/*
 * Bittorrent Client using Qt and libtorrent.
 * Copyright (C) 2018  Thomas Piccirello <thomas.piccirello@gmail.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU 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.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link this program with the OpenSSL project's "OpenSSL" library (or with
 * modified versions of it that use the same license as the "OpenSSL" library),
 * and distribute the linked executables. You must obey the GNU General Public
 * License in all respects for all of the code used other than "OpenSSL".  If you
 * modify file(s), you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete this
 * exception statement from your version.
 */

'use strict';

let loadTorrentPeersTimer;
let syncTorrentPeersLastResponseId = 0;
let show_flags = true;
const loadTorrentPeersData = function() {
    if ($('prop_peers').hasClass('invisible')
        || $('propertiesPanel_collapseToggle').hasClass('panel-expand')) {
        syncTorrentPeersLastResponseId = 0;
        torrentPeersTable.clear();
        return;
    }
    const current_hash = torrentsTable.getCurrentTorrentHash();
    if (current_hash === "") {
        syncTorrentPeersLastResponseId = 0;
        torrentPeersTable.clear();
        clearTimeout(loadTorrentPeersTimer);
        loadTorrentPeersTimer = loadTorrentPeersData.delay(getSyncMainDataInterval());
        return;
    }
    const url = new URI('api/v2/sync/torrentPeers');
    url.setData('rid', syncTorrentPeersLastResponseId);
    url.setData('hash', current_hash);
    new Request.JSON({
        url: url,
        noCache: true,
        method: 'get',
        onComplete: function() {
            clearTimeout(loadTorrentPeersTimer);
            loadTorrentPeersTimer = loadTorrentPeersData.delay(getSyncMainDataInterval());
        },
        onSuccess: function(response) {
            $('error_div').set('html', '');
            if (response) {
                const full_update = (response['full_update'] === true);
                if (full_update)
                    torrentPeersTable.clear();
                if (response['rid'])
                    syncTorrentPeersLastResponseId = response['rid'];
                if (response['peers']) {
                    for (const key in response['peers']) {
                        response['peers'][key]['rowId'] = key;

                        if (response['peers'][key]['client'])
                            response['peers'][key]['client'] = escapeHtml(response['peers'][key]['client']);

                        torrentPeersTable.updateRowData(response['peers'][key]);
                    }
                }
                if (response['peers_removed']) {
                    response['peers_removed'].each(function(hash) {
                        torrentPeersTable.removeRow(hash);
                    });
                }
                torrentPeersTable.updateTable(full_update);
                torrentPeersTable.altRow();

                if (response['show_flags']) {
                    if (show_flags != response['show_flags']) {
                        show_flags = response['show_flags'];
                        torrentPeersTable.columns['country'].force_hide = !show_flags;
                        torrentPeersTable.updateColumn('country');
                    }
                }
            }
            else {
                torrentPeersTable.clear();
            }
        }
    }).send();
};

updateTorrentPeersData = function() {
    clearTimeout(loadTorrentPeersTimer);
    loadTorrentPeersData();
};

torrentPeersTable.setup('torrentPeersTableDiv', 'torrentPeersTableFixedHeaderDiv', null);