import 'package:fitnote/models/health.dart';
import 'package:flutter/material.dart';

bool checkHasRecordValue(HealthRecord record, RecordType type) {
  switch (type) {
    case RecordType.weight:
      return record.weight != 0;
    case RecordType.sport:
      return record.sportDuration != 0;
    case RecordType.sleep:
      return record.sleepStartTime != '';
  }
}

// 将字符串时间转换为 TimeOfDay
TimeOfDay parseTime(String timeString) {
  if (timeString.isEmpty) {
    return TimeOfDay.now();
  }
  try {
    final parts = timeString.split(':');
    return TimeOfDay(hour: int.parse(parts[0]), minute: int.parse(parts[1]));
  } catch (e) {
    return TimeOfDay.now();
  }
}

// 将 TimeOfDay 格式化为字符串 (HH:mm)
String formatTime(TimeOfDay time) {
  return '${time.hour.toString().padLeft(2, '0')}:${time.minute.toString().padLeft(2, '0')}';
}

int calSleepMinuteDuration(String startTime, String endTime) {
  final start = parseTime(startTime);
  final end = parseTime(endTime);

  int startMinutes = start.hour * 60 + start.minute;
  int endMinutes = end.hour * 60 + end.minute;

  // 处理跨天情况（如果结束时间小于开始时间，认为是第二天）
  if (endMinutes < startMinutes) {
    endMinutes += 24 * 60;
  }

  return endMinutes - startMinutes;
}

// 计算睡眠时长
String calSleepDuration(String startTime, String endTime) {
  try {
    int durationMinutes = calSleepMinuteDuration(startTime, endTime);
    int hours = durationMinutes ~/ 60;
    int minutes = durationMinutes % 60;

    return '${hours}小时${minutes}分钟';
  } catch (e) {
    return '计算错误';
  }
}

double roundNum(double value) {
  return double.parse(value.toStringAsFixed(2));
}

double calWeightProgress(num currentWeight, num targetWeight, num startWeight) {
  if (currentWeight == 0) return 0.0;
  if (startWeight <= targetWeight) return 0.0;
  if (currentWeight <= targetWeight) return 1.0;

  num totalToLose = startWeight - targetWeight;
  num alreadyLost = startWeight - currentWeight;

  return formatProgress((alreadyLost / totalToLose).clamp(0.0, 1.0));
}

double formatProgress(double value) {
  final result = roundNum(value);

  if (result >= 1) {
    return 1;
  } else {
    return result;
  }
}

String formatContent(HealthRecord record, RecordType type) {
  late String title;
  switch (type) {
    case RecordType.weight:
      title = "${record.weight} kg";
    case RecordType.sport:
      title = "${record.sportProject} · ${record.sportDuration} 分钟";
    case RecordType.sleep:
      final startTime = record.sleepStartTime;
      final endTime = record.sleepEndTime;
      if (startTime.isNotEmpty && endTime.isNotEmpty) {
        final duration = calSleepDuration(startTime, endTime);
        title = "入睡 $startTime · 起床 $endTime \n${duration}";
      } else if (startTime.isNotEmpty) {
        title = "入睡 $startTime";
      } else if (endTime.isNotEmpty) {
        title = "起床 $endTime";
      }
  }

  return title;
}