603 lines
19 KiB
Dart
603 lines
19 KiB
Dart
import 'dart:io';
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:file_picker/file_picker.dart';
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import 'package:shadcn_ui/shadcn_ui.dart';
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import '../../core/app_colors.dart';
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import '../../core/app_theme.dart';
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import '../../core/navigation_provider.dart';
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import '../../providers/auth_provider.dart';
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import '../../providers/chat_provider.dart';
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import '../../providers/data_providers.dart';
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import '../../widgets/health_drawer.dart';
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import '../diet/diet_capture_page.dart';
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import 'widgets/chat_messages_view.dart';
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class HomePage extends ConsumerStatefulWidget {
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const HomePage({super.key});
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@override
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ConsumerState<HomePage> createState() => _HomePageState();
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}
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class _HomePageState extends ConsumerState<HomePage> {
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final _textCtrl = TextEditingController();
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final _scrollCtrl = ScrollController();
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final _focusNode = FocusNode();
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String? _pickedImagePath;
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int _lastMsgCount = 0;
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Timer? _notificationTimer;
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => ref.invalidate(notificationUnreadCountProvider),
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);
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_notificationTimer = Timer.periodic(
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const Duration(seconds: 30),
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(_) => ref.invalidate(notificationUnreadCountProvider),
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);
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}
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@override
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void dispose() {
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_notificationTimer?.cancel();
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_textCtrl.dispose();
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_scrollCtrl.dispose();
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_focusNode.dispose();
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super.dispose();
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}
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void _sendMessage() {
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final text = _textCtrl.text.trim();
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final imagePath = _pickedImagePath;
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if (text.isEmpty && imagePath == null) return;
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_textCtrl.clear();
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_focusNode.unfocus();
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setState(() => _pickedImagePath = null);
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if (imagePath != null) {
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ref.read(chatProvider.notifier).sendImage(imagePath, text);
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} else {
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ref.read(chatProvider.notifier).sendMessage(text);
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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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final chatState = ref.watch(chatProvider);
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final auth = ref.watch(authProvider);
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final user = auth.user;
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ref.listen(cameraActionProvider, (prev, next) {
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if (next == 'camera') {
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_pickImage(ImageSource.camera);
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ref.read(cameraActionProvider.notifier).clear();
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} else if (next == 'gallery') {
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_pickImage(ImageSource.gallery);
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ref.read(cameraActionProvider.notifier).clear();
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}
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});
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ref.listen(dietActionProvider, (prev, next) {
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if (next == 'pickFoodCamera') {
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_pickFoodImage(ImageSource.camera);
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ref.read(dietActionProvider.notifier).clear();
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} else if (next == 'pickFoodGallery') {
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_pickFoodImage(ImageSource.gallery);
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ref.read(dietActionProvider.notifier).clear();
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}
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});
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final currentCount = chatState.messages.length;
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if (currentCount > _lastMsgCount) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (_scrollCtrl.hasClients) {
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_scrollCtrl.jumpTo(_scrollCtrl.position.maxScrollExtent);
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}
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});
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}
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_lastMsgCount = currentCount;
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return Scaffold(
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drawer: const HealthDrawer(),
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drawerEdgeDragWidth: MediaQuery.of(context).size.width * 0.35,
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body: AppBackground(
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safeArea: true,
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child: Column(
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children: [
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_buildHeader(user),
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Expanded(
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child: ChatMessagesView(
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scrollCtrl: _scrollCtrl,
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messages: chatState.messages,
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),
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),
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_buildBottomBar(context),
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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 _buildHeader(dynamic user) {
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final name = (user?.name != null && user!.name!.isNotEmpty)
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? user.name
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: '用户';
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final unreadCount = ref.watch(notificationUnreadCountProvider).value ?? 0;
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return Container(
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padding: const EdgeInsets.fromLTRB(14, 10, 14, 10),
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.34),
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border: Border(
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bottom: BorderSide(color: Colors.white.withValues(alpha: 0.62)),
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),
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boxShadow: [
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BoxShadow(
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color: const Color(0xFF101828).withValues(alpha: 0.025),
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blurRadius: 16,
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offset: const Offset(0, 6),
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),
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],
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),
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child: Row(
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children: [
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Builder(
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builder: (ctx) {
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return _HeaderIconButton(
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icon: LucideIcons.menu,
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onTap: () => Scaffold.of(ctx).openDrawer(),
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);
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},
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),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'小脉健康',
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.w600,
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color: AppColors.textHint,
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),
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),
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const SizedBox(height: 2),
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Text(
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'${_getGreeting()}，$name',
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style: const TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.w800,
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color: AppColors.textPrimary,
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),
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),
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],
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),
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),
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_HeaderIconButton(
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icon: LucideIcons.bell,
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badgeCount: unreadCount,
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onTap: () => pushRoute(ref, 'notifications'),
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),
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],
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),
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);
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}
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String _getGreeting() {
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final hour = DateTime.now().hour;
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if (hour < 9) return '早上好';
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if (hour < 12) return '上午好';
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if (hour < 18) return '下午好';
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return '晚上好';
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}
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static final _agentDefs = [
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(ActiveAgent.consultation, 'AI问诊', LucideIcons.messageCircle),
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(ActiveAgent.health, '记数据', LucideIcons.heartPulse),
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(ActiveAgent.diet, '拍饮食', LucideIcons.utensils),
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(ActiveAgent.medication, '药管家', LucideIcons.pill),
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(ActiveAgent.report, '报告分析', LucideIcons.fileText),
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(ActiveAgent.exercise, '运动', LucideIcons.activity),
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];
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Widget _buildAgentBar() {
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return SizedBox(
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height: 42,
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child: ListView.separated(
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scrollDirection: Axis.horizontal,
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padding: const EdgeInsets.symmetric(horizontal: 14),
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itemCount: _agentDefs.length,
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separatorBuilder: (_, _) => const SizedBox(width: 8),
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itemBuilder: (_, i) {
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final (agent, label, icon) = _agentDefs[i];
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final gradient = _agentGradient(agent);
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return GestureDetector(
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onTap: () =>
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ref.read(chatProvider.notifier).triggerAgent(agent, label),
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 13, vertical: 9),
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.86),
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borderRadius: BorderRadius.circular(999),
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border: Border.all(color: Colors.white, width: 1.2),
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boxShadow: [
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BoxShadow(
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color: const Color(0xFF6366F1).withValues(alpha: 0.10),
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blurRadius: 14,
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offset: const Offset(0, 7),
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),
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],
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Container(
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width: 16,
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height: 16,
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decoration: BoxDecoration(
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gradient: gradient,
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borderRadius: BorderRadius.circular(6),
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),
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child: Icon(icon, size: 11, color: Colors.white),
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),
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const SizedBox(width: 6),
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Text(
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label,
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style: const TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w700,
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color: AppColors.textPrimary,
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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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LinearGradient _agentGradient(ActiveAgent agent) {
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return switch (agent) {
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ActiveAgent.consultation => const LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [Color(0xFFFFCAD4), Color(0xFFFF9AAE)],
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),
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ActiveAgent.health => const LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [Color(0xFFA1FFCE), Color(0xFF69DB8F)],
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),
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ActiveAgent.diet => const LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [Color(0xFFF6D365), Color(0xFFFDA085)],
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),
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ActiveAgent.medication => const LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [Color(0xFF89F7FE), Color(0xFF66A6FF)],
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),
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ActiveAgent.report => const LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [Color(0xFFE0C3FC), Color(0xFF8EC5FC)],
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),
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ActiveAgent.exercise => const LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [Color(0xFFB6F2FF), Color(0xFF7DD3FC)],
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),
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_ => AppColors.primaryGradient,
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};
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}
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Widget _buildBottomBar(BuildContext context) {
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return Container(
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.28),
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border: Border(
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top: BorderSide(color: Colors.white.withValues(alpha: 0.62)),
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),
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boxShadow: [
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BoxShadow(
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color: const Color(0xFF101828).withValues(alpha: 0.045),
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blurRadius: 20,
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offset: const Offset(0, -8),
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),
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],
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const SizedBox(height: 6),
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_buildAgentBar(),
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const SizedBox(height: 6),
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if (_pickedImagePath != null) _buildImagePreview(),
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_buildInputBar(),
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],
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),
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);
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}
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Widget _buildImagePreview() {
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return Container(
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margin: const EdgeInsets.fromLTRB(14, 8, 14, 0),
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padding: const EdgeInsets.all(10),
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decoration: BoxDecoration(
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color: Colors.white.withValues(alpha: 0.9),
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: AppColors.borderLight),
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),
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child: Row(
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children: [
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ClipRRect(
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borderRadius: BorderRadius.circular(10),
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child: Image.file(
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File(_pickedImagePath!),
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width: 48,
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height: 48,
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fit: BoxFit.cover,
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),
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),
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const SizedBox(width: 10),
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const Expanded(
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child: Text(
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'点击发送图片',
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style: TextStyle(fontSize: 14, color: AppColors.textSecondary),
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),
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),
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GestureDetector(
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onTap: () => setState(() => _pickedImagePath = null),
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child: const Icon(Icons.close, size: 20, color: AppColors.textHint),
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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 _buildInputBar() {
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return Padding(
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padding: const EdgeInsets.fromLTRB(12, 0, 12, 10),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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_RoundToolButton(
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icon: LucideIcons.plus,
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onTap: () => _showAttachmentPicker(context),
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),
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const SizedBox(width: 8),
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Expanded(
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxHeight: 118),
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child: TextField(
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controller: _textCtrl,
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focusNode: _focusNode,
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style: const TextStyle(
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fontSize: 15,
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color: AppColors.textPrimary,
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),
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maxLines: null,
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textInputAction: TextInputAction.newline,
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decoration: InputDecoration(
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hintText: '输入你想说的...',
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filled: true,
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fillColor: Colors.white,
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 11,
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),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(22),
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borderSide: const BorderSide(color: AppColors.borderLight),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(22),
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borderSide: const BorderSide(color: AppColors.borderLight),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(22),
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borderSide: const BorderSide(
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color: AppColors.auraIndigo,
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width: 1.2,
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),
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),
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),
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onSubmitted: (_) => _sendMessage(),
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),
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),
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),
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const SizedBox(width: 8),
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GestureDetector(
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onTap: _sendMessage,
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child: Container(
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width: 42,
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height: 42,
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margin: EdgeInsets.only(bottom: _pickedImagePath != null ? 0 : 2),
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decoration: BoxDecoration(
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gradient: AppColors.primaryGradient,
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borderRadius: BorderRadius.circular(21),
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boxShadow: AppColors.buttonShadow,
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),
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child: const Icon(
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LucideIcons.send,
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size: 19,
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color: Colors.white,
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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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void _showAttachmentPicker(BuildContext context) {
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showModalBottomSheet(
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context: context,
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backgroundColor: Colors.white,
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
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),
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builder: (ctx) => SafeArea(
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child: Padding(
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padding: const EdgeInsets.symmetric(vertical: 10),
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child: Wrap(
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children: [
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ListTile(
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leading: const Icon(
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Icons.camera_alt_outlined,
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color: AppColors.primary,
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),
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title: const Text('拍照'),
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onTap: () {
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Navigator.pop(ctx);
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_pickImage(ImageSource.camera);
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},
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),
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ListTile(
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leading: const Icon(
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Icons.photo_library_outlined,
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color: AppColors.primary,
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),
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title: const Text('从相册选择'),
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onTap: () {
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Navigator.pop(ctx);
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_pickImage(ImageSource.gallery);
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},
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),
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ListTile(
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leading: const Icon(
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Icons.file_open_outlined,
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color: AppColors.primary,
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),
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title: const Text('传文件'),
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onTap: () async {
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Navigator.pop(ctx);
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final result = await FilePicker.platform.pickFiles();
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if (result != null && result.files.isNotEmpty) {
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_textCtrl.text = '[文件已选择] ${result.files.first.name}';
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if (mounted) setState(() {});
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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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Future<void> _pickImage(ImageSource source) async {
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final picked = await ImagePicker().pickImage(
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source: source,
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imageQuality: 85,
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);
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if (picked != null) {
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final token = await ref.read(apiClientProvider).accessToken;
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if (token == null) return;
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setState(() => _pickedImagePath = picked.path);
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}
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}
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Future<void> _pickFoodImage(ImageSource source) async {
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final picked = await ImagePicker().pickImage(
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source: source,
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imageQuality: 80,
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maxWidth: 1024,
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maxHeight: 1024,
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);
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if (picked != null && mounted) {
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ref.read(dietProvider.notifier).reset();
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ref.read(dietProvider.notifier).setImage(picked.path);
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ref.read(dietProvider.notifier).analyzeImage();
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pushRoute(ref, 'dietCapture');
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}
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}
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}
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class _HeaderIconButton extends StatelessWidget {
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final IconData icon;
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final VoidCallback onTap;
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final int badgeCount;
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const _HeaderIconButton({
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required this.icon,
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required this.onTap,
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this.badgeCount = 0,
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});
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@override
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Widget build(BuildContext context) {
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return GestureDetector(
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onTap: onTap,
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child: Stack(
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clipBehavior: Clip.none,
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children: [
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Container(
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width: 38,
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height: 38,
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decoration: BoxDecoration(
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gradient: AppColors.surfaceGradient,
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: AppColors.borderLight),
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boxShadow: AppColors.cardShadowLight,
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),
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child: Icon(icon, size: 20, color: AppColors.textPrimary),
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),
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if (badgeCount > 0)
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Positioned(
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right: -5,
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top: -5,
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child: Container(
|
||
constraints: const BoxConstraints(minWidth: 18, minHeight: 18),
|
||
padding: const EdgeInsets.symmetric(horizontal: 4),
|
||
decoration: BoxDecoration(
|
||
color: AppColors.error,
|
||
borderRadius: BorderRadius.circular(10),
|
||
border: Border.all(color: Colors.white, width: 2),
|
||
),
|
||
alignment: Alignment.center,
|
||
child: Text(
|
||
badgeCount > 99 ? '99+' : '$badgeCount',
|
||
style: const TextStyle(
|
||
color: Colors.white,
|
||
fontSize: 10,
|
||
fontWeight: FontWeight.w800,
|
||
),
|
||
),
|
||
),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
}
|
||
|
||
class _RoundToolButton extends StatelessWidget {
|
||
final IconData icon;
|
||
final VoidCallback onTap;
|
||
const _RoundToolButton({required this.icon, required this.onTap});
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
return GestureDetector(
|
||
onTap: onTap,
|
||
child: Container(
|
||
width: 42,
|
||
height: 42,
|
||
margin: const EdgeInsets.only(bottom: 2),
|
||
decoration: BoxDecoration(
|
||
gradient: AppColors.surfaceGradient,
|
||
borderRadius: BorderRadius.circular(21),
|
||
border: Border.all(color: AppColors.borderLight),
|
||
boxShadow: AppColors.cardShadowLight,
|
||
),
|
||
child: Icon(icon, size: 21, color: AppColors.primaryDark),
|
||
),
|
||
);
|
||
}
|
||
}
|