import dayjs from 'dayjs';
import { useCallback, useEffect, useState } from 'react';
import { NativeModules } from 'react-native';

const { HealthKitManager } = NativeModules;

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

/**
 * 专用于获取运动消耗卡路里的hook
 * 避免使用完整的healthData对象，提升性能
 */
export function useActiveCalories(selectedDate?: Date) {
  const [activeCalories, setActiveCalories] = useState<number>(0);
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const fetchActiveCalories = useCallback(async (date: Date) => {
    try {
      setLoading(true);
      setError(null);

      const options: HealthDataOptions = {
        startDate: dayjs(date).startOf('day').toDate().toISOString(),
        endDate: dayjs(date).endOf('day').toDate().toISOString()
      };

      const result = await HealthKitManager.getActiveEnergyBurned(options);

      if (result && result.totalValue !== undefined) {
        setActiveCalories(Math.round(result.totalValue));
      } else {
        setActiveCalories(0);
      }
    } catch (err) {
      console.error('获取运动消耗卡路里失败:', err);
      setError(err instanceof Error ? err.message : '获取运动消耗卡路里失败');
      setActiveCalories(0);
    } finally {
      setLoading(false);
    }
  }, []);

  useEffect(() => {
    const targetDate = selectedDate || new Date();
    fetchActiveCalories(targetDate);
  }, [selectedDate, fetchActiveCalories]);

  return {
    activeCalories,
    loading,
    error,
    refetch: () => fetchActiveCalories(selectedDate || new Date())
  };
}