347 lines
11 KiB
Dart
347 lines
11 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:dio/dio.dart';
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import '../../../../app/theme/app_colors.dart';
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import '../../../../app/theme/app_typography.dart';
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import '../../../../app/theme/app_spacing.dart';
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import '../../../../shared/widgets/genex_button.dart';
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import '../../../../shared/widgets/countdown_button.dart';
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import '../../../../core/services/auth_service.dart' show SmsCodeType;
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import '../../../../app/i18n/app_localizations.dart';
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import '../providers/auth_provider.dart';
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/// A1. 登录页 - 密码登录 / 验证码快捷登录
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class LoginPage extends ConsumerStatefulWidget {
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const LoginPage({super.key});
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@override
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ConsumerState<LoginPage> createState() => _LoginPageState();
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}
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class _LoginPageState extends ConsumerState<LoginPage> with SingleTickerProviderStateMixin {
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late TabController _tabController;
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final _phoneController = TextEditingController();
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final _passwordController = TextEditingController();
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final _smsPhoneController = TextEditingController();
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final _codeController = TextEditingController();
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bool _obscurePassword = true;
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bool _loading = false;
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String? _errorMessage;
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@override
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void initState() {
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super.initState();
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_tabController = TabController(length: 2, vsync: this);
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_tabController.addListener(() {
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if (mounted) setState(() => _errorMessage = null);
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});
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}
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@override
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void dispose() {
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_tabController.dispose();
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_phoneController.dispose();
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_passwordController.dispose();
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_smsPhoneController.dispose();
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_codeController.dispose();
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super.dispose();
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}
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void _showError(String message) {
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setState(() => _errorMessage = message);
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}
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String _extractError(DioException e) {
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final data = e.response?.data;
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if (data is Map && data['message'] != null) {
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return data['message'].toString();
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}
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return context.t('login.networkError');
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}
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/* ── 密码登录 ── */
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Future<void> _handlePasswordLogin() async {
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final identifier = _phoneController.text.trim();
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final password = _passwordController.text;
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if (identifier.isEmpty) {
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_showError(context.t('login.errorPhoneRequired'));
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return;
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}
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if (password.isEmpty || password.length < 8) {
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_showError(context.t('login.errorPasswordMin'));
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return;
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}
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setState(() { _loading = true; _errorMessage = null; });
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try {
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await ref.read(authProvider.notifier).loginByPassword(
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identifier: identifier,
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password: password,
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);
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if (mounted) Navigator.pushReplacementNamed(context, '/main');
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} on DioException catch (e) {
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_showError(_extractError(e));
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} catch (e) {
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_showError(e.toString());
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} finally {
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if (mounted) setState(() => _loading = false);
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}
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}
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/* ── 发送 SMS 验证码 ── */
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Future<void> _handleSendLoginCode() async {
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final phone = _smsPhoneController.text.trim();
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if (phone.isEmpty) {
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_showError(context.t('login.errorPhoneRequired'));
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throw Exception('phone required'); // 阻止倒计时启动
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}
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setState(() => _errorMessage = null);
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try {
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await ref.read(authProvider.notifier).sendSmsCode(phone, SmsCodeType.login);
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} on DioException catch (e) {
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_showError(_extractError(e));
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rethrow;
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}
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}
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/* ── 验证码登录 ── */
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Future<void> _handleCodeLogin() async {
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final phone = _smsPhoneController.text.trim();
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final code = _codeController.text.trim();
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if (phone.isEmpty) {
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_showError(context.t('login.errorPhoneRequired'));
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return;
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}
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if (code.length != 6) {
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_showError(context.t('login.errorCodeInvalid'));
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return;
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}
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setState(() { _loading = true; _errorMessage = null; });
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try {
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await ref.read(authProvider.notifier).loginByPhone(phone: phone, smsCode: code);
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if (mounted) Navigator.pushReplacementNamed(context, '/main');
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} on DioException catch (e) {
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_showError(_extractError(e));
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} catch (e) {
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_showError(e.toString());
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} finally {
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if (mounted) setState(() => _loading = false);
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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 Scaffold(
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appBar: AppBar(
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leading: IconButton(
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icon: const Icon(Icons.arrow_back_ios_new_rounded, size: 20),
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onPressed: () => Navigator.of(context).pop(),
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),
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),
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body: SafeArea(
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child: Padding(
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padding: AppSpacing.pagePadding,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const SizedBox(height: 16),
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Text(context.t('login.title'), style: AppTypography.displayMedium),
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const SizedBox(height: 8),
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Text(
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context.t('login.subtitle'),
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style: AppTypography.bodyLarge.copyWith(color: AppColors.textSecondary),
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),
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const SizedBox(height: 32),
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// Tab: Password / SMS Code
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Container(
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decoration: BoxDecoration(
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color: AppColors.gray50,
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borderRadius: AppSpacing.borderRadiusFull,
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),
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child: TabBar(
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controller: _tabController,
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indicator: BoxDecoration(
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color: AppColors.surface,
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borderRadius: AppSpacing.borderRadiusFull,
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boxShadow: AppSpacing.shadowSm,
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),
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indicatorSize: TabBarIndicatorSize.tab,
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dividerColor: Colors.transparent,
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labelColor: AppColors.textPrimary,
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unselectedLabelColor: AppColors.textTertiary,
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labelStyle: AppTypography.labelMedium,
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tabs: [
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Tab(text: context.t('login.passwordTab')),
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Tab(text: context.t('login.codeTab')),
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],
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),
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),
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const SizedBox(height: 24),
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// Error message
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if (_errorMessage != null) ...[
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Container(
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width: double.infinity,
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
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decoration: BoxDecoration(
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color: AppColors.errorLight,
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borderRadius: AppSpacing.borderRadiusSm,
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),
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child: Row(
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children: [
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const Icon(Icons.error_outline, color: AppColors.error, size: 18),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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_errorMessage!,
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style: AppTypography.bodySmall.copyWith(color: AppColors.error),
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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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],
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Expanded(
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child: TabBarView(
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controller: _tabController,
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children: [
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_buildPasswordLogin(),
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_buildCodeLogin(),
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],
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),
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),
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// Register link
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Center(
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child: GestureDetector(
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onTap: () => Navigator.pushNamed(context, '/register'),
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child: RichText(
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text: TextSpan(
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style: AppTypography.bodySmall.copyWith(color: AppColors.textSecondary),
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children: [
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TextSpan(text: context.t('login.noAccount')),
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TextSpan(
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text: context.t('login.registerNow'),
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style: const TextStyle(color: AppColors.primary, fontWeight: FontWeight.w600),
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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: 16),
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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 _buildPasswordLogin() {
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return SingleChildScrollView(
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child: Column(
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children: [
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TextField(
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controller: _phoneController,
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keyboardType: TextInputType.phone,
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decoration: InputDecoration(
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hintText: context.t('login.phoneOrEmail'),
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prefixIcon: const Icon(Icons.person_outline_rounded, color: AppColors.textTertiary),
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),
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),
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const SizedBox(height: 16),
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TextField(
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controller: _passwordController,
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obscureText: _obscurePassword,
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decoration: InputDecoration(
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hintText: context.t('login.password'),
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prefixIcon: const Icon(Icons.lock_outline_rounded, color: AppColors.textTertiary),
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suffixIcon: IconButton(
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icon: Icon(
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_obscurePassword ? Icons.visibility_off_outlined : Icons.visibility_outlined,
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color: AppColors.textTertiary,
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size: 20,
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),
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onPressed: () => setState(() => _obscurePassword = !_obscurePassword),
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),
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),
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),
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const SizedBox(height: 12),
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Align(
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alignment: Alignment.centerRight,
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child: GestureDetector(
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onTap: () => Navigator.pushNamed(context, '/forgot-password'),
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child: Text(
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context.t('login.forgotPassword'),
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style: AppTypography.labelSmall.copyWith(color: AppColors.primary),
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),
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),
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),
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const SizedBox(height: 24),
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GenexButton(
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label: context.t('login.submit'),
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isLoading: _loading,
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onPressed: _handlePasswordLogin,
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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 _buildCodeLogin() {
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return SingleChildScrollView(
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child: Column(
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children: [
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TextField(
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controller: _smsPhoneController,
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keyboardType: TextInputType.phone,
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decoration: InputDecoration(
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hintText: context.t('login.phone'),
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prefixIcon: const Icon(Icons.phone_android_rounded, color: AppColors.textTertiary),
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),
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),
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const SizedBox(height: 16),
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Row(
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children: [
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Expanded(
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child: TextField(
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controller: _codeController,
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keyboardType: TextInputType.number,
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maxLength: 6,
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decoration: InputDecoration(
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hintText: context.t('login.verifyCode'),
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counterText: '',
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prefixIcon: const Icon(Icons.shield_outlined, color: AppColors.textTertiary),
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),
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),
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),
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const SizedBox(width: 12),
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CountdownButton(
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label: context.t('login.getCode'),
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onPressed: _handleSendLoginCode,
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),
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],
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),
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const SizedBox(height: 24),
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GenexButton(
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label: context.t('login.submit'),
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isLoading: _loading,
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onPressed: _handleCodeLogin,
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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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