gcx/frontend/genex-mobile/lib/features/auth/presentation/pages/login_page.dart

347 lines
11 KiB
Dart

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