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

import {ProjectService} from './project.service';
import {ProjectInfo} from '../../utils/entities/projectInfo';
import {RouterHelper} from '../../utils/routerHelper.class';

import {FetchResearchResults} from '../../utils/fetchEntitiesClasses/fetchResearchResults.class';
import {SearchResearchResultsService} from '../../services/searchResearchResults.service';

import {ModalLoading} from '../../utils/modal/loading.component';

import {ReportsService} from '../../services/reports.service';
import {ErrorCodes} from '../../utils/properties/errorCodes'

import {PiwikService} from '../../utils/piwik/piwik.service';
import {EnvProperties} from '../../utils/properties/env-properties';
import {SEOService} from '../../sharedComponents/SEO/SEO.service';
import {HelperFunctions} from "../../utils/HelperFunctions.class";
import {HelperService} from "../../utils/helper/helper.service";

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

export class ProjectComponent {
  @Input() piwikSiteId = null;
  @Input() communityId = null;
  public projectInfo: ProjectInfo;
  public projectId: string;
  public projectName: string;

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

  // Statistics tab variables
  public statsClicked: boolean;
  public chartScientificResultsUrl: string;
  public chartAccessModeUrl: string;
  public chartDatasourcesUrl: string;

  // HTML variables in APP BOX
  public publications_dynamic: string;
  public datasets_dynamic: string;
  public software_dynamic: string;
  public orps_dynamic: string;

  public project;

  // CSV variables
  public downloadURLAPI: string;
  public csvParams: string;
  public csvParamsDatasets: string;
  public csvParamsSoftware: string;
  public csvParamsOrps: string;

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

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

  // Request results for publications, research data and software 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;

  // Variables for publications, research data, software tabs
  public fetchPublications: FetchResearchResults;
  public linkToSearchPublications = "";
  public fetchDatasets: FetchResearchResults;
  public linkToSearchDatasets = "";
  public fetchSoftware: FetchResearchResults;
  public linkToSearchSoftware = "";
  public fetchOrps: FetchResearchResults;
  public linkToSearchOrps = "";

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

  @ViewChild(ModalLoading) loading: ModalLoading;
  // Alert box when something is wrong with CSV requests
  @ViewChild('AlertModalCsvError') alertCsvError;

  sub: any;
  piwiksub: any;
  infoSub: any;
  downloadFilePiwikSub: any;
  properties: EnvProperties;

  constructor(private _projectService: ProjectService,
              private _piwikService: PiwikService,
              private  route: ActivatedRoute,
              private router: Router,
              private _searchResearchResultsService: SearchResearchResultsService,
              private _reportsService: ReportsService,
              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.updateUrl(data.envSpecific.baseLink + this._router.url);

      });
    this.sub = this.route.queryParams.subscribe(params => {
      this.metricsClicked = false;
      this.statsClicked = false;
      this.fetchPublications = new FetchResearchResults(this._searchResearchResultsService);
      this.fetchDatasets = new FetchResearchResults(this._searchResearchResultsService);
      this.fetchSoftware = new FetchResearchResults(this._searchResearchResultsService);
      this.fetchOrps = new FetchResearchResults(this._searchResearchResultsService);

      var title = "Project";
      var description = "";

      this.updateTitle(title);
      this.updateDescription(description);
      this.projectId = params['projectId'];
      var grantId = params['grantId'];
      var funder = params['funder'];


      if (this.projectId) {
        this.getProjectInfo(this.projectId);
        this.actionsAfterLoadId();
      } else if (grantId && funder) {
        this.getProjectInfoByGrantId(grantId, funder);
      } else {

        this.showLoading = false;
        this.warningMessage = "No valid project id";
      }

      this.downloadURLAPI = this.properties.csvAPIURL;

      this.createClipboard();
      this.csvParams = "?format=csv-special&type=publications&fq=(((oaftype exact result) and (resulttypeid exact publication)) and (relprojectid exact \"" + this.projectId + "\"))";
      this.csvParamsDatasets = "?format=csv-special&type=datasets&fq=(((oaftype exact result) and (resulttypeid exact dataset)) and (relprojectid exact \"" + this.projectId + "\"))";
      this.csvParamsSoftware = "?format=csv-special&type=software&fq=(((oaftype exact result) and (resulttypeid exact software)) and (relprojectid exact \"" + this.projectId + "\"))";
      this.csvParamsOrps = "?format=csv-special&type=other&fq=(((oaftype exact result) and (resulttypeid exact other)) and (relprojectid exact \"" + this.projectId + "\"))";

      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;
    })
  }

  actionsAfterLoadId() {
    this.publications_dynamic =
      "<script type=\"text/javascript\">"
      + "\n<!--"
      + "\ndocument.write('<div id=\"oa_widget\"></div>');"
      + "\ndocument.write('<script type=\"text/javascript\""
      + " src=\"" + this.properties.widgetLink
      + this.projectId + "&type=publication\"></script>');"
      + "\n-->"
      + "\n</script>";

    this.datasets_dynamic =
      "<script type=\"text/javascript\">"
      + "\n<!--"
      + "\ndocument.write('<div id=\"oa_widget\"></div>');"
      + "\ndocument.write('<script type=\"text/javascript\""
      + " src=\"" + this.properties.widgetLink
      + this.projectId + "&type=dataset\"></script>');"
      + "\n-->"
      + "\n</script>";

    this.software_dynamic =
      "<script type=\"text/javascript\">"
      + "\n<!--"
      + "\ndocument.write('<div id=\"oa_widget\"></div>');"
      + "\ndocument.write('<script type=\"text/javascript\""
      + "\nsrc=\"" + this.properties.widgetLink
      + this.projectId + "&type=software\"></script>');"
      + "\n-->"
      + "\n</script>";

    this.orps_dynamic =
      "<script type=\"text/javascript\">"
      + "\n<!--"
      + "\ndocument.write('<div id=\"oa_widget\"></div>');"
      + "\ndocument.write('<script type=\"text/javascript\""
      + "\nsrc=\"" + this.properties.widgetLink
      + this.projectId + "&type=other\"></script>');"
      + "\n-->"
      + "\n</script>";

    this.getProjectInfo(this.projectId);
    //this.searchPublications();
    this.fetchPublications.getNumForEntity("publication", "project", this.projectId, this.properties);
    this.fetchDatasets.getNumForEntity("dataset", "project", this.projectId, this.properties);
    this.fetchSoftware.getNumForEntity("software", "project", this.projectId, this.properties);
    this.fetchOrps.getNumForEntity("other", "project", this.projectId, this.properties);
  }

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

  private createClipboard() {
    if (typeof window !== 'undefined') {

      let publ_clipboard, datasets_clipboard, software_clipboard, orps_clipboard;
      let Clipboard;
      Clipboard = require('clipboard');
      publ_clipboard = new Clipboard('.publ_clipboard_btn');
      datasets_clipboard = new Clipboard('.datasets_clipboard_btn');
      software_clipboard = new Clipboard('.software_clipboard_btn');
      orps_clipboard = new Clipboard('.orps_clipboard_btn');
    }
  }

  private searchPublications() {
    this.fetchPublications.getResultsForEntity("publication", "project", this.projectId, 1, 10, this.properties);
    this.linkToSearchPublications = this.properties.searchLinkToAdvancedPublications;// + "?project=" + this.projectId+"&pr=and";
    //if(this.fetchPublications.searchUtils.totalResults > 0) {
    //this.activeTab = "Publications";
    //} else {
    //this.searchDatasetsInit();
    //}
    this.reloadPublications = false;
  }

  private searchDatasets() {
    this.fetchDatasets.getResultsForEntity("dataset", "project", this.projectId, 1, 10, this.properties);
    this.linkToSearchDatasets = this.properties.searchLinkToAdvancedDatasets;// + "?project=" + this.projectId+"&pr=and";

    this.reloadDatasets = false;
    //this.activeTab = "Research Data";
  }

  private searchSoftware() {
    this.fetchSoftware.getResultsForEntity("software", "project", this.projectId, 1, 10, this.properties);
    this.linkToSearchSoftware = this.properties.searchLinkToAdvancedSoftware;
    this.reloadSoftware = false;
  }

  private searchOrps() {
    this.fetchOrps.getResultsForEntity("other", "project", this.projectId, 1, 10, this.properties);
    this.linkToSearchOrps = this.properties.searchLinkToAdvancedOrps;
    this.reloadOrps = false;
  }

  public searchPublicationsInit() {
    if (this.reloadPublications && this.fetchPublications.searchUtils.totalResults > 0) {
      this.searchPublications();
    } else if (this.fetchPublications.searchUtils.totalResults == 0) {
      //this.statsClicked=true;
      //this.activeTab = "Statistics";
    }
  }

  public searchDatasetsInit() {
    if (this.reloadDatasets && this.fetchDatasets.searchUtils.totalResults > 0) {
      this.searchDatasets();
    } else if (this.fetchDatasets.searchUtils.totalResults == 0) {
      //this.statsClicked=true;
      //this.activeTab = "Statistics";
    }
  }

  public searchSoftwareInit() {
    if (this.reloadSoftware && this.fetchSoftware.searchUtils.totalResults > 0) {
      this.searchSoftware();
    }
  }

  public searchOrpsInit() {
    if (this.reloadOrps && this.fetchOrps.searchUtils.totalResults > 0) {
      this.searchOrps();
    }
  }

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

    this.projectInfo = null;

    this.infoSub = this._projectService.getProjectInfo(id, this.properties).subscribe(
      data => {
        this.projectInfo = data;

        this.actionsAfterGettingProjectInfo();
      },
      err => {
        //console.log(err);
        this.handleError("Error getting project for id: " + this.projectId, err);
        this.seoService.createLinkForCanonicalURL(this.properties.baseLink + this.properties.searchLinkToProjects);
        this.errorMessage = 'No project found';
        this.showLoading = false;
      }
    );
  }

  private getProjectInfoByGrantId(grantId: string, funder: string) {
    this.warningMessage = '';
    this.errorMessage = ""
    this.showLoading = true;

    this.projectInfo = null;

    this._projectService.getProjectInfoByGrantId(grantId, funder, this.properties).subscribe(
      data => {

        this.projectInfo = data;

        this.actionsAfterGettingProjectInfo();
        this.projectId = this.projectInfo.id;
        this.actionsAfterLoadId();
      },
      err => {
        //console.log(err);
        this.handleError("Error getting project for grant id: " + grantId + " and funder: " + funder, err);
        this.seoService.createLinkForCanonicalURL(this.properties.baseLink + this.properties.searchLinkToProjects);
        this.errorMessage = 'No project found';
        this.showLoading = false;
      }
    );
  }

  actionsAfterGettingProjectInfo() {
    this.projectName = this.projectInfo.acronym;
    if (this.projectName == undefined || this.projectName == '') {
      this.projectName = this.projectInfo.title;
    }
    this.seoService.createLinkForCanonicalURL(this.properties.baseLink + this._router.url);
    this.updateTitle(this.projectName);
    this.updateDescription("project, " + this.projectName + "," + this.projectInfo.funder + "," + this.projectInfo.acronym);
    if (this.properties.enablePiwikTrack && (typeof document !== 'undefined')) {
      this.piwiksub = this._piwikService.trackView(this.properties, this.projectName, this.piwikSiteId).subscribe();
    }

    this.project = {
      funderId: "",
      funderName: this.projectInfo.funder,
      projectId: this.projectId,
      projectName: this.projectInfo.title,
      projectAcronym: this.projectInfo.acronym,
      startDate: this.projectInfo.startDate,
      endDate: this.projectInfo.endDate
    };

    this.viewsFrameUrl = this.properties.framesAPIURL + 'merge.php?com=query&data=[{"query":"projRepoViews","projTitle":"' + this.projectId + '","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.downloadsFrameUrl = this.properties.framesAPIURL + 'merge.php?com=query&data=[{"query":"projRepoDownloads","projTitle":"' + this.projectId + '","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';

    //stats tab charts
    this.chartScientificResultsUrl = this.properties.statisticsFrameAPIURL + 'chart.php?com=query&persistent=false&data={"query":"projScient","projTitle":"' + this.projectId + '", "table": "result", "fields": [{"fld": "number", "agg": "count", "type": "spline", "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=90%&h=90%';
    this.chartAccessModeUrl = this.properties.statisticsFrameAPIURL + 'chart.php?com=query&persistent=false&data={"query":"projOA","projTitle":"' + this.projectId + '", "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=90%&h=90%';
    this.chartDatasourcesUrl = this.properties.statisticsFrameAPIURL + 'chart.php?com=query&persistent=false&data={"query":"projPubsRepos","projTitle":"' + this.projectId + '", "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 Results"], "in": [], "filters": [{"name": "result_datasources-datasource-name", "values": [" "], "to": "-1"}], "having": [], "incfilters": [], "inchaving": [], "title": "", "subtitle": "", "xaxistitle": ""}&w=90%&h=90%';

    this.showLoading = false;
  }

  public downloadfile(url: string, filename: string) {
    this.openLoading();
    this.setMessageLoading("Downloading CSV file");

    this._reportsService.downloadCSVFile(url).subscribe(
      data => {
        this.closeLoading();

        var url = window.URL.createObjectURL(data);
        var a = window.document.createElement('a');
        window.document.body.appendChild(a);
        a.setAttribute('style', 'display: none');
        a.href = url;
        a.download = filename + ".csv";
        a.click();
        window.URL.revokeObjectURL(url);
        a.remove(); // remove the element

        //window.open(window.URL.createObjectURL(data));
        if (this.properties.enablePiwikTrack && (typeof document !== 'undefined')) {
          this.downloadFilePiwikSub = this._piwikService.trackDownload(this.properties, url).subscribe();
        }
      },
      error => {
        //console.log("Error downloading the file.");
        this.handleError("Error downloading file: " + filename, error);

        this.closeLoading();
        this.confirmOpenCsvError();
      }/*,
            () => console.log('Completed file download.')*/
    );
  }

  /*
      showHTML(){
        let info:string = "<h1>Publications of Project ";

        if(this.projectInfo.title != undefined && this.projectInfo.title != "") {
            info += this.projectInfo.title;
        }
        if((this.projectInfo.title != undefined && this.projectInfo.title != "") &&
           ((this.projectInfo.acronym != undefined && this.projectInfo.acronym != "") ||
            (this.projectInfo.callIdentifier != undefined && this.projectInfo.callIdentifier != ""))) {
                  info += "(";
        }
        if(this.projectInfo.acronym != undefined && this.projectInfo.acronym != "") {
            info += this.projectInfo.acronym + " - ";
        }
        if(this.projectInfo.callIdentifier != undefined && this.projectInfo.callIdentifier != "") {
            info += this.projectInfo.callIdentifier;
        }
        if((this.projectInfo.title != undefined && this.projectInfo.title != "") &&
           ((this.projectInfo.acronym != undefined && this.projectInfo.acronym != "") ||
            (this.projectInfo.callIdentifier != undefined && this.projectInfo.callIdentifier != ""))) {
                  info += ")";
        }
        info +="</h1>";
        info += "<h3>"+this.fetchPublications.searchUtils.totalResults+" publications</h3>";

        let htmlParams = 'resources?format=html&page=0&size='+this.fetchPublications.searchUtils.totalResults+'&type=publications&query=(((oaftype exact result) and (resulttypeid exact publication)) and (relprojectid exact "'+this.projectId+'"))';
        this._reportsService.downloadHTMLFile(this.downloadURLAPI+htmlParams, info)
            .subscribe(data => this.funct(data),
                        error => console.log("Error downloading the file."),
                        () => console.log('Completed file download.'));
       }

       funct(data) {
           var win = window.open(window.URL.createObjectURL(data));
       }
  */
  public metricsResults($event) {
    this.totalViews = $event.totalViews;
    this.totalDownloads = $event.totalDownloads;
    this.pageViews = $event.pageViews;
  }

  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 openLoading() {
    if (this.loading) {
      this.loading.open();
    }
  }

  private closeLoading() {
    if (this.loading) {
      this.loading.close();
    }
  }

  private setMessageLoading(message: string) {
    if (this.loading) {
      this.loading.message = message;
    }
  }

  public confirmOpenCsvError() {
    this.alertCsvError.cancelButton = false;
    this.alertCsvError.okButton = true;
    this.alertCsvError.alertTitle = "ERROR DOWNLOADING CSV FILE";
    this.alertCsvError.message = "There was an error in csv downloading. Please try again later.";
    this.alertCsvError.okButtonText = "OK";
    this.alertCsvError.open();
  }

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