import { BookmarkIcon, FileIcon, FileTextIcon } from "lucide-react";import { memo, useEffect, useRef, useState } from "react";import { assistantCitationsToPlainText } from "@t3tools/shared/assistantCitations"; import { formatRelativeTimeLabel } from "../../timestampFormat";import { cn } from "~/lib/utils";import { type PromptStashEntry } from "../../promptStashStore";import { ComposerBanner } from "./ComposerBanner"; const SNIPPET_MAX_CHARS = 90; /** Images that did not make it into the entry, whatever the reason. */function missingImageCount(entry: PromptStashEntry): number {  return entry.droppedImageNames.length + (entry.unreadableImageNames?.length ?? 0);} function stashEntrySnippet(entry: PromptStashEntry): string {  const trimmed = assistantCitationsToPlainText(entry.prompt).trim().replace(/\s+/g, " ");  if (trimmed.length > 0) {    return trimmed.length > SNIPPET_MAX_CHARS ? `${trimmed.slice(0, SNIPPET_MAX_CHARS)}…` : trimmed;  }  const imageCount = entry.attachments.length + entry.droppedImageNames.length;  const fileCount = entry.files?.length ?? 0;  const attachmentCount = imageCount + fileCount;  if (attachmentCount === 0) {    return "(empty)";  }  const label = imageCount > 0 && fileCount > 0 ? "attachment" : fileCount > 0 ? "file" : "image";  return `(${attachmentCount} ${label}${attachmentCount === 1 ? "" : "s"})`;} /** * Attached banner listing the stashed prompts. Opened by the stash badge or ⌘S * when the empty composer cannot restore a single entry. Navigated with arrows, * restored with Enter, dismissed with Escape. The listener runs capture-phase * on window so it wins over the Lexical editor's handlers while the menu is open. */export const ComposerStashMenu = memo(function ComposerStashMenu(props: {  entries: ReadonlyArray<PromptStashEntry>;  stashShortcutLabel: string | null;  onRestore: (entry: PromptStashEntry) => void;  onDelete: (entry: PromptStashEntry) => void;  onClose: () => void;}) {  const { entries, stashShortcutLabel, onRestore, onDelete, onClose } = props;  const drawerRef = useRef<HTMLDivElement>(null);  const [highlightedId, setHighlightedId] = useState<string | null>(entries[0]?.id ?? null);   const highlightedEntry = entries.find((entry) => entry.id === highlightedId) ?? entries[0];   useEffect(() => {    const closeOnOutsidePointer = (event: PointerEvent) => {      const drawer = drawerRef.current;      if (        (drawer && event.composedPath().includes(drawer)) ||        (event.target instanceof Element &&          event.target.closest('[data-prompt-stash-badge="true"]'))      ) {        return;      }      onClose();    };    document.addEventListener("pointerdown", closeOnOutsidePointer, true);    return () => document.removeEventListener("pointerdown", closeOnOutsidePointer, true);  }, [onClose]);   useEffect(() => {    const handler = (event: KeyboardEvent) => {      if (event.key === "Escape") {        event.preventDefault();        event.stopPropagation();        onClose();        return;      }      if (event.key === "ArrowDown" || event.key === "ArrowUp") {        if (entries.length === 0) return;        event.preventDefault();        event.stopPropagation();        const currentIndex = entries.findIndex((entry) => entry.id === highlightedEntry?.id);        const offset = event.key === "ArrowDown" ? 1 : -1;        const normalizedIndex = currentIndex >= 0 ? currentIndex : offset === 1 ? -1 : 0;        const nextIndex = (normalizedIndex + offset + entries.length) % entries.length;        setHighlightedId(entries[nextIndex]?.id ?? null);        const nextButton =          drawerRef.current?.querySelectorAll<HTMLButtonElement>("[data-stash-restore]")[nextIndex];        nextButton?.scrollIntoView({ block: "nearest" });        if (drawerRef.current?.contains(document.activeElement)) {          nextButton?.focus({ preventScroll: true });        }        return;      }      if (event.key === "Enter") {        // A focused control inside the row (the delete button) owns its own        // activation; swallowing Enter here would restore instead of delete.        if (event.target instanceof HTMLElement && event.target.closest("button[aria-label]")) {          return;        }        if (!highlightedEntry) return;        event.preventDefault();        event.stopPropagation();        onRestore(highlightedEntry);        return;      }      if (event.key === "Backspace" && (event.metaKey || event.ctrlKey)) {        if (!highlightedEntry) return;        event.preventDefault();        event.stopPropagation();        onDelete(highlightedEntry);      }    };    window.addEventListener("keydown", handler, true);    return () => window.removeEventListener("keydown", handler, true);  }, [entries, highlightedEntry, onClose, onDelete, onRestore]);   return (    <ComposerBanner.Root ref={drawerRef} data-composer-stash-drawer="true">      <ComposerBanner.Row        render={<button type="button" />}        aria-label="Close stash"        aria-expanded="true"        onPointerDown={(event) => event.preventDefault()}        onClick={onClose}      >        <ComposerBanner.Icon>          <BookmarkIcon />        </ComposerBanner.Icon>        <ComposerBanner.Content className="text-muted-foreground">Stash</ComposerBanner.Content>        <ComposerBanner.Actions>          <ComposerBanner.Count>{entries.length}</ComposerBanner.Count>          <ComposerBanner.ToggleIcon expanded />        </ComposerBanner.Actions>      </ComposerBanner.Row>      <ComposerBanner.Scroll>        <ComposerBanner.Children render={<ul role="list" />} aria-label="Stashed prompts">          {entries.length === 0 ? (            <ComposerBanner.Row render={<li />}>              <ComposerBanner.Icon />              <ComposerBanner.Content className="text-muted-foreground">                Nothing stashed yet.                {stashShortcutLabel                  ? ` Press ${stashShortcutLabel} with a prompt in the composer to stash it.`                  : null}              </ComposerBanner.Content>            </ComposerBanner.Row>          ) : (            entries.map((entry) => (              <ComposerBanner.Row                render={<li />}                key={entry.id}                data-stash-entry={entry.id}                data-highlighted={highlightedEntry?.id === entry.id || undefined}                className={cn(                  "relative rounded-sm",                  highlightedEntry?.id === entry.id && "bg-accent text-accent-foreground",                )}                onMouseMove={() => {                  if (highlightedId !== entry.id) setHighlightedId(entry.id);                }}                onFocus={() => setHighlightedId(entry.id)}              >                <ComposerBanner.Icon>                  <FileTextIcon />                </ComposerBanner.Icon>                <ComposerBanner.Content>                  <button                    type="button"                    className="min-w-0 flex-1 cursor-pointer truncate text-left text-foreground/80 outline-none before:absolute before:inset-0 before:rounded-sm focus-visible:before:ring-2 focus-visible:before:ring-ring"                    data-stash-restore={entry.id}                    aria-label={`Restore stashed prompt: ${stashEntrySnippet(entry)}`}                    onPointerDown={(event) => event.preventDefault()}                    onClick={() => onRestore(entry)}                  >                    {stashEntrySnippet(entry)}                  </button>                </ComposerBanner.Content>                <ComposerBanner.Actions>                  {entry.pendingImageCount ? (                    <span className="shrink-0 text-muted-foreground">                      saving {entry.pendingImageCount} image                      {entry.pendingImageCount === 1 ? "" : "s"}…                    </span>                  ) : missingImageCount(entry) > 0 ? (                    <span className="shrink-0 text-warning-foreground">                      {missingImageCount(entry)} image                      {missingImageCount(entry) === 1 ? "" : "s"} dropped                    </span>                  ) : null}                  {entry.attachments.length > 0 ? (                    <span className="flex shrink-0 items-center -space-x-1.5">                      {entry.attachments.slice(0, 3).map((attachment) => (                        <img                          key={attachment.id}                          src={attachment.dataUrl}                          alt=""                          aria-hidden="true"                          className="size-4 rounded border border-border/70 object-cover"                        />                      ))}                    </span>                  ) : null}                  {(entry.files?.length ?? 0) > 0 ? (                    <span className="flex shrink-0 items-center gap-1 text-muted-foreground">                      <FileIcon className="size-3" aria-hidden />                      {entry.files!.length}                    </span>                  ) : null}                  <time                    dateTime={entry.createdAt}                    className="shrink-0 text-muted-foreground tabular-nums max-sm:hidden"                  >                    {formatRelativeTimeLabel(entry.createdAt)}                  </time>                  <ComposerBanner.Dismiss                    className="z-10"                    aria-label="Delete stashed prompt"                    onPointerDown={(event) => event.preventDefault()}                    onClick={() => onDelete(entry)}                  />                </ComposerBanner.Actions>              </ComposerBanner.Row>            ))          )}        </ComposerBanner.Children>      </ComposerBanner.Scroll>    </ComposerBanner.Root>  );});