"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.runTemplate = runTemplate;
exports.toString = toString;

/*
 * Copyright 2020, 2021 The Matrix.org Foundation C.I.C.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
function runTemplate(url, widget, params) {
  // Always apply the supplied params over top of data to ensure the data can't lie about them.
  var variables = Object.assign({}, widget.data, {
    'matrix_room_id': params.widgetRoomId || "",
    'matrix_user_id': params.currentUserId,
    'matrix_display_name': params.userDisplayName || params.currentUserId,
    'matrix_avatar_url': params.userHttpAvatarUrl || "",
    'matrix_widget_id': widget.id,
    // TODO: Convert to stable (https://github.com/matrix-org/matrix-doc/pull/2873)
    'org.matrix.msc2873.client_id': params.clientId || "",
    'org.matrix.msc2873.client_theme': params.clientTheme || "",
    'org.matrix.msc2873.client_language': params.clientLanguage || ""
  });
  var result = url;

  for (var _i = 0, _Object$keys = Object.keys(variables); _i < _Object$keys.length; _i++) {
    var key = _Object$keys[_i];
    // Regex escape from https://stackoverflow.com/a/6969486/7037379
    var pattern = "$".concat(key).replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string

    var rexp = new RegExp(pattern, 'g'); // This is technically not what we're supposed to do for a couple of reasons:
    // 1. We are assuming that there won't later be a $key match after we replace a variable.
    // 2. We are assuming that the variable is in a place where it can be escaped (eg: path or query string).

    result = result.replace(rexp, encodeURIComponent(toString(variables[key])));
  }

  return result;
}

function toString(a) {
  if (a === null || a === undefined) {
    return "".concat(a);
  }

  return String(a);
}