TKK_E32230499/lib/screen/login.dart

251 lines
8.6 KiB
Dart

import 'package:flutter/material.dart';
import 'package:firebase_auth/firebase_auth.dart';
import '../widgets/fade_in_up.dart';
class LoginPage extends StatefulWidget {
const LoginPage({super.key});
@override
State<LoginPage> createState() => _LoginPageState();
}
class _LoginPageState extends State<LoginPage> {
final emailController = TextEditingController();
final passwordController = TextEditingController();
bool loading = false;
bool hidePassword = true;
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Colors.white,
body: Stack(
children: [
Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
stops: [0.0, 0.4, 0.7, 1.0],
colors: [
Color(0xFFE8F5E9),
Color(0xFFFFFDF0),
Color(0xFFF1F8E9),
Color(0xFFE8F5E9),
],
),
),
),
SafeArea(
child: Center(
child: SingleChildScrollView(
padding: const EdgeInsets.symmetric(horizontal: 25),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const SizedBox(height: 20),
// --- TITLE & SUBTITLE ---
FadeInUp(
delay: 0,
child: Column(
children: const [
Text(
"Login Account",
style: TextStyle(
fontSize: 28,
fontWeight: FontWeight.bold,
color: Color(0xFF2E7D32),
),
),
SizedBox(height: 12),
Text(
"masuk untuk memulai fermentasi.",
textAlign: TextAlign.center,
style: TextStyle(fontSize: 16, color: Colors.black54),
),
],
),
),
const SizedBox(height: 50),
// --- FORM CARD ---
FadeInUp(
delay: 150,
child: Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(30),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.08),
blurRadius: 30,
offset: const Offset(0, 10),
),
],
),
child: Column(
children: [
_buildInput(
controller: emailController,
hint: "Email",
icon: Icons.email_outlined,
keyboardType: TextInputType.emailAddress,
),
const SizedBox(height: 15),
_buildInput(
controller: passwordController,
hint: "Password",
icon: Icons.lock_outline_rounded,
isPassword: true,
obscure: hidePassword,
onToggle: () =>
setState(() => hidePassword = !hidePassword),
),
],
),
),
),
const SizedBox(height: 40),
// --- LOGIN BUTTON ---
FadeInUp(
delay: 300,
child: SizedBox(
width: double.infinity,
height: 65,
child: ElevatedButton(
onPressed: loading ? null : _login,
style: ElevatedButton.styleFrom(
backgroundColor: const Color(
0xFF2E7D32,
),
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(20),
),
elevation: 0,
),
child: loading
? const CircularProgressIndicator(
color: Colors.white,
)
: const Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
"Login",
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
),
),
SizedBox(width: 15),
Icon(Icons.arrow_right_alt_rounded, size: 30),
],
),
),
),
),
const SizedBox(height: 20),
// Link ke Register
FadeInUp(
delay: 450,
child: TextButton(
onPressed: () =>
Navigator.pushNamed(context, '/register'),
child: const Text(
"Belum punya akun? Register",
style: TextStyle(color: Colors.black45),
),
),
),
const SizedBox(height: 20),
],
),
),
),
),
],
),
);
}
// --- WIDGET HELPER: INPUT FIELD ---
Widget _buildInput({
required TextEditingController controller,
required String hint,
required IconData icon,
bool isPassword = false,
bool obscure = false,
VoidCallback? onToggle,
TextInputType keyboardType = TextInputType.text,
}) {
return TextField(
controller: controller,
obscureText: obscure,
keyboardType: keyboardType,
decoration: InputDecoration(
hintText: hint,
hintStyle: const TextStyle(color: Colors.black38),
prefixIcon: Icon(icon, color: Colors.black87),
suffixIcon: isPassword
? IconButton(
icon: Icon(
obscure
? Icons.visibility_off_outlined
: Icons.visibility_outlined,
color: Colors.black87,
),
onPressed: onToggle,
)
: null,
filled: true,
fillColor: const Color(
0xFFE8F5E9,
).withOpacity(0.5), // Biru sangat muda sesuai desain
contentPadding: const EdgeInsets.symmetric(
vertical: 20,
horizontal: 20,
),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(20),
borderSide: BorderSide.none,
),
),
);
}
// --- LOGIC LOGIN ---
Future<void> _login() async {
if (emailController.text.isEmpty || passwordController.text.isEmpty) {
ScaffoldMessenger.of(
context,
).showSnackBar(const SnackBar(content: Text("Isi semua bidang!")));
return;
}
setState(() => loading = true);
try {
await FirebaseAuth.instance.signInWithEmailAndPassword(
email: emailController.text.trim(),
password: passwordController.text.trim(),
);
if (mounted) Navigator.pushReplacementNamed(context, '/dashboard');
} catch (e) {
if (mounted) {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(e.toString())));
}
}
if (mounted) setState(() => loading = false);
}
}