import { describe, expect, it } from 'vitest';

import { resizeCropExpandFrame } from './ImageCanvasCropExpandModel';

describe('ImageCanvasCropExpandModel', () => {
  it('resizes crop-expand frame freely from canvas handles', () => {
    expect(
      resizeCropExpandFrame({
        frame: { x: 100, y: 80, width: 200, height: 120 },
        handle: 'right',
        deltaX: 40,
        deltaY: 0,
        ratio: 'free',
      }),
    ).toEqual({ x: 100, y: 80, width: 240, height: 120 });
  });

  it('keeps a fixed ratio while dragging a crop-expand handle', () => {
    const frame = resizeCropExpandFrame({
      frame: { x: 100, y: 80, width: 200, height: 120 },
      handle: 'bottom-right',
      deltaX: 80,
      deltaY: 10,
      ratio: '1:1',
    });

    expect(frame.width).toBe(frame.height);
    expect(frame).toEqual({ x: 100, y: 80, width: 280, height: 280 });
  });
});