import { Synthesizer } from './instruments/Synthesizer';

export class Metronome {
    sampler: any;
    ready: Promise<any[]>;
    synth: Synthesizer;

    constructor(mix) {
        this.synth = new Synthesizer({ type: 'sine', gain: 1, mix });
        this.ready = this.synth.ready;
    }
    count(pulse, bars = 1) {
        const count = new Array(bars).fill(
            [new Array(pulse.props.cycle).fill(1)]
        );
        return pulse.tickArray(count, ({ path, deadline }) => {
            this.synth.playKeys([path[2] === 0 ? 90 : 78], { deadline, duration: 0.01, attack: .01, release: .01, decay: .01, sustain: 1 });
        });
    }
}