// packages/editor/src/components/collaborators-overlay/overlay.tsx
import { useResizeObserver, useMergeRefs } from "@wordpress/compose";
import { useCallback, useEffect, useRef, useState } from "@wordpress/element";
import { __ } from "@wordpress/i18n";
import Avatar from "../collaborators-presence/avatar/index.mjs";
import { AVATAR_IFRAME_STYLES } from "./avatar-iframe-styles.mjs";
import { OVERLAY_IFRAME_STYLES } from "./overlay-iframe-styles.mjs";
import { setDelayedInterval } from "./timing-utils.mjs";
import { useBlockHighlighting } from "./use-block-highlighting.mjs";
import { useRenderCursors } from "./use-render-cursors.mjs";
import { jsx, jsxs } from "react/jsx-runtime";
var RERENDER_DELAY_MS = 500;
var CURSOR_REDRAW_INTERVAL_MS = 1e4;
function Overlay({
  blockEditorDocument,
  postId,
  postType,
  cursorRegistry
}) {
  const [overlayElement, setOverlayElement] = useState(null);
  const { cursors, rerenderCursorsAfterDelay } = useRenderCursors(
    overlayElement,
    blockEditorDocument ?? null,
    postId ?? null,
    postType ?? null,
    RERENDER_DELAY_MS
  );
  const { highlights, rerenderHighlightsAfterDelay } = useBlockHighlighting(
    overlayElement,
    blockEditorDocument ?? null,
    postId ?? null,
    postType ?? null,
    RERENDER_DELAY_MS
  );
  const onResize = useCallback(() => {
    rerenderCursorsAfterDelay();
    rerenderHighlightsAfterDelay();
  }, [rerenderCursorsAfterDelay, rerenderHighlightsAfterDelay]);
  const resizeObserverRef = useResizeObserver(onResize);
  useEffect(() => {
    const cleanupCursors = rerenderCursorsAfterDelay();
    const cleanupHighlights = rerenderHighlightsAfterDelay();
    return () => {
      cleanupCursors();
      cleanupHighlights();
    };
  }, [rerenderCursorsAfterDelay, rerenderHighlightsAfterDelay]);
  useEffect(() => {
    if (cursors.length === 0) {
      return;
    }
    return setDelayedInterval(
      rerenderCursorsAfterDelay,
      CURSOR_REDRAW_INTERVAL_MS
    );
  }, [cursors.length, rerenderCursorsAfterDelay]);
  const mergedRef = useMergeRefs([
    setOverlayElement,
    resizeObserverRef
  ]);
  const cursorRefsMap = useRef(/* @__PURE__ */ new Map());
  useEffect(() => {
    if (!cursorRegistry) {
      return;
    }
    const refs = cursorRefsMap.current;
    const currentIds = new Set(cursors.map((c) => c.clientId));
    for (const id of refs.keys()) {
      if (!currentIds.has(id)) {
        cursorRegistry.unregisterCursor(id);
        refs.delete(id);
      }
    }
    for (const [id, el] of refs.entries()) {
      cursorRegistry.registerCursor(id, el);
    }
    return () => cursorRegistry.removeAll();
  }, [cursors, cursorRegistry]);
  const setCursorRef = useCallback(
    (clientId) => (el) => {
      if (el) {
        cursorRefsMap.current.set(clientId, el);
      } else {
        cursorRefsMap.current.delete(clientId);
      }
    },
    []
  );
  return /* @__PURE__ */ jsxs("div", { className: "collaborators-overlay-full", ref: mergedRef, children: [
    /* @__PURE__ */ jsx("style", { children: AVATAR_IFRAME_STYLES + OVERLAY_IFRAME_STYLES }),
    cursors.map((cursor) => /* @__PURE__ */ jsxs("div", { children: [
      !cursor.isMe && cursor.selectionRects?.map((rect, index) => /* @__PURE__ */ jsx(
        "div",
        {
          className: "collaborators-overlay-selection-rect",
          style: {
            left: `${rect.x}px`,
            top: `${rect.y}px`,
            width: `${rect.width}px`,
            height: `${rect.height}px`,
            backgroundColor: cursor.color
          }
        },
        `${cursor.clientId}-sel-${index}`
      )),
      /* @__PURE__ */ jsxs(
        "div",
        {
          ref: setCursorRef(cursor.clientId),
          className: "collaborators-overlay-user",
          style: {
            left: `${cursor.x}px`,
            top: `${cursor.y}px`
          },
          children: [
            !cursor.isMe && /* @__PURE__ */ jsx(
              "div",
              {
                className: "collaborators-overlay-user-cursor",
                style: {
                  backgroundColor: cursor.color,
                  height: `${cursor.height}px`
                }
              }
            ),
            /* @__PURE__ */ jsx(
              Avatar,
              {
                className: "collaborators-overlay-user-label",
                variant: "badge",
                size: "small",
                src: cursor.avatarUrl,
                name: cursor.userName,
                label: cursor.isMe ? __("You") : void 0,
                borderColor: cursor.color
              }
            )
          ]
        }
      )
    ] }, cursor.clientId)),
    highlights.map((highlight) => /* @__PURE__ */ jsx(
      Avatar,
      {
        className: "collaborators-overlay-block-label",
        variant: "badge",
        size: "small",
        src: highlight.avatarUrl,
        name: highlight.userName,
        borderColor: highlight.color,
        style: {
          left: `${highlight.x}px`,
          top: `${highlight.y}px`
        }
      },
      highlight.blockId
    ))
  ] });
}
export {
  Overlay
};
//# sourceMappingURL=overlay.mjs.map
