// getExtendedExitName.js

(function () {
  /* global AdventureJS A */

  var p = AdventureJS.Game.prototype;

  /**
   *
   * @method AdventureJS.Game#getExtendedExitName
   * @memberOf AdventureJS.Game
   * @param {Object} exit
   * @param {Object} destination
   * @returns {String}
   */
  p.getExtendedExitName = function Game_getExtendedExitName(exit, destination) {
    if ("string" === typeof exit) {
      exit = this.game.getAsset(exit);
    }
    if ("string" === typeof destination) {
      destination = this.game.getAsset(destination);
    }
    if (!destination) {
      destination = this.game.getAsset(exit.destination);
    }
    if (!exit || !destination) return "";
    const player = this.game.getPlayer();
    const preposition = " to ";
    const definite_article = destination.definite_article;
    const input = this.game.getInput();
    const subject = input.getSubject();
    const room = subject.getRoom();
    const settings = this.settings;
    let direction = exit.direction;
    let destination_name = destination.name;
    let output = "";

    // named exits are very simple because they
    // already are the destination name
    if (exit.is.named) {
      // add <a>?
      if (this.game.settings.print_exits_links) {
        // destination_name = `<a href="#"
        //   onclick="event.preventDefault(); window.${this.game.game_name}.sendToParser('${destination_name}')"
        //   >${destination_name}</a>`;
        destination_name = `
          <a href="#" 
            class="ajs-exit-link"
            data-destination = "${destination_name}"
          >${destination_name}</a>`;
      }
      output += `
        <span class="ajs-exit-preposition">${preposition}</span> 
        ${definite_article ? definite_article + " " : ""} 
        <span class="ajs-exit-destination">${destination_name}</span>
      `;
    }
    // otherwise we have a directional name
    else {
      // add <a>?
      if (this.game.settings.print_exits_links) {
        // direction = `<a href="#"
        //     onclick="window.${this.game.game_name}.sendToParser('${direction}')"
        //     >${direction}</a>`;
        direction = `
          <a href="#" 
            class="ajs-exit-link"
            data-destination = "${direction}"
          >${direction}</a>`;
      }

      output = `<span class="ajs-exit-direction">${direction}</span>`;

      // decide whether to reveal the destination
      let add_destination = true;

      // get settings that may prevent printing destination
      let print_exits_room_names =
        room.print_exits_room_names === true ||
        (room.print_exits_room_names !== false &&
          settings.print_exits_room_names === true);

      let print_exits_room_names_if_known =
        room.print_exits_room_names_if_known === true ||
        (room.print_exits_room_names_if_known !== false &&
          settings.print_exits_room_names_if_known === true);

      let print_exits_room_names_if_used =
        room.print_exits_room_names_if_used === true ||
        (room.print_exits_room_names_if_used !== false &&
          settings.print_exits_room_names_if_used === true);

      // test settings against current conditions
      if (!print_exits_room_names) {
        add_destination = false;
      }

      if (!player.knowsAbout(destination) && print_exits_room_names_if_known) {
        add_destination = false;
      }

      if (!exit.is.used && print_exits_room_names_if_used) {
        add_destination = false;
      }

      if (add_destination) {
        output += `
        <span class="ajs-exit-preposition">${preposition}</span> 
        ${definite_article ? definite_article + " " : ""} 
        <span class="ajs-exit-destination">${destination_name}</span>
      `;
      }
    }

    return output.trim();
  };
})();