Files
jizhi/frontend/lib/shared/widgets/ai_access_gate.dart
T
2026-07-24 23:11:20 +08:00

144 lines
4.9 KiB
Dart

import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:miaoji_zhang/shared/services/session_store.dart';
import 'package:miaoji_zhang/shared/services/sync_service.dart';
import 'package:miaoji_zhang/shared/theme/app_theme.dart';
import 'package:miaoji_zhang/shared/widgets/app_controls.dart';
import 'package:miaoji_zhang/shared/widgets/app_icons.dart';
enum AiAccessState { guest, reauthenticate, cloudDisabled }
AiAccessState? currentAiAccessState() {
final session = SessionStore.instance;
if (session.isGuest) return AiAccessState.guest;
if (session.needsReauth) return AiAccessState.reauthenticate;
if (!session.cloudSyncEnabled) return AiAccessState.cloudDisabled;
return null;
}
class AiAccessGate extends StatefulWidget {
final AiAccessState state;
final Future<void> Function()? onAction;
const AiAccessGate({super.key, required this.state, this.onAction});
@override
State<AiAccessGate> createState() => _AiAccessGateState();
}
class _AiAccessGateState extends State<AiAccessGate> {
bool _busy = false;
String get _title => switch (widget.state) {
AiAccessState.guest => '登录后使用 AI 助手',
AiAccessState.reauthenticate => '登录状态已过期',
AiAccessState.cloudDisabled => 'AI 功能需要云连接',
};
String get _message => switch (widget.state) {
AiAccessState.guest => '游客账单会继续安全保存在本机。登录后即可使用 AI 聊天、语音解析和图片识别。',
AiAccessState.reauthenticate => '本地记账不受影响。重新登录后可以继续使用 AI 和云同步。',
AiAccessState.cloudDisabled => '当前账号仅使用本地数据。开启云同步后才能发送 AI 消息。',
};
String get _actionLabel => switch (widget.state) {
AiAccessState.guest => '登录后使用',
AiAccessState.reauthenticate => '重新登录',
AiAccessState.cloudDisabled => '开启云同步',
};
Future<void> _act() async {
if (_busy) return;
if (widget.onAction != null) {
await widget.onAction!();
return;
}
if (widget.state != AiAccessState.cloudDisabled) {
if (mounted) {
context.go(
Uri(path: '/login', queryParameters: {'notice': _title}).toString(),
);
}
return;
}
setState(() => _busy = true);
try {
await SessionStore.instance.setCloudSyncEnabled(true);
await SyncService.instance.run();
} finally {
if (mounted) setState(() => _busy = false);
}
}
@override
Widget build(BuildContext context) {
return Center(
child: SingleChildScrollView(
padding: const EdgeInsets.all(28),
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 420),
child: Card(
child: Padding(
padding: const EdgeInsets.fromLTRB(24, 28, 24, 24),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 62,
height: 62,
decoration: BoxDecoration(
color: context.jz.aiBackground,
borderRadius: BorderRadius.circular(20),
),
child: Center(
child: AppIcons.icon(
AppIcons.sparkle,
size: 29,
color: AppTheme.ai,
),
),
),
SizedBox(height: 18),
Text(
_title,
textAlign: TextAlign.center,
style: TextStyle(fontSize: 18, fontWeight: FontWeight.w800),
),
SizedBox(height: 9),
Text(
_message,
textAlign: TextAlign.center,
style: TextStyle(
color: context.jz.text2,
fontSize: 12.5,
height: 1.6,
),
),
SizedBox(height: 22),
SizedBox(
width: double.infinity,
child: JzActionButton(
label: _actionLabel,
loading: _busy,
onPressed: _busy ? null : _act,
),
),
if (widget.state == AiAccessState.guest) ...[
SizedBox(height: 12),
Text(
'无需登录也可以继续手动记账、管理预算和查看统计',
textAlign: TextAlign.center,
style: TextStyle(fontSize: 10.5, color: context.jz.text3),
),
],
],
),
),
),
),
),
);
}
}