export class CornerRadiusModel {
  public BottomLeft: number = 0;
  public TopLeft: number = 0;
  public TopRight: number = 0;
  public BottomRight: number = 0;

  /**
   *  Returns a CornerRadius from a string, or null if the string format is incorrect.
   *
   * @static
   * @param {string} input A string with format "TopLeft, TopRight, BottomRight, BottomLeft" or "uniformRadius".
   * @memberof CornerRadiusModel
   */
  static parse(input: string): CornerRadiusModel {
    let result: CornerRadiusModel = null;
    const parts = input?.split(',');
    if (parts?.length === 1) {
      result = new CornerRadiusModel(parseFloat(parts[0]));
    } else if (parts?.length >= 4) {
      const margins = parts.map((v) => parseFloat(v));
      result = new CornerRadiusModel(
        margins[0],
        margins[1],
        margins[2],
        margins[3]
      );
    }
    return result;
  }

  constructor(p1?: number, p2?: number, p3?: number, p4?: number) {
    if (
      typeof p1 === 'number' &&
      typeof p2 === 'number' &&
      typeof p3 === 'number' &&
      typeof p4 === 'number'
    ) {
      this.TopLeft = p1;
      this.TopRight = p2;
      this.BottomRight = p3;
      this.BottomLeft = p4;
    } else if (typeof p1 === 'number') {
      this.TopLeft = p1;
      this.TopRight = p1;
      this.BottomRight = p1;
      this.BottomLeft = p1;
    } else {
      this.TopLeft = 0;
      this.TopRight = 0;
      this.BottomRight = 0;
      this.BottomLeft = 0;
    }
  }

  /**
   * Returns a string representation of the CornerRadius.
   *
   * @return {*}  {string}
   * @memberof CornerRadiusModel
   * @wMethod ToString
   */
  toString(): string {
    let str: string = null;

    if (
      this.TopLeft === this.TopRight &&
      this.TopLeft === this.BottomLeft &&
      this.TopLeft === this.BottomRight
    ) {
      str = `${this.TopLeft}`;
    } else {
      str = `${this.TopLeft},${this.TopRight},${this.BottomRight},${this.BottomLeft}`;
    }
    return str;
  }
}