/*
 * index.js
 * Copyright (c) 2019 james@firefly-iii.org
 *
 * This file is part of Firefly III (https://github.com/firefly-iii).
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
/** global: token */
var fixGroupHelper = function (e, tr) {
    "use strict";
    var $originals = tr.children();
    var $helper = tr.clone();
    $helper.children().each(function (index) {
        // Set helper cell sizes to match the original sizes
        $(this).width($originals.eq(index).width());
    });
    return $helper;
};

$(function () {
    "use strict";

    $('#sortable').find('tbody').sortable(
        {
            helper: fixGroupHelper,
            stop: stopSorting,
            items: 'tr.group-sortable',
            handle: '.group-handle',
            start: function (event, ui) {
                // Build a placeholder cell that spans all the cells in the row
                var cellCount = 0;
                $('td, th', ui.helper).each(function () {
                    // For each TD or TH try and get it's colspan attribute, and add that or 1 to the total
                    var colspan = 1;
                    var colspanAttr = $(this).attr('colspan');
                    if (colspanAttr > 1) {
                        colspan = colspanAttr;
                    }
                    cellCount += colspan;
                });

                // Add the placeholder UI - note that this is the item's content, so TD rather than TR
                ui.placeholder.html('<td colspan="' + cellCount + '">&nbsp;</td>');
            }
        }
    );
});



function stopSorting() {
    "use strict";

    $.each($('#sortable>tbody>tr.group-sortable'), function (i, v) {
        var holder = $(v);
        var index = i+1;
        var originalOrder = parseInt(holder.data('order'));
        var id = holder.data('id');
        var name = holder.data('name');

        if (index === originalOrder) {
            // not changed, position is what it should be.
            return;
        }
        console.log('Group "'+name+'" has moved from position ' + originalOrder + ' to ' + index);

        // update position:
        holder.data('order', index);
        $.post('groups/set-order/' + id, {order: index, _token: token});
    });
}