302 lines
11 KiB
Dart
302 lines
11 KiB
Dart
import 'dart:ui';
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import 'package:chepuhagram/presentation/screens/contacts_screen.dart';
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import 'package:chepuhagram/presentation/screens/account_setup_screen.dart';
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import 'package:chepuhagram/presentation/screens/key_recovery_screen.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../../logic/auth_provider.dart';
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import '/core/theme_manager.dart';
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import 'dart:io'; // Import for File
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class LoginScreen extends StatefulWidget {
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const LoginScreen({super.key});
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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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final _formKey = GlobalKey<FormState>();
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final _usernameController = TextEditingController();
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final _passwordController = TextEditingController();
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final _totpController = TextEditingController();
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bool _showTotpField = false;
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String? _errorMessage;
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late AnimationController _animationController;
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late Animation<double> _fadeAnimation;
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late Animation<Offset> _slideAnimation;
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void initState() {
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super.initState();
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_animationController = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 900),
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);
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_fadeAnimation =
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Tween<double>(begin: 0.0, end: 1.0).animate(CurvedAnimation(
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parent: _animationController,
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curve: Curves.easeIn,
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));
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_slideAnimation =
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Tween<Offset>(begin: const Offset(0, 0.3), end: Offset.zero).animate(
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CurvedAnimation(
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parent: _animationController,
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curve: Curves.fastOutSlowIn,
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));
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_animationController.forward();
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}
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Widget build(BuildContext context) {
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final authProvider = context.watch<AuthProvider>();
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final themeProv = context.watch<ThemeProvider>();
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final colorScheme = Theme.of(context).colorScheme;
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return Scaffold(
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body: Stack(
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children: [
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// Background Wallpaper
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if (themeProv.wallpaperPath != null)
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Container(
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decoration: BoxDecoration(
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image: DecorationImage(
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image: FileImage(File(themeProv.wallpaperPath!)),
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fit: BoxFit.cover,
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),
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),
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),
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// Blur Overlay
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if (themeProv.wallpaperPath != null)
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BackdropFilter(
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filter: ImageFilter.blur(sigmaX: 15, sigmaY: 15),
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child: Container(
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color: Colors.black.withOpacity(0.1),
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),
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),
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Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(24.0),
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child: Form(
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key: _formKey,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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SlideTransition(
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position: _slideAnimation,
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child: FadeTransition(
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opacity: _fadeAnimation,
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child: Column(
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children: [
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Icon(
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Icons.messenger_outline,
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size: 80,
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color: colorScheme.primary,
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),
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const SizedBox(height: 16),
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Text(
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"Чепухаграм",
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 28,
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fontWeight: FontWeight.bold,
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color: colorScheme.primary,
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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: 48),
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// Поле Логин
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_buildTextField(
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controller: _usernameController,
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label: "Логин",
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icon: Icons.person_outline,
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validator: (value) =>
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value!.isEmpty ? "Введите логин" : null,
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),
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const SizedBox(height: 16),
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// Поле Пароль
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_buildTextField(
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controller: _passwordController,
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label: "Пароль",
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icon: Icons.lock_outline,
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obscureText: true,
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validator: (value) =>
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value!.length < 6 ? "Минимум 6 символов" : null,
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),
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const SizedBox(height: 16),
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// Поле TOTP, если требуется
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if (_showTotpField)
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_buildTextField(
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controller: _totpController,
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label: "TOTP код",
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icon: Icons.security,
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validator: (value) =>
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value!.isEmpty ? "Введите TOTP код" : null,
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),
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if (_showTotpField) const SizedBox(height: 16),
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// Сообщение об ошибке
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if (_errorMessage != null)
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 16, vertical: 10),
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decoration: BoxDecoration(
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color: colorScheme.errorContainer.withOpacity(0.3),
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borderRadius: BorderRadius.circular(12),
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),
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child: Text(
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_errorMessage!,
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style: TextStyle(
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color: colorScheme.onErrorContainer,
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fontWeight: FontWeight.w500),
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textAlign: TextAlign.center,
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),
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),
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if (_errorMessage != null) const SizedBox(height: 16),
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const SizedBox(height: 24),
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// Кнопка Входа
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ElevatedButton(
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onPressed: authProvider.isLoading ? null : _submit,
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style: ElevatedButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 18),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16),
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),
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backgroundColor: colorScheme.primary,
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foregroundColor: colorScheme.onPrimary,
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),
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child: authProvider.isLoading
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? const SizedBox(
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height: 20,
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width: 20,
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child:
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CircularProgressIndicator(strokeWidth: 2, color: Colors.white),
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)
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: const Text("Войти",
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style: TextStyle(
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fontSize: 16, fontWeight: FontWeight.bold)),
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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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Widget _buildTextField({
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required TextEditingController controller,
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required String label,
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required IconData icon,
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bool obscureText = false,
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String? Function(String?)? validator,
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}) {
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final colorScheme = Theme.of(context).colorScheme;
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return ClipRRect(
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borderRadius: BorderRadius.circular(16),
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child: BackdropFilter(
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filter: ImageFilter.blur(sigmaX: 5, sigmaY: 5),
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child: Container(
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decoration: BoxDecoration(
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color: colorScheme.surfaceVariant.withOpacity(0.35),
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borderRadius: BorderRadius.circular(16),
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border: Border.all(
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color: colorScheme.outlineVariant.withOpacity(0.15),
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width: 1,
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),
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),
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child: TextFormField(
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controller: controller,
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obscureText: obscureText,
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validator: validator,
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decoration: InputDecoration(
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labelText: label,
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labelStyle: TextStyle(color: colorScheme.outline),
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prefixIcon: Icon(icon, color: colorScheme.outline),
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border: InputBorder.none,
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contentPadding:
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const EdgeInsets.symmetric(horizontal: 20, vertical: 5),
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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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void _submit() async {
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// Сначала убираем фокус с полей, чтобы клавиатура скрылась
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FocusScope.of(context).unfocus();
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await Future.delayed(const Duration(milliseconds: 200));
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if (!_formKey.currentState!.validate()) return;
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try {
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final authProvider = context.read<AuthProvider>();
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final success = await authProvider.login(
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_usernameController.text,
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_passwordController.text,
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totpCode: _showTotpField ? _totpController.text : null,
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);
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if (success && mounted) {
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await authProvider.initRealtime();
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// Определяем путь пользователя после входа
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if (authProvider.needsSetup) {
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// Путь А: Первичная настройка
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(builder: (_) => const AccountSetupScreen()),
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);
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} else if (authProvider.needsKeyRecovery) {
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// Путь В: Восстановление ключей
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(builder: (_) => const KeyRecoveryScreen()),
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);
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} else {
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// Путь Б: Нормальный вход
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(builder: (_) => const ContactsScreen()),
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);
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}
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}
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} catch (e) {
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final error = e.toString().replaceAll('Exception: ', '');
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if (mounted) {
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setState(() {
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_errorMessage = error;
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if (error.contains('TOTP код требуется')) {
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_showTotpField = true;
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}
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});
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}
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}
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}
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void dispose() {
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_usernameController.dispose();
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_passwordController.dispose();
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_totpController.dispose();
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_animationController.dispose();
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super.dispose();
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}
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} |