login-page/lib/screens/login_screen.dart
2025-05-17 21:43:57 +03:00

355 lines
13 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import '../utils/text_utils.dart';
import 'verify.dart';
class LoginScreen extends StatefulWidget {
const LoginScreen({super.key});
@override
State<LoginScreen> createState() => _LoginScreenState();
}
class _LoginScreenState extends State<LoginScreen>
with SingleTickerProviderStateMixin {
bool isDarkMode = false;
bool _phoneHasFocus = false;
bool _phoneContainsText = false;
final TextEditingController _phoneController = TextEditingController();
// Auto-generated verification code
String? _generatedCode;
// Timer variables
late Timer _timer;
int _countdown = 60;
bool _isCounting = false;
@override
void initState() {
super.initState();
}
@override
void dispose() {
_phoneController.dispose();
if (_isCounting) _timer.cancel();
super.dispose();
}
/// Validates phone number input
String? _validatePhone(String value) {
if (value.isEmpty) return 'Phone number cannot be empty';
if (!RegExp(r'^\d{10}$').hasMatch(value)) {
return 'Enter a valid 10-digit phone number';
}
return null;
}
/// Generates a random 4-digit code
String _generateVerificationCode() {
final random = DateTime.now().millisecondsSinceEpoch % 9000 + 1000;
return random.toString();
}
/// Starts a countdown timer for code expiration
void _startCountdown() {
if (_isCounting) return;
_isCounting = true;
_timer = Timer.periodic(Duration(seconds: 1), (timer) {
if (_countdown == 0) {
_isCounting = false;
timer.cancel();
} else {
setState(() {
_countdown--;
});
}
});
}
/// Sends user to Verification Screen with generated code
void _connect() {
final validation = _validatePhone(_phoneController.text);
if (validation != null) {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(validation)));
return;
}
// Generate new code
_generatedCode = _generateVerificationCode();
// Show snackbar and auto-fill in verification screen
WidgetsBinding.instance.addPostFrameCallback((_) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text("Auto-filled code: $_generatedCode")),
);
});
// Start countdown
_countdown = 60;
_startCountdown();
// Navigate to verification screen
Navigator.push(
context,
MaterialPageRoute(
builder:
(context) => VerificationScreen(
correctCode: _generatedCode!,
autoFillCode: _generatedCode, // Pass generated code for auto-fill
),
),
);
}
@override
Widget build(BuildContext context) {
return Theme(
data: isDarkMode ? ThemeData.dark() : ThemeData.light(),
child: Scaffold(
appBar: AppBar(
backgroundColor: Color(0xFFC76723),
elevation: 0,
actions: [
IconButton(
icon: Icon(isDarkMode ? Icons.light_mode : Icons.dark_mode),
color: Colors.white,
onPressed: () {
setState(() {
isDarkMode = !isDarkMode;
});
},
),
],
),
body: Container(
height: double.infinity,
width: double.infinity,
color: isDarkMode ? Color.fromARGB(255, 26, 24, 24) : Colors.white,
child: Align(
alignment: Alignment.center,
child: Container(
width: double.infinity,
margin: EdgeInsets.symmetric(horizontal: 30),
decoration: BoxDecoration(
border: Border.all(
color:
isDarkMode
? Color.fromARGB(255, 35, 38, 46)
: Color.fromARGB(136, 71, 69, 69),
),
borderRadius: BorderRadius.circular(15),
color:
isDarkMode
? Color.fromARGB(133, 93, 75, 75)
: Colors.white70,
),
child: SingleChildScrollView(
child: Padding(
padding: const EdgeInsets.all(20),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Logo with tagline directly underneath
Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
// Logo
SizedBox(
height: 100,
width: 160,
child: Image.asset(
'assets/logo.png',
fit: BoxFit.contain,
),
),
const SizedBox(height: 4), // Reduced space between logo and tagline
// Tagline
Text(
'Fast . Reliable . Affordable',
textAlign: TextAlign.center,
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
letterSpacing: 1.0,
color:
isDarkMode ? Colors.white : Colors.black87,
),
),
// Removed the blue line and adjusted spacing
const SizedBox(height: 24), // Added more space after tagline
// "Sign in here" text
TextUtil(
text: "Sign in here",
weight: true,
size: 20,
color: isDarkMode ? Colors.white : Colors.black,
),
],
),
),
const SizedBox(height: 16),
TextUtil(text: "Phone Number"),
Container(
height: 50,
padding: EdgeInsets.symmetric(horizontal: 12),
decoration: BoxDecoration(
color: isDarkMode ? Colors.grey[800] : Colors.white,
border: Border.all(
color:
_phoneHasFocus || _phoneContainsText
? (isDarkMode
? Colors.blueAccent
: Colors.blue)
: (isDarkMode ? Colors.white : Colors.black)
.withOpacity(0.4),
width: 1.5,
),
borderRadius: BorderRadius.circular(8),
),
child: Row(
children: [
Icon(
Icons.phone,
color: isDarkMode ? Colors.white : Colors.black,
size: 20,
),
const SizedBox(width: 10),
Expanded(
child: TextFormField(
controller: _phoneController,
keyboardType: TextInputType.number,
maxLength: 10,
style: TextStyle(
color:
isDarkMode ? Colors.white : Colors.black,
),
decoration: InputDecoration(
hintText: "Enter phone number",
counterText: "",
border: InputBorder.none,
hintStyle: TextStyle(
color:
isDarkMode
? Colors.white70
: Colors.black45,
),
isDense: true,
),
inputFormatters: [
FilteringTextInputFormatter.digitsOnly,
LengthLimitingTextInputFormatter(10),
],
onChanged: (value) {
setState(() {
_phoneContainsText = value.isNotEmpty;
});
},
onTap: () {
setState(() {
_phoneHasFocus = true;
});
},
onEditingComplete: () {
setState(() {
_phoneHasFocus = false;
});
},
),
),
],
),
),
const SizedBox(height: 20),
GestureDetector(
onTap: _connect,
child: Container(
height: 40,
width: double.infinity,
decoration: BoxDecoration(
color: Colors.blue,
borderRadius: BorderRadius.circular(30),
),
alignment: Alignment.center,
child: TextUtil(text: "Connect", color: Colors.white),
),
),
const SizedBox(height: 16),
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
border: Border.all(
color: isDarkMode ? Colors.white24 : Colors.black26,
),
borderRadius: BorderRadius.circular(12),
color:
isDarkMode ? Colors.grey[850] : Colors.grey[200],
),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.headset_mic,
color:
isDarkMode ? Colors.blueAccent : Colors.blue,
),
const SizedBox(width: 8),
Text(
'Need help? Contact support',
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.bold,
color:
isDarkMode
? Colors.white70
: Colors.black54,
),
),
],
),
),
const SizedBox(height: 16),
Align(
alignment: Alignment.bottomCenter,
child: Container(
padding: const EdgeInsets.all(12),
width: double.infinity,
decoration: BoxDecoration(
border: Border.all(
color: isDarkMode ? Colors.white24 : Colors.black26,
),
borderRadius: BorderRadius.circular(12),
color:
isDarkMode ? Colors.grey[850] : Colors.grey[200],
),
child: Text(
'© Lence Amazons Ltd • All rights reserved • 2025',
textAlign: TextAlign.center,
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.bold,
color:
isDarkMode ? Colors.white70 : Colors.black54,
),
),
),
),
],
),
),
),
),
),
),
),
);
}
}