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（左滑删除）
class DietRecordListPage extends ConsumerStatefulWidget {
  const DietRecordListPage({super.key});
  @override ConsumerState<DietRecordListPage> createState() => _DietRecordListPageState();
}
class _DietRecordListPageState extends ConsumerState<DietRecordListPage> {
  Future<List<Map<String, dynamic>>>? _future;

  @override void initState() { super.initState(); _refresh(); }
  void _refresh() { setState(() { _future = ref.read(dietServiceProvider).getRecords(); }); }

  @override Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: AppTheme.bg,
      appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('饮食记录')),
      body: FutureBuilder<List<Map<String, dynamic>>>(
        future: _future,
        builder: (ctx, snap) {
          if (snap.connectionState == ConnectionState.waiting) return const Center(child: CircularProgressIndicator(color: AppTheme.primary));
          final data = snap.data ?? [];
          if (data.isEmpty) return _empty(context, '饮食记录', '暂无饮食记录，可通过「拍饮食」录入');
          return ListView.builder(
            padding: const EdgeInsets.symmetric(vertical: 8),
            itemCount: data.length,
            itemBuilder: (ctx, i) {
              final d = data[i];
              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 mealLabel = mealNames[d['mealType']?.toString()] ?? d['mealType']?.toString() ?? '';
              final mealIcons = {'Breakfast':'🌅','Lunch':'☀️','Dinner':'🌙','Snack':'🍪'};
              return SwipeDeleteTile(
                key: Key(d['id']?.toString() ?? '$i'),
                onDelete: () async {
                  await ref.read(dietServiceProvider).deleteRecord(d['id']?.toString() ?? '');
                  _refresh();
                },
                onTap: () => pushRoute(ref, 'dietDetail', params: {'id': d['id']?.toString() ?? ''}),
                child: Container(
                  padding: const EdgeInsets.all(14),
                  decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(AppTheme.rMd)),
                  child: Row(children: [
                    Container(width: 44, height: 44, decoration: BoxDecoration(color: AppColors.iconBg, borderRadius: BorderRadius.circular(AppTheme.rMd)), child: Center(child: Text(mealIcons[d['mealType']?.toString()] ?? '🍽️', style: const TextStyle(fontSize: 23)))),
                    const SizedBox(width: 12),
                    Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
                      Row(children: [
                        Text(mealLabel, style: const TextStyle(fontSize: 18, fontWeight: FontWeight.w600)),
                        const SizedBox(width: 8),
                        Text('${d['totalCalories'] ?? 0}千卡', style: const TextStyle(fontSize: 16, color: AppTheme.primary)),
                      ]),
                      const SizedBox(height: 4),
                      Text(items.map((f) => f['name']).join(' · '), style: const TextStyle(fontSize: 16, color: AppColors.textSecondary), maxLines: 1, overflow: TextOverflow.ellipsis),
                    ])),
                    Icon(Icons.chevron_right, size: 21, color: AppColors.textHint),
                  ]),
                ),
              );
            },
          );
        },
      ),
    );
  }
}

/// 饮食记录详情页
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 Scaffold(
      backgroundColor: AppTheme.bg,
      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 Scaffold(
      backgroundColor: AppTheme.bg,
      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: 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: AnimatedContainer(
                      duration: const Duration(milliseconds: 300),
                      width: 40, height: 40,
                      decoration: BoxDecoration(
                        color: todayDone ? AppColors.successLight : (hasTodayItem ? AppTheme.primaryLight : 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 Scaffold(
      backgroundColor: AppTheme.bg,
      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: AppColors.backgroundSoft, border: OutlineInputBorder(borderRadius: BorderRadius.circular(AppTheme.rMd), borderSide: BorderSide.none)), style: const TextStyle(fontSize: 19)),
    ]);
  }

  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 Scaffold(
      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();
  final _birthCtrl = TextEditingController();
  final _diagnosisCtrl = TextEditingController();
  final _surgeryCtrl = TextEditingController();
  final _surgeryDateCtrl = TextEditingController();
  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(); _birthCtrl.dispose();
    _diagnosisCtrl.dispose(); _surgeryCtrl.dispose(); _surgeryDateCtrl.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'] ?? '';
        _birthCtrl.text = p['birthDate'] ?? '';
      }
      final a = await srv.getHealthArchive();
      if (a != null && mounted) {
        _diagnosisCtrl.text = a['diagnosis'] ?? '';
        _surgeryCtrl.text = a['surgeryType'] ?? '';
        _surgeryDateCtrl.text = a['surgeryDate'] ?? '';
        _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> _save() async {
    setState(() => _saving = true);
    try {
      final srv = ref.read(userServiceProvider);
      await srv.updateProfile(name: _nameCtrl.text, gender: _genderCtrl.text, birthDate: _birthCtrl.text);
      await srv.updateHealthArchive({
        'diagnosis': _diagnosisCtrl.text,
        'surgeryType': _surgeryCtrl.text,
        'surgeryDate': _surgeryDateCtrl.text,
        '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: AppColors.background,
        appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('健康档案')),
        body: const Center(child: CircularProgressIndicator(color: AppColors.primary)),
      );
    }
    return Scaffold(
      backgroundColor: AppColors.background,
      appBar: AppBar(
        backgroundColor: AppColors.cardBackground,
        title: const Text('健康档案'),
      ),
      body: ListView(
        padding: const EdgeInsets.all(16),
        children: [
          _buildSection('个人资料', Icons.person_outline, [
            _buildField('姓名', _nameCtrl, hint: '请输入姓名'),
            const SizedBox(height: 12),
            Row(children: [
              Expanded(child: _buildField('性别', _genderCtrl, hint: '男/女')),
              const SizedBox(width: 12),
              Expanded(child: _buildField('出生日期', _birthCtrl, hint: '如 1970-03-15')),
            ]),
          ]),
          const SizedBox(height: 16),
          _buildSection('医疗信息', Icons.local_hospital_outlined, [
            _buildField('主要诊断', _diagnosisCtrl, hint: '如: 冠心病'),
            const SizedBox(height: 12),
            Row(children: [
              Expanded(child: _buildField('手术类型', _surgeryCtrl, hint: '如: PCI支架植入术')),
              const SizedBox(width: 12),
              Expanded(child: _buildField('手术日期', _surgeryDateCtrl, hint: '如 2026-03-15')),
            ]),
          ]),
          const SizedBox(height: 16),
          _buildSection('病史与限制', Icons.warning_amber_outlined, [
            _buildField('过敏史', _allergiesCtrl, hint: '多个用、分隔，如: 青霉素、海鲜'),
            const SizedBox(height: 12),
            _buildField('慢性病史', _chronicCtrl, hint: '多个用、分隔，如: 高血压、高血脂'),
            const SizedBox(height: 12),
            _buildField('饮食限制', _dietCtrl, hint: '多个用、分隔，如: 低盐、低脂'),
            const SizedBox(height: 12),
            _buildField('家族病史', _familyCtrl, hint: '如: 父亲冠心病'),
          ]),
          const SizedBox(height: 24),
          SizedBox(
            width: double.infinity,
            height: 52,
            child: ElevatedButton(
              onPressed: _saving ? null : _save,
              style: ElevatedButton.styleFrom(
                backgroundColor: AppColors.primary,
                foregroundColor: Colors.white,
                shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(AppTheme.rMd)),
                elevation: 0,
              ),
              child: Text(_saving ? '保存中...' : '保存档案', style: const TextStyle(fontSize: 17, fontWeight: FontWeight.w600)),
            ),
          ),
          const SizedBox(height: 40),
        ],
      ),
    );
  }

  Widget _buildSection(String title, IconData icon, List<Widget> fields) {
    return Container(
      padding: const EdgeInsets.all(18),
      decoration: BoxDecoration(
        color: AppColors.cardBackground,
        borderRadius: BorderRadius.circular(AppTheme.rMd),
        boxShadow: [AppTheme.shadowCard],
      ),
      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,
      ]),
    );
  }

  Widget _buildField(String label, TextEditingController ctrl, {String? hint}) {
    return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
      Text(label, style: const TextStyle(fontSize: 14, color: AppColors.textHint)),
      const SizedBox(height: 6),
      TextField(
        controller: ctrl,
        style: const TextStyle(fontSize: 17, color: AppColors.textPrimary),
        decoration: InputDecoration(
          hintText: hint,
          hintStyle: const TextStyle(fontSize: 15, color: AppColors.textHint),
          filled: true,
          fillColor: AppColors.backgroundSoft,
          contentPadding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12),
          border: OutlineInputBorder(
            borderRadius: BorderRadius.circular(AppTheme.rSm),
            borderSide: BorderSide.none,
          ),
          enabledBorder: OutlineInputBorder(
            borderRadius: BorderRadius.circular(AppTheme.rSm),
            borderSide: BorderSide.none,
          ),
          focusedBorder: OutlineInputBorder(
            borderRadius: BorderRadius.circular(AppTheme.rSm),
            borderSide: const BorderSide(color: AppColors.primary, width: 1.5),
          ),
        ),
      ),
    ]);
  }
}

/// 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();
  Map<String, List<String>> _events = {};

  @override void initState() {
    super.initState();
    _loadMonth();
  }

  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<String>>{};
      for (final item in list) {
        final map = item as Map<String, dynamic>;
        events[map['date'] as String] = List<String>.from(map['events'] ?? []);
      }
      if (mounted) setState(() => _events = events);
    } catch (e) { debugPrint('[Calendar] 加载日历失败: $e'); }
  }

  @override Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('健康日历'), centerTitle: true),
      body: Column(children: [
        _buildMonthHeader(),
        _buildWeekdayHeader(),
        _buildCalendarGrid(),
        const SizedBox(height: 16),
        _buildLegend(),
      ]),
    );
  }

  Widget _buildMonthHeader() {
    return Row(
      mainAxisAlignment: MainAxisAlignment.spaceBetween,
      children: [
        IconButton(
          icon: const Icon(Icons.chevron_left, size: 32),
          onPressed: () { setState(() => _currentMonth = DateTime(_currentMonth.year, _currentMonth.month - 1)); _loadMonth(); },
        ),
        Text(
          '${_currentMonth.year}年${_currentMonth.month}月',
          style: const TextStyle(fontSize: 21, fontWeight: FontWeight.w600),
        ),
        IconButton(
          icon: const Icon(Icons.chevron_right, size: 32),
          onPressed: () { setState(() => _currentMonth = DateTime(_currentMonth.year, _currentMonth.month + 1)); _loadMonth(); },
        ),
      ],
    );
  }

  Widget _buildWeekdayHeader() {
    const weekdays = ['日', '一', '二', '三', '四', '五', '六'];
    return Row(children: weekdays.map((day) => Expanded(
      child: Center(child: Text(day, style: const TextStyle(fontSize: 17, color: AppColors.textHint))),
    )).toList());
  }

  Widget _buildCalendarGrid() {
    final firstDay = DateTime(_currentMonth.year, _currentMonth.month, 1);
    final lastDay = DateTime(_currentMonth.year, _currentMonth.month + 1, 0);
    final daysInMonth = lastDay.day;
    final startWeekday = firstDay.weekday % 7;

    final days = List.generate(42, (i) {
      final dayIndex = i - startWeekday;
      if (dayIndex < 0 || dayIndex >= daysInMonth) return null;
      return dayIndex + 1;
    });

    return Expanded(
      child: GridView.builder(
        gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 7),
        itemCount: 42,
        itemBuilder: (ctx, i) {
          final day = days[i];
          if (day == null) return const SizedBox();
          return _buildDayCell(day);
        },
      ),
    );
  }

  Widget _buildDayCell(int day) {
    final date = DateTime(_currentMonth.year, _currentMonth.month, day);
    final today = DateTime.now();
    final isToday = date.year == today.year && date.month == today.month && date.day == today.day;
    final events = _getEvents(date);

    return Container(
      decoration: isToday ? BoxDecoration(
        color: AppTheme.primary,
        borderRadius: BorderRadius.circular(20),
      ) : null,
      child: Stack(
        alignment: Alignment.center,
        children: [
          Text(
            '$day',
            style: TextStyle(
              fontSize: 19,
              color: isToday ? Colors.white : AppColors.textPrimary,
              fontWeight: isToday ? FontWeight.w600 : FontWeight.normal,
            ),
          ),
          if (events.isNotEmpty)
            Positioned(
              bottom: 4,
              child: Row(children: events.map((type) => Container(
                width: 6,
                height: 6,
                margin: const EdgeInsets.symmetric(horizontal: 1),
                decoration: BoxDecoration(
                  color: _getEventColor(type),
                  borderRadius: BorderRadius.circular(3),
                ),
              )).toList()),
            ),
        ],
      ),
    );
  }

  List<String> _getEvents(DateTime date) {
    final key = '${date.year}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
    return _events[key] ?? [];
  }

  Color _getEventColor(String type) {
    switch (type) {
      case 'medication': return AppTheme.primary;
      case 'exercise': return AppTheme.success;
      case 'followup': return AppColors.warning;
      default: return AppColors.textHint;
    }
  }

  Widget _buildLegend() {
    final items = [
      {'color': AppTheme.primary, 'label': '用药提醒'},
      {'color': AppTheme.success, 'label': '运动计划'},
      {'color': AppColors.warning, 'label': '复查随访'},
    ];
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 16),
      child: Row(mainAxisAlignment: MainAxisAlignment.center, children: items.map((item) => Row(children: [
        Container(width: 10, height: 10, decoration: BoxDecoration(color: item['color'] as Color, borderRadius: BorderRadius.circular(5))),
        const SizedBox(width: 4),
        Text(item['label'] as String, style: const TextStyle(fontSize: 15, color: AppColors.textSecondary)),
        const SizedBox(width: 20),
      ])).toList()),
    );
  }
}

/// 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 Scaffold(
      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)),
      ),
    );
  }
}

/// 血压计设备管理（已绑定/未绑定）
class DeviceManagementPage extends ConsumerWidget {
  const DeviceManagementPage({super.key});

  @override Widget build(BuildContext context, WidgetRef ref) {
    final device = ref.watch(omronDeviceProvider);
    return Scaffold(
      backgroundColor: AppColors.background,
      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: AppColors.primaryGradient,
              borderRadius: BorderRadius.circular(AppTheme.rMd),
            ),
            child: const Icon(Icons.bluetooth_connected, size: 36, color: Colors.white),
          ),
          const SizedBox(height: 16),
          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),
          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),
                ),
              ),
            ),
            const SizedBox(width: 12),
            Expanded(
              child: ElevatedButton.icon(
                onPressed: () => pushRoute(ref, 'deviceScan'),
                icon: const Icon(Icons.swap_horiz, size: 18),
                label: const Text('更换设备'),
                style: ElevatedButton.styleFrom(
                  backgroundColor: AppColors.primary,
                  foregroundColor: Colors.white,
                  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),
  ]));