MIF_E31230910_MP-HRIS-MOBILE/lib/screens/profile/face_test_screen.dart

372 lines
13 KiB
Dart

import 'dart:io';
import 'dart:ui';
import 'package:camera/camera.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import '../../core/theme.dart';
import '../../repositories/face_repository.dart';
import '../../widgets/atoms/custom_button.dart';
import '../../widgets/atoms/scanner_overlay.dart';
class FaceTestScreen extends StatefulWidget {
const FaceTestScreen({super.key});
@override
State<FaceTestScreen> createState() => _FaceTestScreenState();
}
class _FaceTestScreenState extends State<FaceTestScreen> {
CameraController? _cameraController;
bool _isCameraInitialized = false;
bool _isVerifying = false;
bool _showResult = false;
bool? _verified;
double? _confidence;
String? _statusText;
String? _errorMessage;
@override
void initState() {
super.initState();
_initializeCamera();
}
Future<void> _initializeCamera() async {
try {
final cameras = await availableCameras();
final frontCamera = cameras.firstWhere(
(camera) => camera.lensDirection == CameraLensDirection.front,
orElse: () => cameras.first,
);
_cameraController = CameraController(
frontCamera,
ResolutionPreset.medium,
enableAudio: false,
);
await _cameraController!.initialize();
if (mounted) {
setState(() {
_isCameraInitialized = true;
});
}
} catch (e) {
debugPrint("Error initializing camera: $e");
}
}
Future<void> _captureAndVerify() async {
if (_cameraController == null || _isVerifying) return;
setState(() {
_isVerifying = true;
_showResult = false;
_errorMessage = null;
});
try {
final XFile photo = await _cameraController!.takePicture();
final File imageFile = File(photo.path);
final result = await FaceRepository().verifyFace(imageFile);
if (mounted) {
setState(() {
_verified = result['verified'] == true;
_confidence = (result['confidence'] is num)
? (result['confidence'] as num).toDouble()
: null;
_statusText = result['verification_status']?.toString()
?? result['status']?.toString();
_showResult = true;
_isVerifying = false;
});
if (_verified == true) {
HapticFeedback.lightImpact();
} else {
HapticFeedback.heavyImpact();
}
}
} catch (e) {
if (mounted) {
setState(() {
_verified = false;
_errorMessage = e.toString().replaceAll('Exception: ', '');
_showResult = true;
_isVerifying = false;
});
HapticFeedback.heavyImpact();
}
}
}
void _resetTest() {
setState(() {
_showResult = false;
_verified = null;
_confidence = null;
_statusText = null;
_errorMessage = null;
});
}
@override
void dispose() {
_cameraController?.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Colors.black,
extendBodyBehindAppBar: true,
appBar: AppBar(
backgroundColor: Colors.transparent,
elevation: 0,
leading: IconButton(
icon: Container(
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: Colors.black.withOpacity(0.5),
shape: BoxShape.circle,
),
child: const Icon(Icons.arrow_back_ios_new, color: Colors.white, size: 16),
),
onPressed: () => Navigator.pop(context),
),
),
body: Stack(
children: [
if (_isCameraInitialized)
SizedBox.expand(
child: FittedBox(
fit: BoxFit.cover,
child: SizedBox(
width: _cameraController!.value.previewSize?.height ?? MediaQuery.of(context).size.width,
height: _cameraController!.value.previewSize?.width ?? MediaQuery.of(context).size.height,
child: CameraPreview(_cameraController!),
),
),
)
else
const Center(
child: CircularProgressIndicator(color: Colors.white),
),
ScannerOverlay(
borderColor: _showResult
? (_verified == true ? AppTheme.statusGreen : AppTheme.statusRed)
: AppTheme.primaryBlue,
isScanning: _isVerifying || (!_showResult && !_isVerifying),
),
Positioned(
top: MediaQuery.of(context).padding.top + kToolbarHeight + 20,
left: 20,
right: 20,
child: Column(
children: [
Text(
"Test Pengenalan Wajah",
style: AppTheme.heading3.copyWith(color: Colors.white),
),
const SizedBox(height: 10),
ClipRRect(
borderRadius: BorderRadius.circular(20),
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 10, sigmaY: 10),
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.15),
borderRadius: BorderRadius.circular(20),
border: Border.all(color: Colors.white.withOpacity(0.3)),
),
child: Text(
_isVerifying
? "Memverifikasi wajah..."
: _showResult
? (_verified == true ? "Wajah Terverifikasi ✓" : "Wajah Tidak Cocok ✗")
: "Posisikan wajah di dalam bingkai",
textAlign: TextAlign.center,
style: AppTheme.bodyLarge.copyWith(
color: _showResult
? (_verified == true ? AppTheme.statusGreen : AppTheme.statusRed)
: Colors.white,
fontWeight: FontWeight.bold,
),
),
),
),
),
],
),
),
if (_showResult)
Positioned(
bottom: 120,
left: 20,
right: 20,
child: AnimatedOpacity(
opacity: _showResult ? 1.0 : 0.0,
duration: const Duration(milliseconds: 300),
child: ClipRRect(
borderRadius: BorderRadius.circular(AppTheme.radiusLg),
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 15, sigmaY: 15),
child: Container(
padding: const EdgeInsets.all(AppTheme.spacingLg),
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.9),
borderRadius: BorderRadius.circular(AppTheme.radiusLg),
border: Border.all(color: Colors.white.withOpacity(0.4)),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.1),
blurRadius: 20,
offset: const Offset(0, 10),
)
]
),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: (_verified == true ? AppTheme.statusGreen : AppTheme.statusRed).withOpacity(0.1),
shape: BoxShape.circle,
),
child: Icon(
_verified == true ? Icons.check_circle : Icons.cancel,
color: _verified == true ? AppTheme.statusGreen : AppTheme.statusRed,
size: 40,
),
),
const SizedBox(height: 12),
Text(
_verified == true ? "Verifikasi Berhasil" : "Verifikasi Gagal",
style: AppTheme.heading3.copyWith(
color: _verified == true ? AppTheme.statusGreen : AppTheme.statusRed,
),
),
const SizedBox(height: 4),
if (_confidence != null && _confidence! < 900)
Container(
margin: const EdgeInsets.only(top: 8),
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
decoration: BoxDecoration(
color: AppTheme.bgLight,
borderRadius: BorderRadius.circular(AppTheme.radiusMd),
),
child: Column(
children: [
Text(
"Jarak LBPH: ${_confidence!.toStringAsFixed(1)}",
style: AppTheme.bodyMedium.copyWith(
color: AppTheme.textSecondary,
fontWeight: FontWeight.w600,
),
),
const SizedBox(height: 2),
Text(
_confidence! < 80
? "Sangat mirip (< 80)"
: _confidence! < 100
? "Cukup mirip (80-100)"
: "Tidak mirip (> 100)",
style: AppTheme.bodySmall.copyWith(
color: _confidence! < 80
? AppTheme.statusGreen
: _confidence! < 100
? AppTheme.statusYellow
: AppTheme.statusRed,
),
),
],
),
),
if (_statusText != null)
Padding(
padding: const EdgeInsets.only(top: 12),
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 6),
decoration: BoxDecoration(
color: AppTheme.primaryBlue.withOpacity(0.1),
borderRadius: BorderRadius.circular(AppTheme.radiusFull),
),
child: Text(
"Status: $_statusText",
style: AppTheme.labelMedium.copyWith(
color: AppTheme.primaryBlue,
),
),
),
),
if (_errorMessage != null)
Padding(
padding: const EdgeInsets.only(top: 12),
child: Text(
_errorMessage!,
textAlign: TextAlign.center,
style: AppTheme.bodySmall.copyWith(
color: AppTheme.statusRed,
),
),
),
],
),
),
),
),
),
),
Positioned(
bottom: 30,
left: 20,
right: 20,
child: Column(
children: [
if (!_showResult && !_isVerifying)
SizedBox(
width: double.infinity,
child: CustomButton(
text: "Mulai Verifikasi",
icon: Icons.face_rounded,
onPressed: _isCameraInitialized ? _captureAndVerify : null,
backgroundColor: AppTheme.primaryBlue,
),
),
if (_showResult)
Row(
children: [
Expanded(
child: CustomButton(
text: "Coba Lagi",
type: ButtonType.primary,
onPressed: _resetTest,
),
),
],
),
],
),
),
],
),
);
}
}