Files
nabeh/mobile/lib/features/auth/presentation/screens/login_screen.dart
2026-05-24 23:27:32 +03:00

244 lines
12 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import '../cubit/auth_cubit.dart';
import '../cubit/auth_state.dart';
class LoginScreen extends StatefulWidget {
const LoginScreen({super.key});
@override
State<LoginScreen> createState() => _LoginScreenState();
}
class _LoginScreenState extends State<LoginScreen> {
// English: Form key to manage state and invoke validation.
// Arabic: مفتاح النموذج لإدارة الحالة واستدعاء التحقق من الصحة.
final _formKey = GlobalKey<FormState>();
final _emailController = TextEditingController();
final _passwordController = TextEditingController();
bool _isPasswordVisible = false;
@override
void dispose() {
_emailController.dispose();
_passwordController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
// English: We use a dark, premium theme with purple/blue gradients.
// Arabic: نحن نستخدم سمة داكنة ومميزة مع تدرجات أرجوانية وزرقاء.
return Scaffold(
body: Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
colors: [Color(0xFF0F0C20), Color(0xFF15102A), Color(0xFF0A0814)],
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
),
),
child: SafeArea(
child: Center(
child: SingleChildScrollView(
padding: const EdgeInsets.symmetric(horizontal: 24.0),
child: Form(
key: _formKey,
child: BlocConsumer<AuthCubit, AuthState>(
listener: (context, state) {
if (state is AuthFailure) {
// English: Show failure message as SnackBar when state is AuthFailure.
// Arabic: عرض رسالة الفشل كشريط وجبة خفيفة عندما تكون الحالة فشل المصادقة.
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(
state.errorMessage,
style: const TextStyle(color: Colors.white, fontFamily: 'Outfit'),
),
backgroundColor: Colors.redAccent,
behavior: SnackBarBehavior.floating,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10),
),
),
);
}
},
builder: (context, state) {
return Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// English: Logo placeholder with dynamic design.
// Arabic: رمز شعار تجريبي بتصميم ديناميكي.
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
shape: BoxShape.circle,
color: Colors.deepPurple.withOpacity(0.2),
),
child: const Icon(
Icons.security,
size: 64,
color: Colors.purpleAccent,
),
),
const SizedBox(height: 24),
const Text(
'نـبـيـه',
style: TextStyle(
fontSize: 36,
fontWeight: FontWeight.bold,
color: Colors.white,
letterSpacing: 2,
),
),
const SizedBox(height: 8),
Text(
'تسجيل الدخول للمشرفين والعملاء',
style: TextStyle(
fontSize: 14,
color: Colors.white.withOpacity(0.6),
),
),
const SizedBox(height: 40),
// English: Email text input with custom borders and icons.
// Arabic: إدخال نص البريد الإلكتروني مع حدود وأيقونات مخصصة.
TextFormField(
controller: _emailController,
keyboardType: TextInputType.emailAddress,
style: const TextStyle(color: Colors.white),
decoration: InputDecoration(
labelText: 'البريد الإلكتروني',
labelStyle: TextStyle(color: Colors.white.withOpacity(0.6)),
prefixIcon: const Icon(Icons.email_outlined, color: Colors.purpleAccent),
filled: true,
fillColor: Colors.white.withOpacity(0.05),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide(color: Colors.white.withOpacity(0.1)),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: const BorderSide(color: Colors.purpleAccent, width: 2),
),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
),
),
validator: (value) {
if (value == null || value.trim().isEmpty) {
return 'الرجاء إدخال البريد الإلكتروني';
}
if (!RegExp(r'^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$').hasMatch(value)) {
return 'الرجاء إدخال بريد إلكتروني صالح';
}
return null;
},
),
const SizedBox(height: 20),
// English: Password text input with visibility toggle.
// Arabic: إدخال نص كلمة المرور مع إمكانية التبديل بين إظهارها وإخفائها.
TextFormField(
controller: _passwordController,
obscureText: !_isPasswordVisible,
style: const TextStyle(color: Colors.white),
decoration: InputDecoration(
labelText: 'كلمة المرور',
labelStyle: TextStyle(color: Colors.white.withOpacity(0.6)),
prefixIcon: const Icon(Icons.lock_outline, color: Colors.purpleAccent),
suffixIcon: IconButton(
icon: Icon(
_isPasswordVisible ? Icons.visibility : Icons.visibility_off,
color: Colors.white.withOpacity(0.6),
),
onPressed: () {
setState(() {
_isPasswordVisible = !_isPasswordVisible;
});
},
),
filled: true,
fillColor: Colors.white.withOpacity(0.05),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide(color: Colors.white.withOpacity(0.1)),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: const BorderSide(color: Colors.purpleAccent, width: 2),
),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
),
),
validator: (value) {
if (value == null || value.isEmpty) {
return 'الرجاء إدخال كلمة المرور';
}
return null;
},
),
const SizedBox(height: 40),
// English: Submit button. Shows progress bar during login request.
// Arabic: زر الإرسال. يعرض شريط تقدم تحميل البيانات أثناء المصادقة.
if (state is AuthLoading)
const CircularProgressIndicator(color: Colors.purpleAccent)
else
GestureDetector(
onTap: () {
if (_formKey.currentState!.validate()) {
// English: Dispatch login method to AuthCubit.
// Arabic: استدعاء دالة تسجيل الدخول إلى الكيوبيت.
context.read<AuthCubit>().login(
_emailController.text.trim(),
_passwordController.text,
);
}
},
child: Container(
width: double.infinity,
height: 56,
decoration: BoxDecoration(
gradient: const LinearGradient(
colors: [Colors.purpleAccent, Colors.deepPurpleAccent],
begin: Alignment.centerLeft,
end: Alignment.centerRight,
),
borderRadius: BorderRadius.circular(12),
boxShadow: [
BoxShadow(
color: Colors.purpleAccent.withOpacity(0.3),
blurRadius: 12,
offset: const Offset(0, 4),
)
],
),
child: const Center(
child: Text(
'تسجيل الدخول',
style: TextStyle(
color: Colors.white,
fontSize: 16,
fontWeight: FontWeight.bold,
),
),
),
),
),
],
);
},
),
),
),
),
),
),
);
}
}