import {Component, Input, ViewChild} from '@angular/core';
import { ActivatedRoute} from '@angular/router';

import { Filter, Value} from '../../openaireLibrary/searchPages/searchUtils/searchHelperClasses.class';

import {SearchResult}     from '../../openaireLibrary/utils/entities/searchResult';
import {ErrorCodes} from '../../openaireLibrary/utils/properties/errorCodes';
import {SearchFields, FieldDetails} from '../../openaireLibrary/utils/properties/searchFields';
import {SearchPageTableViewComponent } from '../../openaireLibrary/searchPages/searchUtils/searchPageTableView.component';
import {SearchUtilsClass } from '../../openaireLibrary/searchPages/searchUtils/searchUtils.class';
import {EnvProperties} from '../../openaireLibrary/utils/properties/env-properties';
import {SearchCommunityProjectsService} from '../../openaireLibrary/connect/projects/searchProjects.service';
import {PiwikHelper} from '../../utils/piwikHelper';
import {ConnectHelper} from '../../openaireLibrary/connect/connectHelper';

@Component({
    selector: 'openaire-search-projects',
    template: `

    <search-page-table    pageTitle="OpenAIRE Projects Table"
                          type="projects" entityType="project" [(filters)] = "filters"
                          [(results)] = "results"  [(searchUtils)] = "searchUtils"
                          [columnNames]="columnNames"
                          [showResultCount]=false
                          [disableForms]="disableForms"
                          searchFormClass="projectsTableSearchForm"
                          formPlaceholderText="Search for Projects">
    </search-page-table>
    `

})
export class OpenaireSearchProjectsComponent {
  private errorCodes: ErrorCodes;

  public columnNames = ['Project', 'GrantId', 'Funder'];
  public results =[];
  public filters =[];
  public searchUtils:SearchUtilsClass = new SearchUtilsClass();
  public sub: any; public subResults: any;
  public _location:Location;
  public searchFields:SearchFields = new SearchFields();
  public refineFields: string[] = [];// =  this.searchFields.JOURNAL_FIELDS;
  properties:EnvProperties;

  public disableForms: boolean = false;

  private communityId: string = '';

  @ViewChild (SearchPageTableViewComponent) searchPage : SearchPageTableViewComponent ;
  piwikSiteId = null;

  constructor (private route: ActivatedRoute, private _searchProjectsService: SearchCommunityProjectsService) {
    this.errorCodes = new ErrorCodes();
    this.searchUtils.status = this.errorCodes.LOADING;
    var communityId = ConnectHelper.getCommunityFromDomain(document.location.hostname);
    this.piwikSiteId = PiwikHelper.siteIDs[communityId];
  }

  public ngOnInit() {
    this.route.data
      .subscribe((data: { envSpecific: EnvProperties }) => {
        this.properties = data.envSpecific;

    //this.searchPage.refineFields = this.refineFields;
    this.sub =  this.route.queryParams.subscribe(params => {
      this.communityId = params['communityId'];
      if(!this.communityId){
        this.communityId  = ConnectHelper.getCommunityFromDomain(document.location.hostname);
      }
      this.searchUtils.keyword = (params['keyword']?params['keyword']:'');
      //this.filters = this.createFilters();
      //this.searchPage.getParametersFromUrl(params);

      this._getResults(params);
    });
    });
  }

  public ngOnDestroy() {
    if(this.sub){
      this.sub.unsubscribe();
    }
    if(this.subResults){
      this.subResults.unsubscribe();
    }
  }
    private _getResults(params){
      this.searchUtils.status = this.errorCodes.LOADING;
      this.disableForms = true;
      this.results = [];
      this.searchUtils.totalResults = 0;

      let size: number = 0;

      this.subResults = this._searchProjectsService.searchProjects(this.properties, this.communityId).subscribe(
          data => {
            this.filters = this.createFilters(data, params);

            console.info(data);
            this.searchUtils.totalResults = data.length;
            console.info("search Projects [total results:"+this.searchUtils.totalResults+"]");
            this.results = data;

            this.searchPage.checkSelectedFilters(this.filters);

            //var errorCodes:ErrorCodes = new ErrorCodes();
            this.searchUtils.status = this.errorCodes.DONE;
            if(this.searchUtils.totalResults == 0 ){
              this.searchUtils.status = this.errorCodes.NONE;
            }
            this.disableForms = false;
            this.searchPage.triggerInitialLoad();
            this.searchPage.transform(this.results);
          },
          err => {
            console.log(err);
             //TODO check erros (service not available, bad request)

            if(err.status == '404') {
              this.searchUtils.status = this.errorCodes.NOT_FOUND;
            } else if(err.status == '500') {
              this.searchUtils.status = this.errorCodes.ERROR;
            } else {
              this.searchUtils.status = this.errorCodes.NOT_AVAILABLE;
            }

            this.disableForms = false;
          }
      );
    }
  private setFilters(){
    //TODO set filters from
  }

  private createFilters(data, params):Filter[] {
    let length = Array.isArray(data) ? data.length : 1;

    var filter_names=["Funder"];
    var filter_ids=["relfunder"];
    var searchFields = new SearchFields();
    var filter_original_ids = ["relfunder"];//searchFields.JOURNAL_FIELDS;

    this.refineFields = ["relfunder"];
    this.searchPage.refineFields = this.refineFields;
    this.searchPage.getParametersFromUrl(params);

    var value_names=[/*["Journal", "Journal Aggregator\/Publisher"]*/];
    var value_original_ids=[/*["pubsrepository::journal", "aggregator::pubsrepository::journals"]*/];

    var funders = new Set<String>();
    var value_name = [];
    var value_original_id = [];
    let i;
    for(i=0; i<length; i++) {
      let resData = Array.isArray(data) ? data[i] : data;
      if(resData.funder && !funders.has(resData.funder)) {
        funders.add(resData.funder);
        value_name.push(resData.funder);
        value_original_id.push(resData.funder.trim());
      }
    }
    value_names.push(value_name);
    value_original_ids.push(value_original_id);

    var filters: Filter[] =[];
    for(i =0 ; i < filter_names.length;i++){
      var values:Value[] = [];
      for(var j =0 ; j < value_names[i].length;j++){
        var value:Value = {name: value_names[i][j], id: value_original_ids[i][j], number:j, selected:false}
        values.push(value);
      }
       var filter:Filter = {title: filter_names[i], filterId: filter_ids[i], originalFilterId:  filter_original_ids[i], values : values, countSelectedValues:0, "filterOperator": 'or' };
       filters.push(filter);
       console.info(filter);
    }
    return filters;
  }
}