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

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

const serviceName = 'SettingsService';

@Injectable({ providedIn: 'root' })
export class SettingsService {
  private http = inject(HttpClient);
  private log = inject(ErrorLoggerService);

  getPrefillCustomerDiscount(): Observable<boolean> {
    const url = '/api/settings/prefill-customer-discount';
    return this.http.get<{ value: boolean }>(url).pipe(
      map((x) => x.value),
      catchError(this.log.handleError(serviceName, 'getPrefillCustomerDiscount')),
    ) as Observable<boolean>;
  }

  setPrefillCustomerDiscount(value: boolean): Observable<boolean> {
    const url = '/api/settings/prefill-customer-discount';
    return this.http.post<{ value: boolean }>(url, { value: value }).pipe(
      map((x) => x.value),
      catchError(this.log.handleError(serviceName, 'setPrefillCustomerDiscount')),
    ) as Observable<boolean>;
  }

  runMaintenance(startDate: string, finishDate: string, beerFile: File, saleFile: File): Observable<boolean> {
    const options = { params: new HttpParams().set('s', startDate).set('f', finishDate) };
    const url = '/api/maintenance';
    const fd = new FormData();
    fd.append('beer_file', beerFile);
    fd.append('sale_file', saleFile);
    return this.http
      .post<boolean>(url, fd, options)
      .pipe(catchError(this.log.handleError(serviceName, 'runMaintenance'))) as Observable<boolean>;
  }
}