import { CaretNode, h, t, VNode } from "@caret-js/core";
import { MathExpressionTag } from "../tags/mathExpression";

export class SubtractNode extends CaretNode {
  constructor(public minuend: CaretNode, public subtrahend: CaretNode) {
    super();
    this.addTag(new MathExpressionTag());
  }

  static from(minuend: CaretNode, subtrahend: CaretNode): SubtractNode {
    return new SubtractNode(minuend, subtrahend);
  }

  toDebugMathML(): VNode {
    return h(
      "mrow",
      {},
      this.minuend.toDebugMathML(),
      h("mo", {}, t("-")),
      this.subtrahend.toDebugMathML()
    );
  }
}