import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shadcn_ui/shadcn_ui.dart';
import '../core/app_colors.dart';
import '../core/app_theme.dart';
import '../core/navigation_provider.dart';
import '../providers/auth_provider.dart';
import '../providers/data_providers.dart';
import '../providers/omron_device_provider.dart';
import '../widgets/common_widgets.dart';

/// 饮食记录列表（趋势+日历+胶囊详情+侧滑编辑删除）
class DietRecordListPage extends ConsumerStatefulWidget {
  const DietRecordListPage({super.key});
  @override ConsumerState<DietRecordListPage> createState() => _DietRecordListPageState();
}
class _DietRecordListPageState extends ConsumerState<DietRecordListPage> {
  List<Map<String, dynamic>> _data = [];
  bool _loading = true;
  int _trendDays = 7;
  DateTime _selectedDate = DateTime.now();

  @override void initState() { super.initState(); _refresh(); }
  Future<void> _refresh() async {
    final records = await ref.read(dietServiceProvider).getRecords();
    if (mounted) setState(() { _data = records; _loading = false; });
  }
  Future<void> _delete(String id) async {
    await ref.read(dietServiceProvider).deleteRecord(id);
    if (mounted) setState(() => _data.removeWhere((d) => d['id']?.toString() == id));
  }

  String _dateKey(DateTime d) => '${d.year}-${d.month.toString().padLeft(2, '0')}-${d.day.toString().padLeft(2, '0')}';
  int _dayCalories(DateTime d) {
    final key = _dateKey(d);
    return _data.where((r) => (r['recordedAt']?.toString() ?? '').startsWith(key)).fold(0, (s, r) => s + ((r['totalCalories'] as num?)?.toInt() ?? 0));
  }
  List<Map<String, dynamic>> _dayRecords(DateTime d) {
    final key = _dateKey(d);
    return _data.where((r) => (r['recordedAt']?.toString() ?? '').startsWith(key)).toList();
  }
  List<double> _trendData() => List.generate(_trendDays, (i) => _dayCalories(DateTime.now().subtract(Duration(days: _trendDays - 1 - i))).toDouble());

  @override Widget build(BuildContext context) {
    if (_loading) return Scaffold(backgroundColor: const Color(0xFFF5F5F5), appBar: AppBar(backgroundColor: Colors.white, elevation: 0, title: const Text('饮食记录', style: TextStyle(color: AppColors.textPrimary)), leading: IconButton(icon: const Icon(Icons.arrow_back, color: AppColors.textPrimary), onPressed: () => popRoute(ref))), body: const Center(child: CircularProgressIndicator()));

    final todayRecords = _dayRecords(_selectedDate);
    final totalCal = todayRecords.fold(0, (s, r) => s + ((r['totalCalories'] as num?)?.toInt() ?? 0));

    return Scaffold(
      backgroundColor: const Color(0xFFF5F5F5),
      appBar: AppBar(backgroundColor: Colors.white, elevation: 0, title: const Text('饮食记录', style: TextStyle(color: AppColors.textPrimary)), leading: IconButton(icon: const Icon(Icons.arrow_back, color: AppColors.textPrimary), onPressed: () => popRoute(ref))),
      body: ListView(padding: const EdgeInsets.all(16), children: [
        // 热量趋势
        Container(padding: const EdgeInsets.all(14), decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(14)), child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
          Row(children: [const Text('热量趋势', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600)), const Spacer(),
            _Toggle('7天', _trendDays == 7, () => setState(() => _trendDays = 7)),
            const SizedBox(width: 6), _Toggle('30天', _trendDays == 30, () => setState(() => _trendDays = 30)),
          ]),
          const SizedBox(height: 10), SizedBox(height: 120, child: _TrendChart(_trendData())),
        ])),
        const SizedBox(height: 12),
        // 饮食日历
        Container(padding: const EdgeInsets.all(12), decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(14)), child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
          const Text('饮食日历', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600)),
          const SizedBox(height: 8),
          SingleChildScrollView(scrollDirection: Axis.horizontal, child: Row(children: List.generate(7, (i) {
            final d = DateTime.now().subtract(Duration(days: 6 - i));
            final cal = _dayCalories(d);
            final isToday = _dateKey(d) == _dateKey(DateTime.now());
            final isSel = _dateKey(d) == _dateKey(_selectedDate);
            return GestureDetector(onTap: () => setState(() => _selectedDate = d), child: Container(width: 42, margin: const EdgeInsets.symmetric(horizontal: 3), padding: const EdgeInsets.symmetric(vertical: 8), decoration: BoxDecoration(color: isSel ? AppColors.primary : (isToday ? AppColors.primary.withOpacity(0.1) : Colors.white), borderRadius: BorderRadius.circular(12), border: Border.all(color: isSel ? AppColors.primary : (isToday ? AppColors.primary : const Color(0xFFE5E7EB)))), child: Column(children: [
              Text(['一','二','三','四','五','六','日'][d.weekday-1], style: TextStyle(fontSize: 10, color: isSel ? Colors.white : (isToday ? AppColors.primary : AppColors.textHint))),
              Text('${d.day}', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w700, color: isSel ? Colors.white : (isToday ? AppColors.primary : AppColors.textPrimary))),
              if (cal > 0) Text('$cal', style: TextStyle(fontSize: 9, color: isSel ? Colors.white70 : AppColors.textHint)),
            ])));
          }))),
        ])),
        const SizedBox(height: 12),
        // 当日详情
        Row(children: [
          Text('${_selectedDate.month}月${_selectedDate.day}日', style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w700)),
          const SizedBox(width: 8), Text('共 $totalCal 千卡', style: const TextStyle(fontSize: 14, color: AppColors.textHint)),
          const Spacer(), Text('${todayRecords.length}条', style: const TextStyle(fontSize: 13, color: AppColors.textHint)),
        ]),
        const SizedBox(height: 8),
        if (todayRecords.isEmpty) const Padding(padding: EdgeInsets.all(20), child: Center(child: Text('当天暂无记录', style: TextStyle(color: AppColors.textHint)))),
        ...todayRecords.map((d) {
          final items = (d['foodItems'] as List?)?.cast<Map<String, dynamic>>() ?? [];
          final mealNames = {'Breakfast': '早餐', 'Lunch': '午餐', 'Dinner': '晚餐', 'Snack': '加餐'};
          final mealIcons = {'Breakfast': Icons.wb_sunny, 'Lunch': Icons.wb_sunny_outlined, 'Dinner': Icons.nights_stay, 'Snack': Icons.cookie};
          final mealLabel = mealNames[d['mealType']?.toString()] ?? '';
          final mealIcon = mealIcons[d['mealType']?.toString()] ?? Icons.restaurant;
          final cal = d['totalCalories'] ?? 0;
          final id = d['id']?.toString() ?? '';
          return Padding(padding: const EdgeInsets.only(bottom: 8), child: ClipRRect(borderRadius: BorderRadius.circular(14), child: _SwipeAction(
            onEdit: () => _showEditDialog(id, cal),
            onDelete: () => _delete(id),
            child: Container(padding: const EdgeInsets.all(14), decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(14)), child: Row(children: [
              Container(width: 40, height: 40, decoration: BoxDecoration(color: AppColors.iconBg, borderRadius: BorderRadius.circular(12)), child: Icon(mealIcon, size: 20, color: AppColors.primary)),
              const SizedBox(width: 12),
              Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
                Row(children: [Text(mealLabel, style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: AppColors.textPrimary)), const SizedBox(width: 8), Text('$cal 千卡', style: const TextStyle(fontSize: 13, color: AppColors.textSecondary))]),
                if (items.isNotEmpty) Padding(padding: const EdgeInsets.only(top: 3), child: Text(items.map((f) => f['name']).join(' · '), style: const TextStyle(fontSize: 13, color: AppColors.textHint), maxLines: 1, overflow: TextOverflow.ellipsis)),
              ])),
            ])),
          )));
        }),
      ]),
    );
  }

  void _showEditDialog(String id, num cal) {
    final ctrl = TextEditingController(text: '$cal');
    showDialog(context: context, builder: (ctx) => AlertDialog(
      title: const Text('修改热量'),
      content: TextField(controller: ctrl, keyboardType: TextInputType.number, decoration: const InputDecoration(labelText: '热量(千卡)')),
      actions: [
        TextButton(onPressed: () => Navigator.pop(ctx), child: const Text('取消')),
        TextButton(onPressed: () async {
          Navigator.pop(ctx);
          await ref.read(dietServiceProvider).updateRecord(id, {'totalCalories': int.tryParse(ctrl.text) ?? 0});
          _refresh();
        }, child: const Text('保存')),
      ],
    ));
  }
}

class _Toggle extends StatelessWidget {
  final String l; final bool a; final VoidCallback t;
  const _Toggle(this.l, this.a, this.t);
  @override Widget build(BuildContext c) => GestureDetector(onTap: t, child: Container(padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4), decoration: BoxDecoration(color: a ? AppColors.primary : Colors.white, borderRadius: BorderRadius.circular(12), border: Border.all(color: a ? AppColors.primary : const Color(0xFFE5E7EB))), child: Text(l, style: TextStyle(fontSize: 12, color: a ? Colors.white : AppColors.textSecondary))));
}

class _TrendChart extends StatelessWidget {
  final List<double> data;
  const _TrendChart(this.data);
  @override Widget build(BuildContext c) {
    if (data.isEmpty) return const Center(child: Text('暂无数据', style: TextStyle(color: AppColors.textHint)));
    final m = data.reduce((a, b) => a > b ? a : b);
    if (m == 0) return const Center(child: Text('暂无数据', style: TextStyle(color: AppColors.textHint)));
    return Row(crossAxisAlignment: CrossAxisAlignment.end, children: List.generate(data.length, (i) {
      final h = (data[i] / m * 100).clamp(4.0, 100.0);
      return Expanded(child: Padding(padding: EdgeInsets.symmetric(horizontal: data.length > 15 ? 1.0 : 2.0), child: Column(mainAxisAlignment: MainAxisAlignment.end, children: [
        if (data.length <= 14) Text('${data[i].toInt()}', style: const TextStyle(fontSize: 8, color: AppColors.textHint)),
        const SizedBox(height: 2), Container(height: h, decoration: BoxDecoration(color: data[i] > 0 ? AppColors.primary : const Color(0xFFE5E7EB), borderRadius: BorderRadius.circular(2))),
      ])));
    }));
  }
}

class _SwipeAction extends StatelessWidget {
  final Widget child; final VoidCallback onEdit; final VoidCallback onDelete;
  const _SwipeAction({required this.child, required this.onEdit, required this.onDelete});
  @override Widget build(BuildContext c) => Dismissible(
    key: UniqueKey(), direction: DismissDirection.endToStart,
    confirmDismiss: (_) async { return false; },
    background: Container(decoration: BoxDecoration(borderRadius: BorderRadius.circular(14), color: const Color(0xFF3B82F6)), alignment: Alignment.centerLeft, padding: const EdgeInsets.only(left: 20), child: const Icon(Icons.edit, color: Colors.white)),
    secondaryBackground: Container(decoration: BoxDecoration(borderRadius: BorderRadius.circular(14), color: AppColors.error), alignment: Alignment.centerRight, padding: const EdgeInsets.only(right: 20), child: const Icon(Icons.delete, color: Colors.white)),
    onDismissed: (_) => onDelete(),
    onUpdate: (details) {
      if (details.reached && details.direction == DismissDirection.startToEnd) { onEdit(); }
    },
    child: child,
  );
}

/// 饮食记录详情页（保留原功能）"""
class DietRecordDetailPage extends ConsumerWidget {
  final String id;
  const DietRecordDetailPage({super.key, required this.id});
  @override Widget build(BuildContext context, WidgetRef ref) {
    final service = ref.watch(dietServiceProvider);
    return GradientScaffold(
      appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('饮食详情')),
      body: FutureBuilder<List<Map<String, dynamic>>>(
        future: service.getRecords(),
        builder: (ctx, snap) {
          if (!snap.hasData) return const Center(child: CircularProgressIndicator(color: AppTheme.primary));
          final d = snap.data!.firstWhere((r) => r['id']?.toString() == id, orElse: () => <String, dynamic>{});
          if (d.isEmpty) return const Center(child: Text('记录不存在'));
          final items = (d['foodItems'] as List?)?.cast<Map<String, dynamic>>() ?? [];
          final totalCal = d['totalCalories'] ?? 0;
          final mealNames = {'Breakfast':'早餐','Lunch':'午餐','Dinner':'晚餐','Snack':'加餐'};
          return ListView(padding: const EdgeInsets.all(16), children: [
            Container(padding: const EdgeInsets.all(16), decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(AppTheme.rMd)), child: Row(children: [
              Container(width: 48, height: 48, decoration: BoxDecoration(color: AppColors.iconBg, borderRadius: BorderRadius.circular(AppTheme.rMd)), child: const Icon(Icons.restaurant, size: 28, color: AppTheme.primary)),
              const SizedBox(width: 14),
              Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
                Text(mealNames[d['mealType']?.toString()] ?? '', style: const TextStyle(fontSize: 21, fontWeight: FontWeight.w700)),
                Text('$totalCal 千卡 · ${d['recordedAt'] ?? ''}', style: const TextStyle(fontSize: 16, color: AppColors.textHint)),
              ]),
            ])),
            const SizedBox(height: 16),
            ...items.map((f) => Container(margin: const EdgeInsets.only(bottom: 8), padding: const EdgeInsets.all(14), decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(AppTheme.rMd)), child: Row(children: [
              Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
                Text(f['name']?.toString() ?? '', style: const TextStyle(fontSize: 19, fontWeight: FontWeight.w600)),
                if ((f['portion']?.toString() ?? '').isNotEmpty) Text(f['portion']!.toString(), style: const TextStyle(fontSize: 16, color: AppColors.textSecondary)),
              ])),
              Text('${f['calories'] ?? 0} kcal', style: const TextStyle(fontSize: 18, color: AppTheme.primary, fontWeight: FontWeight.w600)),
            ]))),
          ]);
        },
      ),
    );
  }
}

/// 运动计划列表（含打卡）
class ExercisePlanPage extends ConsumerStatefulWidget {
  const ExercisePlanPage({super.key});
  @override ConsumerState<ExercisePlanPage> createState() => _ExercisePlanPageState();
}
class _ExercisePlanPageState extends ConsumerState<ExercisePlanPage> {
  Future<List<Map<String, dynamic>>>? _future;
  @override void initState() { super.initState(); _load(); }
  void _load() => setState(() { _future = ref.read(exerciseServiceProvider).getPlans(); });

  Future<void> _checkIn(String id, String itemId) async {
    await ref.read(exerciseServiceProvider).checkIn(itemId);
    ref.invalidate(currentExercisePlanProvider);
    _load();
  }

  Future<void> _deletePlan(String id) async {
    await ref.read(exerciseServiceProvider).deletePlan(id);
    ref.invalidate(currentExercisePlanProvider);
    _load();
  }

  @override Widget build(BuildContext context) {
    return GradientScaffold(
      appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('运动计划')),
      floatingActionButton: FloatingActionButton(onPressed: () { pushRoute(ref, 'exerciseCreate'); }, backgroundColor: AppTheme.primary, child: const Icon(Icons.add)),
      body: Container(
        decoration: const BoxDecoration(gradient: AppColors.bgGradient),
        child: FutureBuilder<List<Map<String, dynamic>>>(
        future: _future,
        builder: (ctx, snap) {
          final plans = snap.data ?? [];
          if (plans.isEmpty) return _empty(context, '运动计划', '暂无计划，点击右下角新建');
          return ListView.builder(padding: const EdgeInsets.all(12), itemCount: plans.length, itemBuilder: (ctx, i) {
            final p = plans[i];
            final items = (p['items'] as List?)?.cast<Map<String, dynamic>>() ?? [];
            if (items.isEmpty) return const SizedBox.shrink();
            final total = items.length;
            final done = items.where((it) => it['isCompleted'] == true).length;
            final weekStart = p['weekStartDate']?.toString() ?? '';
            // 用 DayOfWeek 匹配今天（C#: 0=Sun, 6=Sat; Dart weekday%7 对齐）
            final todayCsDow = DateTime.now().weekday % 7;
            final todayItem = items.cast<Map<String, dynamic>>().firstWhere(
              (it) => it['dayOfWeek'] == todayCsDow,
              orElse: () => <String, dynamic>{},
            );
            final hasTodayItem = todayItem.isNotEmpty;
            final todayDone = todayItem['isCompleted'] == true;
            final exerciseName = items.isNotEmpty ? (items.first['exerciseType']?.toString() ?? '运动') : '运动';

            return SwipeDeleteTile(
              key: Key(p['id']?.toString() ?? '$i'),
              onDelete: () => _deletePlan(p['id']?.toString() ?? ''),
              onTap: () {},
              child: Container(
                padding: const EdgeInsets.all(16),
                decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(AppTheme.rMd)),
                child: Row(children: [
                  Container(width: 44, height: 44, decoration: BoxDecoration(color: AppColors.iconBg, borderRadius: BorderRadius.circular(AppTheme.rMd)), child: const Icon(Icons.directions_run, size: 25, color: AppTheme.primary)),
                  const SizedBox(width: 12),
                  Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
                    Text(exerciseName, style: const TextStyle(fontSize: 19, fontWeight: FontWeight.w600)),
                    const SizedBox(height: 2),
                    Text('$weekStart 起 · ${items.first['durationMinutes'] ?? 0}分钟/天', style: const TextStyle(fontSize: 16, color: AppColors.textSecondary)),
                    const SizedBox(height: 6),
                    Text('$done/$total 天已完成', style: const TextStyle(fontSize: 15, color: AppTheme.primary)),
                  ])),
                  GestureDetector(
                    onTap: hasTodayItem ? () => _checkIn(p['id']?.toString() ?? '', todayItem['id']?.toString() ?? '') : null,
                    child: Container(
                      width: 40, height: 40,
                      decoration: BoxDecoration(
                        color: todayDone ? AppColors.successLight : AppColors.cardInner,
                        borderRadius: BorderRadius.circular(12),
                      ),
                      child: Icon(todayDone ? Icons.check_circle : Icons.check_circle_outline, size: 28, color: todayDone ? AppTheme.success : AppColors.textHint),
                    ),
                  ),
                ]),
              ),
            );
          });
        },
      ),
      ),
    );
  }
}

/// 新建运动计划
class ExercisePlanCreatePage extends ConsumerStatefulWidget {
  const ExercisePlanCreatePage({super.key});
  @override ConsumerState<ExercisePlanCreatePage> createState() => _ExercisePlanCreatePageState();
}
class _ExercisePlanCreatePageState extends ConsumerState<ExercisePlanCreatePage> {
  final _nameCtrl = TextEditingController();
  final _durationCtrl = TextEditingController(text: '30');
  DateTime _start = DateTime.now();
  DateTime _end = DateTime.now().add(const Duration(days: 6));
  @override void dispose() { _nameCtrl.dispose(); _durationCtrl.dispose(); super.dispose(); }

  Future<void> _save() async {
    final name = _nameCtrl.text.trim();
    if (name.isEmpty) { ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('请输入运动名称'))); return; }
    final dur = int.tryParse(_durationCtrl.text) ?? 30;
    await ref.read(exerciseServiceProvider).createPlanSimple({
      'exerciseType': name,
      'durationMinutes': dur,
      'startDate': '${_start.year}-${_start.month.toString().padLeft(2,'0')}-${_start.day.toString().padLeft(2,'0')}',
      'endDate': '${_end.year}-${_end.month.toString().padLeft(2,'0')}-${_end.day.toString().padLeft(2,'0')}',
    });
    ref.invalidate(currentExercisePlanProvider);
    if (mounted) { popRoute(ref); }
  }

  @override Widget build(BuildContext context) {
    return GradientScaffold(
      appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('新建计划')),
      body: ListView(padding: const EdgeInsets.all(16), children: [
        _field('运动名称', _nameCtrl, hint: '如: 散步、慢跑、太极'),
        const SizedBox(height: 16),
        _field('每天时长(分钟)', _durationCtrl, hint: '30', number: true),
        const SizedBox(height: 16),
        _dateField('开始日期', _start, (d) => setState(() => _start = d)),
        const SizedBox(height: 16),
        _dateField('结束日期', _end, (d) => setState(() => _end = d)),
        const SizedBox(height: 32),
        SizedBox(width: double.infinity, child: ElevatedButton(onPressed: _save, style: ElevatedButton.styleFrom(backgroundColor: AppTheme.primary, foregroundColor: Colors.white, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(AppTheme.rMd)), padding: const EdgeInsets.symmetric(vertical: 14)), child: const Text('保存计划', style: TextStyle(fontSize: 19)))),
      ]),
    );
  }

  Widget _field(String label, TextEditingController ctrl, {String? hint, bool number = false}) {
    return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
      Text(label, style: TextStyle(fontSize: 17, color: AppColors.textSecondary)),
      const SizedBox(height: 6),
      TextField(controller: ctrl, keyboardType: number ? TextInputType.number : null, decoration: InputDecoration(hintText: hint, filled: true, fillColor: Colors.white, border: OutlineInputBorder(borderRadius: BorderRadius.circular(10), borderSide: BorderSide(color: AppColors.border)), focusedBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(10), borderSide: const BorderSide(color: AppColors.primary, width: 1.5))), style: const TextStyle(fontSize: 17)),
    ]);
  }

  Widget _dateField(String label, DateTime val, ValueChanged<DateTime> onChanged) {
    return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
      Text(label, style: const TextStyle(fontSize: 17, color: AppColors.textSecondary)),
      const SizedBox(height: 6),
      GestureDetector(
        onTap: () async { final d = await showDatePicker(context: context, initialDate: val, firstDate: DateTime(2024), lastDate: DateTime(2030)); if (d != null) onChanged(d); },
        child: Container(width: double.infinity, padding: const EdgeInsets.all(14), decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(12)),
          child: Text('${val.year}-${val.month.toString().padLeft(2,'0')}-${val.day.toString().padLeft(2,'0')}', style: const TextStyle(fontSize: 19))),
      ),
    ]);
  }
}

/// 复查列表（从服务器读取）
class FollowUpListPage extends ConsumerStatefulWidget {
  const FollowUpListPage({super.key});
  @override ConsumerState<FollowUpListPage> createState() => _FollowUpListPageState();
}

class _FollowUpListPageState extends ConsumerState<FollowUpListPage> {
  Future<List<Map<String, dynamic>>>? _future;

  @override void initState() { super.initState(); _load(); }
  void _load() => setState(() { _future = ref.read(followUpServiceProvider).getList(); });

  @override
  Widget build(BuildContext context) {
    return GradientScaffold(
      appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('复查随访'), centerTitle: true),
      body: FutureBuilder<List<Map<String, dynamic>>>(
        future: _future,
        builder: (ctx, snap) {
          if (snap.connectionState == ConnectionState.waiting) {
            return const Center(child: CircularProgressIndicator(color: AppTheme.primaryLight));
          }
          final list = snap.data ?? [];
          if (list.isEmpty) {
            return Center(
              child: Column(mainAxisSize: MainAxisSize.min, children: [
                Icon(Icons.event_note_outlined, size: 64, color: AppColors.textHint),
                const SizedBox(height: 12),
                Text('暂无随访安排', style: Theme.of(context).textTheme.bodyMedium),
                const SizedBox(height: 4),
                const Text('医生创建随访后将显示在这里', style: TextStyle(fontSize: 16, color: AppColors.textHint)),
              ]),
            );
          }
          return ListView(
            padding: const EdgeInsets.symmetric(vertical: 8),
            children: list.map((item) => _FollowUpItem(item: item)).toList(),
          );
        },
      ),
    );
  }
}

class _FollowUpItem extends StatelessWidget {
  final Map<String, dynamic> item;
  const _FollowUpItem({required this.item});

  String _statusLabel(String? status) {
    switch (status) {
      case 'Upcoming': return '即将到来';
      case 'Completed': return '已完成';
      case 'Cancelled': return '已取消';
      default: return status ?? '';
    }
  }

  Color _statusColor(String? status) {
    switch (status) {
      case 'Upcoming': return AppColors.primary;
      case 'Completed': return AppTheme.success;
      case 'Cancelled': return AppTheme.error;
      default: return AppColors.textHint;
    }
  }

  Color _statusBg(String? status) {
    switch (status) {
      case 'Upcoming': return AppColors.iconBg;
      case 'Completed': return AppColors.successLight;
      case 'Cancelled': return AppColors.errorLight;
      default: return AppColors.backgroundSoft;
    }
  }

  @override
  Widget build(BuildContext context) {
    final status = item['status']?.toString();
    final label = _statusLabel(status);
    final color = _statusColor(status);
    final bg = _statusBg(status);

    return Container(
      margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
      padding: const EdgeInsets.all(16),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(AppTheme.rMd),
        boxShadow: [AppTheme.shadowCard],
      ),
      child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
        Row(children: [
          Container(
            padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
            decoration: BoxDecoration(color: bg, borderRadius: BorderRadius.circular(AppTheme.rSm)),
            child: Text(label, style: TextStyle(fontSize: 15, color: color, fontWeight: FontWeight.w500)),
          ),
          const Spacer(),
          if (item['doctorName'] != null)
            Text('👨‍⚕️ ${item['doctorName']}', style: const TextStyle(fontSize: 15, color: AppColors.textHint)),
        ]),
        const SizedBox(height: 12),
        Text(item['title']?.toString() ?? '', style: const TextStyle(fontSize: 19, fontWeight: FontWeight.w600)),
        const SizedBox(height: 4),
        if (item['scheduledAt'] != null)
          Text(_formatDateTime(item['scheduledAt']?.toString()), style: const TextStyle(fontSize: 17, color: AppColors.textHint)),
        if ((item['notes']?.toString() ?? '').isNotEmpty) ...[
          const SizedBox(height: 8),
          Text(item['notes']?.toString() ?? '', style: const TextStyle(fontSize: 16, color: AppColors.textSecondary)),
        ],
      ]),
    );
  }

  String _formatDateTime(String? iso) {
    if (iso == null) return '';
    final dt = DateTime.tryParse(iso);
    if (dt == null) return iso;
    return '${dt.year}-${dt.month.toString().padLeft(2, '0')}-${dt.day.toString().padLeft(2, '0')} ${dt.hour.toString().padLeft(2, '0')}:${dt.minute.toString().padLeft(2, '0')}';
  }
}

/// 健康档案（可编辑）
class HealthArchivePage extends ConsumerStatefulWidget {
  const HealthArchivePage({super.key});
  @override ConsumerState<HealthArchivePage> createState() => _HealthArchivePageState();
}

class _HealthArchivePageState extends ConsumerState<HealthArchivePage> {
  final _nameCtrl = TextEditingController();
  final _genderCtrl = TextEditingController();
  String _birthDate = '';
  final _diagnosisCtrl = TextEditingController();
  final List<Map<String, String>> _surgeries = [];
  final _allergiesCtrl = TextEditingController();
  final _chronicCtrl = TextEditingController();
  final _dietCtrl = TextEditingController();
  final _familyCtrl = TextEditingController();
  bool _loading = true;
  bool _saving = false;

  @override void initState() { super.initState(); _load(); }
  @override void dispose() {
    _nameCtrl.dispose(); _genderCtrl.dispose();
    _diagnosisCtrl.dispose(); _allergiesCtrl.dispose();
    _chronicCtrl.dispose(); _dietCtrl.dispose(); _familyCtrl.dispose();
    super.dispose();
  }

  Future<void> _load() async {
    final srv = ref.read(userServiceProvider);
    try {
      final p = await srv.getProfile();
      if (p != null && mounted) {
        _nameCtrl.text = p['name'] ?? '';
        _genderCtrl.text = p['gender'] ?? '';
        _birthDate = p['birthDate'] ?? '';
      }
      final a = await srv.getHealthArchive();
      if (a != null && mounted) {
        _diagnosisCtrl.text = a['diagnosis'] ?? '';
        final st = a['surgeryType'] as String?;
        final sd = a['surgeryDate'] as String?;
        if (st != null && st.isNotEmpty) _surgeries.add({'type': st, 'date': sd ?? ''});
        _allergiesCtrl.text = (a['allergies'] as List?)?.join('、') ?? '';
        _chronicCtrl.text = (a['chronicDiseases'] as List?)?.join('、') ?? '';
        _dietCtrl.text = (a['dietRestrictions'] as List?)?.join('、') ?? '';
        _familyCtrl.text = a['familyHistory'] ?? '';
      }
      if (mounted) setState(() => _loading = false);
    } catch (_) { if (mounted) setState(() => _loading = false); }
  }

  Future<void> _pickDate(void Function(String) onPicked) async {
    final now = DateTime.now();
    final d = await showDatePicker(
      context: context,
      initialDate: DateTime(now.year - 30),
      firstDate: DateTime(1900),
      lastDate: now,
      locale: const Locale('zh'),
    );
    if (d != null) {
      onPicked('${d.year}-${d.month.toString().padLeft(2, '0')}-${d.day.toString().padLeft(2, '0')}');
    }
  }

  void _addSurgery() => setState(() => _surgeries.add({'type': '', 'date': ''}));
  void _removeSurgery(int i) => setState(() => _surgeries.removeAt(i));

  Future<void> _save() async {
    setState(() => _saving = true);
    try {
      final srv = ref.read(userServiceProvider);
      await srv.updateProfile(name: _nameCtrl.text, gender: _genderCtrl.text, birthDate: _birthDate);
      final surgeryType = _surgeries.map((s) => s['type'] ?? '').where((s) => s.isNotEmpty).join('、');
      final surgeryDate = _surgeries.map((s) => s['date'] ?? '').where((s) => s.isNotEmpty).join('、');
      await srv.updateHealthArchive({
        'diagnosis': _diagnosisCtrl.text,
        'surgeryType': surgeryType,
        'surgeryDate': surgeryDate,
        'allergies': _allergiesCtrl.text.split('、').where((s) => s.isNotEmpty).toList(),
        'chronicDiseases': _chronicCtrl.text.split('、').where((s) => s.isNotEmpty).toList(),
        'dietRestrictions': _dietCtrl.text.split('、').where((s) => s.isNotEmpty).toList(),
        'familyHistory': _familyCtrl.text,
      });
      if (mounted) { ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('保存成功'), backgroundColor: AppColors.success)); }
    } catch (_) {
      if (mounted) { ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('保存失败，请重试'), backgroundColor: AppColors.error)); }
    } finally { if (mounted) setState(() => _saving = false); }
  }

  @override Widget build(BuildContext context) {
    if (_loading) {
      return Scaffold(backgroundColor: const Color(0xFFF5F5F5), appBar: AppBar(backgroundColor: Colors.white, elevation: 0, title: const Text('健康档案', style: TextStyle(color: AppColors.textPrimary)), leading: IconButton(icon: const Icon(Icons.arrow_back, color: AppColors.textPrimary), onPressed: () => popRoute(ref))), body: const Center(child: CircularProgressIndicator()));
    }
    return Scaffold(
      backgroundColor: const Color(0xFFF5F5F5),
      appBar: AppBar(backgroundColor: Colors.white, elevation: 0, title: const Text('健康档案', style: TextStyle(color: AppColors.textPrimary)), leading: IconButton(icon: const Icon(Icons.arrow_back, color: AppColors.textPrimary), onPressed: () => popRoute(ref))),
      body: ListView(padding: const EdgeInsets.all(16), children: [
        _Section('个人资料', Icons.person_outline, [
          _F('姓名', _nameCtrl, hint: '请输入姓名'),
          const SizedBox(height: 12),
          _F('性别', _genderCtrl, hint: '男/女'),
          const SizedBox(height: 12),
          _DateF('出生日期', _birthDate, () => _pickDate((v) => setState(() => _birthDate = v))),
        ]),
        const SizedBox(height: 12),
        _Section('医疗信息', Icons.local_hospital_outlined, [
          _F('主要诊断', _diagnosisCtrl, hint: '如: 冠心病'),
          const SizedBox(height: 14),
          Row(children: [const Text('手术史', style: TextStyle(fontSize: 14, color: AppColors.textSecondary)), const Spacer(), _AddBtn(() => _addSurgery())]),
          ..._surgeries.asMap().entries.map((e) {
            final i = e.key; final s = e.value;
            return Padding(padding: const EdgeInsets.only(top: 8), child: Row(children: [
              Expanded(child: _F2('手术', s['type'] ?? '', (v) => s['type'] = v, hint: '如: 心脏搭桥')),
              const SizedBox(width: 8),
              Expanded(child: _DateF2('日期', s['date'] ?? '', () => _pickDate((v) => s['date'] = v), hint: '点击选择')),
              GestureDetector(onTap: () => _removeSurgery(i), child: Container(width: 32, height: 32, decoration: BoxDecoration(color: AppColors.errorLight, borderRadius: BorderRadius.circular(8)), child: const Icon(Icons.close, size: 16, color: AppColors.error))),
            ]));
          }),
        ]),
        const SizedBox(height: 12),
        _Section('病史与限制', Icons.warning_amber_outlined, [
          _F('过敏史', _allergiesCtrl, hint: '多个用、分隔，如: 青霉素、海鲜'),
          const SizedBox(height: 12),
          _F('慢性病史', _chronicCtrl, hint: '多个用、分隔，如: 高血压、高血脂'),
          const SizedBox(height: 12),
          _F('饮食限制', _dietCtrl, hint: '多个用、分隔，如: 低盐、低脂'),
          const SizedBox(height: 12),
          _F('家族病史', _familyCtrl, hint: '如: 父亲冠心病'),
        ]),
        const SizedBox(height: 24),
        Container(
          decoration: BoxDecoration(borderRadius: BorderRadius.circular(14), gradient: AppColors.primaryGradient),
          padding: const EdgeInsets.all(1.5),
          child: SizedBox(width: double.infinity, height: 52, child: ElevatedButton(
            onPressed: _saving ? null : _save,
            style: ElevatedButton.styleFrom(backgroundColor: Colors.white, foregroundColor: AppColors.primary, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(13)), elevation: 0),
            child: Text(_saving ? '保存中...' : '保存档案', style: const TextStyle(fontSize: 17, fontWeight: FontWeight.w600)),
          )),
        ),
        const SizedBox(height: 40),
      ]),
    );
  }
}

class _Section extends StatelessWidget {
  final String title; final IconData icon; final List<Widget> fields;
  const _Section(this.title, this.icon, this.fields);
  @override Widget build(BuildContext c) => Container(padding: const EdgeInsets.all(18), decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(14), border: Border.all(color: const Color(0xFFE5E7EB))), child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
    Row(children: [
      Container(width: 36, height: 36, decoration: BoxDecoration(color: AppColors.iconBg, borderRadius: BorderRadius.circular(10)), child: Icon(icon, size: 20, color: AppColors.primary)),
      const SizedBox(width: 10), Text(title, style: const TextStyle(fontSize: 18, fontWeight: FontWeight.w700, color: AppColors.textPrimary)),
    ]),
    const SizedBox(height: 16), ...fields,
  ]));
}

class _F extends StatelessWidget {
  final String label; final TextEditingController ctrl; final String? hint;
  const _F(this.label, this.ctrl, {this.hint});
  @override Widget build(BuildContext c) => Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
    Text(label, style: const TextStyle(fontSize: 14, color: AppColors.textSecondary)),
    const SizedBox(height: 6),
    TextField(controller: ctrl, style: const TextStyle(fontSize: 16), decoration: InputDecoration(hintText: hint, hintStyle: const TextStyle(fontSize: 14, color: AppColors.textHint), filled: true, fillColor: const Color(0xFFF5F5F5), contentPadding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12), border: OutlineInputBorder(borderRadius: BorderRadius.circular(10), borderSide: BorderSide.none), enabledBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(10), borderSide: BorderSide.none), focusedBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(10), borderSide: const BorderSide(color: AppColors.primary)))),
  ]);
}

class _F2 extends StatelessWidget {
  final String label; final String value; final void Function(String) chg; final String? hint;
  const _F2(this.label, this.value, this.chg, {this.hint});
  @override Widget build(BuildContext c) => Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
    Text(label, style: const TextStyle(fontSize: 12, color: AppColors.textSecondary)),
    const SizedBox(height: 4),
    TextField(
      controller: TextEditingController(text: value),
      onChanged: chg,
      style: const TextStyle(fontSize: 14),
      decoration: InputDecoration(hintText: hint, hintStyle: const TextStyle(fontSize: 13, color: AppColors.textHint), filled: true, fillColor: const Color(0xFFF5F5F5), contentPadding: const EdgeInsets.symmetric(horizontal: 10, vertical: 8), border: OutlineInputBorder(borderRadius: BorderRadius.circular(8), borderSide: BorderSide.none), enabledBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(8), borderSide: BorderSide.none), focusedBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(8), borderSide: const BorderSide(color: AppColors.primary))),
    ),
  ]);
}

class _DateF extends StatelessWidget {
  final String label; final String value; final VoidCallback onTap;
  const _DateF(this.label, this.value, this.onTap);
  @override Widget build(BuildContext c) => Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
    Text(label, style: const TextStyle(fontSize: 14, color: AppColors.textSecondary)),
    const SizedBox(height: 6),
    GestureDetector(onTap: onTap, child: Container(height: 48, padding: const EdgeInsets.symmetric(horizontal: 14), decoration: BoxDecoration(color: const Color(0xFFF5F5F5), borderRadius: BorderRadius.circular(10)), alignment: Alignment.centerLeft, child: Row(children: [
      Text(value.isEmpty ? '点击选择日期' : value, style: TextStyle(fontSize: 16, color: value.isEmpty ? AppColors.textHint : AppColors.textPrimary)),
      const Spacer(), const Icon(Icons.calendar_today, size: 18, color: AppColors.textHint),
    ]))),
  ]);
}

class _DateF2 extends StatelessWidget {
  final String label; final String value; final VoidCallback onTap; final String? hint;
  const _DateF2(this.label, this.value, this.onTap, {this.hint});
  @override Widget build(BuildContext c) => Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
    Text(label, style: const TextStyle(fontSize: 12, color: AppColors.textSecondary)),
    const SizedBox(height: 4),
    GestureDetector(onTap: onTap, child: Container(height: 44, padding: const EdgeInsets.symmetric(horizontal: 10), decoration: BoxDecoration(color: const Color(0xFFF5F5F5), borderRadius: BorderRadius.circular(8)), alignment: Alignment.centerLeft, child: Row(children: [
      Text(value.isEmpty ? (hint ?? '点击选择') : value, style: TextStyle(fontSize: 13, color: value.isEmpty ? AppColors.textHint : AppColors.textPrimary)),
      const Spacer(), const Icon(Icons.calendar_today, size: 14, color: AppColors.textHint),
    ]))),
  ]);
}

class _AddBtn extends StatelessWidget {
  final VoidCallback onTap;
  const _AddBtn(this.onTap);
  @override
  Widget build(BuildContext c) {
    return GestureDetector(
      onTap: onTap,
      child: Container(
        padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 5),
        decoration: BoxDecoration(
          color: const Color(0xFFF0F0FF),
          borderRadius: BorderRadius.circular(8),
        ),
        child: const Row(mainAxisSize: MainAxisSize.min, children: [
          Icon(Icons.add, size: 14, color: AppColors.primary),
          SizedBox(width: 2),
          Text('添加', style: TextStyle(fontSize: 13, color: AppColors.primary)),
        ]),
      ),
    );
  }
}

/// 健康日历
class HealthCalendarPage extends ConsumerStatefulWidget {
  const HealthCalendarPage({super.key});
  @override ConsumerState<HealthCalendarPage> createState() => _HealthCalendarPageState();
}

class _HealthCalendarPageState extends ConsumerState<HealthCalendarPage> {
  DateTime _currentMonth = DateTime.now();
  DateTime? _selectedDate;
  Map<String, List<Map<String, dynamic>>> _events = {};
  Map<String, dynamic>? _selectedDayData;

  static const _medBlue = Color(0xFF0000FF);
  static const _exGreen = Color(0xFF00FF00);
  static const _fupOrange = Color(0xFFFFA500);

  @override void initState() { super.initState(); _loadMonth(); _selectDate(DateTime.now()); }
  String _dateKey(DateTime d) => '${d.year}-${d.month.toString().padLeft(2, '0')}-${d.day.toString().padLeft(2, '0')}';

  Future<void> _loadMonth() async {
    try {
      final api = ref.read(apiClientProvider);
      final res = await api.get('/api/calendar', queryParameters: {'year': _currentMonth.year, 'month': _currentMonth.month});
      final list = (res.data['data'] as List?) ?? [];
      final events = <String, List<Map<String, dynamic>>>{};
      for (final item in list) {
        final map = item as Map<String, dynamic>;
        final types = (map['events'] as List?)?.cast<String>() ?? [];
        events[map['date'] as String] = types.map((t) => <String, dynamic>{'type': t}).toList();
      }
      if (mounted) setState(() => _events = events);
      // 如果有选中的日期，刷新详情
      if (_selectedDate != null) _selectDate(_selectedDate!);
    } catch (_) {}
  }

  void _selectDate(DateTime d) {
    setState(() { _selectedDate = d; _selectedDayData = null; });
    final key = _dateKey(d);
    final details = _events[key];
    if (details != null && details.isNotEmpty) {
      // 从后端拉详细数据
      _loadDayDetail(d);
    }
  }

  Future<void> _loadDayDetail(DateTime d) async {
    try {
      final api = ref.read(apiClientProvider);
      final res = await api.get('/api/calendar/day', queryParameters: {
        'date': _dateKey(d),
      });
      if (mounted) setState(() => _selectedDayData = res.data['data'] as Map<String, dynamic>?);
    } catch (_) {}
  }

  @override Widget build(BuildContext context) {
    final today = DateTime.now();
    final isToday = _selectedDate != null && _dateKey(_selectedDate!) == _dateKey(today);

    return Scaffold(
      backgroundColor: const Color(0xFFF5F5F5),
      appBar: AppBar(backgroundColor: Colors.white, elevation: 0, title: const Text('健康日历', style: TextStyle(color: AppColors.textPrimary)), leading: IconButton(icon: const Icon(Icons.arrow_back, color: AppColors.textPrimary), onPressed: () => popRoute(ref))),
      body: Column(children: [
        Container(color: Colors.white, child: Column(children: [
          _buildMonthHeader(),
          _buildWeekdayHeader(),
          _buildCalendarGrid(),
        ])),
        const SizedBox(height: 12),
        // 图例
        Padding(padding: const EdgeInsets.symmetric(horizontal: 16), child: Row(mainAxisAlignment: MainAxisAlignment.center, children: [
          _Legend('用药提醒', _medBlue),
          const SizedBox(width: 20),
          _Legend('运动计划', _exGreen),
          const SizedBox(width: 20),
          _Legend('复查随访', _fupOrange),
        ])),
        const SizedBox(height: 12),
        // 当日详情
        Expanded(child: _buildDayDetail()),
      ]),
    );
  }

  Widget _buildMonthHeader() => Padding(padding: const EdgeInsets.symmetric(horizontal: 8), child: Row(mainAxisAlignment: MainAxisAlignment.spaceBetween, children: [
    IconButton(icon: const Icon(Icons.chevron_left), onPressed: () { setState(() => _currentMonth = DateTime(_currentMonth.year, _currentMonth.month - 1)); _loadMonth(); }),
    Text('${_currentMonth.year}年${_currentMonth.month}月', style: const TextStyle(fontSize: 18, fontWeight: FontWeight.w600)),
    IconButton(icon: const Icon(Icons.chevron_right), onPressed: () { setState(() => _currentMonth = DateTime(_currentMonth.year, _currentMonth.month + 1)); _loadMonth(); }),
  ]));

  Widget _buildWeekdayHeader() {
    const wd = ['日', '一', '二', '三', '四', '五', '六'];
    return Row(children: wd.map((d) => Expanded(child: Center(child: Text(d, style: const TextStyle(fontSize: 14, color: AppColors.textHint))))).toList());
  }

  Widget _buildCalendarGrid() {
    final first = DateTime(_currentMonth.year, _currentMonth.month, 1);
    final last = DateTime(_currentMonth.year, _currentMonth.month + 1, 0);
    final dim = last.day;
    final sw = first.weekday % 7;
    final days = List.generate(42, (i) { final di = i - sw; return di < 0 || di >= dim ? null : di + 1; });
    final today = DateTime.now();

    return GridView.builder(
      shrinkWrap: true, physics: const NeverScrollableScrollPhysics(),
      gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 7),
      itemCount: 42,
      itemBuilder: (_, i) {
        final day = days[i];
        if (day == null) return const SizedBox();
        final d = DateTime(_currentMonth.year, _currentMonth.month, day);
        final isToday = _dateKey(d) == _dateKey(today);
        final isSel = _selectedDate != null && _dateKey(d) == _dateKey(_selectedDate!);
        final evs = _events[_dateKey(d)] ?? [];

        return GestureDetector(
          onTap: () => _selectDate(d),
          child: Container(
            margin: const EdgeInsets.all(2),
            decoration: BoxDecoration(
              color: isSel ? AppColors.primary.withOpacity(0.08) : (isToday ? AppColors.primary.withOpacity(0.05) : Colors.white),
              borderRadius: BorderRadius.circular(12),
              border: isSel ? Border.all(color: AppColors.primary, width: 1.5) : (isToday ? Border.all(color: AppColors.primary.withOpacity(0.3), width: 1) : null),
            ),
            child: Stack(alignment: Alignment.center, children: [
              Text('$day', style: TextStyle(fontSize: 16, color: isSel ? AppColors.primary : AppColors.textPrimary, fontWeight: isSel || isToday ? FontWeight.w600 : FontWeight.normal)),
              if (evs.isNotEmpty)
                Positioned(bottom: 4, child: Row(children: evs.take(3).map((e) => Container(width: 5, height: 5, margin: const EdgeInsets.symmetric(horizontal: 1), decoration: BoxDecoration(color: _dotColor(e['type']?.toString() ?? ''), shape: BoxShape.circle))).toList())),
            ]),
          ),
        );
      },
    );
  }

  Color _dotColor(String t) => switch (t) { 'medication' => _medBlue, 'exercise' => _exGreen, 'followup' => _fupOrange, _ => AppColors.textHint };

  Widget _buildDayDetail() {
    if (_selectedDate == null) return const Center(child: Text('点击日期查看当天安排', style: TextStyle(color: AppColors.textHint)));
    if (_selectedDayData == null) {
      final evs = _events[_dateKey(_selectedDate!)] ?? [];
      if (evs.isEmpty) return Center(child: Column(mainAxisSize: MainAxisSize.min, children: [const Icon(Icons.event_available, size: 40, color: AppColors.textHint), const SizedBox(height: 8), Text('${_selectedDate!.month}月${_selectedDate!.day}日无事', style: const TextStyle(color: AppColors.textHint))]));
    }

    final data = _selectedDayData;
    if (data == null) return Center(child: Column(mainAxisSize: MainAxisSize.min, children: [
      Icon(Icons.event_available, size: 40, color: AppColors.textHint),
      const SizedBox(height: 8),
      Text('${_selectedDate!.month}月${_selectedDate!.day}日无事', style: const TextStyle(color: AppColors.textHint)),
    ]));

    final meds = (data['medications'] as List?)?.cast<Map<String, dynamic>>() ?? [];
    final exs = (data['exercises'] as List?)?.cast<Map<String, dynamic>>() ?? [];
    final fups = (data['followUps'] as List?)?.cast<Map<String, dynamic>>() ?? [];

    if (meds.isEmpty && exs.isEmpty && fups.isEmpty) {
      return Center(child: Column(mainAxisSize: MainAxisSize.min, children: [
        Icon(Icons.event_available, size: 40, color: AppColors.textHint),
        const SizedBox(height: 8),
        Text('${_selectedDate!.month}月${_selectedDate!.day}日无事', style: const TextStyle(color: AppColors.textHint)),
      ]));
    }

    return ListView(padding: const EdgeInsets.symmetric(horizontal: 16), children: [
      // 用药
      if (meds.isNotEmpty) ...[
        _SectionTitle('用药提醒', _medBlue, Icons.medication),
        ...meds.map((m) => _EventCard('${m['name'] ?? ''} ${m['dosage'] ?? ''}', '${m['timeOfDay'] ?? ''}', _medBlue)),
      ],
      // 运动
      if (exs.isNotEmpty) ...[
        _SectionTitle('运动计划', _exGreen, Icons.fitness_center),
        ...exs.map((e) => _EventCard('${e['type'] ?? ''}', '${e['duration'] ?? 0}分钟', _exGreen)),
      ],
      // 随访
      if (fups.isNotEmpty) ...[
        _SectionTitle('复查随访', _fupOrange, Icons.event_note),
        ...fups.map((f) => _EventCard(f['title'] ?? '', f['doctorName'] ?? '', _fupOrange)),
      ],
    ]);
  }
}

class _SectionTitle extends StatelessWidget {
  final String title; final Color color; final IconData icon;
  const _SectionTitle(this.title, this.color, this.icon);
  @override Widget build(BuildContext c) => Padding(padding: const EdgeInsets.only(top: 12, bottom: 6), child: Row(children: [
    Container(width: 4, height: 16, decoration: BoxDecoration(color: color, borderRadius: BorderRadius.circular(2))),
    const SizedBox(width: 8), Icon(icon, size: 16, color: color),
    const SizedBox(width: 6), Text(title, style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: color)),
  ]));
}

class _EventCard extends StatelessWidget {
  final String title; final String sub; final Color color;
  const _EventCard(this.title, this.sub, this.color);
  @override Widget build(BuildContext c) => Container(
    margin: const EdgeInsets.only(bottom: 6),
    padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
    decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(12), border: Border.all(color: const Color(0xFFE5E7EB))),
    child: Row(children: [
      Container(width: 8, height: 8, decoration: BoxDecoration(color: color, shape: BoxShape.circle)),
      const SizedBox(width: 10),
      Expanded(child: Text(title, style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w500))),
      Text(sub, style: const TextStyle(fontSize: 12, color: AppColors.textHint)),
    ]),
  );
}

class _Legend extends StatelessWidget {
  final String label; final Color color;
  const _Legend(this.label, this.color);
  @override Widget build(BuildContext c) => Row(children: [
    Container(width: 8, height: 8, decoration: BoxDecoration(color: color, shape: BoxShape.circle)),
    const SizedBox(width: 4),
    Text(label, style: const TextStyle(fontSize: 12, color: AppColors.textSecondary)),
  ]);
}

/// 静态文本页
class StaticTextPage extends ConsumerWidget {
  final String type;
  const StaticTextPage({super.key, required this.type});
  @override Widget build(BuildContext context, WidgetRef ref) {
    final titles = {'privacy': '隐私协议', 'terms': '服务协议', 'about': '关于健康管家'};
    final contents = {
      'privacy': '''## 隐私政策

更新日期：2026年1月1日

### 一、信息收集
我们收集以下类型的信息：
- 账户信息：手机号、昵称、头像（您主动提供）
- 健康数据：血压、心率、血糖、血氧、体重等健康指标记录
- 用药信息：药品名称、剂量、服药时间等用药计划数据
- 饮食记录：通过拍照或手动录入的饮食数据
- 设备信息：设备型号、操作系统版本（用于适配优化）
- 日志信息：App 使用情况、崩溃报告

### 二、信息使用
我们使用您的信息用于以下目的：
- 提供和改进健康管理服务
- AI 健康分析和个性化建议
- 用药提醒和复查通知推送
- App 功能优化和问题修复

### 三、信息保护
- 所有健康数据均采用 HTTPS 加密传输
- 数据存储于安全服务器，采用行业标准的加密措施
- 我们不会向任何第三方出售、出租或共享您的个人健康数据
- 医生仅可查看其签约患者的数据，且需经过您的授权

### 四、信息保留
- 对话记录保留 30 天后自动删除
- 您可以随时删除自己的健康数据和对话记录
- 账号注销后，所有数据将在 7 天内永久删除

### 五、您的权利
- 查看和导出您的个人数据
- 修改不准确的个人信息
- 删除不需要的数据
- 注销账号并清除所有数据
- 关闭推送通知

### 六、联系我们
如有任何关于隐私的问题，请联系：
邮箱：privacy@healthbutler.com
电话：400-xxx-xxxx''',
      'about': '''## 关于健康管家

版本：v1.0.0 (Build 20260101)

### 产品介绍
健康管家是一款面向心脏术后康复患者的私人 AI 健康管理应用。以对话为核心交互方式，患者可以通过自然语言记录健康数据、获取饮食运动建议、管理用药、解读检查报告。

### 核心功能
- AI 智能问诊：基于大语言模型的健康咨询服务
- 健康数据管理：血压、心率、血糖、血氧、体重的记录与趋势分析
- 智能用药管理：AI 解析处方，自动生成用药计划和提醒
- 饮食识别分析：拍照即可识别食物种类、估算热量营养素
- 报告智能解读：上传检查报告，AI 自动提取指标并预解读
- 运动计划管理：制定和追踪每日运动目标
- 在线医生问诊：与签约医生进行远程咨询

### 开发团队
由专业医疗团队与 AI 技术团队联合打造。

### 技术支持
如遇到问题或有建议，请通过以下方式联系我们：
- 在线客服：App 内「设置」→「意见反馈」
- 客服热线：400-xxx-xxxx（工作日 9:00-18:00）

### 版权声明
© 2025-2026 健康管家团队。保留所有权利。
本软件受中华人民共和国著作权法保护。''',
    };
    return GradientScaffold(
      appBar: AppBar(
        backgroundColor: Colors.white,
        elevation: 0,
        leading: IconButton(icon: const Icon(Icons.chevron_left), onPressed: () => popRoute(ref)),
        title: Text(titles[type] ?? '', style: TextStyle(color: AppColors.textPrimary, fontWeight: FontWeight.w600)),
        centerTitle: true,
      ),
      body: SingleChildScrollView(
        padding: const EdgeInsets.all(20),
        child: Text(contents[type] ?? '内容加载中...', style: TextStyle(fontSize: 17, height: 1.8, color: AppColors.textPrimary)),
      ),
    );
  }
}

/// 旧版设备管理页，已移至 device/device_management_page.dart
class _DeviceManagementPageLegacy extends ConsumerWidget {
  const _DeviceManagementPageLegacy({super.key});

  @override Widget build(BuildContext context, WidgetRef ref) {
    final device = ref.watch(omronDeviceProvider);
    return GradientScaffold(
      appBar: AppBar(
        backgroundColor: AppColors.cardBackground,
        title: const Text('蓝牙血压计'),
      ),
      body: device.isBound ? _buildBoundCard(context, ref, device) : _buildEmptyState(context, ref),
    );
  }

  Widget _buildEmptyState(BuildContext context, WidgetRef ref) => Center(
    child: Padding(
      padding: const EdgeInsets.all(32),
      child: Column(mainAxisSize: MainAxisSize.min, children: [
        Container(
          width: 88, height: 88,
          decoration: BoxDecoration(
            color: AppColors.iconBg,
            borderRadius: BorderRadius.circular(28),
          ),
          child: Icon(Icons.bluetooth_disabled, size: 44, color: AppColors.textHint),
        ),
        const SizedBox(height: 20),
        const Text('未绑定设备', style: TextStyle(fontSize: 20, fontWeight: FontWeight.w600, color: AppColors.textPrimary)),
        const SizedBox(height: 8),
        const Text('连接欧姆龙血压计，自动同步测量数据', style: TextStyle(fontSize: 15, color: AppColors.textHint)),
        const SizedBox(height: 28),
        SizedBox(
          width: 220,
          height: 52,
          child: ElevatedButton.icon(
            onPressed: () => pushRoute(ref, 'deviceScan'),
            icon: const Icon(Icons.add, size: 22),
            label: const Text('添加设备', style: TextStyle(fontSize: 17, fontWeight: FontWeight.w600)),
            style: ElevatedButton.styleFrom(
              backgroundColor: AppColors.primary,
              foregroundColor: Colors.white,
              shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(AppTheme.rMd)),
            ),
          ),
        ),
      ]),
    ),
  );

  Widget _buildBoundCard(BuildContext context, WidgetRef ref, DeviceBindState device) => SingleChildScrollView(
    padding: const EdgeInsets.all(16),
    child: Column(children: [
      // 设备信息卡片
      Container(
        width: double.infinity,
        padding: const EdgeInsets.all(24),
        decoration: BoxDecoration(
          color: AppColors.cardBackground,
          borderRadius: BorderRadius.circular(AppTheme.rMd),
          boxShadow: AppColors.cardShadow,
        ),
        child: Column(children: [
          Container(
            width: 72, height: 72,
            decoration: BoxDecoration(
              gradient: device.isConnected ? AppColors.primaryGradient : const LinearGradient(colors: [Color(0xFF9CA3AF), Color(0xFF6B7280)]),
              borderRadius: BorderRadius.circular(AppTheme.rMd),
            ),
            child: Icon(
              device.isConnected ? Icons.bluetooth_connected : Icons.bluetooth_disabled,
              size: 36, color: Colors.white,
            ),
          ),
          const SizedBox(height: 8),
          Container(
            padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
            decoration: BoxDecoration(
              color: device.isConnected ? const Color(0xFFD1FAE5) : const Color(0xFFFEE2E2),
              borderRadius: BorderRadius.circular(12),
            ),
            child: Text(
              device.isConnected ? '已连接' : '未连接',
              style: TextStyle(fontSize: 13, fontWeight: FontWeight.w600,
                color: device.isConnected ? const Color(0xFF059669) : const Color(0xFFDC2626)),
            ),
          ),
          const SizedBox(height: 12),
          Text(device.name ?? '血压计', style: const TextStyle(fontSize: 22, fontWeight: FontWeight.w700, color: AppColors.textPrimary)),
          const SizedBox(height: 6),
          Text('MAC: ${device.mac ?? '—'}', style: const TextStyle(fontSize: 14, color: AppColors.textHint)),
          if (device.lastSync != null) ...[
            const SizedBox(height: 4),
            Text('上次同步: ${device.lastSync}', style: const TextStyle(fontSize: 13, color: AppColors.textHint)),
          ],
          const SizedBox(height: 24),
          if (device.isConnected) ...[
            // 已连接：显示断开和解绑
            Row(children: [
              Expanded(
                child: OutlinedButton.icon(
                  onPressed: () => _unbind(context, ref),
                  icon: const Icon(Icons.delete_outline, size: 18, color: AppColors.error),
                  label: const Text('解绑', style: TextStyle(color: AppColors.error)),
                  style: OutlinedButton.styleFrom(
                    side: const BorderSide(color: AppColors.error),
                    shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(AppTheme.rMd)),
                    padding: const EdgeInsets.symmetric(vertical: 14),
                  ),
                ),
              ),
            ]),
          ] else ...[
            // 未连接：显示重新连接和解绑
            SizedBox(
              width: double.infinity,
              height: 52,
              child: ElevatedButton.icon(
                onPressed: () => pushRoute(ref, 'deviceScan'),
                icon: const Icon(Icons.bluetooth_searching, size: 20),
                label: const Text('重新连接设备', style: TextStyle(fontSize: 17, fontWeight: FontWeight.w600)),
                style: ElevatedButton.styleFrom(
                  backgroundColor: AppColors.primary,
                  foregroundColor: Colors.white,
                  shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(AppTheme.rMd)),
                ),
              ),
            ),
            const SizedBox(height: 12),
            SizedBox(
              width: double.infinity,
              child: OutlinedButton.icon(
                onPressed: () => _unbind(context, ref),
                icon: const Icon(Icons.delete_outline, size: 18, color: AppColors.error),
                label: const Text('解绑设备', style: TextStyle(color: AppColors.error)),
                style: OutlinedButton.styleFrom(
                  side: const BorderSide(color: AppColors.error),
                  shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(AppTheme.rMd)),
                  padding: const EdgeInsets.symmetric(vertical: 14),
                ),
              ),
            ),
          ],
        ]),
      ),

      // 最后读数卡片
      if (device.lastReading != null) ...[
        const SizedBox(height: 16),
        Container(
          width: double.infinity,
          padding: const EdgeInsets.all(20),
          decoration: BoxDecoration(
            color: AppColors.cardBackground,
            borderRadius: BorderRadius.circular(AppTheme.rMd),
            boxShadow: AppColors.cardShadow,
          ),
          child: Column(children: [
            Row(children: [
              Container(
                width: 6, height: 18,
                decoration: BoxDecoration(
                  gradient: AppColors.primaryGradient,
                  borderRadius: BorderRadius.circular(3),
                ),
              ),
              const SizedBox(width: 8),
              const Text('最近一次测量', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: AppColors.textPrimary)),
            ]),
            const SizedBox(height: 16),
            Row(children: [
              Container(
                width: 56, height: 56,
                decoration: BoxDecoration(
                  color: AppColors.iconBg,
                  borderRadius: BorderRadius.circular(AppTheme.rMd),
                ),
                child: const Text('🩺', style: TextStyle(fontSize: 28)),
              ),
              const SizedBox(width: 16),
              Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
                Text(device.lastReading!.display, style: const TextStyle(fontSize: 32, fontWeight: FontWeight.w800, color: AppColors.textPrimary, letterSpacing: -0.5)),
                Text('mmHg', style: TextStyle(fontSize: 14, color: AppColors.textHint)),
              ]),
              const Spacer(),
              if (device.lastReading!.pulse != null)
                Column(crossAxisAlignment: CrossAxisAlignment.end, children: [
                  Text('${device.lastReading!.pulse}', style: const TextStyle(fontSize: 24, fontWeight: FontWeight.w700, color: AppColors.primary)),
                  const Text('bpm', style: TextStyle(fontSize: 13, color: AppColors.textHint)),
                ]),
            ]),
          ]),
        ),
      ],

      // 使用说明
      const SizedBox(height: 16),
      Container(
        width: double.infinity,
        padding: const EdgeInsets.all(20),
        decoration: BoxDecoration(
          color: AppColors.iconBg,
          borderRadius: BorderRadius.circular(AppTheme.rMd),
        ),
        child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
          Row(children: [
            Icon(Icons.lightbulb_outline, size: 18, color: AppColors.primary),
            const SizedBox(width: 8),
            const Text('使用说明', style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: AppColors.textPrimary)),
          ]),
          const SizedBox(height: 10),
          _guideItem('1', '血压计装好电池，绑好袖带'),
          _guideItem('2', '血压计按开始键开始测量'),
          _guideItem('3', '测量完成后数据自动同步到 App'),
          _guideItem('4', '打开此页面时保持蓝牙开启'),
        ]),
      ),
    ]),
  );

  Widget _guideItem(String num, String text) => Padding(
    padding: const EdgeInsets.only(bottom: 6),
    child: Row(crossAxisAlignment: CrossAxisAlignment.start, children: [
      Text('$num.', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: AppColors.primary)),
      const SizedBox(width: 6),
      Expanded(child: Text(text, style: const TextStyle(fontSize: 14, color: AppColors.textSecondary))),
    ]),
  );

  void _unbind(BuildContext context, WidgetRef ref) async {
    final ok = await showDialog<bool>(context: context, builder: (ctx) => AlertDialog(
      title: const Text('解绑设备'),
      content: const Text('解绑后需重新扫描连接，确定吗？'),
      actions: [
        TextButton(onPressed: () => Navigator.pop(ctx, false), child: const Text('取消')),
        TextButton(onPressed: () => Navigator.pop(ctx, true), child: const Text('确定解绑', style: TextStyle(color: AppColors.error))),
      ],
    ));
    if (ok == true) {
      await ref.read(omronDeviceProvider.notifier).unbind();
    }
  }
}

Widget _empty(BuildContext context, String title, String subtitle) =>
  Center(child: Column(mainAxisSize: MainAxisSize.min, children: [
    Icon(Icons.inbox_outlined, size: 64, color: AppColors.textHint),
    const SizedBox(height: 12), Text(subtitle, style: Theme.of(context).textTheme.bodyMedium),
  ]));