import dayjs from 'dayjs';
import { AppState, AppStateStatus, NativeModules } from 'react-native';
import { SimpleEventEmitter } from './SimpleEventEmitter';

type HealthDataOptions = {
  startDate: string;
  endDate: string;
};

// React Native bridge to native HealthKitManager
const { HealthKitManager } = NativeModules;

// HealthKit权限状态枚举
export enum HealthPermissionStatus {
  Unknown = 'unknown',
  Authorized = 'authorized',
  Denied = 'denied',
  NotDetermined = 'notDetermined'
}

// 权限状态管理类
class HealthPermissionManager extends SimpleEventEmitter {
  private permissionStatus: HealthPermissionStatus = HealthPermissionStatus.Unknown;
  private isChecking: boolean = false;
  private lastCheckTime: number = 0;
  private checkInterval: number = 5000; // 5秒检查间隔，避免频繁检查
  private appStateSubscription: any = null;

  constructor() {
    super();
    this.setupAppStateListener();
  }

  // 设置应用状态监听
  private setupAppStateListener() {
    this.appStateSubscription = AppState.addEventListener('change', this.handleAppStateChange.bind(this));
  }

  // 处理应用状态变化
  private handleAppStateChange(nextAppState: AppStateStatus) {
    if (nextAppState === 'active') {
      // 应用回到前台时检查权限状态
      console.log('应用回到前台，检查HealthKit权限状态...');
      this.checkPermissionStatus(true);
    }
  }

  // 获取当前权限状态
  public getPermissionStatus(): HealthPermissionStatus {
    return this.permissionStatus;
  }

  // 设置权限状态
  private setPermissionStatus(status: HealthPermissionStatus, shouldEmit: boolean = true) {
    const oldStatus = this.permissionStatus;
    this.permissionStatus = status;

    if (shouldEmit && oldStatus !== status) {
      console.log(`HealthKit权限状态变化: ${oldStatus} -> ${status}`);
      this.emit('permissionStatusChanged', status, oldStatus);
    }
  }

  // 检查权限状态（通过尝试读取数据来间接判断）
  public async checkPermissionStatus(forceCheck: boolean = false): Promise<HealthPermissionStatus> {
    const now = Date.now();

    // 避免频繁检查
    if (!forceCheck && this.isChecking) {
      return this.permissionStatus;
    }

    if (!forceCheck && (now - this.lastCheckTime) < this.checkInterval) {
      return this.permissionStatus;
    }

    this.isChecking = true;
    this.lastCheckTime = now;

    try {
      // 尝试获取简单的步数数据来检测权限
      const today = new Date();
      const options = {
        startDate: dayjs(today).startOf('day').toDate().toISOString(),
        endDate: dayjs(today).endOf('day').toDate().toISOString()
      };

      const result = await HealthKitManager.getStepCount(options);

      if (result && result.totalValue !== undefined) {
        // 能够获取数据，说明有权限
        this.setPermissionStatus(HealthPermissionStatus.Authorized);
      } else if (result && result.error) {
        // 有错误返回，可能是权限被拒绝
        this.setPermissionStatus(HealthPermissionStatus.Denied);
      } else {
        // 其他情况
        this.setPermissionStatus(HealthPermissionStatus.Unknown);
      }
    } catch (error) {
      console.log('HealthKit权限检查失败，可能是权限被拒绝:', error);
      this.setPermissionStatus(HealthPermissionStatus.Denied);
    } finally {
      this.isChecking = false;
    }

    return this.permissionStatus;
  }

  // 请求权限
  public async requestPermission(): Promise<boolean> {
    try {
      console.log('开始请求HealthKit权限...');
      const result = await HealthKitManager.requestAuthorization();

      if (result && result.success) {
        console.log('HealthKit权限请求成功');
        this.setPermissionStatus(HealthPermissionStatus.Authorized);

        // 权限获取成功后触发数据刷新事件
        this.emit('permissionGranted');
        return true;
      } else {
        console.error('HealthKit权限请求失败');
        this.setPermissionStatus(HealthPermissionStatus.Denied);
        return false;
      }
    } catch (error) {
      console.error('HealthKit权限请求出现异常:', error);
      this.setPermissionStatus(HealthPermissionStatus.Denied);
      return false;
    }
  }

  // 清理资源
  public destroy() {
    if (this.appStateSubscription) {
      this.appStateSubscription.remove();
    }
    this.removeAllListeners();
  }
}

// 全局权限管理实例
export const healthPermissionManager = new HealthPermissionManager();

// Interface for activity summary data from HealthKit
export interface HealthActivitySummary {
  activeEnergyBurned: number;
  activeEnergyBurnedGoal: number;
  appleExerciseTime: number;
  appleExerciseTimeGoal: number;
  appleStandHours: number;
  appleStandHoursGoal: number;
  dateComponents: {
    day: number;
    month: number;
    year: number;
  };
}


// const PERMISSIONS: HealthKitPermissions = {
//   permissions: {
//     read: [
//       AppleHealthKit.Constants.Permissions.StepCount,
//       AppleHealthKit.Constants.Permissions.ActiveEnergyBurned,
//       AppleHealthKit.Constants.Permissions.BasalEnergyBurned,
//       AppleHealthKit.Constants.Permissions.SleepAnalysis,
//       AppleHealthKit.Constants.Permissions.HeartRateVariability,
//       AppleHealthKit.Constants.Permissions.ActivitySummary,
//       AppleHealthKit.Constants.Permissions.OxygenSaturation,
//       AppleHealthKit.Constants.Permissions.HeartRate,
//       AppleHealthKit.Constants.Permissions.Water,
//       // 添加 Apple Exercise Time 和 Apple Stand Time 权限
//       AppleHealthKit.Constants.Permissions.AppleExerciseTime,
//       AppleHealthKit.Constants.Permissions.AppleStandTime,
//     ],
//     write: [
//       // 支持体重写入
//       AppleHealthKit.Constants.Permissions.Weight,
//       // 支持饮水量写入
//       AppleHealthKit.Constants.Permissions.Water,
//     ],
//   },
// };

export type HourlyStepData = {
  hour: number; // 0-23
  steps: number;
};

export type HourlyActivityData = {
  hour: number; // 0-23
  calories: number; // 活动热量
};

export type HourlyExerciseData = {
  hour: number; // 0-23
  minutes: number; // 锻炼分钟数
};

export type HourlyStandData = {
  hour: number; // 0-23
  hasStood: number; // 1表示该小时有站立，0表示没有
};

export type TodayHealthData = {
  activeEnergyBurned: number; // kilocalories
  basalEnergyBurned: number; // kilocalories - 基础代谢率
  hrv: number | null; // 心率变异性 (ms)
  // 健身圆环数据
  activeCalories: number;
  activeCaloriesGoal: number;
  exerciseMinutes: number;
  exerciseMinutesGoal: number;
  standHours: number;
  standHoursGoal: number;
  heartRate: number | null;
};

// 更新：使用新的权限管理系统
export async function ensureHealthPermissions(): Promise<boolean> {
  return await healthPermissionManager.requestPermission();
}

// 获取当前权限状态
export function getHealthPermissionStatus(): HealthPermissionStatus {
  return healthPermissionManager.getPermissionStatus();
}

// 检查权限状态
export async function checkHealthPermissionStatus(forceCheck: boolean = false): Promise<HealthPermissionStatus> {
  return await healthPermissionManager.checkPermissionStatus(forceCheck);
}

// 日期工具函数
function createDateRange(date: Date): HealthDataOptions {
  return {
    startDate: dayjs(date).startOf('day').toDate().toISOString(),
    endDate: dayjs(date).endOf('day').toDate().toISOString()
  };
}

// Note: createSleepDateRange and calculateSleepDuration functions removed as unused

// 通用错误处理
function logError(operation: string, error: any): void {
  console.error(`获取${operation}失败:`, error);
}

function logWarning(operation: string, message: string): void {
  console.warn(`${operation}数据${message}`);
}

function logSuccess(operation: string, data: any): void {
  console.log(`${operation}数据:`, data);
}

// 数值验证和转换
function validateOxygenSaturation(value: any): number | null {
  if (value === undefined || value === null) return null;

  let numValue = Number(value);

  // 如果值小于1，可能是小数形式（0.0-1.0），需要转换为百分比
  if (numValue > 0 && numValue < 1) {
    numValue = numValue * 100;
  }

  // 血氧饱和度通常在0-100之间，验证数据有效性
  if (numValue >= 0 && numValue <= 100) {
    return Number(numValue.toFixed(1));
  }

  console.warn('血氧饱和度数据异常:', numValue);
  return null;
}

function validateHeartRate(value: any): number | null {
  if (value === undefined || value === null) return null;

  const numValue = Number(value);

  // 心率通常在30-200之间，验证数据有效性
  if (numValue >= 30 && numValue <= 200) {
    return Math.round(numValue);
  }

  console.warn('心率数据异常:', numValue);
  return null;
}

// 健康数据获取函数
export async function fetchStepCount(date: Date): Promise<number> {
  try {
    const options = createDateRange(date);
    const result = await HealthKitManager.getStepCount(options);

    if (result && result.totalValue !== undefined) {
      logSuccess('步数', result);
      return Math.round(result.totalValue);
    } else {
      logWarning('步数', '为空或格式错误');
      return 0;
    }
  } catch (error) {
    logError('步数', error);
    return 0;
  }
}


// 使用样本数据获取每小时步数
export async function fetchHourlyStepSamples(date: Date): Promise<HourlyStepData[]> {
  try {
    const options = createDateRange(date);
    const result = await HealthKitManager.getDailyStepCountSamples(options);

    if (result && result.data && Array.isArray(result.data)) {
      logSuccess('每小时步数样本', result);

      // 初始化24小时数据
      const hourlyData: HourlyStepData[] = Array.from({ length: 24 }, (_, i) => ({
        hour: i,
        steps: 0
      }));

      // 将每小时的步数样本数据映射到对应的小时
      result.data.forEach((sample: any) => {
        if (sample && sample.hour !== undefined && sample.value !== undefined) {
          const hour = sample.hour;
          if (hour >= 0 && hour < 24) {
            hourlyData[hour].steps = Math.round(sample.value);
          }
        }
      });

      return hourlyData;
    } else {
      logWarning('每小时步数', '为空或格式错误');
      return Array.from({ length: 24 }, (_, i) => ({ hour: i, steps: 0 }));
    }
  } catch (error) {
    logError('每小时步数样本', error);
    return Array.from({ length: 24 }, (_, i) => ({ hour: i, steps: 0 }));
  }
}

// 获取每小时活动热量数据
async function fetchHourlyActiveCalories(date: Date): Promise<HourlyActivityData[]> {
  try {
    const options = createDateRange(date);
    const result = await HealthKitManager.getHourlyActiveEnergyBurned(options);

    if (result && result.data && Array.isArray(result.data)) {
      logSuccess('每小时活动热量', result);

      // 初始化24小时数据
      const hourlyData: HourlyActivityData[] = Array.from({ length: 24 }, (_, i) => ({
        hour: i,
        calories: 0
      }));

      // 将API返回的数据映射到对应的小时
      result.data.forEach((sample: any) => {
        if (sample && sample.hour !== undefined && sample.value !== undefined) {
          const hour = sample.hour;
          if (hour >= 0 && hour < 24) {
            hourlyData[hour].calories = Math.round(sample.value);
          }
        }
      });

      return hourlyData;
    } else {
      logWarning('每小时活动热量', '为空或格式错误');
      return Array.from({ length: 24 }, (_, i) => ({ hour: i, calories: 0 }));
    }
  } catch (error) {
    logError('每小时活动热量', error);
    return Array.from({ length: 24 }, (_, i) => ({ hour: i, calories: 0 }));
  }
}

// 获取每小时锻炼分钟数据
async function fetchHourlyExerciseMinutes(date: Date): Promise<HourlyExerciseData[]> {
  try {
    const options = createDateRange(date);
    const result = await HealthKitManager.getHourlyExerciseTime(options);

    if (result && result.data && Array.isArray(result.data)) {
      logSuccess('每小时锻炼分钟', result);

      // 初始化24小时数据
      const hourlyData: HourlyExerciseData[] = Array.from({ length: 24 }, (_, i) => ({
        hour: i,
        minutes: 0
      }));

      // 将API返回的数据映射到对应的小时
      result.data.forEach((sample: any) => {
        if (sample && sample.hour !== undefined && sample.value !== undefined) {
          const hour = sample.hour;
          if (hour >= 0 && hour < 24) {
            hourlyData[hour].minutes = Math.round(sample.value);
          }
        }
      });

      return hourlyData;
    } else {
      logWarning('每小时锻炼分钟', '为空或格式错误');
      return Array.from({ length: 24 }, (_, i) => ({ hour: i, minutes: 0 }));
    }
  } catch (error) {
    logError('每小时锻炼分钟', error);
    return Array.from({ length: 24 }, (_, i) => ({ hour: i, minutes: 0 }));
  }
}

// 获取每小时站立小时数据
async function fetchHourlyStandHours(date: Date): Promise<number[]> {
  try {
    const options = createDateRange(date);
    const result = await HealthKitManager.getHourlyStandHours(options);

    if (result && result.data && Array.isArray(result.data)) {
      logSuccess('每小时站立数据', result);

      // 初始化24小时数据
      const hourlyData: number[] = Array.from({ length: 24 }, () => 0);

      // 将API返回的数据映射到对应的小时
      result.data.forEach((sample: any) => {
        if (sample && sample.hour !== undefined && sample.value !== undefined) {
          const hour = sample.hour;
          if (hour >= 0 && hour < 24) {
            hourlyData[hour] = sample.value;
          }
        }
      });

      return hourlyData;
    } else {
      logWarning('每小时站立数据', '为空或格式错误');
      return Array.from({ length: 24 }, () => 0);
    }
  } catch (error) {
    logError('每小时站立数据', error);
    return Array.from({ length: 24 }, () => 0);
  }
}

async function fetchActiveEnergyBurned(options: HealthDataOptions): Promise<number> {
  try {
    const result = await HealthKitManager.getActiveEnergyBurned(options);

    if (result && result.totalValue !== undefined) {
      logSuccess('消耗卡路里', result);
      return result.totalValue;
    } else {
      logWarning('卡路里', '为空或格式错误');
      return 0;
    }
  } catch (error) {
    logError('消耗卡路里', error);
    return 0;
  }
}

async function fetchBasalEnergyBurned(options: HealthDataOptions): Promise<number> {
  try {
    const result = await HealthKitManager.getBasalEnergyBurned(options);

    if (result && result.totalValue !== undefined) {
      logSuccess('基础代谢', result);
      return result.totalValue;
    } else {
      logWarning('基础代谢', '为空或格式错误');
      return 0;
    }
  } catch (error) {
    logError('基础代谢', error);
    return 0;
  }
}

async function fetchHeartRateVariability(options: HealthDataOptions): Promise<number | null> {
  try {
    console.log('=== 开始获取HRV数据 ===');
    console.log('查询选项:', options);

    const result = await HealthKitManager.getHeartRateVariabilitySamples(options);
    console.log('HRV API调用结果:', result);

    if (result && result.data && Array.isArray(result.data) && result.data.length > 0) {
      const hrvValue = result.data[0].value;
      logSuccess('HRV数据', result);
      return Math.round(hrvValue); // Value already in ms from native
    } else {
      logWarning('HRV', '为空或格式错误');
      console.warn('HRV数据为空，原始响应:', result);
      return null;
    }
  } catch (error) {
    logError('HRV数据', error);
    console.error('HRV获取错误详情:', error);
    return null;
  }
}

async function fetchActivitySummary(options: HealthDataOptions): Promise<HealthActivitySummary | null> {
  try {
    const result = await HealthKitManager.getActivitySummary(options);

    if (result && Array.isArray(result) && result.length > 0) {
      logSuccess('ActivitySummary', result[0]);
      return result[0];
    } else {
      logWarning('ActivitySummary', '为空');
      return null;
    }
  } catch (error) {
    logError('ActivitySummary', error);
    return null;
  }
}

export async function fetchOxygenSaturation(options: HealthDataOptions): Promise<number | null> {
  try {
    const result = await HealthKitManager.getOxygenSaturationSamples(options);

    if (result && result.data && Array.isArray(result.data) && result.data.length > 0) {
      logSuccess('血氧饱和度', result);
      const latestOxygen = result.data[result.data.length - 1];
      return validateOxygenSaturation(latestOxygen?.value);
    } else {
      logWarning('血氧饱和度', '为空或格式错误');
      return null;
    }
  } catch (error) {
    logError('血氧饱和度', error);
    return null;
  }
}

async function fetchHeartRate(options: HealthDataOptions): Promise<number | null> {
  try {
    const result = await HealthKitManager.getHeartRateSamples(options);

    if (result && result.data && Array.isArray(result.data) && result.data.length > 0) {
      logSuccess('心率', result);
      const latestHeartRate = result.data[result.data.length - 1];
      return validateHeartRate(latestHeartRate?.value);
    } else {
      logWarning('心率', '为空或格式错误');
      return null;
    }
  } catch (error) {
    logError('心率', error);
    return null;
  }
}

// 获取指定时间范围内的最大心率
export async function fetchMaximumHeartRate(_options: HealthDataOptions): Promise<number | null> {
  try {
    // 暂未实现，返回null
    console.log('最大心率获取暂未实现');
    return null;

    // const result = await HealthKitManager.getHeartRateSamples(options);

    // if (result && result.data && Array.isArray(result.data) && result.data.length > 0) {
    //   // 从所有心率样本中找出最大值
    //   let maxHeartRate = 0;
    //   let validSamplesCount = 0;

    //   result.data.forEach((sample: any) => {
    //     if (sample && sample.value !== undefined) {
    //       const heartRate = validateHeartRate(sample.value);
    //       if (heartRate !== null) {
    //         maxHeartRate = Math.max(maxHeartRate, heartRate);
    //         validSamplesCount++;
    //       }
    //     }
    //   });

    //   if (validSamplesCount > 0 && maxHeartRate > 0) {
    //     logSuccess('最大心率', { maxHeartRate, validSamplesCount });
    //     return maxHeartRate;
    //   } else {
    //     logWarning('最大心率', '没有找到有效的样本数据');
    //     return null;
    //   }
    // } else {
    //   logWarning('最大心率', '为空或格式错误');
    //   return null;
    // }
  } catch (error) {
    logError('最大心率', error);
    return null;
  }
}

// 默认健康数据
function getDefaultHealthData(): TodayHealthData {
  return {
    activeEnergyBurned: 0,
    basalEnergyBurned: 0,
    hrv: null,
    activeCalories: 0,
    activeCaloriesGoal: 350,
    exerciseMinutes: 0,
    exerciseMinutesGoal: 30,
    standHours: 0,
    standHoursGoal: 12,
    heartRate: null,
  };
}

export async function fetchHealthDataForDate(date: Date): Promise<TodayHealthData> {
  try {
    console.log('开始获取指定日期健康数据...', date);

    const options = createDateRange(date);
    console.log('查询选项:', options);

    // 并行获取所有健康数据
    const [
      activeEnergyBurned,
      basalEnergyBurned,
      hrv,
      activitySummary,
      heartRate
    ] = await Promise.all([
      fetchActiveEnergyBurned(options),
      fetchBasalEnergyBurned(options),
      fetchHeartRateVariability(options),
      fetchActivitySummary(options),
      fetchHeartRate(options)
    ]);

    return {
      activeEnergyBurned,
      basalEnergyBurned,
      hrv,
      activeCalories: Math.round(activitySummary?.activeEnergyBurned || 0),
      activeCaloriesGoal: Math.round(activitySummary?.activeEnergyBurnedGoal || 350),
      exerciseMinutes: Math.round(activitySummary?.appleExerciseTime || 0),
      exerciseMinutesGoal: Math.round(activitySummary?.appleExerciseTimeGoal || 30),
      standHours: Math.round(activitySummary?.appleStandHours || 0),
      standHoursGoal: Math.round(activitySummary?.appleStandHoursGoal || 12),
      heartRate
    };
  } catch (error) {
    console.error('获取指定日期健康数据失败:', error);
    return getDefaultHealthData();
  }
}

export async function fetchTodayHealthData(): Promise<TodayHealthData> {
  return fetchHealthDataForDate(dayjs().toDate());
}

export async function fetchHRVForDate(date: Date): Promise<number | null> {
  console.log('开始获取指定日期HRV数据...', date);
  const options = createDateRange(date);
  return fetchHeartRateVariability(options);
}

export async function fetchTodayHRV(): Promise<number | null> {
  return fetchHRVForDate(dayjs().toDate());
}

// 获取最近几小时内的实时HRV数据
export async function fetchRecentHRV(hoursBack: number = 2): Promise<number | null> {
  console.log(`开始获取最近${hoursBack}小时内的HRV数据...`);

  const now = new Date();
  const options = {
    startDate: dayjs(now).subtract(hoursBack, 'hour').toDate().toISOString(),
    endDate: now.toISOString()
  };

  return fetchHeartRateVariability(options);
}

// 测试HRV数据获取功能
export async function testHRVDataFetch(date: Date = dayjs().toDate()): Promise<void> {
  console.log('=== 开始测试HRV数据获取 ===');

  try {
    // 首先确保权限
    const hasPermission = await ensureHealthPermissions();
    if (!hasPermission) {
      console.error('没有健康数据权限，无法测试HRV');
      return;
    }

    console.log('权限检查通过，开始获取HRV数据...');

    // 测试不同时间范围的HRV数据
    const options = createDateRange(date);

    // 获取今日HRV
    const todayHRV = await fetchHeartRateVariability(options);
    console.log('今日HRV结果:', todayHRV);

    // 获取最近2小时HRV
    const recentHRV = await fetchRecentHRV(2);
    console.log('最近2小时HRV结果:', recentHRV);

    // 获取指定日期HRV
    const dateHRV = await fetchHRVForDate(date);
    console.log('指定日期HRV结果:', dateHRV);

    console.log('=== HRV数据测试完成 ===');
  } catch (error) {
    console.error('HRV测试过程中出现错误:', error);
  }
}

// 更新healthkit中的体重 (暂未实现)
export async function updateWeight(_weight: number) {
  try {
    // Note: Weight saving would need to be implemented in native module
    console.log('体重保存到HealthKit暂未实现');
    return true; // Return true for now to not break existing functionality
  } catch (error) {
    console.error('更新体重失败:', error);
    return false;
  }
}

export async function testOxygenSaturationData(_date: Date = dayjs().toDate()): Promise<void> {
  console.log('=== 开始测试血氧饱和度数据获取 ===');

  // const options = createDateRange(date);

  try {
    // const result = await HealthKitManager.getOxygenSaturationSamples(options);

    // console.log('原始血氧饱和度数据:', result);

    // if (!result || !result.data || !Array.isArray(result.data) || result.data.length === 0) {
    //   console.warn('血氧饱和度数据为空');
    //   return;
    // }

    // // 分析所有数据样本
    // result.data.forEach((sample: any, index: number) => {
    //   console.log(`样本 ${index + 1}:`, {
    //     value: sample.value,
    //     valueType: typeof sample.value,
    //     startDate: sample.startDate,
    //     endDate: sample.endDate
    //   });
    // });

    // // 获取最新的血氧饱和度值并验证
    // const latestOxygen = result.data[result.data.length - 1];
    // if (latestOxygen?.value !== undefined && latestOxygen?.value !== null) {
    //   const processedValue = validateOxygenSaturation(latestOxygen.value);

    //   console.log('处理前的值:', latestOxygen.value);
    //   console.log('最终处理后的值:', processedValue);
    //   console.log('数据有效性检查:', processedValue !== null ? '有效' : '无效');
    // }

    // console.log('=== 血氧饱和度数据测试完成 ===');
  } catch (error) {
    console.error('获取血氧饱和度失败:', error);
  }
}

// 添加饮水记录到 HealthKit (暂未实现)
export async function saveWaterIntakeToHealthKit(_amount: number, _recordedAt?: string): Promise<boolean> {
  try {
    // Note: Water intake saving would need to be implemented in native module
    console.log('饮水记录保存到HealthKit暂未实现');
    return true; // Return true for now to not break existing functionality
  } catch (error) {
    console.error('添加饮水记录到 HealthKit 失败:', error);
    return false;
  }
}

// 获取 HealthKit 中的饮水记录 (暂未实现)
export async function getWaterIntakeFromHealthKit(_options: HealthDataOptions): Promise<any[]> {
  try {
    // Note: Water intake fetching would need to be implemented in native module
    console.log('从HealthKit获取饮水记录暂未实现');
    return [];
  } catch (error) {
    console.error('获取 HealthKit 饮水记录失败:', error);
    return [];
  }
}

// 删除 HealthKit 中的饮水记录
// 注意: react-native-health 库可能不支持直接删除特定记录，这个功能可能需要手动实现或使用其他方法
export async function deleteWaterIntakeFromHealthKit(recordId: string, recordedAt: string): Promise<boolean> {
  // HealthKit 通常不支持直接删除单条记录
  // 这是一个占位函数，实际实现可能需要更复杂的逻辑
  console.log('注意: HealthKit 通常不支持直接删除单条饮水记录');
  console.log('记录信息:', { recordId, recordedAt });

  // 返回 true 表示"成功"（但实际上可能没有真正删除）
  return Promise.resolve(true);
}

// 获取当前小时的站立状态
export async function getCurrentHourStandStatus(): Promise<{ hasStood: boolean; standHours: number; standHoursGoal: number }> {
  try {
    const currentHour = new Date().getHours();
    console.log(`检查当前小时 ${currentHour} 的站立状态...`);

    // 获取今日健康数据
    const todayHealthData = await fetchTodayHealthData();

    return {
      hasStood: todayHealthData.standHours > currentHour - 1, // 如果站立小时数大于当前小时-1，说明当前小时已站立
      standHours: todayHealthData.standHours,
      standHoursGoal: todayHealthData.standHoursGoal
    };
  } catch (error) {
    console.error('获取当前小时站立状态失败:', error);
    return {
      hasStood: true, // 默认认为已站立，避免过度提醒
      standHours: 0,
      standHoursGoal: 12
    };
  }
}

// === 专门为健身圆环详情页提供的独立函数 ===

// 精简的活动圆环数据类型，只包含必要字段
export type ActivityRingsData = {
  // 活动圆环数据（来自 getActivitySummary）
  activeEnergyBurned: number;        // activeEnergyBurned
  activeEnergyBurnedGoal: number;    // activeEnergyBurnedGoal
  appleExerciseTime: number;         // appleExerciseTime (分钟)
  appleExerciseTimeGoal: number;     // appleExerciseTimeGoal
  appleStandHours: number;           // appleStandHours
  appleStandHoursGoal: number;       // appleStandHoursGoal
};

// 导出每小时活动热量数据获取函数
export async function fetchHourlyActiveCaloriesForDate(date: Date): Promise<HourlyActivityData[]> {
  return fetchHourlyActiveCalories(date);
}

// 导出每小时锻炼分钟数据获取函数
export async function fetchHourlyExerciseMinutesForDate(date: Date): Promise<HourlyExerciseData[]> {
  return fetchHourlyExerciseMinutes(date);
}

// 导出每小时站立数据获取函数
export async function fetchHourlyStandHoursForDate(date: Date): Promise<HourlyStandData[]> {
  const hourlyStandData = await fetchHourlyStandHours(date);
  return hourlyStandData.map((hasStood, hour) => ({
    hour,
    hasStood
  }));
}

// 专门为活动圆环详情页获取精简的数据
export async function fetchActivityRingsForDate(date: Date): Promise<ActivityRingsData | null> {
  try {
    console.log('获取活动圆环数据...', date);
    const options = createDateRange(date);

    const activitySummary = await fetchActivitySummary(options);

    if (!activitySummary) {
      console.warn('ActivitySummary 数据为空');
      return null;
    }

    // 直接使用 getActivitySummary 返回的字段名，与文档保持一致
    return {
      activeEnergyBurned: Math.round(activitySummary.activeEnergyBurned || 0),
      activeEnergyBurnedGoal: Math.round(activitySummary.activeEnergyBurnedGoal || 350),
      appleExerciseTime: Math.round(activitySummary.appleExerciseTime || 0),
      appleExerciseTimeGoal: Math.round(activitySummary.appleExerciseTimeGoal || 30),
      appleStandHours: Math.round(activitySummary.appleStandHours || 0),
      appleStandHoursGoal: Math.round(activitySummary.appleStandHoursGoal || 12),
    };
  } catch (error) {
    console.error('获取活动圆环数据失败:', error);
    return null;
  }
}

// === 权限管理工具函数 ===

// 初始化健康权限管理（应在应用启动时调用）
export function initializeHealthPermissions() {
  console.log('初始化HealthKit权限管理系统...');

  // 延迟检查权限状态，避免应用启动时的性能影响
  setTimeout(() => {
    healthPermissionManager.checkPermissionStatus(true);
  }, 1000);
}

// 监听权限状态变化（用于组件外部使用）
export function addHealthPermissionListener(
  event: 'permissionStatusChanged' | 'permissionGranted',
  listener: (...args: any[]) => void
) {
  healthPermissionManager.on(event, listener);
}

// 移除权限状态监听器
export function removeHealthPermissionListener(
  event: 'permissionStatusChanged' | 'permissionGranted',
  listener: (...args: any[]) => void
) {
  healthPermissionManager.off(event, listener);
}

// 清理权限管理资源（应在应用退出时调用）
export function cleanupHealthPermissions() {
  console.log('清理HealthKit权限管理资源...');
  healthPermissionManager.destroy();
}

// 获取权限状态的可读文本
export function getPermissionStatusText(status: HealthPermissionStatus): string {
  switch (status) {
    case HealthPermissionStatus.Authorized:
      return '已授权';
    case HealthPermissionStatus.Denied:
      return '已拒绝';
    case HealthPermissionStatus.NotDetermined:
      return '未确定';
    case HealthPermissionStatus.Unknown:
    default:
      return '未知';
  }
}

// 检查是否需要显示权限请求UI
export function shouldShowPermissionRequest(): boolean {
  const status = healthPermissionManager.getPermissionStatus();
  return status === HealthPermissionStatus.NotDetermined ||
    status === HealthPermissionStatus.Unknown;
}

// 检查是否权限被用户拒绝
export function isPermissionDenied(): boolean {
  const status = healthPermissionManager.getPermissionStatus();
  return status === HealthPermissionStatus.Denied;
}