const vorpal = require('vorpal')();

vorpal
  .command('say [words...]')
  .option('-b, --backwards')
  .option('-t, --twice')
  .action(function (args, callback) {
    let str = args.words.join(' ');
    str = (args.options.backwards) ?
      str.split('').reverse().join('') :
      str;
    this.log(str);
    callback();
  });
            

const vorpal = require('vorpal')();

vorpal
  .command('say [words...]')
  .action(function (args, cb) {
    this.log(args.words.join(' '));
    cb();
  });

vorpal
  .command('reverse [words...]')
  .action(function (args, cb) {
    this.log(args.stdin.split('').reverse().join(''));
    cb();
  });

vorpal
  .command('color [color] [text...]')
  .action(function (args, cb) {
    this.log(vorpal.chalk[args.color](args.stdin));
    cb();
  });


            

const vorpal = require('vorpal')();

vorpal
  .command('order pizza')
  .option('--anchovies')
  .action(function (args, cb) {
    const self = this;
    this.prompt({
      type: 'input',
      name: 'time',
      message: 'When would you like your pizza?'
    }, function (result) {
      self.log(`Okay, ${result.time} it is!`);
      cb();
    });
  });
            

const vorpal = require('vorpal')();

const foods = ['burgers', 'chinese', 'pizza', 'sushi'];
const methods = ['a la carte', 'table d\'hote'];
const commandHelp = 'Order a type of food';
const optionHelp = 'How you want your meal served';

vorpal
  .command('order ', commandHelp)
  .option('--method [method]', optionHelp, methods)
  .autocomplete(foods)
  .action(function (args, cb) {
    const food = args.food;
    const method = args.options.method;
    this.log(`You ordered ${food} ${method}.`);
    cb();
  });
            

const Vorpal = require('vorpal');
const chalk = Vorpal().chalk;

const unicorns = Vorpal()
    .delimiter(chalk.magenta('unicorn-land~$'))
    .help(require('./unicorn-help.js'))
    .use(require('./unicorn-commands'))
    .history('unicorn-command-history');

const narwhals = Vorpal()
    .delimiter(chalk.cyan('narwhal-land~$'))
    .help(require('./narwhal-help.js'))
    .use(require('./narwhal-commands'))
    .history('narwhal-command-history');

// One does not exit a magical land!
unicorns
  .find('exit')
  .remove();

unicorns
  .show()
  .parse(process.argv);