import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:provider/provider.dart';

import '../providers/pet_provider.dart';
import '../services/api_service.dart';
import '../theme/app_colors.dart';

import '../widgets/common/custom_app_bar.dart';
import '../widgets/common/custom_time_picker.dart';

class ScheduleFormScreen extends StatefulWidget {
  final DateTime selectedDate;

  const ScheduleFormScreen({super.key, required this.selectedDate});

  @override
  State<ScheduleFormScreen> createState() => _ScheduleFormScreenState();
}

class _ScheduleFormScreenState extends State<ScheduleFormScreen> {
  final TextEditingController _titleController = TextEditingController();
  final TextEditingController _noteController = TextEditingController();

  // 시간 설정 상태
  late TimeOfDay _startTime;
  late TimeOfDay _endTime;
  bool _isEndTimeManuallySet = false; // 사용자가 종료시간을 직접 수정했는지 여부
  String? _activePicker; // 'start', 'end', or null

  String _selectedType = 'general'; // 'general' or 'important'
  bool _isSubstituting = false; // "저장 중" 상태 표시

  // 반복 설정 상태
  bool _isRepeatExpanded = false;
  final TextEditingController _repeatIntervalController = TextEditingController(
    text: '1',
  );
  String? _repeatUnit; // null, 'day', 'week', 'month', 'year'
  // 알림 설정 상태
  bool _isAlarmExpanded = false;
  String _selectedAlarmType =
      'none'; // 'none', 'start', '10min', '1hour', '1day', 'custom'
  String _customAlarmUnit = 'min'; // 'min', 'hour', 'day', 'week'
  final TextEditingController _customAlarmController = TextEditingController();

  @override
  void initState() {
    super.initState();
    // 초기 시간 설정: 시작 08:00, 종료 09:00
    _startTime = const TimeOfDay(hour: 8, minute: 0);
    _endTime = const TimeOfDay(hour: 9, minute: 0);
  }

  @override
  void dispose() {
    _titleController.dispose();
    _noteController.dispose();
    _repeatIntervalController.dispose();
    _customAlarmController.dispose();
    super.dispose();
  }

  // 시작 시간 변경 핸들러
  void _onStartTimeChanged(TimeOfDay newTime) {
    setState(() {
      _startTime = newTime;
      // 종료 시간을 수동으로 설정하지 않았다면, 자동으로 +1시간
      if (!_isEndTimeManuallySet) {
        int endHour = newTime.hour + 1;
        int endMinute = newTime.minute;
        // 24시 넘어가면 0시로 (단순화)
        if (endHour >= 24) {
          endHour -= 24;
        }
        _endTime = TimeOfDay(hour: endHour, minute: endMinute);
      }
    });
  }

  // 종료 시간 변경 핸들러
  void _onEndTimeChanged(TimeOfDay newTime) {
    setState(() {
      _endTime = newTime;
      _isEndTimeManuallySet = true; // 수동 설정됨 -> 자동 연동 해제
    });
  }

  String _formatTime(TimeOfDay time) {
    final period = time.period == DayPeriod.am ? '오전' : '오후';
    final hour = time.hourOfPeriod == 0 ? 12 : time.hourOfPeriod;
    final minute = time.minute.toString().padLeft(2, '0');
    return '$period $hour:$minute';
  }

  String _getRepeatText() {
    if (_repeatUnit == null) return '반복 안 함';
    final interval = _repeatIntervalController.text;
    String unitText = '';
    switch (_repeatUnit) {
      case 'day':
        unitText = '일';
        break;
      case 'week':
        unitText = '주';
        break;
      case 'month':
        unitText = '개월';
        break;
      case 'year':
        unitText = '년';
        break;
    }
    return '$interval$unitText마다';
  }

  Future<void> _saveSchedule() async {
    final title = _titleController.text.trim();
    if (title.isEmpty) return;

    final petProvider = context.read<PetProvider>();
    final selectedPet = petProvider.selectedPet;

    if (selectedPet == null) {
      ScaffoldMessenger.of(
        context,
      ).showSnackBar(const SnackBar(content: Text('반려동물을 먼저 선택해주세요.')));
      return;
    }

    setState(() {
      _isSubstituting = true;
    });

    try {
      final apiService = ApiService();

      // 시작/종료 시간 DateTime 생성
      final startDateTime = DateTime(
        widget.selectedDate.year,
        widget.selectedDate.month,
        widget.selectedDate.day,
        _startTime.hour,
        _startTime.minute,
      );

      // 반복 정보
      int? repeatInterval;
      if (_repeatUnit != null) {
        repeatInterval = int.tryParse(_repeatIntervalController.text) ?? 1;
      }

      // 알림 시간 계산
      DateTime? alarmTime;
      bool isAlarmOn = _selectedAlarmType != 'none';
      if (isAlarmOn) {
        switch (_selectedAlarmType) {
          case 'start':
            alarmTime = startDateTime;
            break;
          case '10min':
            alarmTime = startDateTime.subtract(const Duration(minutes: 10));
            break;
          case '1hour':
            alarmTime = startDateTime.subtract(const Duration(hours: 1));
            break;
          case '1day':
            alarmTime = startDateTime.subtract(const Duration(days: 1));
            break;
          case 'custom':
            final value = int.tryParse(_customAlarmController.text) ?? 0;
            if (value > 0) {
              Duration duration;
              switch (_customAlarmUnit) {
                case 'min':
                  duration = Duration(minutes: value);
                  break;
                case 'hour':
                  duration = Duration(hours: value);
                  break;
                case 'day':
                  duration = Duration(days: value);
                  break;
                case 'week':
                  duration = Duration(days: value * 7);
                  break;
                default:
                  duration = Duration(minutes: value);
              }
              alarmTime = startDateTime.subtract(duration);
            } else {
              alarmTime = startDateTime;
            }
            break;
        }
      }

      final data = {
        'petId': selectedPet.id,
        'date': startDateTime.toIso8601String(),
        'type': _selectedType,
        'isCompleted': false,
        'title': title,
        'note': _noteController.text.trim().isEmpty
            ? null
            : _noteController.text.trim(),
        'repeatInterval': repeatInterval,
        'repeatUnit': _repeatUnit,
        'isAlarmOn': isAlarmOn,
        'alarmTime': alarmTime?.toIso8601String(),
      };

      await apiService.createSchedule(data);

      if (mounted) {
        context
            .read<PetProvider>()
            .refreshPets(); // Optional: Refresh if needed
        Navigator.pop(context, true); // 성공 시 true 반환
      }
    } catch (e) {
      debugPrint('Error saving schedule: $e');
      if (mounted) {
        ScaffoldMessenger.of(
          context,
        ).showSnackBar(SnackBar(content: Text('일정 저장 실패: $e')));
      }
    } finally {
      if (mounted) {
        setState(() {
          _isSubstituting = false;
        });
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: const CustomAppBar(title: '일정 추가'),
      body: SafeArea(
        child: Column(
          children: [
            Expanded(
              child: SingleChildScrollView(
                padding: EdgeInsets.symmetric(horizontal: 20.w, vertical: 20.h),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.stretch,
                  children: [
                    // 제목 입력
                    TextField(
                      onTap: () {
                        setState(() {
                          _activePicker = null;
                          _isRepeatExpanded = false;
                          _isAlarmExpanded = false;
                        });
                      },
                      controller: _titleController,
                      decoration: InputDecoration(
                        labelText: '일정 제목',
                        floatingLabelStyle: const TextStyle(
                          color: AppColors.highlight,
                        ),
                        hintText: '예: 산책하기, 병원 방문',
                        border: OutlineInputBorder(
                          borderRadius: BorderRadius.circular(12.r),
                        ),
                        enabledBorder: OutlineInputBorder(
                          borderRadius: BorderRadius.circular(12.r),
                          borderSide: BorderSide(color: Colors.grey[300]!),
                        ),
                        focusedBorder: OutlineInputBorder(
                          borderRadius: BorderRadius.circular(12.r),
                          borderSide: const BorderSide(
                            color: AppColors.highlight,
                          ),
                        ),
                        filled: false,
                      ),
                    ),
                    SizedBox(height: 24.h),

                    // 시작 시간 / 종료 시간 (좌우 배치)
                    Row(
                      children: [
                        // 시작 시간
                        Expanded(
                          child: _buildTimeField(
                            label: '시작',
                            type: 'start',
                            time: _startTime,
                          ),
                        ),
                        SizedBox(width: 12.w),
                        // 종료 시간
                        Expanded(
                          child: _buildTimeField(
                            label: '종료',
                            type: 'end',
                            time: _endTime,
                          ),
                        ),
                      ],
                    ),

                    // 피커 영역 (아코디언)
                    AnimatedSize(
                      duration: const Duration(milliseconds: 300),
                      curve: Curves.easeInOut,
                      child: Container(
                        // 피커가 열렸을 때만 공간 차지
                        height: _activePicker != null ? null : 0,
                        margin: _activePicker != null
                            ? EdgeInsets.symmetric(vertical: 10.h)
                            : EdgeInsets.zero,
                        decoration: BoxDecoration(
                          color: Colors.transparent,
                          borderRadius: BorderRadius.circular(12.r),
                          border: Border.all(color: Colors.grey[200]!),
                        ),
                        child: _activePicker != null
                            ? CustomTimePicker(
                                initialTime: _activePicker == 'start'
                                    ? _startTime
                                    : _endTime,
                                onTimeChanged: (newTime) {
                                  if (_activePicker == 'start') {
                                    _onStartTimeChanged(newTime);
                                  } else {
                                    _onEndTimeChanged(newTime);
                                  }
                                },
                              )
                            : const SizedBox.shrink(),
                      ),
                    ),

                    SizedBox(height: _activePicker != null ? 0 : 24.h),

                    // 중요도 선택
                    Row(
                      children: [
                        Expanded(
                          child: _buildTypeButton(
                            '일반',
                            'general',
                            AppColors.subHighlight,
                          ),
                        ),
                        SizedBox(width: 12.w),
                        Expanded(
                          child: _buildTypeButton(
                            '중요',
                            'important',
                            AppColors.highlight,
                          ),
                        ),
                      ],
                    ),
                    SizedBox(height: 16.h),

                    // 반복 설정
                    _buildRepeatSection(),
                    SizedBox(height: 16.h),

                    // 알림 설정
                    _buildAlarmSection(),
                    SizedBox(height: 16.h),

                    // 메모 입력
                    TextField(
                      onTap: () {
                        setState(() {
                          _activePicker = null;
                          _isRepeatExpanded = false;
                          _isAlarmExpanded = false;
                        });
                      },
                      controller: _noteController,
                      maxLines: 3,
                      decoration: InputDecoration(
                        labelText: '메모 (선택)',
                        floatingLabelStyle: const TextStyle(
                          color: AppColors.highlight,
                        ),
                        hintText: '추가적인 내용을 입력하세요',
                        border: OutlineInputBorder(
                          borderRadius: BorderRadius.circular(12.r),
                        ),
                        enabledBorder: OutlineInputBorder(
                          borderRadius: BorderRadius.circular(12.r),
                          borderSide: BorderSide(color: Colors.grey[300]!),
                        ),
                        focusedBorder: OutlineInputBorder(
                          borderRadius: BorderRadius.circular(12.r),
                          borderSide: const BorderSide(
                            color: AppColors.highlight,
                          ),
                        ),
                        filled: false,
                      ),
                    ),
                    SizedBox(height: 24.h),
                  ],
                ),
              ),
            ),
          ],
        ),
      ),
      bottomNavigationBar: SafeArea(
        child: Padding(
          padding: EdgeInsets.all(20.w),
          child: ElevatedButton(
            onPressed: _isSubstituting ? null : _saveSchedule,
            style: ElevatedButton.styleFrom(
              backgroundColor: AppColors.highlight,
              padding: EdgeInsets.symmetric(vertical: 16.h),
              shape: RoundedRectangleBorder(
                borderRadius: BorderRadius.circular(12.r),
              ),
              elevation: 0,
            ),
            child: _isSubstituting
                ? SizedBox(
                    width: 24.w,
                    height: 24.w,
                    child: const CircularProgressIndicator(
                      color: Colors.white,
                      strokeWidth: 2,
                    ),
                  )
                : Text(
                    '저장하기',
                    style: TextStyle(
                      fontFamily: 'SCDream',
                      fontSize: 16.sp,
                      fontWeight: FontWeight.bold,
                      color: Colors.white,
                    ),
                  ),
          ),
        ),
      ),
    );
  }

  String _getAlarmText() {
    switch (_selectedAlarmType) {
      case 'none':
        return '사용 안함';
      case 'start':
        return '일정 시작시간';
      case '10min':
        return '10분 전';
      case '1hour':
        return '1시간 전';
      case '1day':
        return '1일 전';
      case 'custom':
        final value = _customAlarmController.text;
        if (value.isEmpty) return '직접 입력';
        String unitText = '';
        switch (_customAlarmUnit) {
          case 'min':
            unitText = '분 전';
            break;
          case 'hour':
            unitText = '시간 전';
            break;
          case 'day':
            unitText = '일 전';
            break;
          case 'week':
            unitText = '주 전';
            break;
        }
        return '$value$unitText';
      default:
        return '사용 안함';
    }
  }

  Widget _buildAlarmSection() {
    final borderColor = _isAlarmExpanded
        ? AppColors.highlight
        : Colors.grey[300]!;

    return Container(
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(12.r),
        border: Border.all(color: borderColor, width: _isAlarmExpanded ? 2 : 1),
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.stretch,
        children: [
          InkWell(
            onTap: () {
              setState(() {
                _isAlarmExpanded = !_isAlarmExpanded;
                if (_isAlarmExpanded) {
                  _isRepeatExpanded = false; // 다른 섹션 닫기
                  _activePicker = null; // 시간 설정 닫기
                }
              });
            },
            borderRadius: BorderRadius.only(
              topLeft: Radius.circular(12.r),
              topRight: Radius.circular(12.r),
              bottomLeft: Radius.circular(_isAlarmExpanded ? 0 : 12.r),
              bottomRight: Radius.circular(_isAlarmExpanded ? 0 : 12.r),
            ),
            child: Padding(
              padding: EdgeInsets.symmetric(vertical: 16.h, horizontal: 16.w),
              child: Row(
                children: [
                  Text(
                    '알림',
                    style: TextStyle(
                      fontFamily: 'SCDream',
                      fontSize: 12.sp,
                      color: Colors.grey[600],
                    ),
                  ),
                  SizedBox(width: 8.w),
                  Expanded(
                    child: Text(
                      _getAlarmText(),
                      textAlign: TextAlign.right,
                      style: TextStyle(
                        fontFamily: 'SCDream',
                        fontSize: 14.sp,
                        fontWeight: FontWeight.bold,
                        color: _selectedAlarmType != 'none'
                            ? AppColors.highlight
                            : Colors.black,
                      ),
                    ),
                  ),
                  SizedBox(width: 8.w),
                  Icon(
                    _isAlarmExpanded
                        ? Icons.keyboard_arrow_up
                        : Icons.keyboard_arrow_down,
                    color: Colors.grey[400],
                    size: 20.w,
                  ),
                ],
              ),
            ),
          ),
          AnimatedSize(
            duration: const Duration(milliseconds: 300),
            curve: Curves.easeInOut,
            child: Container(
              clipBehavior: Clip.hardEdge,
              decoration: const BoxDecoration(),
              height: _isAlarmExpanded ? null : 0,
              padding: EdgeInsets.fromLTRB(16.w, 0, 16.w, 16.h),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.stretch,
                children: [
                  // Row 1: 사용안함, 시작시간 (위치 변경됨)
                  Row(
                    children: [
                      Expanded(child: _buildAlarmOptionButton('사용 안함', 'none')),
                      SizedBox(width: 8.w),
                      Expanded(
                        child: _buildAlarmOptionButton('일정 시작시간', 'start'),
                      ),
                    ],
                  ),
                  SizedBox(height: 8.h),
                  // Row 2: 10분, 1시간, 1일
                  Row(
                    children: [
                      Expanded(
                        child: _buildAlarmOptionButton('10분 전', '10min'),
                      ),
                      SizedBox(width: 8.w),
                      Expanded(
                        child: _buildAlarmOptionButton('1시간 전', '1hour'),
                      ),
                      SizedBox(width: 8.w),
                      Expanded(child: _buildAlarmOptionButton('1일 전', '1day')),
                    ],
                  ),
                  SizedBox(height: 8.h),
                  // Row 3: 직접입력 버튼 + 입력칸
                  Row(
                    children: [
                      Expanded(
                        child: _buildAlarmOptionButton('직접 입력', 'custom'),
                      ),
                      SizedBox(width: 8.w),
                      Expanded(
                        child: Container(
                          height: 34.h, // 버튼 높이와 비슷하게 조정 (48.h -> 34.h)
                          decoration: BoxDecoration(
                            border: Border.all(color: Colors.grey[300]!),
                            borderRadius: BorderRadius.circular(20.r),
                            color: _selectedAlarmType == 'custom'
                                ? Colors.white
                                : Colors.grey[100],
                          ),
                          alignment: Alignment.center,
                          child: TextField(
                            controller: _customAlarmController,
                            keyboardType: TextInputType.number,
                            textAlign: TextAlign.center,
                            onTap: () {
                              setState(() {
                                _selectedAlarmType = 'custom';
                              });
                            },
                            style: TextStyle(
                              fontFamily: 'SCDream',
                              fontSize: 16.sp,
                              fontWeight: _selectedAlarmType == 'custom'
                                  ? FontWeight.bold
                                  : FontWeight.normal,
                              color: _selectedAlarmType == 'custom'
                                  ? Colors.black
                                  : Colors.grey[400],
                              height: 1.0,
                            ),
                            decoration: InputDecoration(
                              border: InputBorder.none,
                              isCollapsed: true,
                              contentPadding: EdgeInsets.zero,
                              hintText: '0',
                              hintStyle: TextStyle(
                                color: Colors.grey[400],
                                fontSize: 16.sp,
                              ),
                            ),
                          ),
                        ),
                      ),
                    ],
                  ),
                  // Row 4: 단위 버튼 (custom일 때만 표시)
                  if (_selectedAlarmType == 'custom') ...[
                    SizedBox(height: 12.h),
                    Row(
                      children: [
                        Expanded(child: _buildCustomUnitButton('분 전', 'min')),
                        SizedBox(width: 8.w),
                        Expanded(child: _buildCustomUnitButton('시간 전', 'hour')),
                        SizedBox(width: 8.w),
                        Expanded(child: _buildCustomUnitButton('일 전', 'day')),
                        SizedBox(width: 8.w),
                        Expanded(child: _buildCustomUnitButton('주 전', 'week')),
                      ],
                    ),
                  ],
                ],
              ),
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildCustomUnitButton(String label, String unit) {
    final isSelected = _customAlarmUnit == unit;
    return InkWell(
      onTap: () {
        setState(() {
          _customAlarmUnit = unit;
        });
      },
      borderRadius: BorderRadius.circular(20.r),
      child: Container(
        width: double.infinity,
        alignment: Alignment.center,
        padding: EdgeInsets.symmetric(vertical: 8.h),
        decoration: BoxDecoration(
          color: isSelected ? AppColors.highlight : Colors.grey[100],
          borderRadius: BorderRadius.circular(20.r),
        ),
        child: Text(
          label,
          style: TextStyle(
            fontFamily: 'SCDream',
            fontSize: 13.sp,
            color: isSelected ? Colors.white : Colors.grey[600],
            fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
          ),
        ),
      ),
    );
  }

  Widget _buildAlarmOptionButton(String label, String value) {
    final isSelected = _selectedAlarmType == value;
    return InkWell(
      onTap: () {
        setState(() {
          _selectedAlarmType = value;
          if (value == 'custom') {
            // Focus custom input?
          }
        });
      },
      borderRadius: BorderRadius.circular(20.r),
      child: Container(
        width: double.infinity,
        alignment: Alignment.center,
        padding: EdgeInsets.symmetric(vertical: 8.h),
        decoration: BoxDecoration(
          color: isSelected ? AppColors.highlight : Colors.grey[100],
          borderRadius: BorderRadius.circular(20.r),
        ),
        child: Text(
          label,
          style: TextStyle(
            fontFamily: 'SCDream',
            fontSize: 13.sp,
            color: isSelected ? Colors.white : Colors.grey[600],
            fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
          ),
        ),
      ),
    );
  }

  Widget _buildRepeatSection() {
    final borderColor = _isRepeatExpanded
        ? AppColors.highlight
        : Colors.grey[300]!;

    return Container(
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(12.r),
        border: Border.all(
          color: borderColor,
          width: _isRepeatExpanded ? 2 : 1,
        ),
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.stretch,
        children: [
          InkWell(
            onTap: () {
              setState(() {
                _isRepeatExpanded = !_isRepeatExpanded;
                if (_isRepeatExpanded) {
                  _isAlarmExpanded = false; // 다른 섹션 닫기
                  _activePicker = null; // 시간 설정 닫기
                }
              });
            },
            borderRadius: BorderRadius.only(
              topLeft: Radius.circular(12.r),
              topRight: Radius.circular(12.r),
              bottomLeft: Radius.circular(_isRepeatExpanded ? 0 : 12.r),
              bottomRight: Radius.circular(_isRepeatExpanded ? 0 : 12.r),
            ),
            child: Padding(
              padding: EdgeInsets.symmetric(vertical: 16.h, horizontal: 16.w),
              child: Row(
                children: [
                  Text(
                    '반복',
                    style: TextStyle(
                      fontFamily: 'SCDream',
                      fontSize: 12.sp,
                      color: Colors.grey[600],
                    ),
                  ),
                  SizedBox(width: 8.w),
                  Expanded(
                    child: Text(
                      _getRepeatText(),
                      textAlign: TextAlign.right,
                      style: TextStyle(
                        fontFamily: 'SCDream',
                        fontSize: 14.sp,
                        fontWeight: FontWeight.bold,
                        color: _repeatUnit != null
                            ? AppColors.highlight
                            : Colors.black,
                      ),
                    ),
                  ),
                  SizedBox(width: 8.w),
                  Icon(
                    _isRepeatExpanded
                        ? Icons.keyboard_arrow_up
                        : Icons.keyboard_arrow_down,
                    color: Colors.grey[400],
                    size: 20.w,
                  ),
                ],
              ),
            ),
          ),
          AnimatedSize(
            duration: const Duration(milliseconds: 300),
            curve: Curves.easeInOut,
            child: Container(
              clipBehavior: Clip.hardEdge,
              decoration: const BoxDecoration(),
              height: _isRepeatExpanded ? null : 0,
              padding: EdgeInsets.fromLTRB(16.w, 0, 16.w, 16.h),
              child: Column(
                children: [
                  Row(
                    children: [
                      Container(
                        width: 60.w,
                        height: 40.h,
                        margin: EdgeInsets.only(right: 12.w),
                        decoration: BoxDecoration(
                          border: Border.all(color: Colors.grey[300]!),
                          borderRadius: BorderRadius.circular(8.r),
                        ),
                        alignment: Alignment.center,
                        child: TextField(
                          controller: _repeatIntervalController,
                          keyboardType: TextInputType.number,
                          textAlign: TextAlign.center,
                          style: TextStyle(
                            fontFamily: 'SCDream',
                            fontSize: 16.sp,
                            fontWeight: FontWeight.bold,
                            height: 1.0,
                          ),
                          decoration: const InputDecoration(
                            border: InputBorder.none,
                            isCollapsed: true,
                            contentPadding: EdgeInsets.zero,
                          ),
                          onChanged: (value) {
                            if (value == '0') {
                              _repeatIntervalController.text = '1';
                            }
                            setState(() {});
                          },
                        ),
                      ),
                      // 단위 선택 버튼들
                      Expanded(
                        child: SingleChildScrollView(
                          scrollDirection: Axis.horizontal,
                          child: Row(
                            mainAxisAlignment: MainAxisAlignment.start,
                            children: [
                              _buildRepeatUnitButton('일', 'day'),
                              SizedBox(width: 8.w),
                              _buildRepeatUnitButton('주', 'week'),
                              SizedBox(width: 8.w),
                              _buildRepeatUnitButton('개월', 'month'),
                              SizedBox(width: 8.w),
                              _buildRepeatUnitButton('년', 'year'),
                            ],
                          ),
                        ),
                      ),
                    ],
                  ),
                  SizedBox(height: 12.h),
                  // 반복 안 함 버튼 (하단 배치)
                  InkWell(
                    onTap: () {
                      setState(() {
                        _repeatUnit = null;
                      });
                    },
                    borderRadius: BorderRadius.circular(8.r),
                    child: Container(
                      width: double.infinity,
                      padding: EdgeInsets.symmetric(vertical: 10.h),
                      decoration: BoxDecoration(
                        color: _repeatUnit == null
                            ? AppColors.highlight
                            : Colors.grey[100],
                        borderRadius: BorderRadius.circular(8.r),
                      ),
                      alignment: Alignment.center,
                      child: Text(
                        '반복 안 함',
                        style: TextStyle(
                          fontFamily: 'SCDream',
                          fontSize: 14.sp,
                          color: _repeatUnit == null
                              ? Colors.white
                              : Colors.grey[600],
                          fontWeight: _repeatUnit == null
                              ? FontWeight.bold
                              : FontWeight.normal,
                        ),
                      ),
                    ),
                  ),
                ],
              ),
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildRepeatUnitButton(String label, String? unit) {
    final isSelected = _repeatUnit == unit;
    return InkWell(
      onTap: () {
        setState(() {
          _repeatUnit = unit;
        });
      },
      borderRadius: BorderRadius.circular(20.r),
      child: Container(
        padding: EdgeInsets.symmetric(horizontal: 16.w, vertical: 8.h),
        decoration: BoxDecoration(
          color: isSelected ? AppColors.highlight : Colors.grey[100],
          borderRadius: BorderRadius.circular(20.r),
        ),
        child: Text(
          label,
          style: TextStyle(
            fontFamily: 'SCDream',
            fontSize: 14.sp,
            color: isSelected ? Colors.white : Colors.grey[600],
            fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
          ),
        ),
      ),
    );
  }

  Widget _buildTimeField({
    required String label,
    required String type,
    required TimeOfDay time,
  }) {
    final isActive = _activePicker == type;
    final borderColor = isActive ? AppColors.highlight : Colors.grey[300]!;
    final textColor = isActive ? AppColors.highlight : Colors.black;

    return GestureDetector(
      onTap: () {
        setState(() {
          if (_activePicker == type) {
            _activePicker = null; // 이미 열려있으면 닫기
          } else {
            _activePicker = type; // 열기
            _isRepeatExpanded = false; // 다른 섹션 닫기
            _isAlarmExpanded = false; // 다른 섹션 닫기
          }
        });
      },
      child: Container(
        padding: EdgeInsets.symmetric(vertical: 16.h, horizontal: 16.w),
        decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.circular(12.r),
          border: Border.all(color: borderColor, width: isActive ? 2 : 1),
        ),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              label,
              style: TextStyle(
                fontFamily: 'SCDream',
                fontSize: 12.sp,
                color: Colors.grey[600],
              ),
            ),
            SizedBox(height: 4.h),
            Text(
              _formatTime(time),
              style: TextStyle(
                fontFamily: 'SCDream',
                fontSize: 18.sp,
                fontWeight: FontWeight.bold,
                color: textColor,
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildTypeButton(String label, String value, Color color) {
    final isSelected = _selectedType == value;
    return InkWell(
      onTap: () {
        setState(() {
          _selectedType = value;
          _activePicker = null;
          _isRepeatExpanded = false;
          _isAlarmExpanded = false;
        });
      },
      borderRadius: BorderRadius.circular(12.r),
      child: Container(
        padding: EdgeInsets.symmetric(vertical: 12.h),
        decoration: BoxDecoration(
          color: isSelected ? color.withOpacity(0.1) : Colors.transparent,
          border: Border.all(
            color: isSelected ? color : Colors.grey[300]!,
            width: isSelected ? 2 : 1,
          ),
          borderRadius: BorderRadius.circular(12.r),
        ),
        child: Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Container(
              width: 12.w,
              height: 12.w,
              decoration: BoxDecoration(color: color, shape: BoxShape.circle),
            ),
            SizedBox(width: 8.w),
            Text(
              label,
              style: TextStyle(
                fontFamily: 'SCDream',
                fontSize: 14.sp,
                fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
                color: isSelected ? color : Colors.grey[600],
              ),
            ),
          ],
        ),
      ),
    );
  }
}