frontend/src/editor/GlossaryView.tsx

import { NodeViewWrapper } from "@tiptap/react";
import { useState, useRef, useCallback } from "react";
import type { NodeViewProps } from "@tiptap/react";

export function GlossaryView({ node, editor, getPos }: NodeViewProps) {
  const term = node.attrs.term as string;
  const definition = node.attrs.definition as string;
  const [showTooltip, setShowTooltip] = useState(false);
  const tooltipTimer = useRef<ReturnType<typeof setTimeout>>();

  const handleMouseEnter = useCallback(() => {
    tooltipTimer.current = setTimeout(() => setShowTooltip(true), 300);
  }, []);

  const handleMouseLeave = useCallback(() => {
    clearTimeout(tooltipTimer.current);
    setShowTooltip(false);
  }, []);

  const remove = useCallback(() => {
    const pos = getPos();
    if (typeof pos === "number") {
      editor.chain().focus().deleteRange({ from: pos, to: pos + 1 }).run();
    }
    setShowTooltip(false);
  }, [editor, getPos]);

  return (
    <NodeViewWrapper
      as="span"
      className="glossary-node"
      onMouseEnter={handleMouseEnter}
      onMouseLeave={handleMouseLeave}
    >
      {term || "term"}
      {showTooltip && (
        <div className="glossary-tooltip">
          <div className="glossary-tooltip-term">{term}</div>
          <div className="glossary-tooltip-def">{definition || "No definition yet."}</div>
          <button
            className="glossary-tooltip-remove"
            onMouseDown={(e) => {
              e.preventDefault();
              e.stopPropagation();
              remove();
            }}
          >
            Remove
          </button>
        </div>
      )}
    </NodeViewWrapper>
  );
}