import { describe, expect, it } from "vitest";
import { createTouchCanvasPointerEvent, createTouchMouseDownEvent } from "./timelineTouchAdapters.js";

describe("timelineTouchAdapters", () => {
  it("creates a primary-button mouse-down adapter for touch handlers", () => {
    const currentTarget = new EventTarget();

    expect(createTouchMouseDownEvent({ clientX: 42, clientY: 17 }, currentTarget)).toMatchObject({
      button: 0,
      clientX: 42,
      currentTarget,
      shiftKey: false,
    });
  });

  it("allows missing targets when creating a touch mouse-down adapter", () => {
    const event = createTouchMouseDownEvent({ clientX: 7, clientY: 9 });

    expect(event.currentTarget).toBeNull();
    expect(() => {
      event.preventDefault();
      event.stopPropagation();
    }).not.toThrow();
  });

  it("creates a canvas pointer event with both coordinates preserved", () => {
    expect(createTouchCanvasPointerEvent({ clientX: 21, clientY: 34 })).toEqual({
      clientX: 21,
      clientY: 34,
    });
  });
});