import { XPositionReference } from '../Enums/XPositionReference';

// TODO: Big refactoring
/**
 * TODO:
 * All of these methods should have been
 * inside ContainerModel class
 * But because of serialization, the methods are lost.
 * Rather than adding more functions to this class,
 * it is better to fix serialization with the reviver.
 */

export function transformX(x: number, width: number, xPositionReference = XPositionReference.Left): number {
  let transformedX = x;
  if (xPositionReference === XPositionReference.Center) {
    transformedX += width / 2;
  } else if (xPositionReference === XPositionReference.Right) {
    transformedX += width;
  }
  return transformedX;
}

export function restoreX(x: number, width: number, xPositionReference = XPositionReference.Left): number {
  let transformedX = x;
  if (xPositionReference === XPositionReference.Center) {
    transformedX -= width / 2;
  } else if (xPositionReference === XPositionReference.Right) {
    transformedX -= width;
  }
  return transformedX;
}

export function ApplyMargin(
  x: number,
  y: number,
  width: number,
  height: number,
  left?: number,
  bottom?: number,
  top?: number,
  right?: number
): { x: number, y: number, width: number, height: number } {
  left = left ?? 0;
  right = right ?? 0;
  bottom = bottom ?? 0;
  top = top ?? 0;
  x = ApplyXMargin(x, left);
  y += top;
  width = ApplyWidthMargin(width, left, right);
  height -= (bottom + top);
  return { x, y, width, height };
}

export function RemoveMargin(
  x: number,
  y: number,
  width: number,
  height: number,
  left?: number,
  bottom?: number,
  top?: number,
  right?: number
): { x: number, y: number, width: number, height: number } {
  bottom = bottom ?? 0;
  top = top ?? 0;
  x = RemoveXMargin(x, left);
  y -= top;
  width = RemoveWidthMargin(width, left, right);
  height += (bottom + top);
  return { x, y, width, height };
}

export function ApplyXMargin(x: number, left?: number): number {
  left = left ?? 0;
  x += left;
  return x;
}

export function RemoveXMargin(x: number, left?: number): number {
  left = left ?? 0;
  x -= left;
  return x;
}

export function ApplyWidthMargin(width: number, left?: number, right?: number): number {
  left = left ?? 0;
  right = right ?? 0;
  width -= (left + right);
  return width;
}

export function RemoveWidthMargin(width: number, left?: number, right?: number): number {
  left = left ?? 0;
  right = right ?? 0;
  width += (left + right);
  return width;
}