import React, { useState, useMemo } from 'react';
import { Search, Filter, ArrowUpDown, RotateCw } from 'lucide-react';
import { StockItem, MarketType, OrderType } from '../types';
import StockDetailModal from '../components/StockDetailModal';
import TradeModal from '../components/TradeModal';
import { StockRow } from '../components/StockRow';
import { StockMasterRow } from '../components/StockMasterRow';

interface StocksProps {
  marketMode: MarketType;
  stocks: StockItem[];
  onTrade: (stock: StockItem, type: OrderType) => void;
  onAddToWatchlist: (stock: StockItem) => void;
  watchlistCodes: string[];
  onSync: () => Promise<void>;
  onAddReservedOrder?: (order: any) => Promise<void>;
}

const Stocks: React.FC<StocksProps> = ({ marketMode, stocks, onAddToWatchlist, watchlistCodes, onSync }) => {
  const [search, setSearch] = useState('');
  const [sortField, setSortField] = useState<keyof StockItem>('aiScoreBuy');
  const [sortOrder, setSortOrder] = useState<'asc' | 'desc'>('desc');
  
  const [detailStock, setDetailStock] = useState<StockItem | null>(null);
  const [tradeContext, setTradeContext] = useState<{ stock: StockItem, type: OrderType } | null>(null);

  const filteredStocks = useMemo(() => {
    let result = stocks.filter(s => 
      s.market === marketMode && 
      (s.name.includes(search) || s.code.toLowerCase().includes(search.toLowerCase()))
    );
    result.sort((a, b) => {
      const valA = (a[sortField] as number) || 0;
      const valB = (b[sortField] as number) || 0;
      return sortOrder === 'asc' ? (valA > valB ? 1 : -1) : (valB > valA ? 1 : -1);
    });
    return result;
  }, [stocks, search, marketMode, sortField, sortOrder]);

  const handleSort = (field: keyof StockItem) => {
    if (sortField === field) setSortOrder(sortOrder === 'asc' ? 'desc' : 'asc');
    else { setSortField(field); setSortOrder('desc'); }
  };

  return (
    <div className="space-y-6 animate-in fade-in duration-500 pb-20">
      <div className="bg-white p-6 rounded-2xl shadow-sm border border-slate-100 flex flex-col lg:flex-row gap-6 items-center justify-between">
        <div className="flex items-center gap-4">
          <div className="p-4 bg-blue-50 text-blue-600 rounded-2xl shadow-sm"><Filter size={20} /></div>
          <div>
            <h3 className="text-[20px] font-black text-slate-900 tracking-tighter uppercase">종목 마스터</h3>
            <p className="text-[11px] font-bold text-slate-400">데이터 기반 종목 분석 및 관리</p>
          </div>
        </div>
        <div className="flex gap-3 w-full lg:w-auto">
          <div className="relative flex-1 lg:w-64">
            <Search className="absolute left-4 top-1/2 -translate-y-1/2 text-slate-300" size={16} />
            <input 
              type="text" 
              placeholder="종목명 또는 코드 검색..." 
              className="w-full pl-11 pr-4 py-3 bg-slate-50 rounded-xl outline-none border-2 border-transparent focus:border-blue-500 focus:bg-white transition-all text-sm font-bold" 
              value={search} 
              onChange={(e) => setSearch(e.target.value)} 
            />
          </div>
          <button onClick={onSync} className="px-5 py-3 bg-slate-900 text-white rounded-xl flex items-center gap-2 hover:bg-slate-800 transition-all text-sm font-black shadow-lg">
            <RotateCw size={16} /> 동기화
          </button>
        </div>
      </div>

      <div className="bg-white rounded-2xl shadow-sm border border-slate-100 overflow-hidden">
        <div className="overflow-x-auto scrollbar-hide">
          <table className="w-full text-left border-collapse">
            <thead className="bg-slate-50/50 text-[10px] font-black text-slate-400 uppercase tracking-widest border-b border-slate-100">
              <tr>
                <th className="px-5 py-4 w-12 text-center">No</th>
                <th className="px-5 py-4 cursor-pointer hover:text-blue-600 transition-colors" onClick={() => handleSort('name')}>
                  종목정보 <ArrowUpDown size={10} className="inline ml-1" />
                </th>
                <th className="px-5 py-4 text-right cursor-pointer hover:text-blue-600 transition-colors" onClick={() => handleSort('price')}>
                  현재가 <ArrowUpDown size={10} className="inline ml-1" />
                </th>
                <th className="px-5 py-4 text-right">시가/고/저</th>
                <th className="px-5 py-4 text-right cursor-pointer hover:text-blue-600 transition-colors" onClick={() => handleSort('volume')}>
                  거래량 <ArrowUpDown size={10} className="inline ml-1" />
                </th>
                <th className="px-5 py-4">기업건강 (P/R/E)</th>
                <th className="px-5 py-4 text-center cursor-pointer hover:text-blue-600 transition-colors" onClick={() => handleSort('aiScoreBuy')}>
                  AI SCORE <ArrowUpDown size={10} className="inline ml-1" />
                </th>
                <th className="px-5 py-4 text-right">트레이딩 액션</th>
              </tr>
            </thead>
            <tbody className="divide-y divide-slate-50">
              {filteredStocks.map((stock, idx) => {
                const isWatch = watchlistCodes.includes(stock.code);
                return (
                  <StockMasterRow 
                    key={stock.code}
                    rank={idx + 1}
                    stock={stock}
                    isWatchlisted={isWatch}
                    onTrade={(type) => setTradeContext({ stock, type })}
                    onToggleWatchlist={() => onAddToWatchlist(stock)}
                    onClick={() => setDetailStock(stock)}
                  />
                );
              })}
            </tbody>
          </table>
        </div>
      </div>

      {detailStock && <StockDetailModal stock={detailStock} onClose={() => setDetailStock(null)} />}
      {tradeContext && (
        <TradeModal 
          stock={tradeContext.stock} 
          type={tradeContext.type} 
          onClose={() => setTradeContext(null)} 
          onExecute={async (o) => alert("주문 예약됨")} 
        />
      )}
    </div>
  );
};

export default Stocks;