import { SHAPES } from '../const.mjs';
import { Point } from '../Point.mjs';

const tempPoints = [new Point(), new Point(), new Point(), new Point()];
class Rectangle {
  /**
   * @param x - The X coordinate of the upper-left corner of the rectangle
   * @param y - The Y coordinate of the upper-left corner of the rectangle
   * @param width - The overall width of the rectangle
   * @param height - The overall height of the rectangle
   */
  constructor(x = 0, y = 0, width = 0, height = 0) {
    this.x = Number(x);
    this.y = Number(y);
    this.width = Number(width);
    this.height = Number(height);
    this.type = SHAPES.RECT;
  }
  /** Returns the left edge of the rectangle. */
  get left() {
    return this.x;
  }
  /** Returns the right edge of the rectangle. */
  get right() {
    return this.x + this.width;
  }
  /** Returns the top edge of the rectangle. */
  get top() {
    return this.y;
  }
  /** Returns the bottom edge of the rectangle. */
  get bottom() {
    return this.y + this.height;
  }
  /** A constant empty rectangle. */
  static get EMPTY() {
    return new Rectangle(0, 0, 0, 0);
  }
  /**
   * Creates a clone of this Rectangle
   * @returns a copy of the rectangle
   */
  clone() {
    return new Rectangle(this.x, this.y, this.width, this.height);
  }
  /**
   * Copies another rectangle to this one.
   * @param rectangle - The rectangle to copy from.
   * @returns Returns itself.
   */
  copyFrom(rectangle) {
    this.x = rectangle.x;
    this.y = rectangle.y;
    this.width = rectangle.width;
    this.height = rectangle.height;
    return this;
  }
  /**
   * Copies this rectangle to another one.
   * @param rectangle - The rectangle to copy to.
   * @returns Returns given parameter.
   */
  copyTo(rectangle) {
    rectangle.x = this.x;
    rectangle.y = this.y;
    rectangle.width = this.width;
    rectangle.height = this.height;
    return rectangle;
  }
  /**
   * Checks whether the x and y coordinates given are contained within this Rectangle
   * @param x - The X coordinate of the point to test
   * @param y - The Y coordinate of the point to test
   * @returns Whether the x/y coordinates are within this Rectangle
   */
  contains(x, y) {
    if (this.width <= 0 || this.height <= 0) {
      return false;
    }
    if (x >= this.x && x < this.x + this.width) {
      if (y >= this.y && y < this.y + this.height) {
        return true;
      }
    }
    return false;
  }
  /**
   * Determines whether the `other` Rectangle transformed by `transform` intersects with `this` Rectangle object.
   * Returns true only if the area of the intersection is >0, this means that Rectangles
   * sharing a side are not overlapping. Another side effect is that an arealess rectangle
   * (width or height equal to zero) can't intersect any other rectangle.
   * @param {Rectangle} other - The Rectangle to intersect with `this`.
   * @param {Matrix} transform - The transformation matrix of `other`.
   * @returns {boolean} A value of `true` if the transformed `other` Rectangle intersects with `this`; otherwise `false`.
   */
  intersects(other, transform) {
    if (!transform) {
      const x02 = this.x < other.x ? other.x : this.x;
      const x12 = this.right > other.right ? other.right : this.right;
      if (x12 <= x02) {
        return false;
      }
      const y02 = this.y < other.y ? other.y : this.y;
      const y12 = this.bottom > other.bottom ? other.bottom : this.bottom;
      return y12 > y02;
    }
    const x0 = this.left;
    const x1 = this.right;
    const y0 = this.top;
    const y1 = this.bottom;
    if (x1 <= x0 || y1 <= y0) {
      return false;
    }
    const lt = tempPoints[0].set(other.left, other.top);
    const lb = tempPoints[1].set(other.left, other.bottom);
    const rt = tempPoints[2].set(other.right, other.top);
    const rb = tempPoints[3].set(other.right, other.bottom);
    if (rt.x <= lt.x || lb.y <= lt.y) {
      return false;
    }
    const s = Math.sign(transform.a * transform.d - transform.b * transform.c);
    if (s === 0) {
      return false;
    }
    transform.apply(lt, lt);
    transform.apply(lb, lb);
    transform.apply(rt, rt);
    transform.apply(rb, rb);
    if (Math.max(lt.x, lb.x, rt.x, rb.x) <= x0 || Math.min(lt.x, lb.x, rt.x, rb.x) >= x1 || Math.max(lt.y, lb.y, rt.y, rb.y) <= y0 || Math.min(lt.y, lb.y, rt.y, rb.y) >= y1) {
      return false;
    }
    const nx = s * (lb.y - lt.y);
    const ny = s * (lt.x - lb.x);
    const n00 = nx * x0 + ny * y0;
    const n10 = nx * x1 + ny * y0;
    const n01 = nx * x0 + ny * y1;
    const n11 = nx * x1 + ny * y1;
    if (Math.max(n00, n10, n01, n11) <= nx * lt.x + ny * lt.y || Math.min(n00, n10, n01, n11) >= nx * rb.x + ny * rb.y) {
      return false;
    }
    const mx = s * (lt.y - rt.y);
    const my = s * (rt.x - lt.x);
    const m00 = mx * x0 + my * y0;
    const m10 = mx * x1 + my * y0;
    const m01 = mx * x0 + my * y1;
    const m11 = mx * x1 + my * y1;
    if (Math.max(m00, m10, m01, m11) <= mx * lt.x + my * lt.y || Math.min(m00, m10, m01, m11) >= mx * rb.x + my * rb.y) {
      return false;
    }
    return true;
  }
  /**
   * Pads the rectangle making it grow in all directions.
   * If paddingY is omitted, both paddingX and paddingY will be set to paddingX.
   * @param paddingX - The horizontal padding amount.
   * @param paddingY - The vertical padding amount.
   * @returns Returns itself.
   */
  pad(paddingX = 0, paddingY = paddingX) {
    this.x -= paddingX;
    this.y -= paddingY;
    this.width += paddingX * 2;
    this.height += paddingY * 2;
    return this;
  }
  /**
   * Fits this rectangle around the passed one.
   * @param rectangle - The rectangle to fit.
   * @returns Returns itself.
   */
  fit(rectangle) {
    const x1 = Math.max(this.x, rectangle.x);
    const x2 = Math.min(this.x + this.width, rectangle.x + rectangle.width);
    const y1 = Math.max(this.y, rectangle.y);
    const y2 = Math.min(this.y + this.height, rectangle.y + rectangle.height);
    this.x = x1;
    this.width = Math.max(x2 - x1, 0);
    this.y = y1;
    this.height = Math.max(y2 - y1, 0);
    return this;
  }
  /**
   * Enlarges rectangle that way its corners lie on grid
   * @param resolution - resolution
   * @param eps - precision
   * @returns Returns itself.
   */
  ceil(resolution = 1, eps = 1e-3) {
    const x2 = Math.ceil((this.x + this.width - eps) * resolution) / resolution;
    const y2 = Math.ceil((this.y + this.height - eps) * resolution) / resolution;
    this.x = Math.floor((this.x + eps) * resolution) / resolution;
    this.y = Math.floor((this.y + eps) * resolution) / resolution;
    this.width = x2 - this.x;
    this.height = y2 - this.y;
    return this;
  }
  /**
   * Enlarges this rectangle to include the passed rectangle.
   * @param rectangle - The rectangle to include.
   * @returns Returns itself.
   */
  enlarge(rectangle) {
    const x1 = Math.min(this.x, rectangle.x);
    const x2 = Math.max(this.x + this.width, rectangle.x + rectangle.width);
    const y1 = Math.min(this.y, rectangle.y);
    const y2 = Math.max(this.y + this.height, rectangle.y + rectangle.height);
    this.x = x1;
    this.width = x2 - x1;
    this.y = y1;
    this.height = y2 - y1;
    return this;
  }
  // #if _DEBUG
  toString() {
    return `[vauxcel:Rectangle x=${this.x} y=${this.y} width=${this.width} height=${this.height}]`;
  }
}

export { Rectangle };
//# sourceMappingURL=Rectangle.mjs.map
