/*
 * SonarQube
 * Copyright (C) 2009-2017 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
import Backbone from 'backbone';
import Item from './item';

const STORAGE_KEY = 'sonarqube-workspace';

export default Backbone.Collection.extend({
  model: Item,

  initialize() {
    this.on('remove', this.save);
  },

  save() {
    const dump = JSON.stringify(this.toJSON());
    window.localStorage.setItem(STORAGE_KEY, dump);
  },

  load() {
    const dump = window.localStorage.getItem(STORAGE_KEY);
    if (dump != null) {
      try {
        const parsed = JSON.parse(dump);
        this.reset(parsed);
      } catch (err) {
        // fail silently
      }
    }
  },

  has(model) {
    const forComponent = model.isComponent() && this.findWhere({ key: model.get('key') }) != null;
    const forRule = model.isRule() && this.findWhere({ key: model.get('key') }) != null;
    return forComponent || forRule;
  },

  add2(model) {
    const tryModel = this.findWhere({ key: model.get('key') });
    return tryModel != null ? tryModel : this.add(model);
  }
});