(function() {

    jQuery(document).ready(function() {
        if (Kanboard.Exists("calendar")) {
            var calendar = $('#calendar');

            calendar.fullCalendar({
                lang: $("body").data("js-lang"),
                editable: true,
                eventLimit: true,
                defaultView: "month",
                header: {
                    left: 'prev,next today',
                    center: 'title',
                    right: 'month,agendaWeek,agendaDay'
                },
                eventDrop: function(event) {
                    $.ajax({
                        cache: false,
                        url: calendar.data("save-url"),
                        contentType: "application/json",
                        type: "POST",
                        processData: false,
                        data: JSON.stringify({
                            "task_id": event.id,
                            "date_due": event.start.format()
                        })
                    });
                },
                viewRender: function() {
                    var url = calendar.data("check-url");
                    var params = {
                        "start": calendar.fullCalendar('getView').start.format(),
                        "end": calendar.fullCalendar('getView').end.format()
                    };

                    for (var key in params) {
                        url += "&" + key + "=" + params[key];
                    }

                    $.getJSON(url, function(events) {
                        calendar.fullCalendar('removeEvents');
                        calendar.fullCalendar('addEventSource', events);
                        calendar.fullCalendar('rerenderEvents');
                    });
                }
            });
        }
    });

})();