import assert from 'node:assert/strict';
import test from 'node:test';

import { applySceneMarkerEraserStroke } from './sceneMarkerEraser';
import type { SceneMarkerStroke } from './types/sceneMarker';

void test('applySceneMarkerEraserStroke: удаляет точки под ластиком', () => {
  const strokes: SceneMarkerStroke[] = [
    {
      id: 'm1',
      seed: 1,
      createdAtMs: 100,
      points: [
        { x: 0.1, y: 0.5, tMs: 100 },
        { x: 0.5, y: 0.5, tMs: 101 },
        { x: 0.9, y: 0.5, tMs: 102 },
      ],
      radiusN: 0.04,
      color: '#ff0000',
    },
  ];
  const next = applySceneMarkerEraserStroke(
    strokes,
    [{ x: 0.5, y: 0.5, tMs: 200 }],
    0.06,
    (prefix) => `${prefix}_new`,
  );
  assert.ok(next.length >= 1);
  assert.ok(next.every((s) => s.points.every((p) => Math.abs(p.x - 0.5) > 0.05)));
});