/**
 * 热点概览数据获取 Hook
 * 负责获取指数分时数据和概念异动数据
 */
import { useState, useEffect, useCallback, useRef } from 'react';
import { logger } from '@utils/logger';

/**
 * @param {Date|null} selectedDate - 选中的交易日期
 * @returns {Object} 数据和状态
 */
export const useHotspotData = (selectedDate) => {
  const [loading, setLoading] = useState(true);
  const [error, setError] = useState(null);
  const [data, setData] = useState(null);

  // 用于防止 React StrictMode 下的双重请求
  const fetchingRef = useRef(false);
  const lastDateRef = useRef(null);

  const fetchData = useCallback(async (forceRefetch = false) => {
    // 获取日期字符串用于比较
    const dateStr = selectedDate ? selectedDate.toISOString().split('T')[0] : 'today';

    // 如果正在请求中，或者日期未变化且不是强制刷新，跳过
    if (fetchingRef.current && !forceRefetch) {
      return;
    }
    if (lastDateRef.current === dateStr && data && !forceRefetch) {
      return;
    }

    fetchingRef.current = true;
    setLoading(true);
    setError(null);

    try {
      const dateParam = selectedDate
        ? `?date=${dateStr}`
        : '';
      const response = await fetch(`/api/market/hotspot-overview${dateParam}`);
      const result = await response.json();

      if (result.success) {
        setData(result.data);
        lastDateRef.current = dateStr;
      } else {
        setError(result.error || '获取数据失败');
      }
    } catch (err) {
      logger.error('useHotspotData', 'fetchData', err);
      setError('网络请求失败');
    } finally {
      setLoading(false);
      fetchingRef.current = false;
    }
  }, [selectedDate, data]);

  useEffect(() => {
    fetchData();
  }, [fetchData]);

  return {
    loading,
    error,
    data,
    refetch: () => fetchData(true),
  };
};

export default useHotspotData;