/* vim: ts=4:sw=4:expandtab
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

;(function() {
    'use strict';

    /*
     * Provides a persistent collection of conversations for
     * the inbox view. Automatically updates when messages are received.
     *
     */

    window.inbox = new Whisper.ConversationCollection([], {
        comparator: function(model) {
            return -model.get('active_at');
        }
    });

    inbox.on('change:active_at', inbox.sort);
    inbox.on('change:unreadCount', function(model, count) {
        var prev = model.previous('unreadCount') || 0;
        if (count < prev) { // decreased
            var newUnreadCount = textsecure.storage.get("unreadCount", 0) - (prev - count);
            setUnreadCount(newUnreadCount);
            textsecure.storage.put("unreadCount", newUnreadCount);
        }
    });

    function fetch() {
        window.inbox.fetch({
            index: {
                name: 'inbox', // 'inbox' index on active_at
                order: 'desc'  // ORDER timestamp DESC
            }
            // TODO pagination/infinite scroll
            // limit: 10, offset: page*10,
        });
    }

    extension.on('message', fetch);
    fetch();
    setUnreadCount(textsecure.storage.get("unreadCount", 0));

    function setUnreadCount(count) {
        if (count > 0) {
            extension.navigator.setBadgeText(count);
        } else {
            extension.navigator.setBadgeText("");
        }
    }
})();