// Type definitions for speakeasy v1.0.4
// Project: https://github.com/markbao/speakeasy
// Definitions by: Lucas Woo <https://github.com/legendecas>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

declare module "speakeasy" {

    interface IKey {
        ascii: string;
        base32: string;
        hex: string;
        qr_code_ascii: string;
        qr_code_hex: string;
        qr_code_base32: string;
        google_auth_qr: string;
    }

    interface GenerateOptions {
        length?: number;
        symbols?: boolean;
        qr_codes?: boolean;
        google_auth_qr?: boolean;
        name?: string;
    }

    interface TotpOptions {
        key: string;
        step?: number;
        time?: number;
        initial_time?: number;
        length?: number;
        encoding?: string;
    }

    interface HotpOptions {
        key: string;
        counter: number;
        length?: number;
        encoding?: string;
    }

    export function generate_key(options: GenerateOptions): IKey;

    export function hotp(options: HotpOptions): string;

    export function counter(options: HotpOptions): string;

    export function totp(options: TotpOptions): string;

    export function time(options: TotpOptions): string;
}