import { createFileRoute, Link } from "@tanstack/react-router";
import { useState, useEffect, useRef, useCallback } from "react";
import { collectionsApi, sharesApi } from "@/lib/api-client";
import { fetchStockQuote, fetchStockSearch, getStockBoard, type StockQuote, type StockSearchResult } from "@/lib/stock-api";
import { getUserId, updateLastAccessed } from "@/lib/user-id";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import { Card, CardContent } from "@/components/ui/card";
import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogTrigger } from "@/components/ui/dialog";
import { AlertDialog, AlertDialogAction, AlertDialogCancel, AlertDialogContent, AlertDialogDescription, AlertDialogFooter, AlertDialogHeader, AlertDialogTitle } from "@/components/ui/alert-dialog";
import { Label } from "@/components/ui/label";
import { Textarea } from "@/components/ui/textarea";
import { Search, Plus, Share2, Trash2, TrendingUp, Loader2, Flame, Network, BarChart3, BrainCircuit } from "lucide-react";
import { toast } from "sonner";

export const Route = createFileRoute("/")({
  component: Index,
});

interface StockCollection {
  id: number;
  name: string;
  description: string | null;
  created_at: string;
  user_id: string;
  last_accessed_at: string;
}

interface CollectionStock {
  id: number;
  collection_id: number;
  stock_code: string;
  stock_name: string;
  added_at: string;
  added_price: number | null;
}

function Index() {
  const [collections, setCollections] = useState<StockCollection[]>([]);
  const [searchKeyword, setSearchKeyword] = useState("");
  const [searchResults, setSearchResults] = useState<StockSearchResult[]>([]);
  const [isSearching, setIsSearching] = useState(false);
  const [selectedStock, setSelectedStock] = useState<StockQuote | null>(null);
  const [isLoadingQuote, setIsLoadingQuote] = useState(false);
  const [isCreating, setIsCreating] = useState(false);
  const [newCollectionName, setNewCollectionName] = useState("");
  const [newCollectionDesc, setNewCollectionDesc] = useState("");
  const [refreshKey, setRefreshKey] = useState(0); // 用于触发集合卡片刷新
  const userId = getUserId();
  const searchTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
  const highlightIndexRef = useRef(-1);

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

  const loadCollections = async () => {
    try {
      const data = await collectionsApi.list(userId);
      setCollections(data || []);
    } catch (err) {
      console.error("加载集合失败:", err);
      toast.error("加载股票集合失败");
    }
  };

  const searchStocks = (keyword: string) => {
    const trimmed = keyword.trim();
    setSearchKeyword(keyword);

    // 清空已选股票
    setSelectedStock(null);

    if (!trimmed) {
      setSearchResults([]);
      setIsSearching(false);
      return;
    }

    setIsSearching(true);
    highlightIndexRef.current = -1;

    // 防抖：300ms
    if (searchTimerRef.current) {
      clearTimeout(searchTimerRef.current);
    }
    searchTimerRef.current = setTimeout(async () => {
      try {
        const results = await fetchStockSearch(trimmed);
        setSearchResults(results);
      } catch (err) {
        console.error("搜索失败:", err);
        setSearchResults([]);
      } finally {
        setIsSearching(false);
      }
    }, 300);
  };

  // 选中搜索结果后获取实时行情
  const selectStock = async (result: StockSearchResult) => {
    setSearchResults([]);
    setIsLoadingQuote(true);
    try {
      const quote = await fetchStockQuote(result.code);
      if (quote && quote.name) {
        setSelectedStock(quote);
      } else {
        toast.info("未找到该股票行情");
      }
    } catch (err) {
      console.error("获取行情失败:", err);
      const msg = err instanceof Error ? err.message : "获取行情失败";
      toast.error(msg);
    } finally {
      setIsLoadingQuote(false);
    }
  };

  // 键盘导航：上下选择，回车确认
  const handleSearchKeyDown = (e: React.KeyboardEvent) => {
    if (searchResults.length === 0) return;

    if (e.key === "ArrowDown") {
      e.preventDefault();
      highlightIndexRef.current = Math.min(
        highlightIndexRef.current + 1,
        searchResults.length - 1
      );
      // 强制刷新以更新高亮
      setSearchResults([...searchResults]);
    } else if (e.key === "ArrowUp") {
      e.preventDefault();
      highlightIndexRef.current = Math.max(highlightIndexRef.current - 1, 0);
      setSearchResults([...searchResults]);
    } else if (e.key === "Enter") {
      e.preventDefault();
      const idx = highlightIndexRef.current;
      if (idx >= 0 && idx < searchResults.length) {
        selectStock(searchResults[idx]);
      } else if (searchResults.length > 0) {
        selectStock(searchResults[0]);
      }
    } else if (e.key === "Escape") {
      setSearchResults([]);
      highlightIndexRef.current = -1;
    }
  };

  const createCollection = async () => {
    if (!newCollectionName.trim()) {
      toast.error("请输入集合名称");
      return;
    }

    try {
      await collectionsApi.create(newCollectionName.trim(), userId, newCollectionDesc.trim());

      toast.success("创建成功");
      setNewCollectionName("");
      setNewCollectionDesc("");
      setIsCreating(false);
      loadCollections();
    } catch (err) {
      console.error("创建失败:", err);
      toast.error("创建集合失败");
    }
  };

  const addStockToCollection = async (collectionId: number, stock: StockQuote) => {
    try {
      await collectionsApi.addStock(collectionId, {
        stock_code: stock.code,
        stock_name: stock.name,
        added_price: parseFloat(stock.currentPrice.toFixed(2)),
      });

      // 更新集合的最后访问时间
      await collectionsApi.update(collectionId, {
        last_accessed_at: new Date().toISOString(),
      });

      toast.success(`已添加 ${stock.name}(${stock.code}) @ ¥${stock.currentPrice.toFixed(2)}`);
      setSelectedStock(null);
      setSearchKeyword("");
      setSearchResults([]);
      setRefreshKey(prev => prev + 1); // 触发集合卡片刷新
    } catch (err) {
      console.error("添加失败:", err);
      const msg = err instanceof Error ? err.message : "添加股票失败";
      toast.error(msg);
    }
  };

  const deleteCollection = useCallback(async (collectionId: number) => {
    try {
      await collectionsApi.delete(collectionId);
      toast.success("删除成功");
      loadCollections();
    } catch (err) {
      console.error("删除失败:", err);
      toast.error("删除集合失败");
    }
  }, []);

  return (
    <div className="min-h-screen bg-gradient-to-br from-background via-muted/30 to-background">
      <div className="container mx-auto px-4 py-6 md:py-8 max-w-6xl">
        <div className="mb-6 md:mb-8 text-center">
          <h1 className="text-2xl md:text-4xl font-bold mb-2 bg-gradient-to-r from-primary to-primary/70 bg-clip-text text-transparent">
            A股走势追踪
          </h1>
          <p className="text-sm md:text-base text-muted-foreground">创建股票集合，分享历史走势</p>
          <div className="mt-3 flex flex-wrap items-center justify-center gap-2">
            <Link to="/dashboard">
              <Button variant="outline" size="sm" className="gap-1.5 text-xs">
                <BarChart3 className="h-3.5 w-3.5" />
                市场看板
              </Button>
            </Link>
            <Link to="/themes">
              <Button variant="outline" size="sm" className="gap-1.5 text-xs">
                <Flame className="h-3.5 w-3.5" />
                题材热点
              </Button>
            </Link>
            <Link to="/hot-map">
              <Button variant="outline" size="sm" className="gap-1.5 text-xs">
                <Network className="h-3.5 w-3.5" />
                热点穿透
              </Button>
            </Link>
            <Link to="/ai-analysis">
              <Button variant="outline" size="sm" className="gap-1.5 text-xs">
                <BrainCircuit className="h-3.5 w-3.5" />
                AI 分析
              </Button>
            </Link>
          </div>
        </div>

        <Card className="mb-6 md:mb-8 shadow-lg">
          <CardContent className="p-4 md:p-6">
            <div className="flex flex-col sm:flex-row gap-3">
              <div className="relative flex-1">
                <Search className="absolute left-3 top-1/2 -translate-y-1/2 text-muted-foreground h-4 w-4 z-10" />
                <Input
                  placeholder="输入股票名称/代码/拼音（如 茅台 / 600519 / gzmt）"
                  value={searchKeyword}
                  onChange={(e) => searchStocks(e.target.value)}
                  onKeyDown={handleSearchKeyDown}
                  className="pl-10"
                />
                {isSearching && (
                  <Loader2 className="absolute right-3 top-1/2 -translate-y-1/2 h-4 w-4 animate-spin text-muted-foreground" />
                )}

                {/* 搜索结果下拉候选 */}
                {searchResults.length > 0 && !isSearching && (
                  <div className="absolute top-full left-0 right-0 mt-1 bg-popover border rounded-md shadow-lg max-h-[280px] overflow-y-auto z-20">
                    {searchResults.map((result, idx) => {
                      const board = getStockBoard(result.code);
                      return (
                        <button
                          key={`${result.code}-${idx}`}
                          type="button"
                          onClick={() => selectStock(result)}
                          onMouseEnter={() => {
                            highlightIndexRef.current = idx;
                          }}
                          className={`w-full flex items-center justify-between px-3 py-2 text-left hover:bg-accent transition-colors ${
                            idx === highlightIndexRef.current ? "bg-accent" : ""
                          }`}
                        >
                          <div className="min-w-0 flex-1 flex items-center gap-2">
                            {board.label && (
                              <span className={`inline-flex items-center px-1.5 py-0.5 rounded text-[10px] font-medium border shrink-0 ${board.className}`}>
                                {board.label}
                              </span>
                            )}
                            <div className="min-w-0 flex-1">
                              <p className="font-medium text-sm truncate">{result.name}</p>
                              <p className="text-xs text-muted-foreground">{result.code}</p>
                            </div>
                          </div>
                          <span className="text-xs text-muted-foreground ml-2 shrink-0">
                            {result.market}
                          </span>
                        </button>
                      );
                    })}
                  </div>
                )}

                {/* 无结果提示 */}
                {searchKeyword.trim() && searchResults.length === 0 && !isSearching && !selectedStock && !isLoadingQuote && (
                  <div className="absolute top-full left-0 right-0 mt-1 bg-popover border rounded-md shadow-lg p-3 text-sm text-muted-foreground z-20">
                    未找到匹配的股票
                  </div>
                )}
              </div>
              <Dialog open={isCreating} onOpenChange={setIsCreating}>
                <DialogTrigger asChild>
                  <Button className="w-full sm:w-auto">
                    <Plus className="mr-2 h-4 w-4" />
                    新建集合
                  </Button>
                </DialogTrigger>
                <DialogContent className="max-w-[95vw] sm:max-w-lg">
                  <DialogHeader>
                    <DialogTitle>创建股票集合</DialogTitle>
                  </DialogHeader>
                  <div className="space-y-4 pt-4">
                    <div className="space-y-2">
                      <Label>集合名称</Label>
                      <Input
                        placeholder="例如：我的自选股"
                        value={newCollectionName}
                        onChange={(e) => setNewCollectionName(e.target.value)}
                      />
                    </div>
                    <div className="space-y-2">
                      <Label>描述（可选）</Label>
                      <Textarea
                        placeholder="简单描述这个集合"
                        value={newCollectionDesc}
                        onChange={(e) => setNewCollectionDesc(e.target.value)}
                      />
                    </div>
                    <Button onClick={createCollection} className="w-full">
                      创建
                    </Button>
                  </div>
                </DialogContent>
              </Dialog>
            </div>

            {/* 加载行情中 */}
            {isLoadingQuote && (
              <div className="mt-4 flex items-center justify-center gap-2 text-sm text-muted-foreground">
                <Loader2 className="h-4 w-4 animate-spin" />
                获取行情中...
              </div>
            )}

            {/* 选中股票后展示行情 + 添加到集合 */}
            {selectedStock && !isLoadingQuote && (
              <div className="mt-4 space-y-2">
                <p className="text-sm text-muted-foreground">已选股票：</p>
                <div className="flex flex-col sm:flex-row items-start sm:items-center justify-between p-3 rounded-lg border bg-card hover:bg-accent/50 transition-colors gap-3">
                  <div className="min-w-0 flex-1">
                    <p className="font-medium">{selectedStock.name}</p>
                    <p className="text-sm text-muted-foreground">
                      {selectedStock.code} ({selectedStock.market}) · ¥{selectedStock.currentPrice.toFixed(2)}
                    </p>
                  </div>
                  <div className="flex gap-2 flex-wrap justify-end w-full sm:w-auto">
                    {collections.length === 0 ? (
                      <span className="text-sm text-muted-foreground">请先创建集合</span>
                    ) : (
                      collections.map((col) => (
                        <Button
                          key={col.id}
                          size="sm"
                          variant="outline"
                          onClick={() => addStockToCollection(col.id, selectedStock)}
                          className="flex-1 sm:flex-none"
                        >
                          添加到 {col.name}
                        </Button>
                      ))
                    )}
                  </div>
                </div>
              </div>
            )}
          </CardContent>
        </Card>

        <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-4 md:gap-6">
          {collections.length === 0 ? (
            <div className="col-span-full text-center py-12 text-muted-foreground">
              <TrendingUp className="mx-auto h-12 w-12 mb-4 opacity-50" />
              <p>暂无股票集合，点击上方按钮创建一个吧</p>
            </div>
          ) : (
            collections.map((collection) => (
              <CollectionCard
                key={collection.id}
                collection={collection}
                onDelete={deleteCollection}
                refreshKey={refreshKey}
              />
            ))
          )}
        </div>
      </div>
    </div>
  );
}

function CollectionCard({
  collection,
  onDelete,
  refreshKey
}: {
  collection: StockCollection;
  onDelete: (id: number) => void;
  refreshKey: number;
}) {
  const [stocks, setStocks] = useState<CollectionStock[]>([]);
  const [stockQuotes, setStockQuotes] = useState<Map<string, StockQuote>>(new Map());
  const [shareLink, setShareLink] = useState<string | null>(null);
  const [loading, setLoading] = useState(false);
  const [stockToDelete, setStockToDelete] = useState<CollectionStock | null>(null);
  const [showDeleteCollectionAlert, setShowDeleteCollectionAlert] = useState(false);
  const [swipeResetKey, setSwipeResetKey] = useState(0);

  useEffect(() => {
    loadStocks();
  }, [collection.id, refreshKey]);

  const loadStocks = async () => {
    setLoading(true);
    try {
      const data = await collectionsApi.listStocks(collection.id);
      setStocks(data || []);

      if (data && data.length > 0) {
        const codes = data.map((s: CollectionStock) => s.stock_code);
        const quotes = await fetchStockQuotesFromCodes(codes);
        setStockQuotes(quotes);
      }

      updateLastAccessed(collection.id);
      await collectionsApi.update(collection.id, {
        last_accessed_at: new Date().toISOString(),
      });
    } catch (err) {
      console.error("加载股票失败:", err);
    } finally {
      setLoading(false);
    }
  };

  const fetchStockQuotesFromCodes = async (codes: string[]): Promise<Map<string, StockQuote>> => {
    const map = new Map<string, StockQuote>();
    await Promise.all(
      codes.map(async (code) => {
        try {
          const quote = await fetchStockQuote(code);
          if (quote) map.set(code, quote);
        } catch {
          // 忽略单个股票获取失败
        }
      })
    );
    return map;
  };

  const generateShareLink = async () => {
    try {
      const { short_code } = await sharesApi.create(collection.id);
      const link = `${window.location.origin}/share/${short_code}`;
      setShareLink(link);

      try {
        if (navigator.clipboard && navigator.clipboard.writeText) {
          await navigator.clipboard.writeText(link);
          toast.success("分享链接已复制到剪贴板");
        } else {
          const textarea = document.createElement('textarea');
          textarea.value = link;
          textarea.style.position = 'fixed';
          textarea.style.opacity = '0';
          document.body.appendChild(textarea);
          textarea.select();
          document.execCommand('copy');
          document.body.removeChild(textarea);
          toast.success("分享链接已复制到剪贴板");
        }
      } catch (copyErr) {
        console.error("复制失败:", copyErr);
        toast.success("分享链接已生成，请手动复制");
      }
    } catch (err) {
      console.error("生成链接失败:", err);
      toast.error("生成分享链接失败");
    }
  };

  const handleRemoveStock = async () => {
    if (!stockToDelete) return;
    try {
      await collectionsApi.removeStock(collection.id, stockToDelete.stock_code);
      toast.success(`已移除 ${stockToDelete.stock_name}`);
      setStockToDelete(null);
      loadStocks();
    } catch (err) {
      console.error("移除股票失败:", err);
      toast.error("移除股票失败");
    }
  };

  return (
    <Card className="hover:shadow-lg transition-shadow">
      <div className="p-4 md:p-6" onClick={(e) => {
        // 点击卡片空白区域关闭所有滑出的条目
        const t = e.target as HTMLElement;
        if (!t.closest('button') && !t.closest('a')) {
          setSwipeResetKey(k => k + 1);
        }
      }}>
        <div className="flex items-center justify-between mb-2">
          <h3 className="font-semibold text-base md:text-lg truncate mr-2">{collection.name}</h3>
          <div className="flex gap-1 shrink-0">
            <Button size="sm" variant="ghost" onClick={generateShareLink} className="p-2">
              <Share2 className="h-4 w-4" />
            </Button>
            <Button
              size="sm"
              variant="ghost"
              onClick={() => setShowDeleteCollectionAlert(true)}
              className="text-destructive hover:text-destructive hover:bg-destructive/10 p-2"
            >
              <Trash2 className="h-4 w-4" />
            </Button>
          </div>
        </div>
        {collection.description && (
          <p className="text-sm text-muted-foreground mb-3 line-clamp-2">{collection.description}</p>
        )}

        {loading ? (
          <p className="text-sm text-muted-foreground text-center py-4">加载中...</p>
        ) : stocks.length === 0 ? (
          <p className="text-sm text-muted-foreground text-center py-4">暂无股票</p>
        ) : (
          <div className="space-y-1">
            {stocks.slice(0, 20).map((stock) => (
              <StockRowItem
                key={stock.id}
                stock={stock}
                quote={stockQuotes.get(stock.stock_code)}
                onRequestDelete={setStockToDelete}
                swipeResetKey={swipeResetKey}
              />
            ))}
            {stocks.length > 20 && (
              <p className="text-xs text-muted-foreground text-center pt-1">还有 {stocks.length - 20} 只股票...</p>
            )}
          </div>
        )}
        {shareLink && (
          <div
            className="mt-4 p-2 bg-muted rounded text-xs break-all cursor-pointer hover:bg-accent/50 transition-colors"
            onClick={async () => {
              try {
                if (navigator.clipboard && navigator.clipboard.writeText) {
                  await navigator.clipboard.writeText(shareLink);
                  toast.success("链接已复制到剪贴板");
                } else {
                  const textarea = document.createElement('textarea');
                  textarea.value = shareLink;
                  textarea.style.position = 'fixed';
                  textarea.style.opacity = '0';
                  document.body.appendChild(textarea);
                  textarea.select();
                  document.execCommand('copy');
                  document.body.removeChild(textarea);
                  toast.success("链接已复制到剪贴板");
                }
              } catch (err) {
                console.error("复制失败:", err);
                toast.error("复制失败，请手动复制链接");
              }
            }}
          >
            <p className="text-muted-foreground mb-1">分享链接（点击复制）：</p>
            <p>{shareLink}</p>
          </div>
        )}
      </div>

      <AlertDialog open={!!stockToDelete} onOpenChange={(open) => !open && setStockToDelete(null)}>
        <AlertDialogContent>
          <AlertDialogHeader>
            <AlertDialogTitle>确认移除</AlertDialogTitle>
            <AlertDialogDescription>
              确定要移除股票「{stockToDelete?.stock_name}」({stockToDelete?.stock_code}) 吗？
            </AlertDialogDescription>
          </AlertDialogHeader>
          <AlertDialogFooter>
            <AlertDialogCancel>取消</AlertDialogCancel>
            <AlertDialogAction onClick={handleRemoveStock} className="bg-destructive text-destructive-foreground hover:bg-destructive/90">
              移除
            </AlertDialogAction>
          </AlertDialogFooter>
        </AlertDialogContent>
      </AlertDialog>

      <AlertDialog open={showDeleteCollectionAlert} onOpenChange={setShowDeleteCollectionAlert}>
        <AlertDialogContent>
          <AlertDialogHeader>
            <AlertDialogTitle>确认删除集合</AlertDialogTitle>
            <AlertDialogDescription>
              确定要删除集合「{collection.name}」吗？集合内的所有股票将一并移除，此操作不可恢复。
            </AlertDialogDescription>
          </AlertDialogHeader>
          <AlertDialogFooter>
            <AlertDialogCancel>取消</AlertDialogCancel>
            <AlertDialogAction onClick={() => { setShowDeleteCollectionAlert(false); onDelete(collection.id); }} className="bg-destructive text-destructive-foreground hover:bg-destructive/90">
              删除
            </AlertDialogAction>
          </AlertDialogFooter>
        </AlertDialogContent>
      </AlertDialog>
    </Card>
  );
}

function StockRowItem({
  stock,
  quote,
  onRequestDelete,
  swipeResetKey,
}: {
  stock: CollectionStock;
  quote: StockQuote | undefined;
  onRequestDelete: (stock: CollectionStock) => void;
  swipeResetKey: number;
}) {
  const [swipedX, setSwipedX] = useState(0);
  const [isDragging, setIsDragging] = useState(false);
  const touchOriginX = useRef(0);
  const touchOriginY = useRef(0);
  const isHorizontal = useRef(false);
  const swipeXRef = useRef(0);
  const startOffsetRef = useRef(0);
  const wasSwiped = useRef(false);

  const DELETE_WIDTH = 80;
  const SWIPE_THRESH = 40;

  const resetSwipe = () => {
    setSwipedX(0);
    swipeXRef.current = 0;
  };

  const snapOpen = () => {
    setSwipedX(DELETE_WIDTH);
    swipeXRef.current = DELETE_WIDTH;
  };

  useEffect(() => {
    resetSwipe();
  }, [swipeResetKey]);

  const currentPrice = quote?.currentPrice;
  const addedPrice = stock.added_price;

  let changePercent = 0;
  let hasChangeData = false;

  if (addedPrice && addedPrice > 0 && currentPrice) {
    changePercent = ((currentPrice - addedPrice) / addedPrice) * 100;
    hasChangeData = true;
  }

  const stockIsPositive = changePercent >= 0;

  const onTouchStart = (e: React.TouchEvent) => {
    wasSwiped.current = false;
    touchOriginX.current = e.touches[0].clientX;
    touchOriginY.current = e.touches[0].clientY;
    isHorizontal.current = false;
    startOffsetRef.current = swipeXRef.current;
  };

  const onTouchMove = (e: React.TouchEvent) => {
    const dx = touchOriginX.current - e.touches[0].clientX;

    if (!isHorizontal.current) {
      const dy = Math.abs(touchOriginY.current - e.touches[0].clientY);
      if (Math.abs(dx) < 10 || dy > Math.abs(dx)) return;
      isHorizontal.current = true;
      setIsDragging(true);
    }

    e.preventDefault();
    const next = Math.max(0, Math.min(DELETE_WIDTH, startOffsetRef.current + dx));
    swipeXRef.current = next;
    setSwipedX(next);
  };

  const onTouchEnd = () => {
    setIsDragging(false);
    if (swipeXRef.current >= SWIPE_THRESH) {
      wasSwiped.current = true;
      snapOpen();
    } else {
      resetSwipe();
    }
  };

  const onMouseDown = (e: React.MouseEvent) => {
    wasSwiped.current = false;
    touchOriginX.current = e.clientX;
    touchOriginY.current = e.clientY;
    isHorizontal.current = false;
    startOffsetRef.current = swipeXRef.current;
  };

  const onMouseMove = (e: React.MouseEvent) => {
    if (e.buttons !== 1) return;
    const dx = touchOriginX.current - e.clientX;
    if (!isHorizontal.current) {
      const dy = Math.abs(touchOriginY.current - e.clientY);
      if (Math.abs(dx) < 10 || dy > Math.abs(dx)) return;
      isHorizontal.current = true;
      setIsDragging(true);
    }

    const next = Math.max(0, Math.min(DELETE_WIDTH, startOffsetRef.current + dx));
    swipeXRef.current = next;
    setSwipedX(next);
  };

  const onMouseUp = () => {
    if (!isHorizontal.current) return;
    setIsDragging(false);
    if (swipeXRef.current >= SWIPE_THRESH) {
      wasSwiped.current = true;
      snapOpen();
    } else {
      resetSwipe();
    }
  };

  const board = getStockBoard(stock.stock_code);

  return (
    <>
      <div className="relative overflow-hidden rounded">
        {/* 删除按钮（在条目背后右侧） */}
        <div className="absolute right-0 top-0 bottom-0 flex items-center pr-2">
          <Button
            variant="destructive"
            size="sm"
            className="h-9 gap-1 px-3 rounded-md text-xs font-medium"
            onClick={() => onRequestDelete(stock)}
          >
            <Trash2 className="h-3.5 w-3.5" />
          </Button>
        </div>

        {/* 可滑动内容 */}
        <div
          className="relative bg-card"
          style={{
            transform: `translateX(-${swipedX}px)`,
            transition: isDragging ? 'none' : 'transform 0.2s ease-out',
          }}
          onTouchStart={onTouchStart}
          onTouchMove={onTouchMove}
          onTouchEnd={onTouchEnd}
          onMouseDown={onMouseDown}
          onMouseMove={onMouseMove}
          onMouseUp={onMouseUp}
          onMouseLeave={onMouseUp}
        >
          <Link
            to="/stock/$code"
            params={{ code: stock.stock_code }}
            className="block p-2 rounded hover:bg-accent/50 transition-colors cursor-pointer"
            onClick={(e) => {
              if (wasSwiped.current) {
                e.preventDefault();
                wasSwiped.current = false;
              }
            }}
          >
            <div className="flex items-center justify-between gap-2">
              <div className="min-w-0 flex-1">
                <p className="font-medium text-sm truncate">{stock.stock_name}</p>
                <div className="flex items-center gap-1">
                  <p className="text-xs text-muted-foreground">{stock.stock_code}</p>
                  {board.label && (
                    <span className={`inline-flex items-center justify-center w-3.5 h-3.5 rounded-sm text-[8px] font-bold leading-none ${board.className}`}>
                      {board.label}
                    </span>
                  )}
                </div>
              </div>
              <div className="flex items-center gap-2 shrink-0 text-xs">
                <div className="text-right min-w-[48px]">
                  <p className="text-muted-foreground text-[10px]">自选</p>
                  <p className="text-[11px]">{addedPrice ? `¥${addedPrice.toFixed(2)}` : currentPrice ? `¥${currentPrice.toFixed(2)}` : "-"}</p>
                </div>
                <div className="text-right min-w-[56px]">
                  <p className="text-muted-foreground text-[10px]">涨跌</p>
                  <p className={`font-semibold text-[11px] ${stockIsPositive ? "text-red-500" : "text-green-500"}`}>
                    {hasChangeData ? `${stockIsPositive ? "+" : ""}${changePercent.toFixed(2)}%` : "0.00%"}
                  </p>
                </div>
                <div className="text-right min-w-[48px]">
                  <p className="text-muted-foreground text-[10px]">最新</p>
                  <p className="font-medium text-[11px]">{currentPrice ? `¥${currentPrice.toFixed(2)}` : "-"}</p>
                </div>
              </div>
            </div>
          </Link>
        </div>
      </div>
    </>
  );
}