/*
 * Copyright (C) SapphireCode - All Rights Reserved
 * This file is part of Snippeteer which is released under BSD-3-Clause.
 * See file 'LICENSE' for full license details.
 * Created by Timo Hocker <timo@scode.ovh>, June 2020
 */

import { StringOption } from '@sapphirecode/console-app';

export class Menu {
  private _options: Record<string, ()=>void|Promise<void>> = {};
  private _title: string;

  public constructor (title: string) {
    this._title = title;
  }

  public async run (): Promise<void> {
    const options = Object.keys (this._options);
    const selected = await (new StringOption ({
      name:              'menu_select',
      message:           this._title,
      sources:           { console: false },
      exit_on_interrupt: true,
      preset:            options
    }))
      .parse ();
    if (typeof this._options[selected] !== 'undefined')
      await new Promise (this._options[selected]);
  }

  public register_option (name:string, callback:()=>void|Promise<void>): void {
    this._options[name] = callback;
  }
}