import 'package:camera/camera.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:path_provider/path_provider.dart';
import 'package:path/path.dart' as p;

final cameraControllerProvider =
    StateNotifierProvider<CameraControllerNotifier, CameraController?>(
        (ref) => CameraControllerNotifier());

class CameraControllerNotifier extends StateNotifier<CameraController?> {
  CameraControllerNotifier() : super(null);

  Future<void> initializeCamera(CameraDescription camera) async {
    final controller = CameraController(camera, ResolutionPreset.medium);
    await controller.initialize();
    state = controller;
  }

  Future<String> takePicture() async {
    if (state == null || !state!.value.isInitialized) {
      throw Exception('Camera is not initialized');
    }

    final path = p.join(
      (await getTemporaryDirectory()).path,
      '${DateTime.now()}.png',
    );

    await state!.takePicture();
    return path;
  }

  @override
  void dispose() {
    state?.dispose();
    super.dispose();
  }
}