it0/it0_app/lib/features/auth/presentation/pages/login_page.dart

296 lines
11 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:go_router/go_router.dart';
import '../../../../core/theme/app_colors.dart';
import '../../data/providers/auth_provider.dart';
enum _LoginMode { password, otp }
class LoginPage extends ConsumerStatefulWidget {
const LoginPage({super.key});
@override
ConsumerState<LoginPage> createState() => _LoginPageState();
}
class _LoginPageState extends ConsumerState<LoginPage> {
final _formKey = GlobalKey<FormState>();
final _emailController = TextEditingController();
final _passwordController = TextEditingController();
final _phoneController = TextEditingController();
final _otpController = TextEditingController();
_LoginMode _mode = _LoginMode.password;
int _smsCooldown = 0;
bool _smsSending = false;
Timer? _cooldownTimer;
@override
void dispose() {
_emailController.dispose();
_passwordController.dispose();
_phoneController.dispose();
_otpController.dispose();
_cooldownTimer?.cancel();
super.dispose();
}
Future<void> _sendSmsCode() async {
final phone = _phoneController.text.trim();
if (phone.isEmpty) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('请先输入手机号')),
);
return;
}
setState(() => _smsSending = true);
try {
await ref.read(authStateProvider.notifier).sendSmsCode(phone);
setState(() => _smsCooldown = 60);
_cooldownTimer = Timer.periodic(const Duration(seconds: 1), (t) {
setState(() {
if (_smsCooldown <= 1) {
_smsCooldown = 0;
t.cancel();
} else {
_smsCooldown--;
}
});
});
} catch (e) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(e.toString())),
);
}
} finally {
if (mounted) setState(() => _smsSending = false);
}
}
@override
Widget build(BuildContext context) {
final authState = ref.watch(authStateProvider);
return Scaffold(
backgroundColor: AppColors.background,
body: Center(
child: SingleChildScrollView(
padding: const EdgeInsets.symmetric(horizontal: 32, vertical: 48),
child: Form(
key: _formKey,
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 360),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
SvgPicture.asset('assets/icons/logo.svg', width: 96, height: 96),
const SizedBox(height: 12),
const Text(
'iAgent',
style: TextStyle(
color: AppColors.textPrimary,
fontSize: 28,
fontWeight: FontWeight.bold,
letterSpacing: 2,
),
),
const SizedBox(height: 4),
const Text(
'服务器集群运维智能体',
style: TextStyle(color: AppColors.textSecondary, fontSize: 14),
),
const SizedBox(height: 32),
// Login mode toggle
Container(
decoration: BoxDecoration(
color: AppColors.surface,
borderRadius: BorderRadius.circular(8),
border: Border.all(color: AppColors.surfaceLight),
),
child: Row(
children: [
Expanded(child: _modeButton('密码登录', _LoginMode.password)),
Expanded(child: _modeButton('验证码登录', _LoginMode.otp)),
],
),
),
const SizedBox(height: 24),
if (_mode == _LoginMode.password) ...[
TextFormField(
controller: _emailController,
keyboardType: TextInputType.emailAddress,
decoration: const InputDecoration(
labelText: '邮箱',
hintText: 'user@example.com',
prefixIcon: Icon(Icons.email_outlined),
),
validator: (v) {
if (v == null || v.isEmpty) return '请输入邮箱地址';
if (!v.contains('@')) return '请输入有效的邮箱地址';
return null;
},
),
const SizedBox(height: 16),
TextFormField(
controller: _passwordController,
obscureText: true,
decoration: const InputDecoration(
labelText: '密码',
prefixIcon: Icon(Icons.lock_outline),
),
validator: (v) => (v == null || v.isEmpty) ? '请输入密码' : null,
onFieldSubmitted: (_) => _handlePasswordLogin(),
),
] else ...[
TextFormField(
controller: _phoneController,
keyboardType: TextInputType.phone,
decoration: const InputDecoration(
labelText: '手机号',
hintText: '+86 138 0000 0000',
prefixIcon: Icon(Icons.phone_outlined),
),
validator: (v) => (v == null || v.isEmpty) ? '请输入手机号' : null,
),
const SizedBox(height: 16),
Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
child: TextFormField(
controller: _otpController,
keyboardType: TextInputType.number,
maxLength: 6,
decoration: const InputDecoration(
labelText: '验证码',
hintText: '6 位数字',
prefixIcon: Icon(Icons.sms_outlined),
counterText: '',
),
validator: (v) => (v == null || v.isEmpty) ? '请输入验证码' : null,
onFieldSubmitted: (_) => _handleOtpLogin(),
),
),
const SizedBox(width: 8),
SizedBox(
height: 56,
child: OutlinedButton(
onPressed: (_smsSending || _smsCooldown > 0) ? null : _sendSmsCode,
child: Text(
_smsSending
? '发送中'
: _smsCooldown > 0
? '${_smsCooldown}s'
: '获取验证码',
style: const TextStyle(fontSize: 13),
),
),
),
],
),
],
if (authState.error != null) ...[
const SizedBox(height: 16),
Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
decoration: BoxDecoration(
color: AppColors.error.withAlpha(25),
borderRadius: BorderRadius.circular(8),
),
child: Row(
children: [
const Icon(Icons.error_outline, color: AppColors.error, size: 18),
const SizedBox(width: 8),
Expanded(
child: Text(
authState.error!,
style: const TextStyle(color: AppColors.error, fontSize: 13),
),
),
],
),
),
],
const SizedBox(height: 24),
SizedBox(
width: double.infinity,
height: 48,
child: FilledButton(
onPressed: authState.isLoading
? null
: (_mode == _LoginMode.password
? _handlePasswordLogin
: _handleOtpLogin),
child: authState.isLoading
? const SizedBox(
height: 20,
width: 20,
child: CircularProgressIndicator(
strokeWidth: 2, color: Colors.white),
)
: const Text('登录', style: TextStyle(fontSize: 16)),
),
),
const SizedBox(height: 32),
Text(
'账号由管理员在后台创建或通过邀请链接注册',
style: TextStyle(color: AppColors.textMuted, fontSize: 12),
textAlign: TextAlign.center,
),
],
),
),
),
),
),
);
}
Widget _modeButton(String label, _LoginMode mode) {
final selected = _mode == mode;
return GestureDetector(
onTap: () => setState(() => _mode = mode),
child: Container(
padding: const EdgeInsets.symmetric(vertical: 10),
decoration: BoxDecoration(
color: selected ? AppColors.primary : Colors.transparent,
borderRadius: BorderRadius.circular(7),
),
child: Text(
label,
textAlign: TextAlign.center,
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.w500,
color: selected ? Colors.white : AppColors.textSecondary,
),
),
),
);
}
Future<void> _handlePasswordLogin() async {
if (!_formKey.currentState!.validate()) return;
final success = await ref.read(authStateProvider.notifier).login(
_emailController.text.trim(),
_passwordController.text,
);
if (success && mounted) context.go('/dashboard');
}
Future<void> _handleOtpLogin() async {
if (!_formKey.currentState!.validate()) return;
final success = await ref.read(authStateProvider.notifier).loginWithOtp(
_phoneController.text.trim(),
_otpController.text.trim(),
);
if (success && mounted) context.go('/dashboard');
}
}