// This file is part of Level Up XP.
//
// Level Up XP 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.
//
// Level Up XP 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 Level Up XP.  If not, see <https://www.gnu.org/licenses/>.
//
// https://levelup.plus

/**
 * Course resource selector.
 *
 * @module     block_xp/course-resource-selector
 * @copyright  2018 Frédéric Massart
 * @author     Frédéric Massart <fred@branchup.tech>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
define(['jquery', 'core/ajax', 'block_xp/resource-selector'],
    function($, Ajax, ResourceSelector, Pending, Notification) {

        /**
         * Course resource selector.
         *
         * @param {String|jQuery} container The container of the contents.
         * @param {jQuery} searchTermFieldNode The input field in which the use searches.
         */
        function CourseResourceSelector(container, searchTermFieldNode) {
            ResourceSelector.prototype.constructor.apply(this, [container, this.searchFunction.bind(this), searchTermFieldNode]);
        }

        CourseResourceSelector.prototype = Object.create(ResourceSelector.prototype);
        CourseResourceSelector.prototype.constructor = CourseResourceSelector;

        CourseResourceSelector.prototype.searchFunction = function(term) {
            var calls = [
                {
                    methodname: 'block_xp_search_courses',
                    args: {query: term}
                }
            ];

            return Ajax.call(calls)[0].then(function(results) {
                return results.map(function(c) {
                    return {
                        _iscourse: true,
                        name: c.fullname,
                        subname: c.shortname,
                        course: c
                    };
                });
            }).catch(function(e) {
                Notification.exception(e);
            });
        };

        return CourseResourceSelector;
    });
