import {
	Readable,
	Writeable
} from 'stream';

export interface IOptions {
	host: string;
	port?: number;
	username: string;
	password: string;
}

export type DialHandler = (
	// stream to hear interlocutor
	input: Readable,
	// stream to play sounds
	output: Writeable,
	// function to finish the call
	finishCall: () => void
) => void;

export default class SipDialer {

	constructor(options: IOptions);

	dial(
		// phone number to dial
		phoneNumber: string,
		// `dialHandler` should be called after beeps
		dialHandler: DialHandler
	);
}