export class Utils {

  public static generateUUID(): string {
    let d: number = new Date().getTime();
    let uuid: string = 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx'.replace(/[x]/g, (c) => {
      let r: number = (d + Math.random() * 16) % 16 | 0;
      d = Math.floor(d / 16);
      return (c == 'x' ? r : (r & 0x3 | 0x8)).toString(16);
    });
    return uuid;
  }

  public static generateFourDigitIDNumber(): number {
    let uuid = Math.floor(1000 + Math.random() * 9000) ;
    return uuid;
  }

}