412 lines
12 KiB
Dart
412 lines
12 KiB
Dart
import 'package:flutter/material.dart';
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import '../utils/app_colors.dart';
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import '../widgets/custom_text_field.dart';
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import '../widgets/custom_button.dart';
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import '../services/auth_service.dart';
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import '../services/firestore_service.dart';
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import 'dashboard_screen.dart';
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import 'package:firebase_auth/firebase_auth.dart';
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class LoginScreen extends StatefulWidget {
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const LoginScreen({Key? key}) : super(key: key);
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@override
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State<LoginScreen> createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen>
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with TickerProviderStateMixin {
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final _formKey = GlobalKey<FormState>();
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final _emailController = TextEditingController();
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final _passwordController = TextEditingController();
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final _authService = AuthService();
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final _firestoreService = FirestoreService();
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bool _isLoading = false;
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late AnimationController _animationController;
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late AnimationController _pulseAnimationController;
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late Animation<double> _fadeAnimation;
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late Animation<Offset> _slideAnimation;
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late Animation<double> _scaleAnimation;
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late Animation<double> _pulseAnimation;
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@override
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void initState() {
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super.initState();
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// Initialize animation controllers
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_animationController = AnimationController(
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duration: const Duration(milliseconds: 1500),
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vsync: this,
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);
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_pulseAnimationController = AnimationController(
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duration: const Duration(milliseconds: 2000),
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vsync: this,
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);
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// Initialize animations
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_fadeAnimation = Tween<double>(begin: 0.0, end: 1.0).animate(
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CurvedAnimation(parent: _animationController, curve: Curves.easeInOut),
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);
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_slideAnimation = Tween<Offset>(
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begin: const Offset(0, 0.5),
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end: Offset.zero,
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).animate(
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CurvedAnimation(parent: _animationController, curve: Curves.elasticOut),
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);
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_scaleAnimation = Tween<double>(begin: 0.8, end: 1.0).animate(
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CurvedAnimation(parent: _animationController, curve: Curves.elasticOut),
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);
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_pulseAnimation = Tween<double>(begin: 1.0, end: 1.1).animate(
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CurvedAnimation(
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parent: _pulseAnimationController,
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curve: Curves.easeInOut,
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),
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);
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// Start animations
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_animationController.forward();
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_pulseAnimationController.repeat(reverse: true);
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}
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@override
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void dispose() {
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_animationController.dispose();
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_pulseAnimationController.dispose();
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_emailController.dispose();
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_passwordController.dispose();
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super.dispose();
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}
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String? _validateEmail(String? value) {
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if (value == null || value.isEmpty) {
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return 'Email tidak boleh kosong';
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}
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if (!RegExp(r'^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$').hasMatch(value)) {
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return 'Format email tidak valid';
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}
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return null;
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}
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String? _validatePassword(String? value) {
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if (value == null || value.isEmpty) {
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return 'Password tidak boleh kosong';
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}
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if (value.length < 6) {
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return 'Password minimal 6 karakter';
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}
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return null;
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}
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void _handleLogin() async {
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if (_formKey.currentState!.validate()) {
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setState(() {
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_isLoading = true;
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});
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try {
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// Login dengan Firebase
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UserCredential? result = await _authService.signInWithEmailAndPassword(
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email: _emailController.text.trim(),
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password: _passwordController.text.trim(),
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);
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if (result?.user != null) {
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// Cek apakah user profile sudah ada di Firestore
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var userProfile = await _firestoreService.getUserProfile(
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result!.user!.uid,
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);
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if (userProfile == null) {
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// Buat profile baru jika belum ada
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await _firestoreService.createUserProfile(
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uid: result.user!.uid,
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email: result.user!.email!,
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displayName: result.user!.displayName,
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photoURL: result.user!.photoURL,
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);
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}
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// Tampilkan pesan sukses
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Login berhasil!'),
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backgroundColor: AppColors.accentGreen,
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),
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);
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// TODO: Navigate to home screen
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(builder: (context) => const DashboardScreen()),
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);
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}
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} catch (e) {
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// Tampilkan error message
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(e.toString()),
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backgroundColor: AppColors.textError,
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),
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);
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} finally {
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setState(() {
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_isLoading = false;
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});
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}
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}
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}
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@override
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Widget build(BuildContext context) {
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final screenHeight = MediaQuery.of(context).size.height;
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final screenWidth = MediaQuery.of(context).size.width;
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return Scaffold(
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body: Container(
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width: screenWidth,
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height: screenHeight,
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [
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AppColors.backgroundLight,
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AppColors.backgroundWhite,
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Color(0xFFFFF8F0),
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],
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),
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),
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child: SafeArea(
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child: FadeTransition(
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opacity: _fadeAnimation,
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child: SlideTransition(
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position: _slideAnimation,
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child: ScaleTransition(
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scale: _scaleAnimation,
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child: SingleChildScrollView(
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padding: EdgeInsets.symmetric(
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horizontal: screenWidth * 0.08,
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vertical: 16,
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),
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child: Form(
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key: _formKey,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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SizedBox(height: screenHeight * 0.05),
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// Logo and App Title
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_buildHeader(),
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SizedBox(height: screenHeight * 0.06),
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// Login Form
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_buildLoginForm(),
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SizedBox(height: screenHeight * 0.04),
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// Login Button
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CustomButton(
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text: 'Masuk',
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onPressed: _handleLogin,
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isLoading: _isLoading,
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width: double.infinity,
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height: 54,
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icon: Icons.login,
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),
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SizedBox(height: screenHeight * 0.04),
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// Footer
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_buildFooter(),
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],
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),
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),
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),
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),
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),
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),
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),
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),
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);
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}
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Widget _buildHeader() {
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return Column(
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children: [
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// Fire Detection Logo with animated pulse
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AnimatedBuilder(
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animation: _pulseAnimation,
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builder: (context, child) {
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return Transform.scale(
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scale: _pulseAnimation.value,
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child: Container(
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width: 110,
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height: 110,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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gradient: AppColors.primaryGradient,
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boxShadow: [
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BoxShadow(
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color: AppColors.primaryRed.withOpacity(0.4),
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blurRadius: 25,
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offset: const Offset(0, 10),
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),
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BoxShadow(
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color: AppColors.primaryOrange.withOpacity(0.3),
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blurRadius: 40,
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offset: const Offset(0, 15),
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),
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],
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),
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child: const Icon(
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Icons.local_fire_department,
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size: 55,
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color: AppColors.textLight,
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),
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),
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);
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},
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),
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const SizedBox(height: 20),
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// App Title
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const Text(
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'Fire Detection',
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style: TextStyle(
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fontSize: 28,
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fontWeight: FontWeight.bold,
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color: AppColors.textPrimary,
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letterSpacing: 1.2,
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),
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),
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const SizedBox(height: 8),
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// Subtitle
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const Text(
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'Sistem Deteksi Kebakaran Otomatis',
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style: TextStyle(
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fontSize: 14,
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color: AppColors.textSecondary,
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fontWeight: FontWeight.w400,
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),
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),
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],
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);
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}
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Widget _buildLoginForm() {
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return Container(
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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color: AppColors.backgroundWhite,
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borderRadius: BorderRadius.circular(20),
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boxShadow: [
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BoxShadow(
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color: AppColors.secondaryGray.withOpacity(0.08),
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blurRadius: 25,
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offset: const Offset(0, 10),
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),
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BoxShadow(
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color: AppColors.primaryRed.withOpacity(0.05),
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blurRadius: 30,
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offset: const Offset(0, 20),
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),
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],
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'Masuk ke Akun Anda',
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style: TextStyle(
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fontSize: 22,
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fontWeight: FontWeight.w600,
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color: AppColors.textPrimary,
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),
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),
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const SizedBox(height: 6),
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const Text(
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'Silakan masukkan email dan password Anda',
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style: TextStyle(fontSize: 13, color: AppColors.textSecondary),
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),
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const SizedBox(height: 24),
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// Email Field
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CustomTextField(
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hintText: 'Masukkan email Anda',
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labelText: 'Email',
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prefixIcon: Icons.email_outlined,
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controller: _emailController,
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validator: _validateEmail,
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keyboardType: TextInputType.emailAddress,
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),
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// Password Field
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CustomTextField(
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hintText: 'Masukkan password Anda',
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labelText: 'Password',
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prefixIcon: Icons.lock_outline,
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controller: _passwordController,
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validator: _validatePassword,
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obscureText: true,
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),
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],
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),
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);
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}
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Widget _buildFooter() {
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return Column(
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children: [
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// Row(
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// mainAxisAlignment: MainAxisAlignment.center,
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// children: [
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// const Text(
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// 'Belum punya akun? ',
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// style: TextStyle(color: AppColors.textSecondary, fontSize: 14),
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// ),
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// TextButton(
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// onPressed: () {
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// // Navigate to register page
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// },
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// child: const Text(
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// 'Daftar Sekarang',
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// style: TextStyle(
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// color: AppColors.primaryRed,
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// fontSize: 14,
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// fontWeight: FontWeight.w600,
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// ),
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// ),
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// ),
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// ],
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// ),
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const SizedBox(height: 16),
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// Version Info
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const Text(
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'Version 1.0.0',
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style: TextStyle(color: AppColors.textSecondary, fontSize: 12),
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),
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const SizedBox(height: 4),
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// Copyright
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const Text(
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'© 2025 Fire Detection System',
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style: TextStyle(color: AppColors.textSecondary, fontSize: 12),
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),
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],
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);
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}
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}
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