         if(this.properties.enablePiwikTrack && (typeof document !== 'undefined')){
           this.piwiksub = this._piwikService.trackView(this.properties, "Deposit "+this.requestFor, this.piwikSiteId).subscribe();
         }
      });
    }
  ngOnDestroy() {
    if(this.piwiksub){
      this.piwiksub.unsubscribe();
    }
  }

  public organizationSelected(id: string) {
      console.info("organization selected");
      if(id && id.length > 0){
          if(this.requestFor == "Publications") {
              this._router.navigate( ['participate/deposit-publications-result'], { queryParams: { "organizationId": id } } );
          } else if(this.requestFor == "Research Data") {
              this._router.navigate( ['participate/deposit-datasets-result'], { queryParams: { "organizationId": id } } );
          }
      } else {
          this.warningMessage = "No organization selected";
      }
  }

  public valueChanged($event) {
    this.selectedId = $event.value;
  }

  private updateDescription(description:string) {
    this._meta.updateTag({content:description},"name='description'");
    this._meta.updateTag({content:description},"property='og:description'");
  }
  private updateTitle(title:string) {
    var _prefix ="OpenAIRE | ";
    var _title = _prefix + ((title.length> 50 ) ?title.substring(0,50):title);
    this._title.setTitle(_title);
    this._meta.updateTag({content:_title},"property='og:title'");
  }
  private updateUrl(url:string) {
    this._meta.updateTag({content:url},"property='og:url'");
  }
}