// Introcard.js
(function () {
  /* global AdventureJS A */

  /**
   * @class AdventureJS.Introcard
   * @ajsinternal
   * @param {Game} game A reference to the game instance.
   * @ajsnavheading EngineClasses
   * @summary Manages the introcard for a {@link AdventureJS.Game|Game} instance.
   * @classdesc
   * <p>
   * <strong>Introcard</strong> is a repository for properties
   * used to print an introductory screen
   * at the start of the game. Introcard is created automatically
   * by {@link AdventureJS.Game|Game}. This is an internal class
   * that authors should not need to construct. However, authors
   * can set intro options from their game file as shown below.
   * </p>
   * <h3 class="examples">Example:</h3>
   * <pre class="display"><code class="language-javascript">var MyGame = new AdventureJS.Game( "MyGame", "GameDisplay" );
   * MyGame.introcard.set({
   * });
   * </code></pre>
   */
  class Introcard {
    constructor(game) {
      this.game = game;

      /**
       * Optional text to show at the top of the introcard.
       * @var {String} AdventureJS.Introcard#text
       * @default ""
       */
      this.text = ``;

      /**
       * Optional text to show when prompting user to press a key.
       * @var {String} AdventureJS.Introcard#prompt_text
       * @default ""
       */
      this.prompt_text = ``;

      /**
       * If true, prompt the user to press a key to continue.
       * @var {boolean} AdventureJS.Introcard#prompt_to_continue
       * @default false
       */
      this.prompt_to_continue = false;

      /**
       * If true, clear the screen before continuing the game.
       * @var {Boolean} AdventureJS.Introcard#clear_on_continue
       * @default false
       */
      this.clear_on_continue = false;

      /**
       * Hide statusbar when introcard is shown
       * @var {Boolean} AdventureJS.Introcard#hide_statusbar
       * @default false
       */
      this.hide_statusbar = false;

      /**
       * If statusbar was hidden on showing the introcard,
       * restore it on hiding the introcard.
       * @var {Boolean} AdventureJS.Introcard#show_statusbar_on_continue
       * @default true
       */
      this.show_statusbar_on_continue = true;

      /**
       * Hide titlebar when introcard is shown.
       * @var {Boolean} AdventureJS.Introcard#hide_titlebar
       * @default false
       */
      this.hide_titlebar = false;

      /**
       * If titlebar was hidden on showing the introcard,
       * restore it on hiding the introcard.
       * @var {Boolean} AdventureJS.Introcard#show_titlebar_on_continue
       * @default true
       */
      this.show_titlebar_on_continue = true;
    }

    /**
     * Show the introcard.
     * @method AdventureJS.Introcard#show
     */
    show() {
      if (this.hide_statusbar) {
        this.game.display.hideStatusbar();
      }

      if (this.hide_titlebar) {
        this.game.display.hideTitlebar();
      }

      if (this.text) {
        let msg = A.FX.getSAF.call(this.game, this.text);
        this.game.print(msg);
      }

      if (this.prompt_to_continue) {
        if (this.clear_on_continue) {
          this.game.state_vars.clear_on_continue = true;
        }

        if (this.show_statusbar_on_continue) {
          this.game.state_vars.show_statusbar = true;
        }

        if (this.show_titlebar_on_continue) {
          this.game.state_vars.show_titlebar = true;
        }

        this.game.promptUser(this.prompt_text);
      }
    }

    /**
     * Provides a chainable shortcut method for setting a number of properties on the instance.
     * @method AdventureJS.Introcard#set
     * @param {Object} props A generic object containing properties to copy to the instance.
     * @returns {AdventureJS.Introcard} Returns the instance the method is called on (useful for chaining calls.)
     * @chainable
     */
    // set(introcard) {
    //   for (let prop in introcard) {
    //     this[prop] = introcard[prop];
    //   }
    //   return this;
    // }
    set(props) {
      return A.FX.deepSet.call(this.game, props, this);
    }
  }
  AdventureJS.Introcard = Introcard;
})();