import 'rxjs/add/operator/map';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import { Injectable } from '@angular/core';
import { HostConfiguration } from './../../app.constants';
import { BaseHttpService } from '../../utilities/cite-http-service-module/base-http.service';
import { Observable } from 'rxjs/Observable';
import { ExternalSourcesItemModel } from '../../models/external-sources/ExternalSourcesItemModel';


@Injectable()
export class ExternalSourcesService {

    private actionUrl: string;
    private headers: HttpHeaders;

    constructor(private http: BaseHttpService) {

        this.actionUrl = HostConfiguration.Server + 'external/';

        this.headers = new HttpHeaders();
        this.headers = this.headers.set('Content-Type', 'application/json');
        this.headers = this.headers.set('Accept', 'application/json');
    }

    public searchDatasetRegistry(like: string): Observable<ExternalSourcesItemModel[]> {
        return this.http.get<ExternalSourcesItemModel[]>(this.actionUrl + "registries" + "?query=" + like, { headers: this.headers });
    }

    public searchDatasetRepository(like: string): Observable<ExternalSourcesItemModel[]> {
        return this.http.get<ExternalSourcesItemModel[]>(this.actionUrl + "datarepos" + "?query=" + like, { headers: this.headers });
    }

    public searchDatasetService(like: string): Observable<ExternalSourcesItemModel[]> {
        return this.http.get<ExternalSourcesItemModel[]>(this.actionUrl + "services" + "?query=" + like, { headers: this.headers });
    }

    public searchDMPResearchers(like: string): Observable<ExternalSourcesItemModel[]> {
        return this.http.get<ExternalSourcesItemModel[]>(this.actionUrl + "researchers" + "?query=" + like, { headers: this.headers });
    }

    public searchDMPOrganizations(like: string): Observable<ExternalSourcesItemModel[]> {
        return this.http.get<ExternalSourcesItemModel[]>(this.actionUrl + "organisations" + "?query=" + like, { headers: this.headers });
    }
}