/**
 * Attaches the calendar behavior to all required fields
 */
(function($) {
  function makeFocusHandler(e) {
    if (!$(this).hasClass('date-popup-init')) {
      var datePopup = e.data;
      // Explicitely filter the methods we accept.
      switch (datePopup.func) {
        case 'datepicker':
          $(this)
            .datepicker(datePopup.settings)
            .addClass('date-popup-init');
          $(this).click(function(){
            $(this).focus();
          });
          if (datePopup.settings.syncEndDate) {
            $('.start-date-wrapper').each(function(){
              var start_date_wrapper = this;
              $(this).find('input:eq(0)').change(function(){
                $(start_date_wrapper).next('.end-date-wrapper').find('input:eq(0)').val($(this).val());
              });
            });
          }
          break;

        case 'timeEntry':
          $(this)
            .timeEntry(datePopup.settings)
            .addClass('date-popup-init');
          $(this).click(function(){
            $(this).focus();
          });
          break;

        case 'timepicker':
          // Translate the PHP date format into the style the timepicker uses.
          datePopup.settings.timeFormat = datePopup.settings.timeFormat
            // 12-hour, leading zero,
            .replace('h', 'hh')
            // 12-hour, no leading zero.
            .replace('g', 'h')
            // 24-hour, leading zero.
            .replace('H', 'HH')
            // 24-hour, no leading zero.
            .replace('G', 'H')
            // AM/PM.
            .replace('A', 'p')
            // Minutes with leading zero.
            .replace('i', 'mm')
            // Seconds with leading zero.
            .replace('s', 'ss');

          datePopup.settings.startTime = new Date(datePopup.settings.startTime);
          $(this)
            .timepicker(datePopup.settings)
            .addClass('date-popup-init');
          $(this).click(function(){
            $(this).focus();
          });
          break;
      }
    }
  }

  Drupal.behaviors.date_popup = {
    attach: function (context) {
      for (var id in Drupal.settings.datePopup) {
        $('#'+ id).bind('focus', Drupal.settings.datePopup[id], makeFocusHandler);
      }
    }
  };
})(jQuery);