/**
 * Inquirer.js
 * A collection of common interactive command line user interfaces.
 */

var inquirer = module.exports;


/**
 * Client interfaces
 */

inquirer.prompts = {};

inquirer.Separator = require("./objects/separator");

inquirer.ui = {
  BottomBar: require("./ui/bottom-bar"),
  Prompt: require("./ui/prompt")
};

/**
 * Create a new self-contained prompt module.
 */
inquirer.createPromptModule = function () {
  var promptModule = function( questions, allDone ) {
    var ui = new inquirer.ui.Prompt( promptModule.prompts );
    ui.run( questions, allDone );
    return ui;
  };
  promptModule.prompts = {};

  /**
   * Register a prompt type
   * @param {String} name     Prompt type name
   * @param {Function} prompt Prompt constructor
   * @return {inquirer}
   */

  promptModule.registerPrompt = function( name, prompt ) {
    promptModule.prompts[ name ] = prompt;
    return this;
  };

  /**
   * Register the defaults provider prompts
   */

  promptModule.restoreDefaultPrompts = function () {
    this.registerPrompt( "list", require("./prompts/list"));
    this.registerPrompt( "input", require("./prompts/input"));
    this.registerPrompt( "confirm", require("./prompts/confirm"));
    this.registerPrompt( "rawlist", require("./prompts/rawlist"));
    this.registerPrompt( "expand", require("./prompts/expand"));
    this.registerPrompt( "checkbox", require("./prompts/checkbox"));
    this.registerPrompt( "password", require("./prompts/password"));
  };

  promptModule.restoreDefaultPrompts();

  return promptModule;
};

/**
 * Public CLI helper interface
 * @param  {Array|Object|rx.Observable} questions - Questions settings array
 * @param  {Function} cb - Callback being passed the user answers
 * @return {inquirer.ui.Prompt}
 */

inquirer.prompt = inquirer.createPromptModule();

// Expose helper functions on the top level for easiest usage by common users
inquirer.registerPrompt = function( name, prompt ) {
  inquirer.prompt.registerPrompt( name, prompt );
};
inquirer.restoreDefaultPrompts = function() {
  inquirer.prompt.restoreDefaultPrompts();
};