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

import {Observable}                   from 'rxjs';

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

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 {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";

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

export class ProjectComponent{
  @Input() piwikSiteId = 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 : FetchPublications;
  public linkToSearchPublications = "";
  public fetchDatasets : FetchDatasets;
  public linkToSearchDatasets = "";
  public fetchSoftware: FetchSoftware;
  public linkToSearchSoftware = "";
  public fetchOrps: FetchOrps;
  public linkToSearchOrps = "";

  public routerHelper:RouterHelper = new RouterHelper();
  public errorCodes:ErrorCodes = new ErrorCodes();

  @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 _searchPublicationsService: SearchPublicationsService,
                private _searchDatasetsService: SearchDatasetsService,
                private _searchSoftwareService: SearchSoftwareService,
                private _searchOrpsService: SearchOrpsService,
                private _reportsService: ReportsService,
                private _meta: Meta,
                private _title: Title,
                private _router: Router,
              private seoService: SEOService) {
  }

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

      });
    this.sub =  this.route.queryParams.subscribe(params => {
        this.metricsClicked = false;
        this.statsClicked = false;
        this.fetchPublications = new FetchPublications( this._searchPublicationsService);
        this.fetchDatasets = new FetchDatasets(this._searchDatasetsService);
        this.fetchSoftware = new FetchSoftware(this._searchSoftwareService);
        this.fetchOrps = new FetchOrps(this._searchOrpsService);

        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();
  });
}

actionsAfterLoadId(){
  this.publications_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=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\""
       + "\nsrc=\""+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("project", this.projectId, this.properties);
 this.fetchDatasets.getNumForEntity("project", this.projectId, this.properties);
 this.fetchSoftware.getNumForEntity("project", this.projectId, this.properties);
 this.fetchOrps.getNumForEntity("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("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("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("project", this.projectId, 1, 10, this.properties);
      this.linkToSearchSoftware = this.properties.searchLinkToAdvancedSoftware;
      this.reloadSoftware = false;
  }

  private searchOrps() {
      this.fetchOrps.getResultsForEntity("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=100%&h=250';
  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=100%&h=250';
  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=100%&h=250';

  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 ="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;
  }
}