export const CANVAS_GRID_SNAP_SIZE = 10;
export const CANVAS_GRID_SNAP_STORAGE_KEY = "video-canvas:grid-snap-enabled:v1";

export function resolveCanvasGridSnapPosition({
  deltaX,
  deltaY,
  enabled,
  startX,
  startY,
}: {
  deltaX: number;
  deltaY: number;
  enabled: boolean;
  startX: number;
  startY: number;
}) {
  if (!enabled) {
    return {
      x: Math.round(startX + deltaX),
      y: Math.round(startY + deltaY),
    };
  }

  return {
    x: startX + Math.round(deltaX / CANVAS_GRID_SNAP_SIZE) * CANVAS_GRID_SNAP_SIZE,
    y: startY + Math.round(deltaY / CANVAS_GRID_SNAP_SIZE) * CANVAS_GRID_SNAP_SIZE,
  };
}