import { Injectable } from '@angular/core';
import { HttpClient, HttpErrorResponse } from '@angular/common/http';
import { ApiResponse } from '../models/route.model';
import { environment } from '../../../environments/environment';
import { catchError, timeout, throwError } from 'rxjs';

@Injectable({ providedIn: 'root' })
export class RutasService {

  constructor(private http: HttpClient) { }

  calcularRutas(data: FormData) {
    return this.http.post<ApiResponse>(
      environment.n8nWebhookUrl,
      data
    ).pipe(
      timeout(environment.requestTimeoutMs),
      catchError((err: HttpErrorResponse | Error) => {
        if (err instanceof Error && err.name === 'TimeoutError') {
          return throwError(() => Object.assign(new Error('Timeout al calcular rutas (30s). Intenta con menos filas o reintenta.'), { name: 'TimeoutError' }));
        }
        return throwError(() => err);
      })
    );
  }

  reoptimizarRutas(data: FormData) {
    return this.calcularRutas(data);
  }
}