/*
 *    Copyright [2015] [wisemapping]
 *
 *   Licensed under WiseMapping Public License, Version 1.0 (the "License").
 *   It is basically the Apache License, Version 2.0 (the "License") plus the
 *   "powered by wisemapping" text requirement on every single page;
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the license at
 *
 *       http://www.wisemapping.org/license
 *
 *   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.
 */
const PersistenceManager = require('../PersistenceManager').default;

const IMenu = new Class({

  initialize(designer, containerId, mapId) {
    $assert(designer, 'designer can not be null');
    $assert(containerId, 'containerId can not be null');

    this._designer = designer;
    this._toolbarElems = [];
    this._containerId = containerId;
    this._mapId = mapId;
    this._mindmapUpdated = false;
    const me = this;
    // Register update events ...
    this._designer.addEvent('modelUpdate', () => {
      me.setRequireChange(true);
    });
  },

  clear() {
    _.each(this._toolbarElems, (item) => {
      item.hide();
    });
  },

  discardChanges(designer) {
    // Avoid autosave before leaving the page ....
    this.setRequireChange(false);

    // Finally call discard function ...
    const persistenceManager = PersistenceManager.getInstance();
    const mindmap = designer.getMindmap();
    persistenceManager.discardChanges(mindmap.getId());

    // Unlock map ...
    this.unlockMap(designer);

    // Reload the page ...
    window.location.reload();
  },

  unlockMap(designer) {
    const mindmap = designer.getMindmap();
    const persistenceManager = PersistenceManager.getInstance();
    persistenceManager.unlockMap(mindmap);
  },

  save(saveElem, designer, saveHistory, sync) {
    // Load map content ...
    const mindmap = designer.getMindmap();
    const mindmapProp = designer.getMindmapProperties();

    // Display save message ..
    if (saveHistory) {
      $notify($msg('SAVING'));
      saveElem.css('cursor', 'wait');
    }

    // Call persistence manager for saving ...
    const menu = this;
    const persistenceManager = PersistenceManager.getInstance();
    persistenceManager.save(mindmap, mindmapProp, saveHistory, {
      onSuccess() {
        if (saveHistory) {
          saveElem.css('cursor', 'pointer');
          $notify($msg('SAVE_COMPLETE'));
        }
        menu.setRequireChange(false);
      },

      onError(error) {
        if (saveHistory) {
          saveElem.css('cursor', 'pointer');

          if (error.severity != 'FATAL') {
            $notify(error.message);
          } else {
            $notifyModal(error.message);
          }
        }
      },
    }, sync);
  },

  isSaveRequired() {
    return this._mindmapUpdated;
  },

  setRequireChange(value) {
    this._mindmapUpdated = value;
  },
});

export default IMenu;