Neda/admin_panel/lib/screens/login_screen.dart
2026-03-07 19:18:52 +03:30

276 lines
11 KiB
Dart

import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:provider/provider.dart';
import '../config/app_config.dart';
import '../providers/auth_provider.dart';
import '../theme/app_theme.dart';
class LoginScreen extends StatefulWidget {
const LoginScreen({super.key});
@override
State<LoginScreen> createState() => _LoginScreenState();
}
class _LoginScreenState extends State<LoginScreen> {
final _formKey = GlobalKey<FormState>();
final _usernameCtrl = TextEditingController();
final _secretCtrl = TextEditingController();
bool _obscure = true;
@override
void dispose() {
_usernameCtrl.dispose();
_secretCtrl.dispose();
super.dispose();
}
Future<void> _submit() async {
if (!_formKey.currentState!.validate()) return;
final auth = context.read<AuthProvider>();
final ok = await auth.login(
_usernameCtrl.text.trim(),
_secretCtrl.text.trim(),
);
if (ok && mounted) {
context.go('/dashboard');
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: AppTheme.sidebarBg,
body: Center(
child: SingleChildScrollView(
padding: const EdgeInsets.all(24),
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 420),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// ── Logo ───────────────────────────────────────────────
Container(
width: 72,
height: 72,
decoration: BoxDecoration(
color: AppTheme.primary,
borderRadius: BorderRadius.circular(20),
),
child: const Icon(
Icons.radio_rounded,
color: Colors.white,
size: 38,
),
),
const SizedBox(height: 16),
const Text(
'NEDA',
style: TextStyle(
color: Colors.white,
fontSize: 32,
fontWeight: FontWeight.w800,
letterSpacing: 3,
),
),
const SizedBox(height: 6),
const Text(
'پنل مدیریت سیستم',
style: TextStyle(
color: AppTheme.sidebarText,
fontSize: 14,
),
),
const SizedBox(height: 40),
// ── Card ───────────────────────────────────────────────
Container(
padding: const EdgeInsets.all(28),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(20),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: 0.2),
blurRadius: 40,
offset: const Offset(0, 8),
),
],
),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
const Text(
'ورود به حساب',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.w700,
color: AppTheme.textPrimary,
),
),
const SizedBox(height: 4),
const Text(
'اطلاعات مدیر سیستم را وارد کنید',
style: TextStyle(
fontSize: 13,
color: AppTheme.textSecondary,
),
),
const SizedBox(height: 24),
// Username field
TextFormField(
controller: _usernameCtrl,
textDirection: TextDirection.ltr,
decoration: const InputDecoration(
labelText: 'نام کاربری',
prefixIcon: Icon(Icons.person_outline_rounded),
),
validator: (v) =>
(v == null || v.trim().isEmpty) ? 'نام کاربری الزامی است' : null,
textInputAction: TextInputAction.next,
),
const SizedBox(height: 16),
// Secret field
TextFormField(
controller: _secretCtrl,
obscureText: _obscure,
textDirection: TextDirection.ltr,
decoration: InputDecoration(
labelText: 'رمز عبور',
prefixIcon: const Icon(Icons.lock_outline_rounded),
suffixIcon: IconButton(
icon: Icon(
_obscure
? Icons.visibility_off_outlined
: Icons.visibility_outlined,
),
onPressed: () =>
setState(() => _obscure = !_obscure),
),
),
validator: (v) =>
(v == null || v.trim().isEmpty) ? 'رمز عبور الزامی است' : null,
onFieldSubmitted: (_) => _submit(),
),
const SizedBox(height: 8),
// Error message
Consumer<AuthProvider>(
builder: (_, auth, __) {
if (auth.error == null) return const SizedBox.shrink();
return Padding(
padding: const EdgeInsets.only(top: 8),
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 12, vertical: 10),
decoration: BoxDecoration(
color: AppTheme.danger.withValues(alpha: 0.08),
borderRadius: BorderRadius.circular(8),
border: Border.all(
color: AppTheme.danger.withValues(alpha: 0.3)),
),
child: Row(
children: [
const Icon(Icons.error_outline_rounded,
color: AppTheme.danger, size: 16),
const SizedBox(width: 8),
Expanded(
child: Text(
auth.error!,
style: const TextStyle(
color: AppTheme.danger,
fontSize: 13,
),
),
),
],
),
),
);
},
),
const SizedBox(height: 24),
// Login button
Consumer<AuthProvider>(
builder: (_, auth, __) => SizedBox(
height: 48,
child: ElevatedButton(
onPressed: auth.status == AuthStatus.loading
? null
: _submit,
child: auth.status == AuthStatus.loading
? const SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(
color: Colors.white,
strokeWidth: 2,
),
)
: const Text('ورود'),
),
),
),
],
),
),
),
// ── Debug hint ─────────────────────────────────────────
if (AppConfig.debugMode) ...[
const SizedBox(height: 20),
Container(
padding: const EdgeInsets.symmetric(
horizontal: 16, vertical: 10),
decoration: BoxDecoration(
color: AppTheme.warning.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(10),
border: Border.all(
color: AppTheme.warning.withValues(alpha: 0.3)),
),
child: const Column(
children: [
Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.bug_report_rounded,
size: 14, color: AppTheme.warning),
SizedBox(width: 6),
Text(
'حالت آزمایشی فعال',
style: TextStyle(
color: AppTheme.warning,
fontSize: 12,
fontWeight: FontWeight.w600,
),
),
],
),
SizedBox(height: 4),
Text(
'نام کاربری: ${AppConfig.mockAdminUsername} | رمز: ${AppConfig.mockAdminSecret}',
style: TextStyle(
color: AppTheme.sidebarText,
fontSize: 11,
),
),
],
),
),
],
],
),
),
),
),
);
}
}