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

import { ErrorLoggerService } from '../core/error-logger.service';
import { ClosingStock } from './closing-stock';

const url = '/api/closing-stock';
@Injectable({
  providedIn: 'root',
})
export class ClosingStockService {
  private http = inject(HttpClient);
  private log = inject(ErrorLoggerService);

  list(date: Signal<string | null>, costCentre: Signal<string | null>) {
    return httpResource<ClosingStock>(() => {
      const listUrl = date() === null ? url : `${url}/${date()}`;
      const params: Record<string, string> = {};
      const costCentre_val = costCentre();
      if (costCentre_val !== null) params['d'] = costCentre_val;
      return { url: listUrl, params };
    });
  }

  save(closingStock: ClosingStock): Observable<ClosingStock> {
    return this.http
      .post<ClosingStock>(url, closingStock)
      .pipe(catchError(this.log.handleError('ClosingStockService', 'save'))) as Observable<ClosingStock>;
  }

  post(date: string, costCentre: string): Observable<ClosingStock> {
    const options = { params: new HttpParams().set('d', costCentre) };
    return this.http
      .post<ClosingStock>(`${url}/${date}`, {}, options)
      .pipe(catchError(this.log.handleError('ClosingStockService', 'Post Voucher'))) as Observable<ClosingStock>;
  }

  delete(date: string, costCentre: string): Observable<ClosingStock> {
    const options = { params: new HttpParams().set('d', costCentre) };
    return this.http
      .delete<ClosingStock>(`${url}/${date}`, options)
      .pipe(catchError(this.log.handleError('ClosingStockService', 'Delete Voucher'))) as Observable<ClosingStock>;
  }
}