// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * format_board
 *
 * @package    format_board
 * @author     Rodrigo Brandão (rodrigobrandao.com.br)
 * @copyright  2017 Rodrigo Brandão
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

M.course = M.course || {};

M.course.format = M.course.format || {};

/**
 * get_config
 *
 */
M.course.format.get_config = function() {
    return {
        container_node : 'ul',
        container_class : 'board',
        section_node : 'li',
        section_class : 'section'
    };
};

/**
 * swap_sections
 *
 */
M.course.format.swap_sections = function(Y, node1, node2) {
    var CSS = {
        COURSECONTENT : 'course-content',
        SECTIONADDMENUS : 'section_add_menus'
    };
    var sectionlist = Y.Node.all('.'+CSS.COURSECONTENT+' '+M.course.format.get_section_selector(Y));
    sectionlist.item(node1).one('.'+CSS.SECTIONADDMENUS).swap(sectionlist.item(node2).one('.'+CSS.SECTIONADDMENUS));
};

/**
 * process_sections
 *
 */
M.course.format.process_sections = function(Y, sectionlist, response, sectionfrom, sectionto) {
    var CSS = {
        SECTIONNAME : 'sectionname'
    },
    SELECTORS = {
        SECTIONLEFTSIDE : '.left .section-handle img'
    };
    if (response.action == 'move') {
        if (sectionfrom > sectionto) {
            var temp = sectionto;
            sectionto = sectionfrom;
            sectionfrom = temp;
        }
        var ele, str, stridx, newstr;
        for (var i = sectionfrom; i <= sectionto; i++) {
            var content = Y.Node.create('<span>' + response.sectiontitles[i] + '</span>');
            sectionlist.item(i).all('.'+CSS.SECTIONNAME).setHTML(content);
            ele = sectionlist.item(i).one(SELECTORS.SECTIONLEFTSIDE);
            str = ele.getAttribute('alt');
            stridx = str.lastIndexOf(' ');
            newstr = str.substr(0, stridx +1) + i;
            ele.setAttribute('alt', newstr);
            ele.setAttribute('title', newstr);
        }
    }
};
