// src/views/Company/index.js
// 公司详情页面入口 - 纯组合层

import React, { useEffect, useRef, useState, useCallback } from 'react';
import { Container, VStack, useToast } from '@chakra-ui/react';
import { useDispatch } from 'react-redux';
import { loadAllStocks } from '@store/slices/stockSlice';
import { financialService } from '@services/financialService';
import { logger } from '@utils/logger';

// 自定义 Hooks
import { useCompanyStock } from './hooks/useCompanyStock';
import { useCompanyWatchlist } from './hooks/useCompanyWatchlist';
import { useCompanyEvents } from './hooks/useCompanyEvents';
import { useStockQuote } from './hooks/useStockQuote';
import { useBasicInfo } from './components/CompanyOverview/hooks/useBasicInfo';

// 页面组件
import CompanyHeader from './components/CompanyHeader';
import StockQuoteCard from './components/StockQuoteCard';
import CompanyTabs from './components/CompanyTabs';

/**
 * 公司详情页面
 *
 * 功能：
 * - 股票搜索与代码管理
 * - 自选股添加/移除
 * - 多维度数据展示（概览、行情、财务、预测）
 * - PostHog 事件追踪
 */
const CompanyIndex = () => {
  const dispatch = useDispatch();
  const toast = useToast();

  // 1. 先获取股票代码（不带追踪回调）
  const {
    stockCode,
    inputCode,
    setInputCode,
    handleSearch,
    handleKeyDown,
  } = useCompanyStock();

  // 加载全部股票列表（用于模糊搜索）
  useEffect(() => {
    dispatch(loadAllStocks());
  }, [dispatch]);

  // 2. 获取股票行情数据
  const { data: quoteData, isLoading: isQuoteLoading } = useStockQuote(stockCode);

  // 2.1 获取公司基本信息
  const { basicInfo } = useBasicInfo(stockCode);

  // 5. 股票对比状态管理
  const [currentStockInfo, setCurrentStockInfo] = useState(null);
  const [compareStockInfo, setCompareStockInfo] = useState(null);
  const [isCompareLoading, setIsCompareLoading] = useState(false);

  // 加载当前股票财务信息（用于对比）
  useEffect(() => {
    const loadCurrentStockInfo = async () => {
      if (!stockCode) return;
      try {
        const res = await financialService.getStockInfo(stockCode);
        setCurrentStockInfo(res.data);
      } catch (error) {
        logger.error('CompanyIndex', 'loadCurrentStockInfo', error, { stockCode });
      }
    };
    loadCurrentStockInfo();
    // 清除对比数据
    setCompareStockInfo(null);
  }, [stockCode]);

  // 处理股票对比
  const handleCompare = useCallback(async (compareCode) => {
    if (!compareCode) return;

    logger.debug('CompanyIndex', '开始加载对比数据', { stockCode, compareCode });
    setIsCompareLoading(true);

    try {
      const res = await financialService.getStockInfo(compareCode);
      setCompareStockInfo(res.data);
      logger.info('CompanyIndex', '对比数据加载成功', { stockCode, compareCode });
    } catch (error) {
      logger.error('CompanyIndex', 'handleCompare', error, { stockCode, compareCode });
      toast({
        title: '加载对比数据失败',
        description: '请检查股票代码是否正确',
        status: 'error',
        duration: 3000,
      });
    } finally {
      setIsCompareLoading(false);
    }
  }, [stockCode, toast]);

  // 关闭对比弹窗
  const handleCloseCompare = useCallback(() => {
    // 可选：清除对比数据
    // setCompareStockInfo(null);
  }, []);

  // 3. 再初始化事件追踪（传入 stockCode）
  const {
    trackStockSearched,
    trackTabChanged,
    trackWatchlistAdded,
    trackWatchlistRemoved,
  } = useCompanyEvents({ stockCode });

  // 3. 自选股管理
  const {
    isInWatchlist,
    isLoading: isWatchlistLoading,
    toggle: handleWatchlistToggle,
  } = useCompanyWatchlist({
    stockCode,
    tracking: {
      onAdd: trackWatchlistAdded,
      onRemove: trackWatchlistRemoved,
    },
  });

  // 4. 监听 stockCode 变化，触发搜索追踪
  const prevStockCodeRef = useRef(stockCode);
  useEffect(() => {
    if (stockCode !== prevStockCodeRef.current) {
      trackStockSearched(stockCode, prevStockCodeRef.current);
      prevStockCodeRef.current = stockCode;
    }
  }, [stockCode, trackStockSearched]);

  return (
    <Container maxW="container.xl" py={0} bg='#1A202C'>
      <VStack align="stretch" spacing={0}>
        {/* 页面头部：标题、搜索 */}
        <CompanyHeader
          inputCode={inputCode}
          onInputChange={setInputCode}
          onSearch={handleSearch}
          onKeyDown={handleKeyDown}
          bgColor="#1A202C"
        />

        {/* 股票行情卡片：价格、关键指标、主力动态、公司信息、股票对比 */}
        <StockQuoteCard
          data={quoteData}
          isLoading={isQuoteLoading}
          isInWatchlist={isInWatchlist}
          isWatchlistLoading={isWatchlistLoading}
          onWatchlistToggle={handleWatchlistToggle}
          basicInfo={basicInfo}
          // 股票对比相关
          currentStockInfo={currentStockInfo}
          compareStockInfo={compareStockInfo}
          isCompareLoading={isCompareLoading}
          onCompare={handleCompare}
          onCloseCompare={handleCloseCompare}
        />

        {/* Tab 切换区域：概览、行情、财务、预测 */}
        <CompanyTabs stockCode={stockCode} onTabChange={trackTabChanged}  bgColor="#1A202C"/>
      </VStack>
    </Container>
  );
};

export default CompanyIndex;