import Value from "./Value";

export default class TimeSignature {
  public static COMMON_TIME = new TimeSignature(4, Value.QUARTER);

  private oneBeat: Value;

  public constructor(private beatsPerMeasure: number, parameter: number | Value) {
    if (typeof parameter === "number") {
      this.oneBeat = new Value(Value.Type.fromBaseDuration(1.0 / parameter as number));
    }
    else {
      this.oneBeat = parameter as Value;
    }
  }

  public getDurationOfMeasure(): number {
    return this.beatsPerMeasure * this.oneBeat.getDuration();
  }

  public getBeatsPerMeasure(): number {
    return this.beatsPerMeasure;
  }

  public getOneBeat(): Value {
    return this.oneBeat;
  }
}