// lib/features/routes/presentation/providers/routes_provider.dart

import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../data/repositories/routes_repository.dart';
import '../../domain/entities/route_entities.dart';
import '../../domain/entities/haversine.dart';

// ── Repositorio singleton ─────────────────────────────────────────────
final routesRepositoryProvider = Provider<RoutesRepository>(
  (ref) => RoutesRepository(),
);

// ── Todas las rutas ───────────────────────────────────────────────────
final allRoutesProvider = FutureProvider<List<TruckRoute>>((ref) {
  return ref.watch(routesRepositoryProvider).obtenerRutas();
});

// ── Ruta por ID ───────────────────────────────────────────────────────
final routeByIdProvider =
    FutureProvider.family<TruckRoute?, String>((ref, routeId) {
  return ref.watch(routesRepositoryProvider).obtenerRutaPorId(routeId);
});

// ── Asignación de ruta por coordenadas (Haversine) ────────────────────
final routeAssignmentProvider =
    FutureProvider.family<RouteAssignmentResult, ({double lat, double lng})>(
  (ref, coords) {
    return ref
        .watch(routesRepositoryProvider)
        .asignarRuta(coords.lat, coords.lng);
  },
);

// ── ETA para un domicilio ─────────────────────────────────────────────
final etaProvider = FutureProvider.family<
    ETAResult,
    ({String routeId, double lat, double lng})>(
  (ref, params) {
    return ref
        .watch(routesRepositoryProvider)
        .calcularETA(params.routeId, params.lat, params.lng);
  },
);