'use strict'

import { Node } from './interfaces/Node';

/**
 * Provides an interface for adding web audio nodes.
 */
export class Nodes {
    /**
     * A reference to the AudioContext.
     * 
     * @private
     * 
     * @property {AudioContext}
     */
    private _ctx: AudioContext;

    /**
     * @param {AudioContext} ctx A reference to the AudioContext.
     */
    constructor(ctx: AudioContext) {
        this._ctx = ctx;
    }

    /**
     * Creates a biquadFilter node.
     * 
     * @returns {Node}
     */
    biquadFilter(): Node {
        return { name: 'biquadFilter', instance: this._ctx.createBiquadFilter() };
    }

    /**
     * Creates a gain node.
     * 
     * @returns {Node}
     */
    gain(): Node {
        return { name: 'gain', instance: this._ctx.createGain() };
    }
}