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

  var p = AdventureJS.Game.prototype;

  /**
   *
   * @method AdventureJS.Game#renderIfAssetIs
   * @memberOf AdventureJS.Game
   * @param {String} token
   */
  p.renderIfAssetIs = function Game_renderIfAssetIs(token) {
    let rendered = "";
    let [, condition, substitution] = token.match(/^\[(.*?)\]\s*(.*)$/s);
    let preposition, asset_name, asset, wearing, match, target;

    // condition
    // find asset name between if and is, and property after is
    match = condition.match(/if\s+(.*?)\s+is\s+(.*)/s);
    if (match) {
      asset_name = match[1].trim();
      condition = match[2].trim(); // might still be two words
    }

    if (asset_name) asset = this.game.getAsset(asset_name);

    preposition = ["in ", "on ", "under ", "behind ", "attached "].find(
      (preposition) => condition.startsWith(preposition)
    );

    // if we find a preposition,
    // treat it as "is x in y" ?
    if (preposition) {
      // strip out preposition
      preposition = preposition.trim();
      target = condition.replace(preposition, "").trim();
      // what remains should be an asset name or id
      target = this.game.getAsset(target);
      // if we have both...
      if (target && preposition) {
        if (asset.$is(preposition, target)) {
          rendered = substitution;
        }
      }
    }
    // otherwise treat condition as a property
    else if (asset?.$is(condition)) {
      rendered = substitution;
    }

    return rendered;
  }; //
})();