import {ChangeDetectorRef, 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 {Id, ResultLandingInfo} from '../../utils/entities/resultLandingInfo';
import {RouterHelper} from '../../utils/routerHelper.class';

import {PiwikService} from '../../utils/piwik/piwik.service';
import {ResultLandingService} from './resultLanding.service';
import {SEOService} from '../../sharedComponents/SEO/SEO.service';
import {HelperFunctions} from '../../utils/HelperFunctions.class';
import {HelperService} from '../../utils/helper/helper.service';
import {Location} from "@angular/common";
import {MetricsService} from "../../services/metrics.service";
import {RelationResult, ResultPreview} from "../../utils/result-preview/result-preview";
import {IndexInfoService} from "../../utils/indexInfo.service";
import {Identifier, StringUtils} from "../../utils/string-utils.class";
import {properties} from "../../../../environments/environment";
import {ISVocabulariesService} from "../../utils/staticAutoComplete/ISVocabularies.service";
import {Subscription} from "rxjs";
import {AnnotationComponent} from "../annotation/annotation.component";
import {ParsingFunctions} from "../landing-utils/parsingFunctions.class";
import {ConnectHelper} from "../../connect/connectHelper";
import {UserManagementService} from "../../services/user-management.service";
import {OpenaireEntities} from "../../utils/properties/searchFields";

declare var UIkit;

@Component({
  selector: 'result-landing',
  templateUrl: 'resultLanding.component.html',
})
export class ResultLandingComponent {
  @Input() type: string = "publication";
  @Input() piwikSiteId = properties.piwikSiteId;
  @Input() communityId = null;
  enermapsId;
  @ViewChild('linkModal') linkModal;
  @ViewChild('citeModal') citeModal;
  @ViewChild('addThisModal') addThisModal;
  @ViewChild('AlertModalDeletedByInference') alertModalDeletedByInference;
  @ViewChild('relationModal') relationModal;
  public deleteByInferenceOpened: boolean = false;
  @Input() public resultFromInput: boolean = false;
  @Input() public resultLandingInfo: ResultLandingInfo;
  public supplementaryResults: RelationResult[];
  public relation: string = 'trust';
  public id: string;
  public title: string;

  /*Show all organizations*/
  public viewAllOrganizations: boolean = false;
  public lessBtnOrganizations: boolean = false;
  public thresholdOrganizations: number = 5;
  @ViewChild('organizationsModal') organizationsModal;


  // Links for SEO
  public linkToLandingPage: string = null;
  public canonicalUrl: string = null;
  public linkToSearchPage: string = null;

  public citeThisClicked: boolean;

  // Metrics tab variables
  public metricsClicked: boolean;
  public hasAltMetrics: boolean = false;
  public viewsFrameUrl: string;
  public downloadsFrameUrl: string;
  public totalViews: number = null;
  public totalDownloads: number = null;
  public pageViews: number = null;

  // Custom tab paging variables
  public referencesPage: number = 1;
  public bioentitiesPage: number = 1;
  public relatedPage: number = 1;
  public similarPage: number = 1;
  public supplementaryPage: number = 1;
  public supplementedByPage: number = 1;
  public organizationsPage: number = 1;
  public openCitationsPage: number = 1;
  public pageSize: number = 10;

  // Map counting variables
  public bioentitiesNum: number = 0;
  public relatedResultsNum: number = 0;

  // Message variables
  public errorMessage = "";
  public showLoading: boolean = true;

  public routerHelper: RouterHelper = new RouterHelper();
  public activeTab: string = null;
  private reloadEnermapsDetails: boolean = true;
  public enermapsDetails: any;

  private doi: string;
  subscriptions = [];
  properties: EnvProperties = properties;
  public openaireEntities = OpenaireEntities;

  public indexUpdateDate: Date;
  public pageContents = null;
  public divContents = null;
  public showFeedback: boolean = false;
  public feedbackFields: string [] = [
    'Title', 'Authors', 'Access rights',
    'Publisher information', 'Funding Information',
    'Persistent identifiers', 'Sustainable Development Goals (SDG)',
		'Fields of Science and Technology (FOS)', 'Other'];

  public pidsArrayString: string = "";
  public identifier: Identifier;

  public isLoggedIn: boolean = false;
  public pid: string;
  @ViewChild("annotation") annotation: AnnotationComponent;
	public contextsWithLink: any;

  public relatedClassSelected: string = "";
  public filteredRelatedResults: RelationResult[];

  public offset: number;
  @ViewChild("graph_and_feedback") graph_and_feedback;
  public stickyHeader: boolean = false;

  public viewAll: string = "";
  public noCommunities: boolean = false;

  public rightSidebarOffcanvasClicked: boolean = false;

  constructor(private _resultLandingService: ResultLandingService,
              private _vocabulariesService: ISVocabulariesService,
              private _piwikService: PiwikService,
              private route: ActivatedRoute,
              private router: Router,
              private _meta: Meta,
              private _title: Title,
              private _router: Router,
              private helper: HelperService,
              private seoService: SEOService,
              private metricsService: MetricsService,
              private cdr: ChangeDetectorRef,
              private _location: Location,
              private indexInfoService: IndexInfoService,
              private userManagementService: UserManagementService) {
  }

  ngOnInit() {
    this.subscriptions.push(this.userManagementService.getUserInfo().subscribe(user => {
      this.isLoggedIn = !!user;
    }, error => { this.isLoggedIn = false}  ));
    if (typeof document !== 'undefined') {
      this.subscriptions.push(this.indexInfoService.getLastIndexDate(this.properties).subscribe(lastIndexUpdate => {
        if (lastIndexUpdate) {
          this.indexUpdateDate = new Date(lastIndexUpdate);
        }
      }));
    }
    //this.getDivContents();
    this.getPageContents();
    this.updateUrl(this.properties.domain +this.properties.baseLink +  this._router.url);
    this.seoService.createLinkForCanonicalURL(this.properties.domain +this.properties.baseLink +  this._router.url);
    this.subscriptions.push(this.route.queryParams.subscribe(data => {
      if (data['articleId']) {
        this.id = data['articleId'];
        this.initMetaAndLinks("publication");
      } else if (data['datasetId']) {
        this.id = data['datasetId'];
        this.initMetaAndLinks("dataset");
      } else if (data['softwareId']) {
        this.id = data['softwareId'];
        this.initMetaAndLinks("software");
      } else if (data['orpId']) {
        this.id = data['orpId'];
        this.initMetaAndLinks("orp");
      } else if (data["id"]) {
        this.id = data["id"];
        this.initMetaAndLinks("result");
      } else if (data["pid"]) {
        this.identifier = Identifier.getIdentifierFromString(decodeURIComponent(data["pid"]),false);

        if(!this.type) {
          this.type = "result";
        }
        this.initMetaAndLinks(this.type);
      }
      this.updateDescription("");

      this.metricsClicked = false;
      if(this.resultFromInput){
        this.id = this.resultLandingInfo.objIdentifier;
        this.type="publication";
      }
      if ((this.id && StringUtils.isOpenAIREID(this.id)) || (this.identifier)) {
        this.getProvenanceVocabularyAndResultLandingInfo();
      } else {
        this.showLoading = false;

        this._router.navigate(['/error'], {
          queryParams: {
            "page": this._location.path(true),
            "page_type": this.type
          }
        });
      }


      this.scroll();
    }));

    this.offset = Number.parseInt(getComputedStyle(document.documentElement).getPropertyValue('--navbar-height'));
  }

  calcGraphOffset() {
    if(this.graph_and_feedback && window) {
      return window.innerHeight-this.graph_and_feedback.nativeElement.offsetHeight+"px";
    }
    return 0;
  }

  private initMetaAndLinks(type: string) {
    if (type == "publication") {
      this.type = "publication";
      this.updateTitle("Publication");
      this.linkToLandingPage = this.properties.searchLinkToPublication;
      this.linkToSearchPage = this.properties.searchLinkToPublications;
      this.title = "Publication";
    } else if (type == "dataset") {
      this.updateTitle("Dataset");
      this.type = "dataset";
      this.linkToLandingPage = this.properties.searchLinkToDataset;
      this.linkToSearchPage = this.properties.searchLinkToDatasets;
      this.title = "Research Data";
    } else if (type == "software") {
      this.updateTitle("Software");
      this.type = "software";
      this.linkToLandingPage = this.properties.searchLinkToSoftwareLanding;
      this.linkToSearchPage = this.properties.searchLinkToSoftware;
      this.title = "Software";
    } else if (type == "orp") {
      this.type = "orp";
      this.updateTitle("Other Research Product");
      this.linkToLandingPage = this.properties.searchLinkToOrp;
      this.linkToSearchPage = this.properties.searchLinkToOrps;
      this.title = "Other Research Product";
    } else if (type == "result") {
      this.type = "result";
      this.updateTitle("Research Result");
      this.linkToLandingPage = this.properties.searchLinkToResult;
      this.linkToSearchPage = this.properties.searchLinkToResults;
      this.title = "Research Result";
    }
  }

  private getPageContents() {
    if (this.communityId) {
      this.subscriptions.push(this.helper.getPageHelpContents(this.properties, this.communityId, this._router.url).subscribe(contents => {
        this.pageContents = contents;
      }));
    }
  }

  private getDivContents() {
    if (this.communityId) {
      this.subscriptions.push(this.helper.getDivHelpContents(this.properties, this.communityId, this._router.url).subscribe(contents => {
        this.divContents = contents;
      }));
    }
  }

  ngOnDestroy() {
    this.subscriptions.forEach(subscription => {
      if (subscription instanceof Subscription) {
        subscription.unsubscribe();
      } else if (subscription instanceof Function) {
        subscription();
      }
    });
    this._vocabulariesService.clearSubscriptions();
  }

  public pidInit(event) {
    this.pid = event;
    this.cdr.detectChanges();
  }


  public getTypeName(): string {
    if (this.type === "dataset") {
      return "research data";
    } else if (this.type === "orp" || this.type === "other") {
      return "research product";
    } else {
      return this.type;
    }
  }

  public removeUnknown(array: string[], type: boolean = false): string[] {
    if (type) {
      return this.removeDuplicates(array).filter(value => value.toLowerCase() !== 'unknown');
    } else {
      return array.filter(value => value.toLowerCase() !== 'unknown');
    }
  }

  public removeDuplicates(array: string[]): string[] {
    let type = this.getTypeName();
    return array.filter(value => value.toLowerCase() !== type);
  }

  private getOpenCitations() {
    this.subscriptions.push(this._resultLandingService.getOpenCitations(this.id, this.properties).subscribe(
      data => {
        this.resultLandingInfo.openCitations = data[1];
      },
      err => {
        this.handleError("Error getting open citation for " + this.type + " with id: " + this.id, err);
      }
    ));
  }

  private getProvenanceVocabularyAndResultLandingInfo() {
    this.errorMessage = '';
    this.showLoading = true;

    if (typeof document !== 'undefined') {
      this.subscriptions.push(this._vocabulariesService.getProvenanceActionVocabulary(this.properties).subscribe(
        provenanceActionVocabulary => {
          this.getResultLandingInfo(provenanceActionVocabulary);
        }, err => {
          this.getResultLandingInfo(null);
          this.handleError("Error getting provenance action vocabulary for " + this.type, err);
        }
      ));
    } else {
      this.getResultLandingInfo(null);
    }

  }

  private setActiveTab() {
    if (this.hasPrimaryInfo) {
      this.activeTab = 'summary';
    } else if (this.resultLandingInfo.references && this.resultLandingInfo.references.length > 0) {
      this.activeTab = 'references';
      // } else if ((this.resultLandingInfo.supplementaryResearchResults && this.resultLandingInfo.supplementaryResearchResults.length > 0) ||
      //   (this.resultLandingInfo.supplementedByResearchResults && this.resultLandingInfo.supplementedByResearchResults.length > 0)) {
      //   this.activeTab = 'supplementary';
      // } else if ((this.resultLandingInfo.relatedResearchResults && this.resultLandingInfo.relatedResearchResults.length > 0) ||
      //   (this.resultLandingInfo.similarResearchResults && this.resultLandingInfo.similarResearchResults.length > 0)) {
      //   this.activeTab = 'related';
    } else if (this.resultLandingInfo.relatedResults && this.resultLandingInfo.relatedResults.length > 0) {
      this.activeTab = "all_related";
    } else if (this.resultLandingInfo.bioentities && this.bioentitiesNum > 0) {
      this.activeTab = 'bioentities';
    } else if(this.enermapsId && this.properties.enermapsURL) {
      this.activeTab = "enermaps";
    }
  }

  // private get numberOfTabs(): number {
  //   let numberOfTabs = 0;
  //   if(this.hasPrimaryInfo || this.hasSecondaryInfo) {
  //     numberOfTabs++;
  //   }
  //   if(this.resultLandingInfo.references && this.resultLandingInfo.references.length > 0) {
  //     numberOfTabs++;
  //   }
  //   if((this.resultLandingInfo.supplementaryResearchResults && this.resultLandingInfo.supplementaryResearchResults.length > 0) ||
  //     (this.resultLandingInfo.supplementedByResearchResults && this.resultLandingInfo.supplementedByResearchResults.length > 0)) {
  //     numberOfTabs++;
  //   }
  //   if((this.resultLandingInfo.relatedResearchResults && this.resultLandingInfo.relatedResearchResults.length > 0) ||
  //     (this.resultLandingInfo.similarResearchResults && this.resultLandingInfo.similarResearchResults.length > 0)) {
  //     numberOfTabs++;
  //   }
  //   if(this.resultLandingInfo.bioentities && this.bioentitiesNum > 0) {
  //     numberOfTabs++;
  //   }
  //   return numberOfTabs;
  // }

  private getResultLandingInfo(provenanceActionVocabulary: any) {
    if(this.resultFromInput && this.resultLandingInfo){
      this.showLoading = false;
      return;
    }
    this.resultLandingInfo = null;
    this.hasAltMetrics = false;
    this.subscriptions.push(this._resultLandingService.getResultLandingInfo(this.id, this.identifier, this.type, provenanceActionVocabulary, this.properties).subscribe(
      data => {
        this.resultLandingInfo = data;
        this.id = this.resultLandingInfo.objIdentifier;
        //old
        // this.viewsFrameUrl = this.properties.framesAPIURL + 'merge.php?com=query&data=[{"query":"resRepoViews", "resTitle":"' + this.id + '", "table":"","fields":[{"fld":"sum","agg":"sum","type":"column","yaxis":1,"c":false}],"xaxis":{"name":"month","agg":"sum"},"group":" ","color":"","type":"chart","size":200,"sort":"xaxis","xStyle":{"r":-30,"s":"6","l":"-","ft":"-","wt":"-"},"title":"","subtitle":"","xaxistitle":"Repository","yaxisheaders":["Monthly views"],"generalxaxis":"","theme":0,"in":[],"filters":[{"name":"","values":[""],"to":"-1"}]}]&info_types=["column"]&stacking=normal&steps=false&fontFamily=Courier&spacing=[5,0,0,0]&style=[{"color":"rgba(0, 0, 0, 1)","size":"18"},{"color":"rgba(0, 0, 0, 1)","size":"18"},{"color":"000000","size":""},{"color":"000000","size":""}]&backgroundColor=rgba(255,255,255,1)&colors[]=rgba(67, 67, 72, 1)&colors[]=rgba(144, 237, 125, 1)&colors[]=rgba(247, 163, 92, 1)&colors[]=rgba(128, 133, 233, 1)&colors[]=rgba(241, 92, 128, 1)&colors[]=rgba(228, 211, 84, 1)&colors[]=rgba(43, 144, 143, 1)&colors[]=rgba(244, 91, 91, 1)&colors[]=rgba(145, 232, 225, 1)&xlinew=0&ylinew=1&legends=true&tooltips=true&persistent=false';
        // this.downloadsFrameUrl = this.properties.framesAPIURL + 'merge.php?com=query&data=[{"query":"resRepoDownloads", "resTitle":"' + this.id + '", "table":"","fields":[{"fld":"sum","agg":"sum","type":"column","yaxis":1,"c":false}],"xaxis":{"name":"month","agg":"sum"},"group":" ","color":"","type":"chart","size":200,"sort":"xaxis","xStyle":{"r":-30,"s":"6","l":"-","ft":"-","wt":"-"},"title":"","subtitle":"","xaxistitle":"Repository","yaxisheaders":["Monthly downloads"],"generalxaxis":"","theme":0,"in":[],"filters":[{"name":"","values":[""],"to":"-1"}]}]&info_types=["column"]&stacking=normal&steps=false&fontFamily=Courier&spacing=[5,0,0,0]&style=[{"color":"rgba(0, 0, 0, 1)","size":"18"},{"color":"rgba(0, 0, 0, 1)","size":"18"},{"color":"000000","size":""},{"color":"000000","size":""}]&backgroundColor=rgba(255,255,255,1)&colors[]=rgba(67, 67, 72, 1)&colors[]=rgba(144, 237, 125, 1)&colors[]=rgba(247, 163, 92, 1)&colors[]=rgba(128, 133, 233, 1)&colors[]=rgba(241, 92, 128, 1)&colors[]=rgba(228, 211, 84, 1)&colors[]=rgba(43, 144, 143, 1)&colors[]=rgba(244, 91, 91, 1)&colors[]=rgba(145, 232, 225, 1)&xlinew=0&ylinew=1&legends=true&tooltips=true&persistent=false';
        //new
        this.viewsFrameUrl = this.properties.statisticsFrameNewAPIURL + 'chart?json='  + encodeURIComponent('{"library":"HighCharts","chartDescription":{"queries":[{"name":"Monthly views","type":"column","query":{"name":"usagestats.results.views.monthly", "parameters":["' + this.id + '"], "profile":"OpenAIRE All-inclusive" }}],"chart":{"backgroundColor":"#FFFFFFFF","borderColor":"#335cadff","borderRadius":0,"borderWidth":0,"plotBorderColor":"#ccccccff","plotBorderWidth":0},"title":{"text":"Monthly views"},"subtitle":{},"yAxis":{"title":{"text":""}},"xAxis":{"title":{}},"lang":{"noData":"No Data available for the Query"},"exporting":{"enabled":false},"plotOptions":{"series":{"dataLabels":{"enabled":false}}},"legend":{"enabled":false},"credits":{"href":null,"enabled":true,"text":""}}}');
        this.downloadsFrameUrl = this.properties.statisticsFrameNewAPIURL + 'chart?json='  +
          encodeURIComponent('{"library":"HighCharts","chartDescription":{"queries":[{"name":"Monthly downloads","type":"column","query":{"name":"usagestats.results.downloads.monthly", "parameters":["' + this.id + '"], "profile":"OpenAIRE All-inclusive" }}],"chart":{"backgroundColor":"#FFFFFFFF","borderColor":"#335cadff","borderRadius":0,"borderWidth":0,"plotBorderColor":"#ccccccff","plotBorderWidth":0},"title":{"text":"Monthly downloads"},"subtitle":{},"yAxis":{"title":{"text":""}},"xAxis":{"title":{}},"lang":{"noData":"No Data available for the Query"},"exporting":{"enabled":false},"plotOptions":{"series":{"dataLabels":{"enabled":false}}},"legend":{"enabled":false},"credits":{"href":null,"enabled":true,"text":""}}}');
        let pid:Identifier = Identifier.getResultPIDFromIdentifiers(this.resultLandingInfo.identifiers);
        if (this.type == "result") { // no type was specified - update URL based this.resultLandingInfo.resultType
          this.updateUrlWithType(pid);
        }
        this.canonicalUrl = this.properties.domain+ properties.baseLink  + ( pid ? (this.linkToLandingPage.split("?")[0] + "?pid=" + encodeURIComponent(pid.id)):
          (this.linkToLandingPage + this.resultLandingInfo.relcanId));
        this.seoService.createLinkForCanonicalURL(this.canonicalUrl);
        this.updateUrl(this.canonicalUrl);
        if ((this.type == "publication") && (this.properties.environment == "beta" || this.properties.environment == "development") && (typeof document !== 'undefined')) {
          // this.getOpenCitations();
        }
        this.addNoIndexFilter();
        if (this.resultLandingInfo.title) {
          this.updateTitle(this.resultLandingInfo.title);
          this.updateDescription((this.resultLandingInfo.description && this.resultLandingInfo.description[0] ? (this.resultLandingInfo.description[0].substr(0,157)  + (this.resultLandingInfo.description[0].substr(0,157).length == 157?"...":"")) : (this.resultLandingInfo.title)));
        }
        if (this.properties.enablePiwikTrack && (typeof document !== 'undefined')) {
          this.subscriptions.push(this._piwikService.trackViewForCustomUrl(this.properties, this.resultLandingInfo.title, this.linkToLandingPage.split("?")[1] + this.id ,this.piwikSiteId).subscribe());
        }

        let bioentitiesNum = 0;
        if (this.resultLandingInfo.bioentities != undefined) {
          this.resultLandingInfo.bioentities.forEach(function (value, key, map) {
            bioentitiesNum += value.size;
          });
        }
        this.bioentitiesNum = bioentitiesNum;
        if (typeof document !== 'undefined') {
          if(this.resultLandingInfo.identifiers) {
            let pidsArray: string[] = [];
            for(let key of Array.from(this.resultLandingInfo.identifiers.keys())) {
              pidsArray = pidsArray.concat(this.resultLandingInfo.identifiers.get(key));
              this.pidsArrayString = pidsArray.join();
            }
            if (this.resultLandingInfo.identifiers.has('doi')) {
              this.doi = this.resultLandingInfo.identifiers.get('doi')[0];
              this.subscriptions.push(this.metricsService.hasAltMetrics(this.properties.altMetricsAPIURL, this.doi).subscribe(hasAltMetrics => {
                this.hasAltMetrics = hasAltMetrics;
              }, error => {
                this.hasAltMetrics = false;
              }));
            }
          }
        }
        if(this.communityId && this.communityId == "enermaps" && properties.enermapsURL){
          this.enermapsId = ParsingFunctions.getEnermapsConceptId(this.resultLandingInfo.contexts);
        }

        this.relatedClassSelected = "";
        this.filteredRelatedResults = this.resultLandingInfo.relatedResults;

        this.showLoading = false;
        this.setActiveTab();

        this.cdr.detectChanges();
      },
      err => {
        this.handleError("Error getting " + this.type + " for " + (this.id ? ("id: " + this.id) : ("pid: " + this.identifier.id + " ("+this.identifier.class+")")), err);
        if (err.status == 404) {
          this._router.navigate(['/error'], {queryParams: {"page": this._location.path(true), "page_type": this.type}});
        }else if(err.name == "TimeoutError"){
          this.errorMessage = 'An error occurred please try again later';
        }else{
          if (this.type == "publication" || this.type == "software") {
            this.errorMessage = 'No ' + this.type + ' found';
          } else if (this.type == "dataset") {
            this.errorMessage += "No research data found";
          } else if (this.type == "orp") {
            this.errorMessage += "No research product found";
          }
          this.seoService.createLinkForCanonicalURL(this.properties.domain+ properties.baseLink  + this.linkToSearchPage);
        }
        this.showLoading = false;
      }
    ));
  }

  public metricsResults($event) {
    this.totalViews = $event.totalViews;
    this.totalDownloads = $event.totalDownloads;
    this.pageViews = $event.pageViews;
  }

  public get hasPrimaryInfo(): boolean {
        return !!this.resultLandingInfo && (
      (!!this.resultLandingInfo.description && this.resultLandingInfo.description.length > 0)
      || !!this.resultLandingInfo.subjects
      || (!!this.resultLandingInfo.organizations && this.resultLandingInfo.organizations.length > 0));
  }

  public get hasRightSidebarInfo(): boolean {
    return (this.resultLandingInfo.showEgiNotebookButton && properties.adminToolsPortalType == 'explore'
    && (properties.environment == 'beta' || properties.environment == 'development'))
      ||
      (this.resultLandingInfo.sdg && this.resultLandingInfo.sdg.length > 0)
      ||
      (this.resultLandingInfo.fos && this.resultLandingInfo.fos.length > 0)
      ||
      (this.resultLandingInfo.fundedByProjects && this.resultLandingInfo.fundedByProjects.length > 0)
      ||
      (this.resultLandingInfo.contexts && this.resultLandingInfo.contexts.length > 0 && !this.noCommunities)
      ||
      (this.resultLandingInfo.hostedBy_collectedFrom && this.resultLandingInfo.hostedBy_collectedFrom.length > 0);
  }

  public get metricsCalculated(): boolean {
    return this.totalViews != null || this.totalDownloads != null || this.pageViews != null;
  }

  public get hasMetrics(): boolean {
    // return !(this.totalViews && this.totalDownloads && this.pageViews) || this.totalViews > 0 || this.totalDownloads > 0 || this.pageViews > 0;
    return !(this.totalViews != null && this.totalDownloads != null && this.pageViews != null) || this.totalViews > 0 || this.totalDownloads > 0 || this.pageViews > 0;
    // return (this.totalViews == null || this.totalViews > 0) || (this.totalDownloads && this.totalDownloads > 0) || (this.pageViews && this.pageViews > 0);
  }

  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'");
  }

  public totalPages(totalResults: number): number {
    let totalPages: any = totalResults / this.pageSize;
    if (!(Number.isInteger(totalPages))) {
      totalPages = (parseInt(totalPages, this.pageSize) + 1);
    }
    return totalPages;
  }

  public updateReferencesPage($event) {
    this.referencesPage = $event.value;
  }

  public updateBioentitiesPage($event) {
    this.bioentitiesPage = $event.value;
  }

  public updateRelatedPage($event) {
    this.relatedPage = $event.value;
  }

  public updateSimilarPage($event) {
    this.similarPage = $event.value;
  }

  public updateSupplementaryPage($event) {
    this.supplementaryPage = $event.value;
  }

  public updateSupplementedByPage($event) {
    this.supplementedByPage = $event.value;
  }

  public updateOrganizationsPage($event) {
    this.organizationsPage = $event.value;
  }

  public updateOpenCitationsPage($event) {
    this.openCitationsPage = $event.value;
  }

  public accessClass(accessMode: string): string {
    if (accessMode.toLowerCase().indexOf('open') !== -1) {
      return 'open';
    } else if (accessMode.toLowerCase() === 'not available') {
      return 'unknown';
    } else {
      return 'closed';
    }
  }

  public keysToArray(bioentities: Map<string, string>): string[] {
    let keys: string[] = [];
    bioentities.forEach(function (value, key, map) {
      keys.push(key);
    });
    return keys;
  }

  public getKeys(map) {
    return Array.from(map.keys());
  }

  public scroll() {
    HelperFunctions.scroll();
  }

  private handleError(message: string, error) {
    if (this.type == "publication") {
      console.error("Publication Landing Page: " + message, error);
    } else if (this.type == "dataset") {
      console.error("Research Data Landing Page: " + message, error);
    } else if (this.type == "software") {
      console.error("Software Landing Page: " + message, error);
    } else if (this.type == "orp") {
      console.error("Other Research Product Landing Page: " + message, error);
    } else {
      console.error("Landing Page: " + message, error);
    }
  }

  isRouteAvailable(routeToCheck: string) {
    for (let i = 0; i < this.router.config.length; i++) {
      let routePath: string = this.router.config[i].path;
      if (routePath == routeToCheck) {
        return true;
      }
    }
    return false;
  }

  openDeletedByInference() {
    this.deleteByInferenceOpened = true;
    this.alertModalDeletedByInference.cancelButton = false;
    this.alertModalDeletedByInference.okButton = false;
    this.alertModalDeletedByInference.alertTitle = "Other versions of";
    this.alertModalDeletedByInference.open();
  }

  public getResultPreview(result: RelationResult): ResultPreview {
    return ResultPreview.relationResultConvert(result);
  }

  updateUrlWithType(pid) {
    this.type = this.resultLandingInfo.resultType;

    if (this.type == "publication") {
      this.linkToLandingPage = this.properties.searchLinkToPublication;
      this.linkToSearchPage = this.properties.searchLinkToPublications;
    } else if (this.type == "dataset") {
      this.linkToLandingPage = this.properties.searchLinkToDataset;
      this.linkToSearchPage = this.properties.searchLinkToDatasets;
    } else if (this.type == "software") {
      this.linkToLandingPage = this.properties.searchLinkToSoftwareLanding;
      this.linkToSearchPage = this.properties.searchLinkToSoftware;
    } else if (this.type == "other") {
      this.type = "orp";
      this.linkToLandingPage = this.properties.searchLinkToOrp;
      this.linkToSearchPage = this.properties.searchLinkToOrps;
    }
    if(!this.identifier) {
      this._location.go(( pid ? (this.linkToLandingPage.split("?")[0] + "?pid=" + pid.id):
        (this.linkToLandingPage + this.id)));
    }
    // else {
    //   this._location.go(this.linkToLandingPage.split("?")[0] + "?pid=" + this.identifier.id);
    // }
  }

  public getReferenceUrl(id: Id): string {
    if (id.type === "doi") {
      return this.properties.doiURL + id.value;
    } else if (id.type === "pmc") {
      return this.properties.pmcURL + id.value;
    } else if (id.type === "pmid") {
      return this.properties.pmidURL + id.value;
    } else if (id.type === "handle") {
      return this.properties.handleURL + id.value;
    } else {
      return null;
    }
  }

  public getReferenceIdName(id: Id): string {
    if (id.type === "doi") {
      return 'DOI'
    } else if (id.type === "pmc") {
      return 'Europe PMC'
    } else if (id.type === "pmid") {
      return 'PubMed';
    } else if (id.type === "handle") {
      return 'Handle.NET';
    } else {
      return null;
    }
  }

  public openLinkModal() {
    this.linkModal.cancelButton = false;
    this.linkModal.okButton = false;
    this.linkModal.alertTitle = "Link this " + this.getTypeName() + " to";
    this.linkModal.open();
  }

  public openCiteModal() {
    this.citeThisClicked = true;
    this.citeModal.cancelButton = false;
    this.citeModal.okButton = false;
    this.citeModal.alertTitle = "Cite this " + this.getTypeName();
    this.citeModal.open();
  }

  public openAddThisModal() {
    this.addThisModal.cancelButton = false;
    this.addThisModal.okButton = false;
    this.addThisModal.alertTitle = "Share this " + this.getTypeName() + " in your social networks";
    this.addThisModal.open();
  }

  private addNoIndexFilter() {
    let allow = this.checkIfAllowed(this.resultLandingInfo);
    if(!allow) {
      // console.log("no index");
      this._meta.updateTag({content: 'noindex'}, "name='robots'");
    }
  }

  checkIfAllowed(resultLandingInfo: ResultLandingInfo) {
    let publicCommunities: string[] = [ "covid-19" ];
    try {
      if(!(this.properties.environment == "production" || this.properties.environment == "development") ) {
        return true;
      }else {
         let allow =  !!(
             // !resultLandingInfo.underCurationMessage &&
           ((resultLandingInfo.fundedByProjects && resultLandingInfo.fundedByProjects.length > 0)
             || resultLandingInfo.journal
             || (resultLandingInfo.classifiedSubjects && resultLandingInfo.classifiedSubjects.size > 0)
               //allow free text keywords
             || (resultLandingInfo.otherSubjects && resultLandingInfo.otherSubjects.size > 0)
             || (resultLandingInfo.subjects && resultLandingInfo.subjects.length > 0)

             || (resultLandingInfo.organizations && resultLandingInfo.organizations.length > 0)
             || resultLandingInfo.bioentities || (resultLandingInfo.references && resultLandingInfo.references.length > 0)
             // || (resultLandingInfo.relatedResearchResults && resultLandingInfo.relatedResearchResults.length > 0)
             // || (resultLandingInfo.similarResearchResults && resultLandingInfo.similarResearchResults.length > 0)
             // || (resultLandingInfo.supplementaryResearchResults && resultLandingInfo.supplementaryResearchResults.length > 0)
             // || (resultLandingInfo.supplementedByResearchResults &&
             || (resultLandingInfo.relatedResults && resultLandingInfo.relatedResults.length > 0)
           ) 
           //&& (resultLandingInfo.description && resultLandingInfo.description[0] && resultLandingInfo.description[0].length >=50 &&  resultLandingInfo.description[0].length <=5000)
        );
        // console.log("rich content " + allow)
        //spam words to exclude - need to be in lower case
        let title_authors_words = ["movie","hd","film","kimetsu", "1080p","4k","call of duty", "mobile hack", "tubydi", "电影","電影","download ebook","download [ebook]","düşük hapı", "düşük hapi"];
        let abstract_words = ["operacao-feliz-natal.blogspot.com", "moviedouban.site", "hack-expert-solution.link"];
        allow = allow &&  !(
          (this.hasKeyword(resultLandingInfo.title,title_authors_words) || (resultLandingInfo.authors && this.hasKeyword(resultLandingInfo.authors.map(o => o.fullName).join(" "),title_authors_words))
            || (resultLandingInfo.description && resultLandingInfo.description[0] && this.hasKeyword(resultLandingInfo.description[0],abstract_words))
          ) &&
          ((resultLandingInfo.publisher && resultLandingInfo.publisher.toLowerCase() == "zenodo") ||
            resultLandingInfo.hostedBy_collectedFrom.filter(value => {
              return value.downloadNames && value.downloadNames.filter(name => {return name && name.toLowerCase().indexOf("zenodo") != 1}).length > 0
            }).length > 0));
        // console.log("spam content " + allow)
        //common titles/ description / authors
        let common_titles = ["introduction", "editorial", "book reviews", "preface", "reviews", "none", "book review", "foreword", "conclusion", "review", "reply","einleitung","short notices","erratum","discussion", "letters to the editor","letter to the editor","reviews of books",":{unav)","editorial board"];
        let common_abstract = ["international audience","n/a","peer reviewed","national audience","info:eu-repo/semantics/published","-",".","graphical abstract","met lit. opg","international audience; no abstract",'<jats:p>.</jats:p>',"politics","info:eu-repo/semantics/publishedversion","copia digital. madrid : ministerio de educación, cultura y deporte, 2016",'<jats:p />',"peer-reviewed","copia digital. madrid : ministerio de educación, cultura y deporte. subdirección general de coordinación bibliotecaria, 2015","<jats:p>-</jats:p>","imperial users only","yüksek lisans"];
        let common_authors = ["[s.n.]","null &na;","nn","(:unap)","(:null)","null anonymous","anonymous"];
        allow = allow &&  !(
          this.isKeyword(resultLandingInfo.title,common_titles) || (resultLandingInfo.description && resultLandingInfo.description[0] && this.isKeyword(resultLandingInfo.description[0],common_abstract)) ||
          (resultLandingInfo.authors && this.hasKeyword("_"+resultLandingInfo.authors.map(o => o.fullName).join("_")+"_",common_authors, "_"))
        );
        // console.log("common content " + allow)
        //community filter
        allow = allow &&  ((properties.adminToolsPortalType == 'explore' &&
            (!resultLandingInfo.contexts || resultLandingInfo.contexts.length == 0 ||
              resultLandingInfo.contexts.filter( context => { return publicCommunities.includes(context.idContext) }).length == 0)) ||
          (properties.adminToolsPortalType != 'explore' && properties.adminToolsPortalType != 'community') ||
          (properties.adminToolsPortalType == 'community' && (!!resultLandingInfo.contexts &&
              resultLandingInfo.contexts.filter( context => { return ConnectHelper.getCommunityFromDomain(properties.domain) == context.idContext }).length > 0)
          )
        );
        // console.log("community " + allow )
        return allow;
      }
    } catch (e) {
      console.error("Error in passNoIndexFilter()", resultLandingInfo.relcanId, e);
      return false;
    }
  }

  private hasKeyword(value:string, words:string[], wordSuffix = ""){
    return value?words.filter( word => { return value.toLowerCase().indexOf(wordSuffix + word + wordSuffix)!=-1}).length > 0:0;
  }
  private isKeyword(value:string, words:string[]){
    return value?words.filter( word => { return value.toLowerCase() == word}).length > 0:0;
  }

  public onSelectActiveTab(activeTabId) {
    if (this.activeTab != activeTabId) {   // tab really changed
      this.activeTab = activeTabId;
      if (activeTabId == 'enermaps' && this.properties.enermapsURL) {
        this.getEnermapsDetails(this.enermapsId);
      }
    }
  }

  private getEnermapsDetails(id: string) {
    if (this.reloadEnermapsDetails) {
      this.subscriptions.push(this._resultLandingService.getEnermapsDetails(id).subscribe(
        data => {
          this.enermapsDetails = data;
          this.reloadEnermapsDetails = false;
        },
        error => {
          console.error("Error in fetching enermaps details ",error);
        }
      ))
    }
  }

	public enrichContexts(contextsWithLink: any) {
		this.contextsWithLink = contextsWithLink;
	}

  public relatedClassChanged() {
    this.relatedPage = 1;
    this.filteredRelatedResults = this.resultLandingInfo.relatedResults.filter(result => !this.relatedClassSelected || result.relationName.toLowerCase() == this.relatedClassSelected.toLowerCase());
  }

  public viewAllOrganizationsClick() {
    this.viewAllOrganizations = true;
    if(this.resultLandingInfo.organizations.length <= this.thresholdOrganizations*2) {
      this.lessBtnOrganizations = true;
    } else {
      this.openOrganizationsModal();
    }
  }

  public openOrganizationsModal() {
    this.organizationsModal.cancelButton = false;
    this.organizationsModal.okButton = false;
    this.organizationsModal.alertTitle = "Related Organizations";
    this.organizationsModal.open();
  }
}