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 {PublicationInfo} from '../../utils/entities/publicationInfo';
import {RouterHelper} from '../../utils/routerHelper.class';

import {PiwikService} from '../../utils/piwik/piwik.service';
import {PublicationService} from './publication.service';
import {SEOService} from '../../sharedComponents/SEO/SEO.service';
import {HelperFunctions} from "../../utils/HelperFunctions.class";
import {HelperService} from "../../utils/helper/helper.service";


@Component({
  selector: 'publication',
  templateUrl: 'publication.component.html',

})

export class PublicationComponent {
  @Input() piwikSiteId = null;
  @Input() communityId = null;
  public publicationInfo: PublicationInfo;
  public articleId: string;

  // APP BOX variables
  public showAllCollectedFrom: boolean = false;
  public showAllDownloadFrom: boolean = false;

  public thresholdDescription: number = 270;
  public showNumDescription: number = 270;

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

  // Custom tab paging variables
  public referencesPage: number = 1;
  public organizationsPage: number = 1;
  public softwarePage: number = 1;
  public bioentitiesPage: number = 1;
  public openCitationsPage: number = 1;
  public pageSize: number = 10;
  /*
    public startt: number = 0;
    public stopp: number = 0;
  */

  // Active tab variable for responsiveness
  public activeTab: string = "References";

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

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

  public routerHelper: RouterHelper = new RouterHelper();

  private doi: string;
  public doiURL: string;
  private result;
  sub: any;
  piwiksub: any;
  infoSub: any;
  properties: EnvProperties;
  public pageContents = null;
  public divContents = null;

  constructor(private _publicationService: PublicationService,
              private _piwikService: PiwikService,
              private route: ActivatedRoute,
              private router: Router,
              private _meta: Meta,
              private _title: Title,
              private _router: Router,
              private helper: HelperService,
              private seoService: SEOService) {
  }

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

      });
    this.sub = this.route.queryParams.subscribe(data => {
      this.publicationInfo = null;
      this.updateTitle("Publication");
      this.updateDescription("");
      this.articleId = data['articleId'];

      this.metricsClicked = false;

      if (this.articleId) {

        this.getPublicationInfo(this.articleId);
        // if (typeof document !== 'undefined') {
        //   switcher(UIkit);
        // }
      } else {
        this.showLoading = false;
        this.warningMessage = "No valid publication id";
      }

      this.viewsFrameUrl = this.properties.framesAPIURL + 'merge.php?com=query&data=[{"query":"resRepoViews", "resTitle":"' + this.articleId + '", "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":["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.articleId + '", "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":["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';

      this.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.infoSub) {
      this.infoSub.unsubscribe();
    }
  }

  private getOpenCitations(id: string) {
    this._publicationService.getOpenCitations(this.articleId, this.properties).subscribe(
      data => {
        this.publicationInfo.openCitations = data[1];
      },
      err => {
        //console.log(err);
        this.handleError("Error getting open citation for publication with id: " + this.articleId, err);
      }
    );
  }

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

    this.publicationInfo = null;

    this.infoSub = this._publicationService.getPublicationInfo(this.articleId, this.properties).subscribe(
      data => {
        this.publicationInfo = data;
        this.seoService.createLinkForCanonicalURL(this.properties.baseLink + this.properties.searchLinkToPublication + this.publicationInfo.record["result"]["header"]["dri:objIdentifier"]);
        if ((this.properties.environment == "beta" || this.properties.environment == "development") && (typeof document !== 'undefined')) {
          this.getOpenCitations(this.articleId);
        }

        // this.result = []
        // this.result = {id: id, type :"dataset", source : "openaire", title: this.publicationInfo.title,url: '', result: '', accessRights: this.publicationInfo.bestaccessright, embargoEndDate: ''};
        /*if(this.publicationInfo.title.name != undefined && this.publicationInfo.title.name!= ''){
          this.updateTitle(this.publicationInfo.title.name);
          this.updateDescription("Dataset, search, repositories, open access,"+this.publicationInfo.title.name);
        }*/
        if (this.publicationInfo.title) {
          this.updateTitle(this.publicationInfo.title);
          this.updateDescription((this.publicationInfo.description ? (this.publicationInfo.description) : ("," + this.publicationInfo.title)));
        }
        if (this.properties.enablePiwikTrack && (typeof document !== 'undefined')) {
          this.piwiksub = this._piwikService.trackView(this.properties, this.publicationInfo.title/*.name*/, this.piwikSiteId).subscribe();
        }

        let bioentitiesNum = 0;
        if (this.publicationInfo.bioentities != undefined) {
          this.publicationInfo.bioentities.forEach(function (value, key, map) {
            bioentitiesNum += value.size;
          });
        }
        this.bioentitiesNum = bioentitiesNum;

        let relatedResearchResultsNum = 0;
        if (this.publicationInfo.relatedResearchResults != undefined) {
          this.publicationInfo.relatedResearchResults.forEach(function (value, key, map) {
            relatedResearchResultsNum += value.length;
          });
        }
        this.relatedResearchResultsNum = relatedResearchResultsNum;

        this.result = {
          id: this.articleId,
          type: "publication",
          source: "openaire",
          title: this.publicationInfo.title,
          url: '',
          result: '',
          accessRights: /*this.publicationInfo.title.accessMode*/this.publicationInfo.accessMode,
          embargoEndDate: ''
        };
        // this.result.push(result_);

        if (this.publicationInfo.identifiers != undefined && this.publicationInfo.identifiers.has('doi')) {
          this.doi = this.publicationInfo.identifiers.get('doi')[0];
        }

        this.showLoading = false;

        if (this.publicationInfo.references) {
          this.activeTab = "References";
        } else if (this.publicationInfo.relatedResearchResults) {
          this.activeTab = "Related Research Results";
        } else if (this.publicationInfo.similarResearchResults) {
          this.activeTab = "Similar Research Results";
        } else if (this.publicationInfo.organizations) {
          this.activeTab = "Related Organizations";
        } else if (this.publicationInfo.bioentities) {
          this.activeTab = "bioentities";
        } else if (this.publicationInfo.software) {
          this.activeTab = "Software";
        } else {
          this.activeTab = "Metrics";
          this.metricsClicked = true;
        }
      },
      err => {
        //console.log(err);
        this.handleError("Error getting publication for id: " + this.articleId, err);

        this.errorMessage = 'No publication found';
        this.showLoading = false;
        this.seoService.createLinkForCanonicalURL(this.properties.baseLink + this.properties.searchLinkToPublications);
      }
    );
  }

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

  public buildCurationTooltip() {
    let tooltipContent: string = "<div class='uk-margin uk-padding-small'>";

    tooltipContent += "<h4>Record in preview</h4>";
    tooltipContent += "<p>Bibliographic record accepted by the system, but not yet processed by <br> OpenAIRE tools for information quality improvement and de-duplication</p>";

    return tooltipContent += "</div>";
  }

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

  public updateSoftwarePage($event) {
    this.softwarePage = $event.value;
  }

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

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

  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();
  }

  /*
      start(i: number, bioentitiesPage: number) {
        let sum = 0;
        let index=0;
        let retValue = 0;
        let valuesToPage = this.pageSize*bioentitiesPage;
        let valuesToPreviousPage = valuesToPage - this.pageSize;

        if(bioentitiesPage == 1) {
          return 0;
        }

        this.publicationInfo.bioentities.forEach(function (value, key, map) {
          sum += map.get(key).size;

          if(index == i) {
            if(sum <= valuesToPreviousPage) {
              retValue =  0;
            } else if((sum-map.get(key).size) >= valuesToPage){
              retValue = 0;
            } else {
              if(map.get(key).size < (sum - valuesToPreviousPage)) {
                retValue = 0;
              } else {
                retValue = map.get(key).size - (sum - valuesToPreviousPage);
              }
            }
          }
          index++;
        });
        this.startt = retValue;
        return retValue;
      }

      stop(i: number, bioentitiesPage: number) {
        let sum = 0;
        let index=0;
        let retValue = 0;
        let valuesToPage = this.pageSize*bioentitiesPage;
        let valuesToPreviousPage = valuesToPage - this.pageSize;

        this.publicationInfo.bioentities.forEach(function (value, key, map) {
          sum += map.get(key).size;
          if(index == i) {
            if(sum <= valuesToPreviousPage) {
              retValue =  0;
            } else if((sum - map.get(key).size) >= valuesToPage){
              retValue = 0;
            } else {
              if(sum < valuesToPage) {
                retValue = map.get(key).size;
              } else {
                retValue = map.get(key).size - (sum - valuesToPage);
              }
            }
          }
          index++;
        });
        this.stopp = retValue;
        return retValue;
      }
  */

  private handleError(message: string, error) {
    console.error("Publication 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;
  }
}