first commit

lib/core/camera/camera_service.dart

@@ -0,0 +1,61 @@
+import 'package:camera/camera.dart';
+
+class CameraService {
+  CameraController? controller;
+  late List<CameraDescription> _cameras;
+  bool _isFront = true;
+
+  bool get isFront => _isFront;
+
+  /// Init default
+  Future<void> init() async {
+    _cameras = await availableCameras();
+
+    final front = _cameras.firstWhere(
+      (c) => c.lensDirection == CameraLensDirection.front,
+      orElse: () => _cameras.first,
+    );
+
+    controller = CameraController(
+      front,
+      ResolutionPreset.high,
+      enableAudio: false,
+    );
+
+    await controller!.initialize();
+    _isFront = true;
+  }
+
+  /// Switch front <-> back
+  Future<void> switchCamera() async {
+    if (_cameras.length < 2) return;
+
+    final newCam = _cameras.firstWhere(
+      (c) =>
+          c.lensDirection ==
+          (_isFront ? CameraLensDirection.back : CameraLensDirection.front),
+    );
+
+    await controller?.dispose();
+
+    controller = CameraController(
+      newCam,
+      ResolutionPreset.high,
+      enableAudio: false,
+    );
+
+    await controller!.initialize();
+    _isFront = !_isFront;
+  }
+
+  Future<XFile> takePicture() async {
+    if (controller == null || !controller!.value.isInitialized) {
+      throw Exception('Camera not ready');
+    }
+    return controller!.takePicture();
+  }
+
+  void dispose() {
+    controller?.dispose();
+  }
+}