D-Net

import {Component, ElementRef, EventEmitter, Input, Output} from '@angular/core';

import {SearchProjectsService} from '../../services/searchProjects.service';

import {ProjectService} from '../../landingPages/project/project.service';

import {ClaimEntity, ClaimProject} from './claimHelper.class';

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

import {ErrorCodes} from '../../utils/properties/errorCodes';

import {StringUtils} from "../../utils/string-utils.class";

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

import {RangeFilter} from "../../utils/rangeFilter/rangeFilterHelperClasses.class";

import {SearchFields} from "../../utils/properties/searchFields";

import {NewSearchPageComponent} from "../../searchPages/searchUtils/newSearchPage.component";

import {Subscriber} from "rxjs";

declare var UIkit:any;

@Component({

    selector: 'claim-projects-search-form',

    templateUrl:'claimProjectSearchForm.component.html',

})

export class ClaimProjectsSearchFormComponent {

   ngOnInit() {

     // this.getFunders();

     // this.search(this.page, this.size);

   }

  //  @ViewChild (ModalLoading) loading : ModalLoading ;

  // @Input() public inline: boolean = false ; // for claimed started from landing pages

  public query = '';

  @Input() public selectedProjects:ClaimEntity[]=[] ;

  public elementRef;

  // public funders:string[];

  // public selectedFunderId:string ="0";

  // selectedFunderName:string ="Select funder:";

  @Output() projectSelected = new EventEmitter();

  @Input() public properties:EnvProperties;

  @Input() public inlineClaim:boolean=false;

  @Input()  localStoragePrefix:string = "";

  @Input() basketLimit;

  public errorCodes:ErrorCodes = new ErrorCodes();

  public projects:string[];

  public warningMessage = "";

  openaireResults:ClaimEntity[] = [];

  openaireResultsNum: number ;

  openaireResultsPage : number = 1;

  openaireResultsStatus:number = this.errorCodes.NONE;

  page : number = 1;

  size:number = 5;

  keyword:string = '';

  showResults = false;

  // public openaireRefineFields: string[] = ["relfunder",  "relproject", "resultbestaccessright", "instancetypename", "resultlanguagename", "community"];

  // public openaireRefineFieldsQuery: string = "&refine=true&fields=funder&fields=projectstartyear&fields=projectendyear&fields=projectecsc39";

  public refineFields: string[] = ["funder"];

  public refineFieldsQuery: string = "&refine=true&fields=funder";

  filters = [];

  prevFilters = [];

  // startYear = "";

  // endYear = "";

  public rangeFilters: RangeFilter[] = [];

  public searchFields: SearchFields = new SearchFields();

  public rangeFields:string[][] = this.searchFields.PROJECT_RANGE_FIELDS;

  constructor(private _service: ProjectService, private _projectService: SearchProjectsService, myElement: ElementRef) {

      this.elementRef = myElement;

    this.rangeFilters = RangeFilter.parse(this.rangeFields,"project");

  }

  sub;

  ngOnDestroy() {

    if (this.sub  instanceof Subscriber) {

      this.sub.unsubscribe();

    }

  }

  search(page,size) {

    if(this.keyword.length == 0){

      this.showResults =false;

      return;

    }

    this.showResults =true;

    this.openaireResults = [];

    this.openaireResultsStatus = this.errorCodes.LOADING;

    this.prevFilters = this.filters;

    //searchProjects (params: string, refineParams:string, page: number, size: number, refineFields:string[] , properties:EnvProperties ):any {

    this.sub = this._projectService.searchProjects(this.createOpenaireQueryParams(),(page==1)? this.refineFieldsQuery:null, page, size, (page==1)?this.refineFields:[], this.properties).subscribe(

      data => {

          if(data != null) {

              this.openaireResultsPage=page;

              this.openaireResultsNum = data[0];

              this.openaireResults =ClaimProjectsSearchFormComponent.openaire2ClaimEntity(data[1], this.properties);

              if(data[2] && data[2].length > 0){

                this.filters =  this.checkSelectedFilters( data[2], this.prevFilters);

              }

              this.openaireResultsStatus = this.errorCodes.DONE;

              if(this.openaireResultsNum == 0){

                this.openaireResultsStatus = this.errorCodes.NONE;

              }

          }else {

            this.openaireResultsStatus = this.errorCodes.ERROR;

          }

       },

      err => {

        this.openaireResultsStatus = this.errorCodes.ERROR;

        //console.log(err.status);

        ClaimProjectsSearchFormComponent.handleError("Error getting projects by keyword: "+this.keyword, err);

      }

    );

  }

// select(entity){

//   if(this.selectedProjects.length > 50){

//     UIkit.notification({

//         message : 'Your basket exceeds the number of allowed projects (50)',

//         status  : 'warning',

//         timeout : 1500,

//         pos     : 'top-center'

//     });

//     return;

//   }

//     this.query = "";

//     // this.searchTermStream.next(this.query); //clear

//     entity = entity.value;

//     // var project: ClaimProject = new ClaimProject();

//     // project.funderId = entity.funderId;

//     // project.funderName = entity.funderName;

//     // project.id = entity.id;

//     // project.projectName = entity.projectName;

//     // project.projectAcronym = entity.projectAcronym;

//     // project.startDate = entity.startDate;

//     // project.endDate = entity.endDate;

//     // project.code = entity.code;

//     // project.jurisdiction = entity.jurisdiction;

//     // project.fundingLevel0 = entity.fundingLevel0;

//

//

//     var index:number =this.selectedProjects.indexOf(entity);

//     var found:boolean = false;

//     this.warningMessage = "";

//

//     for (var _i = 0; _i < this.selectedProjects.length; _i++) {

//         let project = this.selectedProjects[_i];

//         if(entity.id == project.id){

//               found=true;

//               this.warningMessage = "Project already in your basket";

//         }

//      }

//

//     if (!found) {

//       this.selectedProjects.push(entity);

//       if(this.selectedProjects != null){

//         localStorage.setItem(this.localStoragePrefix + "projects", JSON.stringify(this.selectedProjects));

//       }

//       this.projectSelected.emit({

//         value: true

//       });

//

//     }

// }

/*  static showItem(item):string{

    return ((item.field[1]['@value'])?item.field[1]['@value']+" - ":"" ) + item.field[3]['@value'];

  }*/

  remove(item){

    let index:number =this.selectedProjects.indexOf(item);

     if (index > -1) {

        this.selectedProjects.splice(index, 1);

    }

  }

/*  handleClick(event){

   var clickedComponent = event.target;

   var inside = false;

   do {

       if (clickedComponent === this.elementRef.nativeElement) {

           inside = true;

       }

      clickedComponent = clickedComponent.parentNode;

   } while (clickedComponent);

  }*/

  static openaire2ClaimEntity(items, properties:EnvProperties){

    const projects: ClaimEntity[] = [];

    for(const item of items){

      const entity: ClaimEntity = new ClaimEntity();

      entity.project = new ClaimProject();

      entity.project.funderId = item.funderId;

      entity.project.funderName = item.funderShortname;

      entity.id = item.id;

      entity.project.url = properties.searchLinkToProject + entity.id;

      entity.title = item.title.name;

      entity.project.acronym = item.acronym;

      entity.project.startDate = item.startYear;

      entity.project.endDate = item.endYear;

      entity.project.code = item.code;

      entity.project.jurisdiction = item.jurisdiction;

      entity.project.fundingLevel0 = item.fundingLevel0;

      entity.type="project";

      projects.push(entity);

    }

    return projects;

  }

  private openaireResultsPageChange($event) {

     this.openaireResultsPage=$event.value;

     this.openaireResults = [];

     this.search(this.openaireResultsPage,this.size);

  }

  private static handleError(message: string, error) {

      console.error("Claim project search form (component): "+message, error);

  }

  createOpenaireQueryParams():string {

    let query = "";

    if(this.keyword.length > 0){

      query += "q=" + StringUtils.quote(StringUtils.URIEncode(this.keyword));

    }

    /*if(this.startYear.length > 0 ){

      query+='&fq=projectstartyear exact \"'+this.startYear+'\"'

    }

    if(this.endYear.length > 0 ){

      query+='&fq=projectendyear exact \"'+this.endYear+'\"'

    }*/

    let allFqs = "";

    for (let filter of this.filters){

      if(filter.countSelectedValues > 0){

        let count_selected=0;

        let fq = "";

        for (let value of filter.values){

          if(value.selected == true){

            count_selected++;

            fq+=(fq.length > 0 ? " " + filter.filterOperator + " ":"" ) + filter.filterId + " exact " + (StringUtils.quote(value.id));

          }

        }

        if(count_selected > 0){

          fq="&fq="+StringUtils.URIEncode(fq);

          allFqs += fq;

        }

      }

    }

    for (let i=0; i<this.rangeFilters.length; i++){

      let filter = this.rangeFilters[i];

      //selectedFromValue, selectedToValue, equalityOp, equalityOpFrom, equalityOpTo, filterOp ){

      allFqs+= NewSearchPageComponent.createRangeFilterQuery(this.rangeFields[i],filter.selectedFromValue, filter.selectedToValue, " within ", ">=" ,"<=", "and" )

    }

    return query+allFqs;

  }

  public yearChanged() {

    this.search(this.page, this.size);

  }

  filterChanged($event) {

    this.search(this.page, this.size);

  }

  public checkSelectedFilters(filters:Filter[], prevFilters:Filter[]){

    for(let i=0; i< filters.length ; i++){

      let filter:Filter = filters[i];

      filter.countSelectedValues = 0;

      let prevFilterSelectedValues:string[] = [];

      for(let j=0; j< prevFilters.length ; j++){

        if(filters[i].filterId == prevFilters[j].filterId){

          if(prevFilters[j].countSelectedValues >0){

            for(let filterValue of prevFilters[j].values) {

              if(filterValue.selected){

                prevFilterSelectedValues.push(filterValue.id);

              }

            }

          }

          break;

        }

      }

      for(let filterValue of filter.values) {

        if(prevFilterSelectedValues.indexOf(filterValue.id) > -1) {

          filterValue.selected = true;

          filter.countSelectedValues++;

        }

      }

    }

    return filters;

  }

  totalPages(totalResults: number): number {

    let totalPages:any = totalResults/(this.size);

    if(!(Number.isInteger(totalPages))) {

      totalPages = (parseInt(totalPages, 10) + 1);

    }

    return totalPages;

  }

  getSelectedValues(filter): any {

    var selected = [];

    if (filter.countSelectedValues > 0) {

      for (var i = 0; i < filter.values.length; i++) {

        if (filter.values[i].selected) {

          selected.push(filter.values[i]);

        }

      }

    }

    return selected;

  }

  dateFilterChanged(filter:RangeFilter) {

    if (filter.selectedFromValue && filter.selectedToValue) {

      filter.selectedFromAndToValues = filter.selectedFromValue + "-" + filter.selectedToValue;

    } else if (filter.selectedFromValue) {

      filter.selectedFromAndToValues = "From " + filter.selectedFromValue;

    } else if (filter.selectedToValue) {

      filter.selectedFromAndToValues = "Until " + filter.selectedToValue;

    }

    this.filterChanged(null);

  }

  private removeFilter(value: Value, filter: Filter) {

    filter.countSelectedValues--;

    if (value.selected == true) {

      value.selected = false;

    }

    // this.search(false);

    this.filterChanged(null);

  }

  public countFilters(): number {

    let filters = 0;

    for (let filter of this.filters) {

      if (filter.countSelectedValues > 0) {

        filters += filter.countSelectedValues;

      }

    }

    for (let filter of this.rangeFilters) {

      if (filter.selectedFromValue || filter.selectedToValue) {

        filters += 1;

      }

    }

    return filters;

  }

  private clearFilters() {

    for (let i = 0; i < this.filters.length; i++) {

      for (let j = 0; j < this.filters[i].countSelectedValues; j++) {

        if (this.filters[i].values[j].selected) {

          this.filters[i].values[j].selected = false;

        }

        this.filters[i].countSelectedValues = 0;

      }

    }

    for(let filter of this.rangeFilters){

      this.removeRangeFilter(filter);

    }

    this.filterChanged(null);

  }

  public removeRangeFilter(filter: RangeFilter) {

    filter.selectedFromValue = null;

    filter.selectedToValue = null;

    filter.selectedFromAndToValues = null;

    this.filterChanged(null);

  }

}