// src/views/Company/hooks/useStockQuote.js
// 股票行情数据获取 Hook

import { useState, useEffect } from 'react';
import { stockService } from '@services/eventService';
import { logger } from '@utils/logger';

/**
 * 将 API 响应数据转换为 StockQuoteCard 所需格式
 */
const transformQuoteData = (apiData, stockCode) => {
  if (!apiData) return null;

  return {
    // 基础信息
    name: apiData.name || apiData.stock_name || '未知',
    code: apiData.code || apiData.stock_code || stockCode,
    indexTags: apiData.index_tags || apiData.indexTags || [],
    industry: apiData.industry || apiData.sw_industry_l2 || '',
    industryL1: apiData.industry_l1 || apiData.sw_industry_l1 || '',

    // 价格信息
    currentPrice: apiData.current_price || apiData.currentPrice || apiData.close || 0,
    changePercent: apiData.change_percent || apiData.changePercent || apiData.pct_chg || 0,
    todayOpen: apiData.today_open || apiData.todayOpen || apiData.open || 0,
    yesterdayClose: apiData.yesterday_close || apiData.yesterdayClose || apiData.pre_close || 0,
    todayHigh: apiData.today_high || apiData.todayHigh || apiData.high || 0,
    todayLow: apiData.today_low || apiData.todayLow || apiData.low || 0,

    // 关键指标
    pe: apiData.pe || apiData.pe_ttm || 0,
    eps: apiData.eps || apiData.basic_eps || undefined,
    pb: apiData.pb || apiData.pb_mrq || 0,
    marketCap: apiData.market_cap || apiData.marketCap || apiData.circ_mv || '0',
    week52Low: apiData.week52_low || apiData.week52Low || 0,
    week52High: apiData.week52_high || apiData.week52High || 0,

    // 主力动态
    mainNetInflow: apiData.main_net_inflow || apiData.mainNetInflow || 0,
    institutionHolding: apiData.institution_holding || apiData.institutionHolding || 0,
    buyRatio: apiData.buy_ratio || apiData.buyRatio || 50,
    sellRatio: apiData.sell_ratio || apiData.sellRatio || 50,

    // 更新时间
    updateTime: apiData.update_time || apiData.updateTime || new Date().toLocaleString(),
  };
};

/**
 * 股票行情数据获取 Hook
 *
 * @param {string} stockCode - 股票代码
 * @returns {Object} { data, isLoading, error, refetch }
 */
export const useStockQuote = (stockCode) => {
  const [data, setData] = useState(null);
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState(null);

  useEffect(() => {
    if (!stockCode) {
      setData(null);
      return;
    }

    const fetchQuote = async () => {
      setIsLoading(true);
      setError(null);

      try {
        logger.debug('useStockQuote', '获取股票行情', { stockCode });
        const quotes = await stockService.getQuotes([stockCode]);

        // API 返回格式: { [stockCode]: quoteData }
        const quoteData = quotes?.[stockCode] || quotes;
        const transformedData = transformQuoteData(quoteData, stockCode);

        logger.debug('useStockQuote', '行情数据转换完成', { stockCode, hasData: !!transformedData });
        setData(transformedData);
      } catch (err) {
        logger.error('useStockQuote', '获取行情失败', err);
        setError(err);
        setData(null);
      } finally {
        setIsLoading(false);
      }
    };

    fetchQuote();
  }, [stockCode]);

  // 手动刷新
  const refetch = () => {
    if (stockCode) {
      setData(null);
      // 触发 useEffect 重新执行
    }
  };

  return { data, isLoading, error, refetch };
};

export default useStockQuote;