export class Clock {
  constructor(
    hours = 0,
    minutes = 0
  ) {
    this.minutes = (hours * 60) + minutes;
  }

  toString() {
    // return `${this.getHours().toString().padStart(2, '0')}:${this.getMinutes().toString().padStart(2, '0')}`;
    return `${this.getHours().toString()}:${this.getMinutes().toString()}`;
  }

  getHours() {

    return Math.floor(this.minutes/60) % 24;
  }

  getMinutes() {
    return this.minutes % 60;
  }

  plus(minutes) {
    this.minutes = this.minutes + minutes;
    return this;
  }

  minus(minutes) {
    this.minutes = this.minutes - minutes;
    return this;
  }

  equals(clock) {
    return this.toString() === clock.toString();
  }
}