#!/usr/bin/env node

const This = require('./this');
const { Command } = require('commander');

// Example of subcommands which are implemented as stand-alone executable files.
//
// When `.command()` is invoked with a description argument,
// this tells Commander that you're going to use a stand-alone executable for the subcommand.
//
// Only `install` and `list` are implemented, see pm-install and pm-list.js
class Pm extends This {
  constructor() {
    super();
    this.version = '0.0.1';
    this.description = 'Fake package manager';

    // implement commander abilities
    this.program = new Command().name(this.scriptName).version(this.version).description(this.description);
  }

  // override This.discovery()
  discovery() {
    const methods = this.listMethods();
    return methods;
  }

  start() {
    // Usage
    const pm = new Pm();
    // Output: Methods of ExampleClass: [ 'methodOne', 'methodTwo' ]
    //         Properties of ExampleClass: [ 'propertyOne', 'propertyTwo', 'version' ] and Version: 1.1.0
    // pm.discovery();

    // this.program
    //   .name(this.scriptName)
    //   .version('0.0.1')
    //   .description('Fake package manager')
    //   .command('install [name]', 'install one or more packages')
    //   .alias('i')
    //   .command('search [query]', 'search with optional query')
    //   .alias('s')
    //   .command('update', 'update installed packages', {
    //     executableFile: 'myUpdateSubCommand',
    //   })
    //   .command('list', 'list packages installed', { isDefault: false });

    //this.program.parse();

    // applies logDecorator to this.discovery() and binds it to 'this' to maintain the correct context
    const logDecoratedDiscovery = this._logDecorator(this.discovery).bind(this);
    logDecoratedDiscovery();

    // Try the following on macOS or Linux:
    //    ./examples/pm
    //
    // Try the following:
    //    ./pm
    //    ./pm help install
    //    ./pm install -h
    //    ./pm install foo bar baz
    //    ./pm install foo bar baz --force
  }
}

// main
const pm = new Pm();
// // applies logDecorator to this.discovery() and binds it to the instance to maintain the correct context
// const logDecoratedDiscovery = pm._logDecorator(pm.discovery).bind(pm);
// logDecoratedDiscovery();

pm.start();