"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.WidgetParser = void 0;
var _Widget = require("./Widget");
var _url = require("./validation/url");
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _createForOfIteratorHelper(r, e) { var t = "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (!t) { if (Array.isArray(r) || (t = _unsupportedIterableToArray(r)) || e && r && "number" == typeof r.length) { t && (r = t); var _n = 0, F = function F() {}; return { s: F, n: function n() { return _n >= r.length ? { done: !0 } : { done: !1, value: r[_n++] }; }, e: function e(r) { throw r; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var o, a = !0, u = !1; return { s: function s() { t = t.call(r); }, n: function n() { var r = t.next(); return a = r.done, r; }, e: function e(r) { u = !0, o = r; }, f: function f() { try { a || null == t["return"] || t["return"](); } finally { if (u) throw o; } } }; }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); } /*
 * Copyright 2020 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.
 */
var WidgetParser = /*#__PURE__*/function () {
  function WidgetParser() {
    _classCallCheck(this, WidgetParser);
  } // private constructor because this is a util class

  /**
   * Parses widgets from the "m.widgets" account data event. This will always
   * return an array, though may be empty if no valid widgets were found.
   * @param {IAccountDataWidgets} content The content of the "m.widgets" account data.
   * @returns {Widget[]} The widgets in account data, or an empty array.
   */
  _createClass(WidgetParser, null, [{
    key: "parseAccountData",
    value: function parseAccountData(content) {
      if (!content) return [];
      var result = [];
      for (var _i = 0, _Object$keys = Object.keys(content); _i < _Object$keys.length; _i++) {
        var _widgetId = _Object$keys[_i];
        var roughWidget = content[_widgetId];
        if (!roughWidget) continue;
        if (roughWidget.type !== "m.widget" && roughWidget.type !== "im.vector.modular.widgets") continue;
        if (!roughWidget.sender) continue;
        var probableWidgetId = roughWidget.state_key || roughWidget.id;
        if (probableWidgetId !== _widgetId) continue;
        var asStateEvent = {
          content: roughWidget.content,
          sender: roughWidget.sender,
          type: "m.widget",
          state_key: _widgetId,
          event_id: "$example",
          room_id: "!example",
          origin_server_ts: 1
        };
        var widget = WidgetParser.parseRoomWidget(asStateEvent);
        if (widget) result.push(widget);
      }
      return result;
    }

    /**
     * Parses all the widgets possible in the given array. This will always return
     * an array, though may be empty if no widgets could be parsed.
     * @param {IStateEvent[]} currentState The room state to parse.
     * @returns {Widget[]} The widgets in the state, or an empty array.
     */
  }, {
    key: "parseWidgetsFromRoomState",
    value: function parseWidgetsFromRoomState(currentState) {
      if (!currentState) return [];
      var result = [];
      var _iterator = _createForOfIteratorHelper(currentState),
        _step;
      try {
        for (_iterator.s(); !(_step = _iterator.n()).done;) {
          var state = _step.value;
          var widget = WidgetParser.parseRoomWidget(state);
          if (widget) result.push(widget);
        }
      } catch (err) {
        _iterator.e(err);
      } finally {
        _iterator.f();
      }
      return result;
    }

    /**
     * Parses a state event into a widget. If the state event does not represent
     * a widget (wrong event type, invalid widget, etc) then null is returned.
     * @param {IStateEvent} stateEvent The state event.
     * @returns {Widget|null} The widget, or null if invalid
     */
  }, {
    key: "parseRoomWidget",
    value: function parseRoomWidget(stateEvent) {
      if (!stateEvent) return null;

      // TODO: [Legacy] Remove legacy support
      if (stateEvent.type !== "m.widget" && stateEvent.type !== "im.vector.modular.widgets") {
        return null;
      }

      // Dev note: Throughout this function we have null safety to ensure that
      // if the caller did not supply something useful that we don't error. This
      // is done against the requirements of the interface because not everyone
      // will have an interface to validate against.

      var content = stateEvent.content || {};

      // Form our best approximation of a widget with the information we have
      var estimatedWidget = {
        id: stateEvent.state_key,
        creatorUserId: content["creatorUserId"] || stateEvent.sender,
        name: content["name"],
        type: content["type"],
        url: content["url"],
        waitForIframeLoad: content["waitForIframeLoad"],
        data: content["data"]
      };

      // Finally, process that widget
      return WidgetParser.processEstimatedWidget(estimatedWidget);
    }
  }, {
    key: "processEstimatedWidget",
    value: function processEstimatedWidget(widget) {
      // Validate that the widget has the best chance of passing as a widget
      if (!widget.id || !widget.creatorUserId || !widget.type) {
        return null;
      }
      if (!(0, _url.isValidUrl)(widget.url)) {
        return null;
      }
      // TODO: Validate data for known widget types
      return new _Widget.Widget(widget);
    }
  }]);
  return WidgetParser;
}();
exports.WidgetParser = WidgetParser;
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