module.exports = {


  friendlyName: 'Confirm',


  description: 'Prompt command-line user to confirm with "y" or "n" before proceeding.',


  extendedDescription: '',


  inputs: {

    message: {
      description: 'The message to display as a prompt for the command-line user',
      example: 'Are you sure?',
      defaultsTo: 'Are you sure?'
    }

  },


  defaultExit: 'success',


  exits: {

    error: {
      description: 'Unexpected error occurred.'
    },

    // sigint: {
    //   friendlyName: 'User pressed CTRL+C',
    //   description: 'The command-line user canceled by pressing CTRL+C.'
    // },

    no: {
      description: 'The command-line user did NOT confirm- she chose "no".'
    },

    success: {
      description: 'The command-line user confirmed by choosing "yes".'
    }

  },


  fn: function(inputs, exits) {
    var inquirer = require('inquirer');

    var spinlock;

    // Since inquirer doesn't allow us to tap into this,
    // we'll handle it here with the help of a spin-lock to ensure
    // that no issues arise.
    //
    // ...but.... this doesn't work yet.
    //////////////////////////////////////////////////////////////////////////////
    // process.on( 'SIGINT', function (){
    //   if (spinlock) return;
    //   spinlock = true;
    //   return exits.sigint();
    // });

    inquirer.prompt([{
      type: 'confirm',
      name: 'choice',
      message: inputs.message || 'Are you sure?'
    }], function (answers){
      if (spinlock) return;
      spinlock = true;
      if (answers.choice){
        return exits.success();
      }
      return exits.no();
    });


    ///////////////////////////////////////////////
    // Lower-level strategy:
    // (causes weird issues though)
    ///////////////////////////////////////////////
    //
    // var didUserConfirm;
    //
    // inquirer.prompt([{
    //   type: 'confirm',
    //   name: 'choice',
    //   message: inputs.message || 'Are you sure?'
    // }]).process.subscribe(
    // function afterAnswer(result){
    //   didUserConfirm = !!result.answer;
    // },
    // function onError(err){
    //   return exits.error(err);
    // },
    // function onComplete () {
    //   if (didUserConfirm === true) {
    //     return exits.success();
    //   }
    //   else if (didUserConfirm === false) {
    //     return exits.no();
    //   }
    //   return exits.error('Consistency violation- answer "'+result.answer+'" is not a valid boolean value.');
    // });

  }

};