import { HttpClient, HttpParams } from '@angular/common/http';
import { Injectable } from '@angular/core';
import { Observable } from 'rxjs/internal/Observable';
import { catchError } from 'rxjs/operators';

import { Batch } from './batch';
import { ErrorLoggerService } from './error-logger.service';

const url = '/api/batch';
const serviceName = 'BatchService';

@Injectable({ providedIn: 'root' })
export class BatchService {
  constructor(private http: HttpClient, private log: ErrorLoggerService) {}

  autocomplete(date: string, term: string): Observable<Batch[]> {
    const options = { params: new HttpParams().set('q', term).set('d', date) };
    return this.http
      .get<Batch[]>(url, options)
      .pipe(catchError(this.log.handleError(serviceName, 'autocomplete'))) as Observable<Batch[]>;
  }
}