import 'dart:io';

import 'package:camera/camera.dart';
import 'package:flutter/material.dart';
import 'package:permission_handler/permission_handler.dart';

class CameraScreen extends StatefulWidget {
  const CameraScreen({super.key});

  @override
  _CameraScreenState createState() => _CameraScreenState();
}

class _CameraScreenState extends State<CameraScreen> {
  CameraController? controller;
  List<CameraDescription>? cameras;
  XFile? capturedImage;

  @override
  void initState() {
    super.initState();
    initCamera();
  }

  Future<void> initCamera() async {
    await Permission.camera.request();

    if (await Permission.camera.isGranted) {
      cameras = await availableCameras();
      controller = CameraController(cameras![0], ResolutionPreset.high);

      await controller!.initialize();
      setState(() {}); // update UI setelah kamera siap
    }
  }

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

  @override
  Widget build(BuildContext context) {
    if (controller == null || !controller!.value.isInitialized) {
      return Center(child: CircularProgressIndicator());
    }

    return Scaffold(
      appBar: AppBar(
        title: Text('Camera'),
        leading: IconButton(
          icon: Icon(Icons.arrow_back),
          onPressed: () {
            Navigator.pop(context);
          },
        ),
      ),
      body: Stack(
        children: [
          CameraPreview(controller!),
          if (capturedImage != null)
            Positioned.fill(
              child: Image.file(File(capturedImage!.path), fit: BoxFit.cover),
            ),
          Align(
            alignment: Alignment.bottomCenter,
            child: Padding(
              padding: const EdgeInsets.only(bottom: 30),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  FloatingActionButton(
                    backgroundColor: Colors.white,
                    onPressed: () async {
                      final image = await controller!.takePicture();
                      setState(() {
                        capturedImage = image;
                      });

                      Navigator.pop(context, capturedImage?.path);
                    },
                    child: Icon(Icons.camera_alt, color: Colors.black),
                  ),
                ],
              ),
            ),
          ),
        ],
      ),
      // floatingActionButton: FloatingActionButton(
      //   onPressed: () async {
      //     final image = await controller!.takePicture();
      //     print('Gambar disimpan di: ${image.path}');
      //     // Bisa dilanjutkan untuk upload, crop, dll
      //   },
      //   child: Icon(Icons.camera_alt),
      // ),
    );
  }
}