D-Net

import {Component, Input, ViewChild} from '@angular/core';

import {ActivatedRoute, Router} from '@angular/router';

import {Meta, Title} from '@angular/platform-browser';

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

import {ClaimEntity, ShowOptions} from '../claim-utils/claimHelper.class';

import {EntitiesSearchService} from '../../utils/entitiesAutoComplete/entitySearch.service';

import {SEOService} from '../../sharedComponents/SEO/SEO.service';

import {AlertModal} from "../../utils/modal/alert";

import {HelperFunctions} from "../../utils/HelperFunctions.class";

import {HelperService} from "../../utils/helper/helper.service";

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

import {Subscriber} from "rxjs";

import {properties} from "../../../../environments/environment";

declare var UIkit:any;

@Component({

    selector: 'linking-generic',

    templateUrl: 'linkingGeneric.component.html'

})

export class LinkingGenericComponent {

  @Input() piwikSiteId = null;

  @Input() pageTitle: string = " Create links between research objects";

  piwiksub:any;

  @Input() communityId:string= null;

  sourceType:string;

  targetType:string;

  step:number = 1;

  @Input() results:ClaimEntity[] = [];

  @Input() inlineEntity:ClaimEntity = null;

  basketLimit =100;

  @Input() showOptions:ShowOptions = new ShowOptions();

  //show values: source, result, project, context, claim

  // linkTo /values: result, project, context

  // show linkToEntities /values: result, project, context

  @Input() sources:ClaimEntity[] =[];

  properties:EnvProperties;

  @Input() localStoragePrefix:string = "linking_";

  url=null;

  @ViewChild(AlertModal) alert;

  public pageContents = null;

  constructor (private _router: Router,  private route: ActivatedRoute, private entitySearch:EntitiesSearchService,

               private _meta: Meta, private _title: Title,  private _piwikService:PiwikService,

               private seoService: SEOService, private helper: HelperService ) {

  }

  subscriptions = [];

  ngOnInit() {

    this.showOptions.show = 'source';

    if(this.inlineEntity){

      this.showOptions.basketShowSources  = false;

      this.showOptions.basketShowLinksTo = true;

      this.showOptions.show = this.showOptions.linkTo;

    }

       this.properties = properties;

       this.url = this.properties.domain + this.properties.baseLink+this._router.url;

        var description = "Linking is a functionality provided by OpenAIRE, in order to link research results with a project, a research community or other research results.";

        this.updateTitle(this.pageTitle);

        this.updateDescription(description);

        this.updateUrl(this.url);

        this.seoService.createLinkForCanonicalURL(this.url, false);

        if(this.properties.enablePiwikTrack && (typeof document !== 'undefined')){

          this.subscriptions.push(this._piwikService.trackView(this.properties, this.pageTitle, this.piwikSiteId).subscribe());

        }

        this.helper.getPageHelpContents(this.properties, this.communityId, this._router.url).subscribe(contents => {

          this.pageContents = contents;

        })

      if( typeof localStorage !== 'undefined') {

        this.localStoragePrefix +=(this.communityId?this.communityId+"_":"");

        if(localStorage.getItem(this.localStoragePrefix + "results")){

          this.results  = JSON.parse(localStorage.getItem(this.localStoragePrefix + "results"));

        }

        if(localStorage.getItem(this.localStoragePrefix + "sources")){

          this.sources  = JSON.parse(localStorage.getItem(this.localStoragePrefix + "sources"));

        }

    }

  }

  ngOnDestroy() {

    this.subscriptions.forEach(subscription => {

      if (subscription instanceof Subscriber) {

        subscription.unsubscribe();

      }

    });

  }

  openSelectionModal() {

    this.alert.cancelButton = false;

    this.alert.okButton = false;

    this.alert.alertTitle = "Select the type of Entity to Link to your sources";

    // this.alert.message = "<div>All the links you provided will be published in the OpenAIRE platform. " +

    //   "<br>Make sure you have checked all the information you provided. In some cases some links take more time to be published. " +

    //   "<br>For more information please check the linking status in My-Links page. " +

    //   "<br><br>Do you confirm the information you provide are valid?</div>";

    this.alert.open();

  }

  closeSelectionModal(show:string=null) {

    if(show){

      this.showOptions.show = show;

      this.showOptions.basketShowSources=false;

      this.showOptions.basketShowLinksTo=true;

    }

    this.alert.cancel();

    this.scrollUp();

  }

  scrollUp(){

    HelperFunctions.scroll();

  }

  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 ="";

    if(!this.communityId) {

      _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'");

  }

}