import { memo, useCallback, useEffect, useState } from "react";import { ChevronLeftIcon, ChevronRightIcon, XIcon } from "lucide-react";import { Button } from "../ui/button";import type { ExpandedImagePreview } from "./ExpandedImagePreview"; interface ExpandedImageDialogProps {  preview: ExpandedImagePreview;  onClose: () => void;} export const ExpandedImageDialog = memo(function ExpandedImageDialog({  preview: initialPreview,  onClose,}: ExpandedImageDialogProps) {  const [preview, setPreview] = useState(initialPreview);   // Sync when the parent hands us a new preview reference.  useEffect(() => {    setPreview(initialPreview);  }, [initialPreview]);   const navigateImage = useCallback((direction: -1 | 1) => {    setPreview((existing) => {      if (existing.images.length <= 1) return existing;      const nextIndex =        (existing.index + direction + existing.images.length) % existing.images.length;      if (nextIndex === existing.index) return existing;      return { ...existing, index: nextIndex };    });  }, []);   useEffect(() => {    const onKeyDown = (event: globalThis.KeyboardEvent) => {      if (event.key === "Escape") {        event.preventDefault();        event.stopPropagation();        onClose();        return;      }      if (preview.images.length <= 1) return;      if (event.key === "ArrowLeft") {        event.preventDefault();        event.stopPropagation();        navigateImage(-1);        return;      }      if (event.key !== "ArrowRight") return;      event.preventDefault();      event.stopPropagation();      navigateImage(1);    };    window.addEventListener("keydown", onKeyDown);    return () => window.removeEventListener("keydown", onKeyDown);  }, [navigateImage, onClose, preview.images.length]);   const item = preview.images[preview.index];  if (!item) return null;   return (    <div      className="fixed inset-0 z-50 flex items-center justify-center bg-black/75 px-4 py-6 [-webkit-app-region:no-drag]"      role="dialog"      aria-modal="true"      aria-label="Expanded image preview"    >      <button        type="button"        className="absolute inset-0 z-0 cursor-zoom-out"        aria-label="Close image preview"        onClick={onClose}      />      {preview.images.length > 1 && (        <Button          type="button"          size="icon"          variant="ghost"          className="absolute left-2 top-1/2 z-20 -translate-y-1/2 text-white/90 hover:bg-white/10 hover:text-white sm:left-6"          aria-label="Previous image"          onClick={() => navigateImage(-1)}        >          <ChevronLeftIcon className="size-5" />        </Button>      )}      <div className="relative isolate z-10 max-h-[92vh] max-w-[92vw]">        <Button          type="button"          size="icon-xs"          variant="ghost"          className="absolute right-2 top-2"          onClick={onClose}          aria-label="Close image preview"        >          <XIcon />        </Button>        <img          src={item.src}          alt={item.name}          className="max-h-[86vh] max-w-[92vw] select-none rounded-lg border border-border/70 bg-background object-contain shadow-2xl"          draggable={false}        />        <p className="mt-2 max-w-[92vw] truncate text-center text-xs text-muted-foreground/80">          {item.name}          {preview.images.length > 1 ? ` (${preview.index + 1}/${preview.images.length})` : ""}        </p>      </div>      {preview.images.length > 1 && (        <Button          type="button"          size="icon"          variant="ghost"          className="absolute right-2 top-1/2 z-20 -translate-y-1/2 text-white/90 hover:bg-white/10 hover:text-white sm:right-6"          aria-label="Next image"          onClick={() => navigateImage(1)}        >          <ChevronRightIcon className="size-5" />        </Button>      )}    </div>  );});