import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../core/navigation_provider.dart';
import '../providers/auth_provider.dart';
import '../providers/data_providers.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: const Color(0xFFF8F9FC),
      appBar: AppBar(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: Color(0xFF6C5CE7)));
          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() ?? '$i'),
                onDelete: () async {
                  await ref.read(dietServiceProvider).deleteRecord(d['id']?.toString() ?? '');
                  _refresh();
                },
                onTap: () => pushRoute(ref, 'dietDetail', params: {'id': d['id']?.toString() ?? ''}),
                child: Container(
                  margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
                  padding: const EdgeInsets.all(14),
                  decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(16)),
                  child: Row(children: [
                    Container(width: 44, height: 44, decoration: BoxDecoration(color: const Color(0xFFEDEAFF), borderRadius: BorderRadius.circular(12)), child: Center(child: Text(mealIcons[d['mealType']?.toString()] ?? '🍽️', style: const TextStyle(fontSize: 20)))),
                    const SizedBox(width: 12),
                    Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
                      Row(children: [
                        Text(mealLabel, style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w600)),
                        const SizedBox(width: 8),
                        Text('${d['totalCalories'] ?? 0}千卡', style: const TextStyle(fontSize: 13, color: Color(0xFF6C5CE7))),
                      ]),
                      const SizedBox(height: 4),
                      Text(items.map((f) => f['name']).join(' · '), style: const TextStyle(fontSize: 13, color: Color(0xFF888888)), maxLines: 1, overflow: TextOverflow.ellipsis),
                    ])),
                    const Icon(Icons.chevron_right, size: 18, color: Color(0xFFCCCCCC)),
                  ]),
                ),
              );
            },
          );
        },
      ),
    );
  }
}

/// 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: const Color(0xFFF8F9FC),
      appBar: AppBar(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: Color(0xFF6C5CE7)));
          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(16)), child: Row(children: [
              Container(width: 48, height: 48, decoration: BoxDecoration(color: const Color(0xFFEDEAFF), borderRadius: BorderRadius.circular(14)), child: const Icon(Icons.restaurant, size: 24, color: Color(0xFF6C5CE7))),
              const SizedBox(width: 14),
              Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
                Text(mealNames[d['mealType']?.toString()] ?? '', style: const TextStyle(fontSize: 18, fontWeight: FontWeight.w700)),
                Text('$totalCal 千卡 · ${d['recordedAt'] ?? ''}', style: const TextStyle(fontSize: 13, color: Color(0xFF999999))),
              ]),
            ])),
            const SizedBox(height: 16),
            ...items.map((f) => Container(
              margin: const EdgeInsets.only(bottom: 8),
              padding: const EdgeInsets.all(14),
              decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(14)),
              child: Row(children: [
                Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
                  Text(f['name']?.toString() ?? '', style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600)),
                  if ((f['portion']?.toString() ?? '').isNotEmpty) Text(f['portion']!.toString(), style: const TextStyle(fontSize: 13, color: Color(0xFF888888))),
                ])),
                Text('${f['calories'] ?? 0} kcal', style: const TextStyle(fontSize: 15, color: Color(0xFF6C5CE7), 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);
    _load();
  }

  @override Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: const Color(0xFFF8F9FC),
      appBar: AppBar(title: const Text('运动计划')),
      floatingActionButton: FloatingActionButton(onPressed: () { pushRoute(ref, 'exerciseCreate'); }, backgroundColor: const Color(0xFF6C5CE7), 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>>() ?? [];
            final total = items.length;
            final done = items.where((it) => it['isCompleted'] == true).length;
            // 基于weekStartDate推算今天对应的条目索引
            final weekStart = p['weekStartDate']?.toString() ?? '';
            int? todayIdx;
            if (weekStart.isNotEmpty) {
              final ws = DateTime.tryParse(weekStart);
              if (ws != null) {
                final diff = DateTime.now().difference(ws).inDays;
                if (diff >= 0 && diff < items.length) todayIdx = diff;
              }
            }
            final todayItem = todayIdx != null ? items[todayIdx] : null;
            final todayDone = todayItem?['isCompleted'] == true;
            final exerciseName = items.isNotEmpty ? (items.first['exerciseType']?.toString() ?? '运动') : '运动';
            final startDate = weekStart;
            final endIdx = items.length - 1;
            final endDay = items.isNotEmpty ? items.last['dayOfWeek'] as int? : 6;

            return _SwipeDeleteTile(
              key: Key(p['id']?.toString() ?? '$i'),
              onDelete: () => _deletePlan(p['id']?.toString() ?? ''),
              onTap: () {},
              child: Container(
                margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
                padding: const EdgeInsets.all(16),
                decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(16)),
                child: Row(children: [
                  Container(width: 44, height: 44, decoration: BoxDecoration(color: const Color(0xFFEDEAFF), borderRadius: BorderRadius.circular(12)), child: const Icon(Icons.directions_run, size: 22, color: Color(0xFF6C5CE7))),
                  const SizedBox(width: 12),
                  Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
                    Text(exerciseName, style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600)),
                    const SizedBox(height: 2),
                    Text('$startDate 起 · ${items.first['durationMinutes'] ?? 0}分钟/天', style: const TextStyle(fontSize: 13, color: Color(0xFF888888))),
                    const SizedBox(height: 6),
                    Text('$done/$total 天已完成', style: const TextStyle(fontSize: 12, color: Color(0xFF6C5CE7))),
                  ])),
                  GestureDetector(
                    onTap: todayItem != null ? () => _checkIn(p['id']?.toString() ?? '', todayItem['id']?.toString() ?? '') : null,
                    child: AnimatedContainer(
                      duration: const Duration(milliseconds: 300),
                      width: 40, height: 40,
                      decoration: BoxDecoration(
                        color: todayDone ? const Color(0xFFDCFCE7) : (todayItem != null ? const Color(0xFFEDEAFF) : const Color(0xFFF5F5F5)),
                        borderRadius: BorderRadius.circular(12),
                      ),
                      child: Icon(todayDone ? Icons.check_circle : Icons.check_circle_outline, size: 24, color: todayDone ? const Color(0xFF43A047) : const Color(0xFFBBBBBB)),
                    ),
                  ),
                ]),
              ),
            );
          });
        },
      ),
    );
  }
}

/// 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) { ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('计划已创建'), backgroundColor: Color(0xFF43A047))); popRoute(ref); }
  }

  @override Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: const Color(0xFFF8F9FC),
      appBar: AppBar(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: const Color(0xFF6C5CE7), foregroundColor: Colors.white, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)), padding: const EdgeInsets.symmetric(vertical: 14)), child: const Text('保存计划', style: TextStyle(fontSize: 16)))),
      ]),
    );
  }

  Widget _field(String label, TextEditingController ctrl, {String? hint, bool number = false}) {
    return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
      Text(label, style: const TextStyle(fontSize: 14, color: Color(0xFF666666))),
      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(12), borderSide: BorderSide.none)), style: const TextStyle(fontSize: 16)),
    ]);
  }

  Widget _dateField(String label, DateTime val, ValueChanged<DateTime> onChanged) {
    return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
      Text(label, style: const TextStyle(fontSize: 14, color: Color(0xFF666666))),
      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: 16))),
      ),
    ]);
  }
}

/// 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(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: Color(0xFF8B9CF7)));
          }
          final list = snap.data ?? [];
          if (list.isEmpty) {
            return Center(
              child: Column(mainAxisSize: MainAxisSize.min, children: [
                Icon(Icons.event_note_outlined, size: 64, color: Colors.grey[300]),
                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: 13, color: Color(0xFF999999))),
              ]),
            );
          }
          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 const Color(0xFF4F6EF7);
      case 'Completed': return const Color(0xFF43A047);
      case 'Cancelled': return const Color(0xFFE53935);
      default: return const Color(0xFF999999);
    }
  }

  Color _statusBg(String? status) {
    switch (status) {
      case 'Upcoming': return const Color(0xFFEDF2FF);
      case 'Completed': return const Color(0xFFDCFCE7);
      case 'Cancelled': return const Color(0xFFFFF5F5);
      default: return const Color(0xFFF5F5F5);
    }
  }

  @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(16),
        boxShadow: [BoxShadow(color: const Color(0xFF8B9CF7).withAlpha(10), blurRadius: 4, offset: const Offset(0, 2))],
      ),
      child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
        Row(children: [
          Container(
            padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
            decoration: BoxDecoration(color: bg, borderRadius: BorderRadius.circular(8)),
            child: Text(label, style: TextStyle(fontSize: 12, color: color, fontWeight: FontWeight.w500)),
          ),
          const Spacer(),
          if (item['doctorName'] != null)
            Text('👨‍⚕️ ${item['doctorName']}', style: const TextStyle(fontSize: 12, color: Color(0xFF999999))),
        ]),
        const SizedBox(height: 12),
        Text(item['title']?.toString() ?? '', style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600)),
        const SizedBox(height: 4),
        if (item['scheduledAt'] != null)
          Text(_formatDateTime(item['scheduledAt']?.toString()), style: TextStyle(fontSize: 14, color: Colors.grey[500])),
        if ((item['notes']?.toString() ?? '').isNotEmpty) ...[
          const SizedBox(height: 8),
          Text(item['notes']?.toString() ?? '', style: TextStyle(fontSize: 13, color: Colors.grey[600])),
        ],
      ]),
    );
  }

  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;

  @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 {
    final srv = ref.read(userServiceProvider);
    try {
      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('已保存'), backgroundColor: Color(0xFF43A047)));
    } catch (_) {
      if (mounted) ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('保存失败'), backgroundColor: Color(0xFFE53935)));
    }
  }

  @override Widget build(BuildContext context) {
    if (_loading) return Scaffold(appBar: AppBar(title: const Text('健康档案')), body: const Center(child: CircularProgressIndicator(color: Color(0xFF6C5CE7))));
    return Scaffold(
      backgroundColor: const Color(0xFFF8F9FC),
      appBar: AppBar(title: const Text('健康档案'), actions: [
        TextButton(onPressed: _save, child: const Text('保存', style: TextStyle(color: Color(0xFF6C5CE7), fontWeight: FontWeight.w600))),
      ]),
      body: ListView(padding: const EdgeInsets.all(16), children: [
        _sectionTitle('个人资料'),
        _editableCard(children: [
          _field('姓名', _nameCtrl),
          Row(children: [Expanded(child: _field('性别', _genderCtrl)), const SizedBox(width: 12), Expanded(child: _field('出生日期', _birthCtrl, hint: 'YYYY-MM-DD'))]),
        ]),
        _sectionTitle('医疗信息'),
        _editableCard(children: [
          _field('主要诊断', _diagnosisCtrl, hint: '如: 冠心病'),
          Row(children: [Expanded(child: _field('手术类型', _surgeryCtrl, hint: '如: PCI支架植入术')), const SizedBox(width: 12), Expanded(child: _field('手术日期', _surgeryDateCtrl, hint: 'YYYY-MM-DD'))]),
        ]),
        _sectionTitle('病史与限制'),
        _editableCard(children: [
          _field('过敏史', _allergiesCtrl, hint: '多个用、分隔 如: 青霉素、海鲜'),
          _field('慢性病史', _chronicCtrl, hint: '多个用、分隔 如: 高血压、高血脂'),
          _field('饮食限制', _dietCtrl, hint: '多个用、分隔 如: 低盐、低脂'),
          _field('家族病史', _familyCtrl, hint: '如: 父亲冠心病'),
        ]),
        const SizedBox(height: 20),
        SizedBox(width: double.infinity, child: ElevatedButton(onPressed: _save, child: const Text('保存档案')),),
        const SizedBox(height: 40),
      ]),
    );
  }

  Widget _sectionTitle(String title) => Padding(
    padding: const EdgeInsets.only(left: 4, top: 16, bottom: 8),
    child: Text(title, style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w700, color: Color(0xFF6C5CE7))),
  );

  Widget _editableCard({required List<Widget> children}) => Container(
    padding: const EdgeInsets.all(16),
    decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(16), boxShadow: [BoxShadow(color: const Color(0xFF6C5CE7).withAlpha(8), blurRadius: 8, offset: const Offset(0, 2))]),
    child: Column(children: children),
  );

  Widget _field(String label, TextEditingController ctrl, {String? hint}) => Padding(
    padding: const EdgeInsets.only(bottom: 12),
    child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
      Text(label, style: const TextStyle(fontSize: 13, color: Color(0xFF888888))),
      const SizedBox(height: 4),
      TextField(controller: ctrl, decoration: InputDecoration(hintText: hint, filled: true, fillColor: const Color(0xFFF4F5FA), contentPadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10), border: OutlineInputBorder(borderRadius: BorderRadius.circular(10), borderSide: BorderSide.none)), style: const TextStyle(fontSize: 15)),
    ]),
  );
}

/// 编辑资料（已合并到健康档案，保留路由兼容）
class EditProfilePage extends ConsumerWidget {
  final String? id;
  const EditProfilePage({super.key, this.id});
  @override Widget build(BuildContext context, WidgetRef ref) => const HealthArchivePage();
}

/// 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 (_) {}
  }

  @override Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(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: 18, 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: TextStyle(fontSize: 14, color: Colors.grey[500]))),
    )).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: const Color(0xFF8B9CF7),
        borderRadius: BorderRadius.circular(20),
      ) : null,
      child: Stack(
        alignment: Alignment.center,
        children: [
          Text(
            '$day',
            style: TextStyle(
              fontSize: 16,
              color: isToday ? Colors.white : Colors.black,
              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 const Color(0xFF8B9CF7);
      case 'exercise': return const Color(0xFF43A047);
      case 'followup': return const Color(0xFFF59E0B);
      default: return Colors.grey;
    }
  }

  Widget _buildLegend() {
    final items = [
      {'color': const Color(0xFF8B9CF7), 'label': '用药提醒'},
      {'color': const Color(0xFF43A047), 'label': '运动计划'},
      {'color': const Color(0xFFF59E0B), '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: TextStyle(fontSize: 12, color: Colors.grey[600])),
        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: const TextStyle(color: Color(0xFF1A1A1A), fontWeight: FontWeight.w600)),
        centerTitle: true,
      ),
      body: SingleChildScrollView(
        padding: const EdgeInsets.all(20),
        child: Text(contents[type] ?? '内容加载中...', style: const TextStyle(fontSize: 14, height: 1.8, color: Color(0xFF333333))),
      ),
    );
  }
}

/// 设备管理（占位）
class DeviceManagementPage extends ConsumerWidget {
  const DeviceManagementPage({super.key});
  @override Widget build(BuildContext context, WidgetRef ref) => _empty(context, '设备管理', '暂无绑定设备');
}

// ═══════════════════ 自定义滑动删除组件 ═══════════════════
class _SwipeDeleteTile extends StatefulWidget {
  final Widget child;
  final VoidCallback onDelete;
  final VoidCallback onTap;
  const _SwipeDeleteTile({super.key, required this.child, required this.onDelete, required this.onTap});
  @override State<_SwipeDeleteTile> createState() => _SwipeDeleteTileState();
}

class _SwipeDeleteTileState extends State<_SwipeDeleteTile> with SingleTickerProviderStateMixin {
  double _dx = 0;
  static const _maxSlide = 80.0;
  static const _threshold = 40.0;

  void _onDragUpdate(DragUpdateDetails d) {
    setState(() => _dx = (_dx + d.delta.dx).clamp(-_maxSlide, 0.0));
  }

  void _onDragEnd(DragEndDetails d) {
    if (_dx < -_threshold) {
      setState(() => _dx = -_maxSlide);
    } else {
      setState(() => _dx = 0);
    }
  }

  void _onDelete() {
    widget.onDelete();
    setState(() => _dx = 0);
  }

  void _closeSwipe() => setState(() => _dx = 0);

  @override Widget build(BuildContext context) {
    return Stack(children: [
        Positioned.fill(child: Container(
          margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
          decoration: BoxDecoration(color: const Color(0xFFE53935), borderRadius: BorderRadius.circular(16)),
          child: const Align(
            alignment: Alignment.centerRight,
            child: Padding(padding: EdgeInsets.only(right: 20), child: Icon(Icons.delete_outline, color: Colors.white, size: 24)),
          ),
        )),
        GestureDetector(
          onTap: _dx < 0 ? () { widget.onDelete(); setState(() => _dx = 0); } : widget.onTap,
          onHorizontalDragUpdate: _onDragUpdate,
          onHorizontalDragEnd: _onDragEnd,
          child: Transform.translate(offset: Offset(_dx, 0), child: widget.child),
        ),
      ]);
  }
}

Widget _empty(BuildContext context, String title, String subtitle) =>
  Center(child: Column(mainAxisSize: MainAxisSize.min, children: [
    Icon(Icons.inbox_outlined, size: 64, color: Colors.grey[300]),
    const SizedBox(height: 12), Text(subtitle, style: Theme.of(context).textTheme.bodyMedium),
  ]));