import {Component, Input, ViewChild} from '@angular/core';
import { ActivatedRoute} from '@angular/router';
import {Location} from '@angular/common';
import { Filter, Value} from '../searchUtils/searchHelperClasses.class';
import {SearchDataprovidersService} from '../../services/searchDataproviders.service';
import {SearchResult}     from '../../utils/entities/searchResult';
import { ErrorCodes} from '../../utils/properties/openaireProperties';
import {SearchFields, FieldDetails} from '../../utils/properties/searchFields';
import {SearchPageComponent } from '../searchUtils/searchPage.component';
import {SearchUtilsClass } from '../searchUtils/searchUtils.class';
import{EnvProperties} from '../../utils/properties/env-properties';

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

    <search-page pageTitle="Search Content Providers"
                  formPlaceholderText = "Search for Content Providers"
                 type="content providers" entityType="dataprovider" [(filters)] = "filters"
                 [(results)] = "results"   [(searchUtils)] = "searchUtils" [baseUrl] = "baseUrl"
				         (queryChange)="queryChanged($event)"
                 [csvParams]="csvParams" csvPath="datasources" advancedSearchLink="/search/advanced/dataproviders"
                 [disableForms]="disableForms"
                 [loadPaging]="loadPaging"
                 [oldTotalResults]="oldTotalResults"
                 searchFormClass="datasourcesSearchForm">
    </search-page>

    `
})
export class SearchDataprovidersComponent {
  private errorCodes: ErrorCodes;

  public results =[];
  public filters =[];
  public totalResults:number  = 0 ;
  public baseUrl:string;
  public searchUtils:SearchUtilsClass = new SearchUtilsClass();
  public sub: any; public subResults: any;
  public _location:Location;
  public searchFields:SearchFields = new SearchFields();
  public refineFields: string[] =  this.searchFields.DATASOURCE_REFINE_FIELDS;
  public fieldIdsMap= this.searchFields.DATASOURCE_FIELDS;
  public CSV: any = {  "columnNames":  [ "Title", "Type", "Coutries", "Compatibility" ],
                        "export":[]
                     };
  public CSVDownloaded = false;
  public csvParams: string;

  public disableForms: boolean = false;
  public loadPaging: boolean = true;
  public oldTotalResults: number = 0;
  pagingLimit = 0;
properties: EnvProperties;
  @ViewChild (SearchPageComponent) searchPage : SearchPageComponent ;

  constructor (private route: ActivatedRoute, private _searchDataprovidersService: SearchDataprovidersService ) {
    this.errorCodes = new ErrorCodes();
    this.searchUtils.status = this.errorCodes.LOADING;
    this.searchUtils.page =1;
   }

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

      });
    this.searchPage.refineFields = this.refineFields;
     this.searchPage.fieldIdsMap = this.fieldIdsMap;
     var firstLoad =true;

    this.sub =  this.route.queryParams.subscribe(params => {
      if(params['page'] && this.searchUtils.page != params['page']) {
        this.loadPaging = false;
        this.oldTotalResults = this.searchUtils.totalResults;
      }

      this.searchUtils.keyword = (params['keyword']?params['keyword']:'');
      var refine = true;
      if(this.searchUtils.page != ((params['page']=== undefined)?1:+params['page']) && this.filters && !firstLoad){
        refine = false;

      }
      firstLoad = false;
      this.searchUtils.page = (params['page']=== undefined)?1:+params['page'];

      var queryParameters = this.searchPage.getQueryParametersFromUrl(params);
      this._getResults(queryParameters, refine, this.searchUtils.page, this.searchUtils.size);
    });
  }

  public ngOnDestroy() {
    if(this.sub){
      this.sub.unsubscribe();
    }
    if(this.subResults){
      this.subResults.unsubscribe();
    }
  }

  public getNumForEntity(entity: string, id:string) {
      //var errorCodes:ErrorCodes = new ErrorCodes();
      this.searchUtils.status = this.errorCodes.LOADING;

      if(id != "" && entity != "") {

          this._searchDataprovidersService.numOfEntityDataproviders(id, entity,this.properties).subscribe(
              data => {
                  this.searchUtils.totalResults = data;

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

                  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;
                  }
              }
          );
      }
  }

  public getNumForSearch(keyword: string) {
      //var errorCodes:ErrorCodes = new ErrorCodes();
      this.searchUtils.status = this.errorCodes.LOADING;

      this._searchDataprovidersService.numOfDataproviders(keyword,this.properties).subscribe(
          data => {
              this.searchUtils.totalResults = data;

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

public getResultsForDeposit(id:string, type:string, page: number,  size: number){
    //var errorCodes:ErrorCodes = new ErrorCodes();
    //this.status = errorCodes.LOADING;
  if(id != "") {

      this._searchDataprovidersService.searchDataprovidersForDeposit(id,type, page, size,this.properties).subscribe(
          data => {
              this.searchUtils.totalResults = data[0];
              console.info("search Dataproviders forDeposit: [id:"+id+", type:"+type+" ]  [total results:"+this.totalResults+"]");
              this.results = data[1];

              //var errorCodes:ErrorCodes = new ErrorCodes();
              this.searchUtils.status = this.errorCodes.DONE;
              if(this.searchUtils.totalResults == 0 ){
                this.searchUtils.status = this.errorCodes.NONE;
              }
          },
          err => {
              console.log(err);
               //TODO check erros (service not available, bad request)
              // if( ){
              //   this.searchUtils.status = ErrorCodes.ERROR;
              // }
              //var errorCodes:ErrorCodes = new ErrorCodes();
              //this.searchUtils.status = errorCodes.ERROR;
              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;
              }
          }
      );
  }
}
  public getResultsForEntity(entity:string, id:string, page: number, size: number){
    var parameters = "";

    if(entity == "organization") {
      parameters = "organizations/"+id;
    }

    if(parameters != "") {

        this._searchDataprovidersService.searchDataprovidersForEntity(parameters, page, size,this.properties).subscribe(
            data => {
                this.searchUtils.totalResults = data[0];
                console.info("search Dataproviders for "+entity+": [Parameters:"+parameters+" ]  [total results:"+this.searchUtils.totalResults+"]");
                this.results = data[1];

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

  public getResultsForDataproviders(id:string, page: number, size: number){

    this._searchDataprovidersService.getDataProvidersforEntityRegistry(id, page, size,this.properties).subscribe(
        data => {
            this.searchUtils.totalResults = data[0];
            console.info("search Dataproviders for Entity Registry: [Id:"+id+" ]  [total results:"+this.searchUtils.totalResults+"]");
            this.results = data[1];

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

  public getResults(keyword:string,refine:boolean, page: number, size: number){
    var parameters = "";
    if(keyword.length > 0){
      parameters = "q="+ keyword;
    }
    this._getResults(parameters,refine,page,this.searchUtils.size);
  }
  private _getResults(parameters:string,refine:boolean, page: number, size: number){
    if(page > this.pagingLimit) {
      size=0;
    }
    if(page <= this.pagingLimit || this.searchUtils.status == this.errorCodes.LOADING) {
      this.csvParams = parameters;

      this.searchUtils.status = this.errorCodes.LOADING;

      //this.searchPage.openLoading();
      this.disableForms = true;
      this.results = [];
      this.searchUtils.totalResults = 0;

      this.subResults = this._searchDataprovidersService.searchDataproviders(parameters,(refine)?this.searchPage.getRefineFieldsQuery():null, page, size, this.searchPage.getFields(),this.properties).subscribe(
        data => {
            this.searchUtils.totalResults = data[0];
            console.info("search Content Providers: [Parameters:"+parameters+" ]  [total results:"+this.searchUtils.totalResults+"]");
            this.results = data[1];
            if(refine){
              this.filters = data[2];
            }
            this.searchPage.checkSelectedFilters(this.filters);
            // this.filters = this.searchPage.checkSelectedFilters(data[2]);
            this.searchPage.updateBaseUrlWithParameters(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.searchPage.closeLoading();
            this.disableForms = false;

            if(this.searchUtils.status == this.errorCodes.DONE) {
              // Page out of limit!!!
              let totalPages:any = this.searchUtils.totalResults/(this.searchUtils.size);
              if(!(Number.isInteger(totalPages))) {
                  totalPages = (parseInt(totalPages, 10) + 1);
              }
              if(totalPages < page) {
                this.searchUtils.totalResults = 0;
                this.searchUtils.status = this.errorCodes.OUT_OF_BOUND;
              }
            }
        },
        err => {
            console.log(err);
             //TODO check erros (service not available, bad request)
            // if( ){
            //   this.searchUtils.status = ErrorCodes.ERROR;
            // }
            //var errorCodes:ErrorCodes = new ErrorCodes();
            //this.searchUtils.status = errorCodes.ERROR;
            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.searchPage.closeLoading();
            this.disableForms = false;
        }
      );
    }
  }

  private setFilters(){
    //TODO set filters from
  }

  public queryChanged($event) {
    this.loadPaging = true;

    var parameters = $event.value;
    this._getResults(parameters, true, this.searchUtils.page, this.searchUtils.size);
  }
}