const calendarInit = () => {
  $('#fullCalendar').fullCalendar({
    weekNumbers: true,
    timeFormat: 'H(:mm)',
    height: 750,
    locale: 'cs',
    eventTimeFormat: {
      hour: '2-digit',
      minute: '2-digit',
      second: '2-digit',
      meridiem: false
    },
    plugins: ['dayGrid', 'interaction', 'timeGrid'],
    defaultView: 'agendaWeek',
    selectable: true,
    firstDay: 1,
    scrollTime: '08:30:00',
    slotDuration: '00:15:00',
    slotLabelFormat: 'H:mm',
    minTime: "07:00:00",
    maxTime: "19:00:00",
    editable: true,
    select: (start, end) => {
      $('#calendarModal').modal('show');

      //let title = prompt('Název');
      let newEvent = {};
      newEvent.title = title;
      newEvent.start = start._d;
      newEvent.end = end._d;
      newEvent.allDay = false;
      newEventCreated = JSON.stringify(newEvent);

      $.nette.ajax({
        type: 'GET',
        url: {
          link createEventCalendar!
        },
        data: {
          'data': newEventCreated
        },
      });

      $('#fullCalendar').fullCalendar('renderEvent', newEvent);

    },
    eventRender: (event, element) => {
      element.attr('title', event.tip);
    },
    header: {
      left: '',
      center: 'prev,next',
      right: 'today,month,agendaWeek,agendaDay'
    },
    events: [{
      id: 1,
      title: 'name',
      start: new Date('2019-01-22 11:11'),
      end: new Date('2019-01-22 12:11'),
      backgroundColor: 'red',
    }],
    views: {
      settimana: {
        type: 'agendaWeek',
        duration: {
          days: 7
        },
        title: 'Apertura',
        columnFormat: 'dddd D.M.',
        hiddenDays: [0, 6]
      }
    },
    eventDrop: (event) => {
      var isReserverd = event.status == 'reserved' ? true : false;
      if (isReserverd) {
        if (confirm('Meníte rezervovaný termín, klientovi bude zaslaný email.')) moveEvent(event);
      } else {
        moveEvent(event);
      }
    },
    eventResize: (event) => {
      resizeEvent(event);
    },
  });

  $('#fullCalendar').fullCalendar('render');

}