MIF_E31230069/spk_mobile/lib/login.dart

506 lines
16 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_spinkit/flutter_spinkit.dart';
import 'screens/improved_home_screen.dart';
import 'register.dart';
import 'services/auth_service.dart';
class LoginScreen extends StatefulWidget {
const LoginScreen({super.key});
@override
State<LoginScreen> createState() => _LoginScreenState();
}
class _LoginScreenState extends State<LoginScreen> {
final _formKey = GlobalKey<FormState>();
final _emailController = TextEditingController();
final _passwordController = TextEditingController();
final _authService = AuthService();
bool _obscurePassword = true;
bool _isLoading = false;
@override
void dispose() {
_emailController.dispose();
_passwordController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xFFF5F5F5),
body: Column(
children: [
// Header
Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
decoration: const BoxDecoration(
color: Color(0xFF1565C0), // Dark blue
),
child: SafeArea(
bottom: false,
child: Row(
children: [
IconButton(
icon: const Icon(Icons.arrow_back, color: Colors.white),
onPressed: () {
Navigator.pop(context);
},
),
const Spacer(),
Container(
width: 40,
height: 40,
decoration: const BoxDecoration(
color: Colors.white,
shape: BoxShape.circle,
),
child: const Icon(Icons.person, color: Color(0xFF1565C0)),
),
],
),
),
),
// Main Content
Expanded(
child: Container(
color: Colors.white,
child: SingleChildScrollView(
padding: const EdgeInsets.all(24.0),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Title Section
const Text(
'LOGIN',
style: TextStyle(
fontSize: 32,
fontWeight: FontWeight.bold,
color: Colors.black87,
),
),
const SizedBox(height: 8),
Container(height: 1, color: Colors.grey[300]),
const SizedBox(height: 24),
// Section Heading
RichText(
text: const TextSpan(
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Colors.black87,
),
children: [
TextSpan(text: 'Masuk ke '),
TextSpan(
text: 'Akun',
style: TextStyle(color: Color(0xFF1565C0)),
),
TextSpan(text: ' Anda'),
],
),
),
const SizedBox(height: 32),
// Email Field
_buildTextField(
label: 'Email',
controller: _emailController,
keyboardType: TextInputType.emailAddress,
prefixIcon: Icons.email_outlined,
),
const SizedBox(height: 20),
// Password Field
_buildTextField(
label: 'Password',
controller: _passwordController,
obscureText: _obscurePassword,
prefixIcon: Icons.lock_outline,
suffixIcon: IconButton(
icon: Icon(
_obscurePassword
? Icons.visibility_outlined
: Icons.visibility_off_outlined,
color: const Color(0xFF1565C0),
),
onPressed: () {
setState(() {
_obscurePassword = !_obscurePassword;
});
},
),
),
const SizedBox(height: 32),
// Login Button
SizedBox(
width: double.infinity,
child: _buildActionButton(
label: 'LOGIN',
onPressed: _isLoading ? null : _handleLogin,
),
),
const SizedBox(height: 24),
// Info Aplikasi untuk Mahasiswa Polije
_buildInfoCard(),
const SizedBox(height: 16),
// Register Link
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Text(
'Belum punya akun? ',
style: TextStyle(
fontSize: 14,
color: Colors.black87,
),
),
GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const RegisterScreen(),
),
);
},
child: const Text(
'Daftar',
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.w600,
color: Color(0xFF1565C0),
),
),
),
],
),
const SizedBox(height: 20),
],
),
),
),
),
),
],
),
);
}
Future<void> _handleLogin() async {
print('=== LOGIN BUTTON CLICKED ===');
print('FormKey currentState: ${_formKey.currentState}');
if (_formKey.currentState == null) {
print('ERROR: FormKey currentState is null!');
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Error: Form not initialized')),
);
return;
}
if (!_formKey.currentState!.validate()) {
print('Form validation failed');
return;
}
print('Form validated, attempting login...');
print('Email: ${_emailController.text.trim()}');
setState(() => _isLoading = true);
final result = await _authService.login(
email: _emailController.text.trim(),
password: _passwordController.text,
);
print('Login result: $result');
setState(() => _isLoading = false);
if (!mounted) return;
if (result['success']) {
print('Login successful, navigating to home...');
Navigator.pushReplacement(
context,
MaterialPageRoute(builder: (context) => const ImprovedHomeScreen()),
);
} else {
print('Login failed: ${result['message']}');
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(result['message'] ?? 'Login gagal'),
backgroundColor: Colors.red,
),
);
}
}
Widget _buildTextField({
required String label,
required TextEditingController controller,
TextInputType? keyboardType,
bool obscureText = false,
IconData? prefixIcon,
Widget? suffixIcon,
}) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
label,
style: const TextStyle(
fontSize: 15,
fontWeight: FontWeight.w500,
color: Colors.black87,
),
),
const SizedBox(height: 8),
TextFormField(
controller: controller,
keyboardType: keyboardType,
obscureText: obscureText,
validator: (value) {
if (value == null || value.isEmpty) {
return 'Field ini tidak boleh kosong';
}
if (keyboardType == TextInputType.emailAddress) {
if (!value.contains('@')) {
return 'Email tidak valid';
}
}
return null;
},
decoration: InputDecoration(
prefixIcon: prefixIcon != null
? Icon(prefixIcon, color: const Color(0xFF1565C0))
: null,
suffixIcon: suffixIcon,
filled: true,
fillColor: Colors.white,
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(
color: Color(0xFF1565C0),
width: 1.5,
),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(
color: Color(0xFF1565C0),
width: 1.5,
),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: Color(0xFF1565C0), width: 2),
),
contentPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 14,
),
),
),
],
);
}
Widget _buildInfoCard() {
return Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [
const Color(0xFF1565C0).withValues(alpha: 0.1),
const Color(0xFF1565C0).withValues(alpha: 0.05),
],
),
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: const Color(0xFF1565C0).withValues(alpha: 0.3),
width: 1.5,
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: const Color(0xFF1565C0),
borderRadius: BorderRadius.circular(10),
),
child: const Icon(Icons.school, color: Colors.white, size: 24),
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Khusus untuk Mahasiswa',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: Color(0xFF1565C0),
),
),
const Text(
'Politeknik Negeri Jember',
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.w600,
color: Colors.black87,
),
),
],
),
),
],
),
const SizedBox(height: 16),
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(8),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildInfoItem(
Icons.location_city,
'Temukan Kontrakan Terbaik',
'Dapatkan rekomendasi kontrakan terdekat dari kampus Polije dengan harga terjangkau dan fasilitas lengkap',
),
const SizedBox(height: 12),
_buildInfoItem(
Icons.local_laundry_service,
'Cari Laundry Terpercaya',
'Temukan jasa laundry terdekat dengan kualitas terbaik untuk kebutuhan harian Anda',
),
const SizedBox(height: 12),
_buildInfoItem(
Icons.star,
'Rekomendasi Terpercaya',
'Sistem akan memberikan rekomendasi terbaik berdasarkan preferensi dan kebutuhan Anda',
),
],
),
),
const SizedBox(height: 12),
Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
decoration: BoxDecoration(
color: const Color(0xFF1565C0).withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(8),
),
child: Row(
children: [
const Icon(
Icons.info_outline,
color: Color(0xFF1565C0),
size: 18,
),
const SizedBox(width: 8),
Expanded(
child: Text(
'Aplikasi ini menggunakan metode SAW untuk memberikan rekomendasi terbaik',
style: TextStyle(
fontSize: 12,
color: Colors.grey[700],
fontStyle: FontStyle.italic,
),
),
),
],
),
),
],
),
);
}
Widget _buildInfoItem(IconData icon, String title, String description) {
return Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Icon(icon, color: const Color(0xFF1565C0), size: 20),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
title,
style: const TextStyle(
fontSize: 13,
fontWeight: FontWeight.w600,
color: Colors.black87,
),
),
const SizedBox(height: 4),
Text(
description,
style: TextStyle(
fontSize: 12,
color: Colors.grey[600],
height: 1.4,
),
),
],
),
),
],
);
}
Widget _buildActionButton({
required String label,
required VoidCallback? onPressed,
}) {
return ElevatedButton(
onPressed: onPressed,
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF1565C0),
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(vertical: 14),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
elevation: 0,
disabledBackgroundColor: Colors.grey,
),
child: _isLoading
? const SpinKitThreeBounce(color: Colors.white, size: 20)
: Text(
label,
style: const TextStyle(
fontSize: 15,
fontWeight: FontWeight.w600,
letterSpacing: 0.5,
),
),
);
}
}