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


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

import {DataProviderInfo} from '../../utils/entities/dataProviderInfo';
import {DataProviderService} from './dataProvider.service';
import {FetchPublications} from '../../utils/fetchEntitiesClasses/fetchPublications.class';
import {SearchPublicationsService} from '../../services/searchPublications.service';
import {FetchDatasets} from '../../utils/fetchEntitiesClasses/fetchDatasets.class';
import {SearchDatasetsService} from '../../services/searchDatasets.service';
import {FetchSoftware} from '../../utils/fetchEntitiesClasses/fetchSoftware.class';
import {SearchSoftwareService} from '../../services/searchSoftware.service';
import {FetchOrps} from '../../utils/fetchEntitiesClasses/fetchOrps.class';
import {SearchOrpsService} from '../../services/searchOrps.service';
import {FetchProjects} from '../../utils/fetchEntitiesClasses/fetchProjects.class';
import {SearchProjectsService} from '../../services/searchProjects.service';
import {FetchDataproviders} from '../../utils/fetchEntitiesClasses/fetchDataproviders.class';
import {SearchDataprovidersService} from '../../services/searchDataproviders.service';
import {ErrorCodes} from '../../utils/properties/errorCodes';
import {RouterHelper} from '../../utils/routerHelper.class';
import {PiwikService} from '../../utils/piwik/piwik.service';
import {SEOService} from '../../sharedComponents/SEO/SEO.service';
import {HelperFunctions} from "../../utils/HelperFunctions.class";
import {HelperService} from "../../utils/helper/helper.service";


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

export class DataProviderComponent {
  @Input() piwikSiteId = null;
  @Input() communityId = null;
  public dataProviderInfo: DataProviderInfo;
  public datasourceId: string;

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

  // Variable to specify requests with either collectedFrom or hostedBy
  public paramsForSearchLink = {};

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

  // Statistics tab variables
  public statsClicked: boolean = false;
  public docsTimelineUrl: string;
  public docsTypesUrl: string;
  public docsFunderUrl: string;
  public dataProjectsUrl: string;
  public pubsProjectsUrl: string;

  // Variables for publications, research data, projects, content providers, related content providers tabs
  public fetchPublications: FetchPublications;
  public fetchDatasets: FetchDatasets;
  public fetchSoftware: FetchSoftware;
  public fetchOrps: FetchOrps;
  public fetchProjects: FetchProjects;
  public fetchDataproviders: FetchDataproviders;
  public fetchAggregatorsPublications: FetchPublications;
  public fetchAggregatorsDatasets: FetchDatasets;
  public fetchAggregatorsSoftware: FetchSoftware;
  public fetchAggregatorsOrps: FetchOrps;

  public loadingRelatedDatasources: boolean = true;

  // Active tab variable for responsiveness - show tabs only if main request is completed
  public activeTab: string = "";
  public showTabs: boolean = false;

  public routerHelper: RouterHelper = new RouterHelper();
  public errorCodes: ErrorCodes = new ErrorCodes();
  public pageContents = null;
  public divContents = null;

  // Request results of each tab only the one time (first time tab is clicked)
  private reloadPublications: boolean = true;
  private reloadDatasets: boolean = true;
  private reloadSoftware: boolean = true;
  private reloadOrps: boolean = true;
  private reloadProjects: boolean = true;
  private reloadDataproviders: boolean = true;
  private reloadRelatedDatasources: boolean = true;

  sub: any;
  piwiksub: any;
  subInfo: any;
  relatedDatasourcesSub: any;
  properties: EnvProperties;

  constructor(private _dataproviderService: DataProviderService,
              private _piwikService: PiwikService,
              private route: ActivatedRoute,
              private _meta: Meta,
              private _title: Title,
              private _router: Router,
              private _searchPublicationsService: SearchPublicationsService,
              private _searchDatasetsService: SearchDatasetsService,
              private _searchSoftwareService: SearchSoftwareService,
              private _searchOrpsService: SearchOrpsService,
              private _searchProjectsService: SearchProjectsService,
              private _searchDataprovidersService: SearchDataprovidersService,
              private seoService: SEOService,
              private helper: HelperService) {
    this.fetchPublications = new FetchPublications(this._searchPublicationsService);
    this.fetchDatasets = new FetchDatasets(this._searchDatasetsService);
    this.fetchSoftware = new FetchSoftware(this._searchSoftwareService);
    this.fetchOrps = new FetchOrps(this._searchOrpsService);
    this.fetchProjects = new FetchProjects(this._searchProjectsService);
    this.fetchDataproviders = new FetchDataproviders(this._searchDataprovidersService);

  }

  ngOnInit() {
    this.route.data
      .subscribe((data: { envSpecific: EnvProperties }) => {
        this.properties = data.envSpecific;
        //this.getDivContents();
        this.getPageContents();
        this.updateUrl(data.envSpecific.baseLink + this._router.url);

      });
    this.sub = this.route.queryParams.subscribe(data => {
      this.updateTitle("Content provider");
      this.updateDescription("");
      this.datasourceId = data['datasourceId'];
      if (this.datasourceId) {
        this.getDataProviderInfo(this.datasourceId);
      }

      HelperFunctions.scroll();
    });
  }

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

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

  ngOnDestroy() {
    if (this.sub) {
      this.sub.unsubscribe();
    }
    if (this.piwiksub) {
      this.piwiksub.unsubscribe();
    }
    if (this.subInfo) {
      this.subInfo.unsubscribe();
    }

    if (this.relatedDatasourcesSub) {
      this.relatedDatasourcesSub.unsubscribe();
    }
  }

  private getDataProviderInfo(id: string) {
    this.warningMessage = '';
    this.errorMessage = ""
    this.showLoading = true;

    this.dataProviderInfo = null;

    this.showTabs = false;
    if (this.datasourceId == null || this.datasourceId == '') {
      this.showLoading = false;
      this.warningMessage = "No valid datasource id";
    } else {
      this.subInfo = this._dataproviderService.getDataproviderInfo(this.datasourceId, this.properties).subscribe(
        data => {
          this.dataProviderInfo = data;
          this.seoService.createLinkForCanonicalURL(this.properties.baseLink + this._router.url);
          if (typeof document !== 'undefined') {
            this.getDataProviderAggregationStatus(this.dataProviderInfo.originalId);
          }
          this.initTabs();
          this.showTabs = true;
          this.updateTitle(this.dataProviderInfo.title.name);
          this.updateDescription("Content provider, " + this.dataProviderInfo.title.name);
          if (this.properties.enablePiwikTrack && (typeof document !== 'undefined')) {
            this.piwiksub = this._piwikService.trackView(this.properties, this.dataProviderInfo.title.name, this.piwikSiteId).subscribe();
          }

          this.showLoading = false;

          if (this.dataProviderInfo.tabs != undefined && this.dataProviderInfo.tabs.length > 0) {
            this.activeTab = this.dataProviderInfo.tabs[0].name;
          }
        },
        err => {
          //console.log(err);
          this.handleError("Error getting content provider for id: " + this.datasourceId, err);
          this.errorMessage = 'No dataProvider found';
          this.showLoading = false;
          this.seoService.createLinkForCanonicalURL(this.properties.baseLink + this.properties.searchLinkToDataProviders);
        }
      );
    }
  }

  private getDataProviderAggregationStatus(originalId: string) {
    this.subInfo = this._dataproviderService.getDataproviderAggregationStatus(originalId, this.properties).subscribe(
      data => {
        this.dataProviderInfo.aggregationStatus = data;
      },
      err => {
        //console.log(err);
        this.handleError("Error getting content provider aggregation status for id: " + this.datasourceId, err);
      }
    );
  }

  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'");
  }

  private initTabs() {

    if (this.dataProviderInfo.tabs != undefined && this.dataProviderInfo.tabs.length > 0) {
      this.reloadPublications = true;
      this.reloadDatasets = true;
      this.reloadSoftware = true;
      this.reloadOrps = true;
      this.reloadProjects = true;
      this.reloadDataproviders = true;
      this.reloadRelatedDatasources = true;
      this.statsClicked = false;

      //this.search(this.dataProviderInfo.tabs[0].content, 1, 10);
      this.count(1, 0);

      this.metricsClicked = false;

      this.viewsFrameUrl = this.properties.framesAPIURL + 'merge.php?com=query&data=[{"query":"dtsrcRepoViews","dtsrcName":"' + this.datasourceId + '","table":"","fields":[{"fld":"sum","agg":"sum","type":"column","yaxis":1,"c":false}],"xaxis":{"name":"month","agg":"sum"},"group":"","color":"","type":"chart","size":30,"sort":"xaxis","xStyle":{"r":-30,"s":"0","l":"-","ft":"-","wt":"-"},"title":"","subtitle":"","xaxistitle":"","yaxisheaders":["Monthly views"],"generalxaxis":"","theme":0,"in":[]}]&info_types=["column"]&stacking=&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(124, 181, 236, 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.viewsFrameUrl = this.properties.framesAPIURL+'merge.php?com=query&data=[{"query":"dtsrcOpenAIRETimeline", "dtsrcName":"'+this.datasourceId+'", "table":"","fields":[{"fld":"sum","agg":"sum","type":"column","yaxis":1,"c":false}],"xaxis":{"name":"month","agg":"sum"},"group":"","color":"","type":"chart","size":30,"sort":"xaxis","xStyle":{"r":-30,"s":"0","l":"-","ft":"-","wt":"-"},"title":"","subtitle":"","xaxistitle":"OpenAIRE","yaxisheaders":["Monthly views"],"generalxaxis":"","theme":0,"in":[],"filters":[{"name":"","values":[""],"to":"-1"}]},{"query":"dtsrcRepoTimeline", "dtsrcName":"'+this.datasourceId+'", "table":"","fields":[{"fld":"sum","agg":"sum","type":"column","yaxis":1,"c":false}],"xaxis":{"name":"month","agg":"sum"},"group":" ","color":"","type":"chart","size":30,"sort":"xaxis","xStyle":{"r":-30,"s":"0","l":"-","ft":"-","wt":"-"},"title":"","subtitle":"","xaxistitle":"Repository","yaxisheaders":[""],"generalxaxis":"","theme":0,"in":[],"filters":[{"name":"","values":[""],"to":"-1"}]}]&info_types=["column","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(124, 181, 236, 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';
      */

      this.downloadsFrameUrl = this.properties.framesAPIURL + 'merge.php?com=query&data=[{"query":"dtsrcRepoDownloads","dtsrcName":"' + this.datasourceId + '","table":"","fields":[{"fld":"sum","agg":"sum","type":"column","yaxis":1,"c":false}],"xaxis":{"name":"month","agg":"sum"},"group":"","color":"","type":"chart","size":30,"sort":"xaxis","xStyle":{"r":-30,"s":"0","l":"-","ft":"-","wt":"-"},"title":"","subtitle":"","xaxistitle":"","yaxisheaders":["Monthly downloads"],"generalxaxis":"","theme":0,"in":[]}]&info_types=["column"]&stacking=&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(124, 181, 236, 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":"dtsrcDownloadsTimeline","dtsrcName":"'+this.datasourceId+'","table":"","fields":[{"fld":"sum","agg":"sum","type":"chart","yaxis":1,"c":false}],"xaxis":{"name":"month","agg":"sum"},"group":"","color":"","type":"chart","size":30,"sort":"xaxis","xStyle":{"r":-30,"s":"0","l":"-","ft":"-","wt":"-"},"title":"","subtitle":"","xaxistitle":"","yaxisheaders":["Monthly downloads"],"generalxaxis":"","theme":0,"in":[]}]&info_types=["spline"]&stacking=&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(124, 181, 236, 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';
      */

      this.docsTimelineUrl = this.properties.statisticsFrameAPIURL + 'chart.php?com=query&persistent=false&data={"query":"dtsrcYear","dtsrcName":"' + this.datasourceId + '","table": "result", "fields": [{"fld": "number", "agg": "count", "type": "line", "yaxis":1, "c":true}], "xaxis":{"name": "year", "agg": "avg"}, "group": "", "color": "", "type": "chart", "size":30, "sort": "xaxis", "xStyle":{"r": -30, "s": "-", "l": "-", "ft": "-", "wt": "-"}, "yaxisheaders": [""], "fieldsheaders": ["Research Results"], "in": [{"f":0, "text": "Yearly"}], "filters": [{"name":"year","max":"2016","min":"1997"},{"name": "result_datasources-datasource-name", "values":[""], "to": "-1"}],"having": [], "incfilters": [], "inchaving": [], "title": "", "subtitle": "", "xaxistitle": "Year"}&w=100%&h=250';
      this.docsTypesUrl = this.properties.statisticsFrameAPIURL + 'chart.php?com=query&persistent=false&data={"query":"dtsrcPubs","dtsrcName":"' + this.datasourceId + '", "table": "result", "fields": [{"fld": "number", "agg": "count", "type": "pie", "yaxis":1, "c":false}], "xaxis":{"name": "result_classifications-type", "agg": "avg"}, "group": "", "color": "", "type": "chart", "size":30, "sort": "xaxis", "xStyle":{"r": "-", "s": "-", "l": "-", "ft": "-", "wt": "-"}, "yaxisheaders": [""], "fieldsheaders": ["Research Results"], "in": [], "filters": [{"name": "result_datasources-datasource-name", "values": [""], "to": "-1"}], "having": [], "incfilters": [], "inchaving": [], "title": "", "subtitle": "", "xaxistitle": ""}&w=100%&h=250';
      this.docsFunderUrl = this.properties.statisticsFrameAPIURL + 'chart.php?com=query&persistent=false&data={"query":"dtsrcPubsFund","dtsrcName":"' + this.datasourceId + '", "table": "result", "fields": [{"fld": "number", "agg": "count", "type": "pie", "yaxis":1, "c":false}], "xaxis":{"name": "result_classifications-type", "agg": "avg"}, "group": "", "color": "", "type": "chart", "size":30, "sort": "xaxis", "xStyle":{"r": "-", "s": "-", "l": "-", "ft": "-", "wt": "-"}, "yaxisheaders": [""], "fieldsheaders": ["Research Results"], "in": [], "filters": [{"name": "result_datasources-datasource-name", "values": [""], "to": "-1"}], "having": [], "incfilters": [], "inchaving": [], "title": "", "subtitle": "", "xaxistitle": ""}&w=100%&h=250';
      this.dataProjectsUrl = this.properties.statisticsFrameAPIURL + 'chart.php?com=query&persistent=false&data={"query":"dtsrcProjData","dtsrcName":"' + this.datasourceId + '", "table": "result", "fields": [{"fld": "number", "agg": "count", "type": "bar", "yaxis":1, "c":false}], "xaxis":{"name": "result_classifications-type", "agg": "avg"}, "group": "", "color": "", "type": "chart", "size":30, "sort": "xaxis", "xStyle":{"r": "-", "s": "-", "l": "-", "ft": "-", "wt": "-"}, "yaxisheaders": [""], "fieldsheaders": ["Research Data"], "in": [], "filters": [{"name": "result_datasources-datasource-name", "values": [""], "to": "-1"}], "having": [], "incfilters": [], "inchaving": [], "title": "", "subtitle": "", "xaxistitle": ""}&w=100%&h=250';
      this.pubsProjectsUrl = this.properties.statisticsFrameAPIURL + 'chart.php?com=query&persistent=false&data={"query":"dtsrcProjPubs","dtsrcName":"' + this.datasourceId + '", "table": "result", "fields": [{"fld": "number", "agg": "count", "type": "bar", "yaxis":1, "c":false}], "xaxis":{"name": "result_classifications-type", "agg": "avg"}, "group": "", "color": "", "type": "chart", "size":30, "sort": "xaxis", "xStyle":{"r": "-", "s": "-", "l": "-", "ft": "-", "wt": "-"}, "yaxisheaders": [""], "fieldsheaders": ["Publications"], "in": [], "filters": [{"name": "result_datasources-datasource-name", "values": [""], "to": "-1"}], "having": [], "incfilters": [], "inchaving": [], "title": "", "subtitle": "", "xaxistitle": ""}&w=100%&h=250';

      //if({"name": "Publications", "content": "publicationsTab"} in this.dataProviderInfo.tabs) {
      //if(this.dataProviderInfo.tabs.some(function (tab) {
      //    return tab.name === 'Publications';
      //})) {
      //    this.relatedDataprovidersResultsType = 'publications';
      this.fetchAggregatorsPublications = new FetchPublications(this._searchPublicationsService);
      //} else {
      //   this.relatedDataprovidersResultsType = 'datasets';
      this.fetchAggregatorsDatasets = new FetchDatasets(this._searchDatasetsService);
      //}
      this.fetchAggregatorsSoftware = new FetchSoftware(this._searchSoftwareService);
      this.fetchAggregatorsOrps = new FetchOrps(this._searchOrpsService);
    }
    if (this.dataProviderInfo.resultsBy == "collectedFrom") {
      //this.paramsForSearchLink = "?collectedFrom="+this.datasourceId+"&co=and";
      this.paramsForSearchLink = this.routerHelper.createQueryParams(['collectedFrom', 'cl'], [this.datasourceId, 'and']);
    } else if (this.dataProviderInfo.resultsBy == "hostedBy") {
      //this.paramsForSearchLink = "?hostedBy="+this.datasourceId+"&ho=and";
      this.paramsForSearchLink = this.routerHelper.createQueryParams(['hostedBy', 'hs'], [this.datasourceId, 'and']);
    }

  }

  private count(page: number, size: number) {
    for (let i = 0; i < this.dataProviderInfo.tabs.length; i++) {
      let content: string = this.dataProviderInfo.tabs[i].content;

      if (content == 'publicationsTab') {
        this.countPublications(page, size);
      } else if (content == 'datasetsTab') {
        this.countDatasets(page, size);
      } else if (content == 'softwareTab') {
        this.countSoftware(page, size);
      } else if (content == 'orpsTab') {
        this.countOrps(page, size);
      } else if (content == 'projectsTab') {
        this.countProjects(page, size);
      } else if (content == 'datasourcesTab') {
        this.countDatasources(page, size);
      }// else if(content=='relatedDatasourcesTab') {
      //    this.countRelatedDatasources(page, size);
      //}
    }
  }

  public search(content: string, page: number, size: number) {
    if (content == 'publicationsTab') {
      this.searchPublications(page, size);
    } else if (content == 'datasetsTab') {
      this.searchDatasets(page, size);
    } else if (content == 'softwareTab') {
      this.searchSoftware(page, size);
    } else if (content == 'orpsTab') {
      this.searchOrps(page, size);
    } else if (content == 'projectsTab') {
      this.searchProjects(page, size);
    } else if (content == 'datasourcesTab') {
      this.searchDatasources(page, size);
    } else if (content == 'relatedDatasourcesTab') {
      this.searchRelatedDatasources(1, 0);
    } else if (content == 'metricsTab') {
      this.metricsClicked = true;
    } else if (content == 'statisticsTab') {
      this.statsClicked = !this.statsClicked;
    }
  }

  private searchPublications(page: number, size: number) {
    if (this.reloadPublications &&
      (this.fetchPublications.searchUtils.status == this.errorCodes.LOADING ||
        this.fetchPublications.searchUtils.status == this.errorCodes.DONE)) {
      this.fetchPublications.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
    }
    this.reloadPublications = false;
  }

  private countPublications(page: number, size: number) {
    this.fetchPublications.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
  }

  private searchDatasets(page: number, size: number) {
    if (this.reloadDatasets &&
      (this.fetchDatasets.searchUtils.status == this.errorCodes.LOADING ||
        this.fetchDatasets.searchUtils.status == this.errorCodes.DONE)) {
      this.fetchDatasets.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
    }
    this.reloadDatasets = false;
  }

  private countDatasets(page: number, size: number) {
    this.fetchDatasets.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
  }

  private searchSoftware(page: number, size: number) {
    if (this.reloadSoftware &&
      (this.fetchSoftware.searchUtils.status == this.errorCodes.LOADING ||
        this.fetchSoftware.searchUtils.status == this.errorCodes.DONE)) {
      this.fetchSoftware.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
    }
    this.reloadSoftware = false;
  }

  private countSoftware(page: number, size: number) {
    this.fetchSoftware.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
  }

  private searchOrps(page: number, size: number) {
    if (this.reloadOrps &&
      (this.fetchOrps.searchUtils.status == this.errorCodes.LOADING ||
        this.fetchOrps.searchUtils.status == this.errorCodes.DONE)) {
      this.fetchOrps.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
    }
    this.reloadOrps = false;
  }

  private countOrps(page: number, size: number) {
    this.fetchOrps.getResultsForDataproviders(this.datasourceId, this.dataProviderInfo.resultsBy, page, size, this.properties);
  }

  private searchProjects(page: number, size: number) {
    if (this.reloadProjects &&
      (this.fetchProjects.searchUtils.status == this.errorCodes.LOADING ||
        this.fetchProjects.searchUtils.status == this.errorCodes.DONE)) {
      this.fetchProjects.getResultsForDataproviders(this.datasourceId, page, size, this.properties);
    }
    this.reloadProjects = false;
  }

  private countProjects(page: number, size: number) {
    this.fetchProjects.getResultsForDataproviders(this.datasourceId, page, size, this.properties);
  }

  private searchDatasources(page: number, size: number) {
    if (this.reloadDataproviders &&
      (this.fetchDataproviders.searchUtils.status == this.errorCodes.LOADING ||
        this.fetchDataproviders.searchUtils.status == this.errorCodes.DONE)) {
      this.fetchDataproviders.getResultsForDataproviders(this.datasourceId, page, size, this.properties);
    }
    this.reloadDataproviders = false;
  }

  private countDatasources(page: number, size: number) {
    this.fetchDataproviders.getResultsForDataproviders(this.datasourceId, page, size, this.properties);
  }

  private searchRelatedDatasources(page: number, size: number) {
    // Currently no counting is done for this tab. Following condition is always false

    if (this.reloadRelatedDatasources &&
      (this.fetchAggregatorsPublications.searchUtils.status == this.errorCodes.LOADING ||
        this.fetchAggregatorsPublications.searchUtils.status == this.errorCodes.DONE)
      &&
      (this.fetchAggregatorsDatasets.searchUtils.status == this.errorCodes.LOADING ||
        this.fetchAggregatorsDatasets.searchUtils.status == this.errorCodes.DONE)
      &&
      (this.fetchAggregatorsSoftware.searchUtils.status == this.errorCodes.LOADING ||
        this.fetchAggregatorsSoftware.searchUtils.status == this.errorCodes.DONE)
      &&
      (this.fetchAggregatorsOrps.searchUtils.status == this.errorCodes.LOADING ||
        this.fetchAggregatorsOrps.searchUtils.status == this.errorCodes.DONE)) {
      this.relatedDatasourcesSub = observableMerge(this.fetchAggregatorsPublications.requestComplete, this.fetchAggregatorsDatasets.requestComplete, this.fetchAggregatorsSoftware.requestComplete, this.fetchAggregatorsOrps.requestComplete)
        .subscribe(
          data => {
          },
          err => {
          },
          () => {
            this.preprocessRelatedDatasources();
          }
        )

      this.fetchAggregatorsPublications.getAggregatorResults(this.datasourceId, page, size, this.properties);
      this.fetchAggregatorsDatasets.getAggregatorResults(this.datasourceId, page, size, this.properties);
      this.fetchAggregatorsSoftware.getAggregatorResults(this.datasourceId, page, size, this.properties);
      this.fetchAggregatorsOrps.getAggregatorResults(this.datasourceId, page, size, this.properties);
    } else {
      this.loadingRelatedDatasources = false;
    }


    this.reloadRelatedDatasources = false;
  }

  private countRelatedDatasources(page: number, size: number) {
    this.fetchAggregatorsPublications.getAggregatorResults(this.datasourceId, page, size, this.properties);
    this.fetchAggregatorsDatasets.getAggregatorResults(this.datasourceId, page, size, this.properties);
    this.fetchAggregatorsSoftware.getAggregatorResults(this.datasourceId, page, size, this.properties);
    this.fetchAggregatorsOrps.getAggregatorResults(this.datasourceId, page, size, this.properties);
  }


  private preprocessRelatedDatasources() {
    if (this.fetchAggregatorsPublications.searchUtils.status == this.errorCodes.DONE ||
      this.fetchAggregatorsDatasets.searchUtils.status == this.errorCodes.DONE ||
      this.fetchAggregatorsSoftware.searchUtils.status == this.errorCodes.DONE ||
      this.fetchAggregatorsOrps.searchUtils.status == this.errorCodes.DONE) {
      this.dataProviderInfo.relatedDatasources = new Map<string, { "name": string, "countPublications": string, "countDatasets": string, "countSoftware": string, "countOrps": string }>();
    }
    for (let result of this.fetchAggregatorsPublications.results) {
      if (!this.dataProviderInfo.relatedDatasources.has(result.id)) {
        this.dataProviderInfo.relatedDatasources.set(result.id, {
          "name": result.name,
          "countPublications": result.count,
          "countDatasets": "0",
          "countSoftware": "0",
          "countOrps": "0"
        });
      } else {
        this.dataProviderInfo.relatedDatasources.get(result.id).countPublications = parseInt(this.dataProviderInfo.relatedDatasources.get(result.id).countPublications + result.count) + "";
      }
    }

    for (let result of this.fetchAggregatorsDatasets.results) {
      if (!this.dataProviderInfo.relatedDatasources.has(result.id)) {
        this.dataProviderInfo.relatedDatasources.set(result.id, {
          "name": result.name,
          "countPublications": "0",
          "countDatasets": result.count,
          "countSoftware": "0",
          "countOrps": "0"
        });
      } else {
        this.dataProviderInfo.relatedDatasources.get(result.id).countDatasets = parseInt(this.dataProviderInfo.relatedDatasources.get(result.id).countDatasets + result.count) + "";
      }
    }

    for (let result of this.fetchAggregatorsSoftware.results) {
      if (!this.dataProviderInfo.relatedDatasources.has(result.id)) {
        this.dataProviderInfo.relatedDatasources.set(result.id, {
          "name": result.name,
          "countPublications": "0",
          "countDatasets": "0",
          "countSoftware": result.count,
          "countOrps": "0"
        });
      } else {
        this.dataProviderInfo.relatedDatasources.get(result.id).countSoftware = parseInt(this.dataProviderInfo.relatedDatasources.get(result.id).countSoftware + result.count) + "";
      }
    }

    for (let result of this.fetchAggregatorsOrps.results) {
      if (!this.dataProviderInfo.relatedDatasources.has(result.id)) {
        this.dataProviderInfo.relatedDatasources.set(result.id, {
          "name": result.name,
          "countPublications": "0",
          "countDatasets": "0",
          "countSoftware": "0",
          "countOrps": result.count
        });
      } else {
        this.dataProviderInfo.relatedDatasources.get(result.id).countOrps = parseInt(this.dataProviderInfo.relatedDatasources.get(result.id).countOrps + result.count) + "";
      }
    }
    this.loadingRelatedDatasources = false;
  }

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

  private handleError(message: string, error) {
    console.error("Content Provider Landing Page: " + message, error);
  }
}