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