/**
 * 실시간 차트 우측 패널
 * - 매매 탭: 상단 매수 / 하단 매도
 * - 호가 탭: 실시간 호가창
 */
import React, { useState, useEffect, useRef, useCallback } from 'react';
import {
  TradeSplitOrderPanel,
  TradeOrderbookPanelContent,
  TradeRightPanelTabs,
  TradeRightPanelBody,
  type TradeRightPanelTab,
} from './trade';
import type { OrderbookDisplayUnit, WsStatus } from '../hooks/useUpbitOrderbook';
import { useUpbitRecentTrades } from '../hooks/useUpbitRecentTrades';
import type { OrderbookTickerInfo } from './OrderbookPanel';
import type { TradeOrderFillRequest } from '../types';

type PanelTab = 'trade' | 'orderbook';

export interface RightSidePanelProps {
  /** 모바일 등 외부 제어 시 열림 상태 */
  open?: boolean;
  onOpenChange?: (open: boolean) => void;
  /** 모바일 도크에서 호가/매매 탭 지정 */
  activeTab?: TradeRightPanelTab;
  onTabChange?: (tab: TradeRightPanelTab) => void;
  market: string;
  tradePrice: number | null;
  asks: OrderbookDisplayUnit[];
  bids: OrderbookDisplayUnit[];
  totalAskSize: number;
  totalBidSize: number;
  wsStatus: WsStatus;
  bestAsk: number;
  bestBid: number;
  spread: number;
  spreadPct: number;
  prevClose: number;
  tickerInfo?: OrderbookTickerInfo;
  fillRequest?: TradeOrderFillRequest | null;
  onOrderbookPick?: (price: number, rowType: 'ask' | 'bid') => void;
  onMarketSelect?: (market: string) => void;
  availableKrw?: number;
  availableCoinQty?: number;
  paperTradingEnabled?: boolean;
  paperAutoTradeEnabled?: boolean;
  onPaperOrderFilled?: () => void;
}

const RightSidePanel: React.FC<RightSidePanelProps> = ({
  open: openControlled,
  onOpenChange,
  activeTab: activeTabControlled,
  onTabChange,
  market,
  tradePrice,
  asks,
  bids,
  totalAskSize,
  totalBidSize,
  wsStatus,
  bestAsk,
  bestBid,
  spread,
  spreadPct,
  prevClose,
  tickerInfo,
  fillRequest,
  onOrderbookPick,
  onMarketSelect,
  availableKrw = 0,
  availableCoinQty = 0,
  paperTradingEnabled = false,
  paperAutoTradeEnabled = false,
  onPaperOrderFilled,
}) => {
  const [openInternal, setOpenInternal] = useState(false);
  const [tabInternal, setTabInternal] = useState<TradeRightPanelTab>('trade');
  const tradeSectionRef = useRef<HTMLDivElement>(null);
  const { trades: recentTrades, strength: tradeStrength } = useUpbitRecentTrades(market);

  const isOpenControlled = openControlled !== undefined && onOpenChange !== undefined;
  const open = isOpenControlled ? !!openControlled : openInternal;
  const setOpen = (next: boolean | ((p: boolean) => boolean)) => {
    const cur = isOpenControlled ? !!openControlled : openInternal;
    const value = typeof next === 'function' ? next(cur) : next;
    if (isOpenControlled && onOpenChange) onOpenChange(value);
    else setOpenInternal(value);
  };

  const activeTab = activeTabControlled ?? tabInternal;
  const setActiveTab = useCallback((tab: TradeRightPanelTab) => {
    if (onTabChange) onTabChange(tab);
    else setTabInternal(tab);
  }, [onTabChange]);

  useEffect(() => {
    if (!fillRequest) return;
    setOpen(true);
    setActiveTab('trade');
  }, [fillRequest?.seq, fillRequest?.side, setOpen, setActiveTab]);

  const handleOrderbookRowClick = useCallback((price: number, rowType: 'ask' | 'bid') => {
    setActiveTab('trade');
    onOrderbookPick?.(price, rowType);
  }, [onOrderbookPick]);

  return (
    <div className={`rsp-wrap ${open ? 'rsp-wrap--open' : ''}`}>
      <button
        type="button"
        className="rsp-handle"
        onClick={() => setOpen(v => !v)}
        title={open ? '패널 닫기' : '패널 열기'}
      >
        <svg
          width="8" height="14"
          viewBox="0 0 8 14"
          fill="none"
          stroke="currentColor"
          strokeWidth="1.8"
          strokeLinecap="round"
          strokeLinejoin="round"
        >
          {open
            ? <polyline points="2,1 6,7 2,13" />
            : <polyline points="6,1 2,7 6,13" />}
        </svg>
      </button>

      <div className="rsp-panel trade-right-panel">
        <TradeRightPanelTabs
          activeTab={activeTab}
          onTabChange={setActiveTab}
          className="rsp-tabs"
        />

        <TradeRightPanelBody anchorRef={tradeSectionRef} className="rsp-body-wrap">
          {activeTab === 'trade' && (
            <TradeSplitOrderPanel
              market={market}
              tradePrice={tradePrice}
              availableKrw={availableKrw}
              availableCoinQty={availableCoinQty}
              fillRequest={fillRequest}
              searchAnchorRef={tradeSectionRef}
              onMarketSelect={onMarketSelect}
              paperTradingEnabled={paperTradingEnabled}
              paperAutoTradeEnabled={paperAutoTradeEnabled}
              onPaperOrderFilled={onPaperOrderFilled}
            />
          )}

          {activeTab === 'orderbook' && (
            <TradeOrderbookPanelContent
              market={market}
              asks={asks}
              bids={bids}
              totalAskSize={totalAskSize}
              totalBidSize={totalBidSize}
              wsStatus={wsStatus}
              bestAsk={bestAsk}
              bestBid={bestBid}
              spread={spread}
              spreadPct={spreadPct}
              prevClose={prevClose}
              tickerInfo={tickerInfo}
              recentTrades={recentTrades}
              tradeStrength={tradeStrength ?? undefined}
              onRowClick={handleOrderbookRowClick}
            />
          )}
        </TradeRightPanelBody>
      </div>
    </div>
  );
};

export default RightSidePanel;