import { useCallback, useMemo, useState } from "react";import type { NativeSyntheticEvent } from "react-native"; import { type NativeReviewDiffHighlightScheme } from "../diffs/nativeReviewDiffHighlighter";import { createNativeReviewDiffTheme, type NativeReviewDiffData } from "./nativeReviewDiffAdapter";import { useAppearanceCodeSurface } from "../settings/appearance/useAppearanceCodeSurface";import { useNativeReviewDiffHighlighting } from "./useNativeReviewDiffHighlighting";import { buildNativeReviewTokensResetKey } from "./reviewDiffBridgeKeys"; export { buildNativeReviewTokensResetKey, hashReviewDiffKey } from "./reviewDiffBridgeKeys"; export function useNativeReviewDiffBridge(input: {  readonly threadKey: string | null;  readonly sectionId: string | null;  readonly diff: string | null | undefined;  readonly data: NativeReviewDiffData;  readonly scheme: NativeReviewDiffHighlightScheme;  readonly collapsedFileIds: ReadonlyArray<string>;  readonly viewedFileIds: ReadonlyArray<string>;  readonly selectedRowIds: ReadonlyArray<string>;  readonly canHighlight: boolean;}) {  const {    canHighlight,    collapsedFileIds,    data,    diff,    scheme,    sectionId,    selectedRowIds,    threadKey,    viewedFileIds,  } = input;  const { nativeReviewDiffStyle } = useAppearanceCodeSurface();  const [collapsedCommentIds, setCollapsedCommentIds] = useState<ReadonlySet<string>>(    () => new Set(),  );   const theme = useMemo(() => createNativeReviewDiffTheme(scheme), [scheme]);  const rowsJson = useMemo(() => JSON.stringify(data.rows), [data.rows]);  const collapsedFileIdsJson = useMemo(() => JSON.stringify(collapsedFileIds), [collapsedFileIds]);  const viewedFileIdsJson = useMemo(() => JSON.stringify(viewedFileIds), [viewedFileIds]);  const selectedRowIdsJson = useMemo(() => JSON.stringify(selectedRowIds), [selectedRowIds]);  const collapsedCommentIdsJson = useMemo(    () => JSON.stringify(Array.from(collapsedCommentIds)),    [collapsedCommentIds],  );  const themeJson = useMemo(() => JSON.stringify(theme), [theme]);  const styleJson = useMemo(() => JSON.stringify(nativeReviewDiffStyle), [nativeReviewDiffStyle]);  const tokensResetKey = useMemo(    () =>      buildNativeReviewTokensResetKey({        threadKey,        sectionId,        scheme,        diff,        fileCount: data.files.length,        rowCount: data.rows.length,      }),    [data.files.length, data.rows.length, diff, scheme, sectionId, threadKey],  );  const { tokensPatchJson, updateVisibleRange } = useNativeReviewDiffHighlighting({    files: data.files,    rows: data.rows,    scheme,    resetKey: tokensResetKey,    enabled: canHighlight,  });   const onDebug = useCallback(    (event: NativeSyntheticEvent<Record<string, unknown>>) => {      const payload = event.nativeEvent;      const message = payload.message;      if (        (message === "draw-metrics" || message === "visible-range") &&        typeof payload.firstRowIndex === "number" &&        typeof payload.lastRowIndex === "number"      ) {        updateVisibleRange({          firstRowIndex: payload.firstRowIndex,          lastRowIndex: payload.lastRowIndex,        });      }    },    [updateVisibleRange],  );   const onToggleComment = useCallback(    (event: NativeSyntheticEvent<{ readonly commentId?: string }>) => {      const { commentId } = event.nativeEvent;      if (!commentId) {        return;      }       setCollapsedCommentIds((current) => {        const next = new Set(current);        if (next.has(commentId)) {          next.delete(commentId);        } else {          next.add(commentId);        }        return next;      });    },    [],  );   return {    theme,    rowsJson,    collapsedFileIdsJson,    collapsedCommentIdsJson,    viewedFileIdsJson,    selectedRowIdsJson,    themeJson,    styleJson,    tokensPatchJson,    tokensResetKey,    onDebug,    onToggleComment,  };}