422 lines
18 KiB
Dart
422 lines
18 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:inventory_system/services/api_service.dart';
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import 'package:inventory_system/services/auth_service.dart';
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import 'package:inventory_system/screens/admin/home_screen/home_screen.dart';
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import 'package:inventory_system/screens/user/home_screen/home_screen_user.dart';
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import 'package:inventory_system/services/session_manager.dart'; //To set the server URL
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import 'package:shared_preferences/shared_preferences.dart';
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class LoginScreen extends StatefulWidget {
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const LoginScreen({super.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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final _formKey = GlobalKey<FormState>();
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final _emailController = TextEditingController();
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final _passwordController = TextEditingController();
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bool _obscurePassword = true;
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bool _isLoading = false;
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bool _rememberMe = false;
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final AuthService _authService = AuthService();
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@override
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void initState() {
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super.initState();
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_loadSavedCredentials();
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}
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Future<void> _loadSavedCredentials() async {
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final prefs = await SharedPreferences.getInstance();
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setState(() {
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_rememberMe = prefs.getBool('remember_me') ?? false;
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if (_rememberMe) {
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_emailController.text = prefs.getString('saved_email') ?? '';
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_passwordController.text = prefs.getString('saved_password') ?? '';
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}
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});
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}
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@override
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void 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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Future<void> _handleSignIn() async {
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if (_formKey.currentState?.validate() ?? false) {
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setState(() {
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_isLoading = true;
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});
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final result = await _authService.signIn(
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usernameOrEmail: _emailController.text.trim(),
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password: _passwordController.text,
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);
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setState(() {
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_isLoading = false;
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});
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if (!mounted) return;
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if (result['success'] == true) {
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final prefs = await SharedPreferences.getInstance();
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if (_rememberMe) {
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await prefs.setBool('remember_me', true);
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await prefs.setString('saved_email', _emailController.text.trim());
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await prefs.setString('saved_password', _passwordController.text);
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} else {
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await prefs.remove('remember_me');
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await prefs.remove('saved_email');
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await prefs.remove('saved_password');
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}
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SessionManager.instance.startSession(result['data']);
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final bool isAdmin = result['data']?['isAdmin'] ?? false;
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(
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builder: (context) =>
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isAdmin
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? const HomeScreen()
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: const UserHomeScreen(),
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),
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);
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(result['message'] ?? 'An unknown error occurred.'),
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backgroundColor: Colors.redAccent,
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),
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);
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}
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}
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}
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// To show the URL settings dialog
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void _showUrlDialog(BuildContext context) {
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final TextEditingController urlController = TextEditingController();
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urlController.text = ApiService.baseUrl; // Set current URL
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showDialog(
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context: context,
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builder: (dialogContext) {
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return AlertDialog(
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title: const Text("Set Server URL"),
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content: TextField(
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controller: urlController,
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decoration: const InputDecoration(
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labelText: "Base URL",
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hintText: "https://...",
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),
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(dialogContext),
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child: const Text("Cancel"),
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),
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ElevatedButton(
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onPressed: () async {
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if (urlController.text.isNotEmpty) {
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// Save the new URL
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await ApiService.setBaseUrl(urlController.text);
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Navigator.pop(dialogContext); // Close the dialog
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text("New URL Saved!"),
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backgroundColor: Colors.green,
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),
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);
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}
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},
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child: const Text("Save"),
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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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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Stack( // Use a Stack to overlay the settings button
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children: [
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Container(
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width: double.infinity,
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height: double.infinity,
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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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Color(0xFF0D47A1),
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Color(0xFF1976D2),
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Color(0xFF42A5F5),
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Color(0xFF90CAF9),
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],
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stops: [0.0, 0.3, 0.7, 1.0],
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),
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),
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child: SafeArea(
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child: SingleChildScrollView(
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24.0),
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child: Column(
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children: [
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const SizedBox(height: 0),
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Image.asset(
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'assets/images/logo.png',
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width: 200,
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height: 200,
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fit: BoxFit.contain,
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),
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const SizedBox(height: 0),
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Container(
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width: 80,
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height: 80,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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border: Border.all(color: Colors.white, width: 2),
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),
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child: const Icon(
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Icons.person_outline,
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size: 50,
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color: Colors.white,
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),
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),
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const SizedBox(height: 24),
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Text(
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'Sign in to continue',
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style: TextStyle(
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fontSize: 22,
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fontWeight: FontWeight.w600,
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color: Colors.white,
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shadows: [
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Shadow(
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offset: const Offset(1, 1),
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blurRadius: 4,
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color: Colors.black.withOpacity(0.3),
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),
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],
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),
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),
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const SizedBox(height: 40),
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// Login form
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Container(
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padding: const EdgeInsets.all(24),
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decoration: BoxDecoration(
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color: Colors.white.withOpacity(0.95),
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borderRadius: BorderRadius.circular(20),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.1),
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blurRadius: 20,
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offset: const Offset(0, 10),
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),
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],
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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.start,
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children: [
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const Text(
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'Email or Username',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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color: Color(0xFF1976D2),
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),
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),
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const SizedBox(height: 8),
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TextFormField(
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controller: _emailController,
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keyboardType: TextInputType.emailAddress,
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decoration: InputDecoration(
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hintText: 'Enter your email',
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prefixIcon: const Icon(Icons.email_outlined,
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color: Color(0xFF1976D2)),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide:
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BorderSide(color: Colors.grey.shade300),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(
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color: Color(0xFF1976D2), width: 2),
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),
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filled: true,
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fillColor: Colors.grey.shade50,
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),
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validator: (value) {
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if (value == null || value.trim().isEmpty) {
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return 'Please enter your username or email';
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}
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return null; // Return null if the input is valid
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},
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),
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const SizedBox(height: 20),
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const Text(
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'Password',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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color: Color(0xFF1976D2),
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),
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),
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const SizedBox(height: 8),
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TextFormField(
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controller: _passwordController,
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obscureText: _obscurePassword,
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decoration: InputDecoration(
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hintText: 'Enter your password',
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prefixIcon: const Icon(Icons.lock_outline,
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color: Color(0xFF1976D2)),
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suffixIcon: IconButton(
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icon: Icon(
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_obscurePassword
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? Icons.visibility_outlined
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: Icons.visibility_off_outlined,
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color: Color(0xFF1976D2),
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),
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onPressed: () {
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setState(() {
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_obscurePassword = !_obscurePassword;
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});
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},
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),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide:
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BorderSide(color: Colors.grey.shade300),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(
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color: Color(0xFF1976D2), width: 2),
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),
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filled: true,
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fillColor: Colors.grey.shade50,
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),
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validator: (value) {
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if (value == null || value.isEmpty) {
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return 'Please enter your password';
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}
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if (value.length < 6) {
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return 'Password must be at least 6 characters';
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}
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return null;
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},
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),
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Row(
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children: [
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Checkbox(
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value: _rememberMe,
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onChanged: (value) {
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setState(() {
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_rememberMe = value ?? false;
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});
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},
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),
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const Text(
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'Remember me',
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style: TextStyle(
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fontSize: 14,
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color: Colors.black,
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fontWeight: FontWeight.w500,
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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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SizedBox(
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width: double.infinity,
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height: 56,
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child: ElevatedButton(
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onPressed: _isLoading ? null : _handleSignIn,
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style: ElevatedButton.styleFrom(
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backgroundColor: const Color(0xFF1976D2),
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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elevation: 3,
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),
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child: _isLoading
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? const SizedBox(
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height: 20,
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width: 20,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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color: Colors.white,
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),
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)
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: const Text(
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'Sign In',
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style: TextStyle(
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fontSize: 16,
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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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const SizedBox(height: 16),
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Center(
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// child: TextButton(
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// onPressed: () {
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// // TODO: Implement forgot password
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// ScaffoldMessenger.of(context).showSnackBar(
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// const SnackBar(
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// content: Text(
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// 'Forgot password functionality to be implemented'),
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// ),
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// );
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// },
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// child: const Text(
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// 'Forgot password?',
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// style: TextStyle(
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// fontSize: 14,
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// color: Color(0xFF1976D2),
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// fontWeight: FontWeight.w500,
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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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),
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),
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// 4. ADD THE SETTINGS BUTTON on top of the UI
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Positioned(
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top: MediaQuery.of(context).padding.top + 8,
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right: 8,
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child: IconButton(
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icon: const Icon(Icons.settings, color: Colors.white, size: 28),
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tooltip: 'Server Settings',
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onPressed: () {
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_showUrlDialog(context);
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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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} |