$(function() {

  var to, searchResults;

  $('#search_form').submit(function()
  {
  	if ($('#to_city').value == '') {
  		alert('To continue, please enter your destination city.');
  		$('#to_city').focus();
  		return false;
  	}
  	if ($('#travelers').value < $('#rooms').value) {
      alert('The Number of rooms cannot be greater than the number of guests. Please correct this to continue.');
      $('#rooms').focus();
      return false;
    }
  	if (($('#travelers').value / $('#rooms').value) > 4) {
  		alert('Sorry, but no more than 4 guests can stay in a room. Please correct this to continue.');
  		$('#rooms').focus();
  		return false;
  	}
    if (!validateDates()) return false;

    if ($('#to_city').val() == to) {
      return false;
    } else {
      to = $('#to_city').val();
    }

    if ($('#searchResults').is(':visible')) {
      $('div#sponsorBadges').show();
      if ($('div#sponsorBadges').height() == 0) $('div#sponsorBadges').height(100);
      $('div#sponsorBadges').block({
        message: '<img src="http://i.qs.stcdn.net/ajax-loader.gif" align="absmiddle" /> Updating. Please wait...',
        css: {
          border: '1px solid #aaa',
          padding: '8px'
        },
        overlayCSS: {
          backgroundColor: '#E3F0F6',
          opacity: 0.6
        }
      });
      $('#Continue').attr('disabled', true);
    }

    $('.fieldError').empty().hide();

    $.ajax({
      url: $(this).attr('action'),
      type: 'POST',
      data: $(this).serialize(),
      success: function(data, state, xhr){
        $('#oops').empty().hide();
        if (xhr.getResponseHeader('content-type') == 'application/json') {
          if (data.error) {
            if (_(data.error.field).isUndefined()) {
              $('#flashMessage').text(data.error.message).show();
            } else {
              $('#'+data.error.field).next().text(data.error.message).show();
            }
            $('#badges, #Continue, #searchResultsCallToAction').hide();
            $('#sponsorBadges').hide().unblock();
          } else {
            searchResults = data;
            updateResults();
            $('#searchResultsCallToAction span:first').text(' in ' + travel_guide_safe(data.destinationForContent));
            $('#searchResultsCallToAction span:last').text(' for ' + travel_guide_safe(data.destinationForContent) + ' hotels');
            getDeals(searchResults.product, data.places.destination, data.destinationForContent);
            getTravelGuide(searchResults.product, data.destinationForContent);
            getTopHotels(data.destinationForContent);
          }
        } else {
          $('#oops').show().html(data);
          $('#badges, #Continue, #searchResultsCallToAction').hide();
          $('#sponsorBadges').unblock();
        }
      }
    });

    return false;
  });

  function updateResults() {
    var results = searchResults;
    $('#sponsorBadges #badges').empty();
    $('#oops').empty().hide();

    if ($('#to_city').val().length == 3) $('#to_city').val(results.places.destination.display_name);

    var departDate = Date.parse($('#depart_date').val()),
        returnDate = Date.parse($('#return_date').val()),
        ii = 1,
        partnerIds = [];

    for (var i=0; i < results.display.length; i++) {
      if (ii > 12) break;

      // depart_date at least min_days_in_advance
      var min = parseFloat(results.display[i].min_days_in_advance);
      if (!_(min).isNaN() && min > 0) {
        if (departDate.compareTo(Date.today().add(min).days()) < 0) continue;
      }

      // depart_date at no more than max_days_in_advance
      var max = parseFloat(results.display[i].max_days_in_advance);
      if (!_(max).isNaN() && max > 0) {
        if (departDate.compareTo(Date.today().add(max).days()) > 0) continue;
      }

      // difference between depart_date and return_date no more than max_duration
      var max = parseFloat(results.display[i].max_duration);
      if (!_(max).isNaN() && max > 0) {
	      if (returnDate.compareTo(Date.parse($('#depart_date').val()).add(max).days()) > -1) continue;
      }

      var min = parseFloat(results.display[i].hotel_min_rooms);
      if (!_(min).isNaN() && min > 0) {
	      if (parseFloat($('#rooms').val()) < min) continue;
      }

      var max = parseFloat(results.display[i].hotel_max_rooms);
      if (!_(max).isNaN() && max > 0) {
	      if (parseFloat($('#rooms').val()) > max) continue;
      }

      var div = $('<div>', { 'class': 'badge' })
      div.append($('<input>', {
        type: 'checkbox',
        value: product_path + "/rd/?" + buildUrl('display', i)
      }));
      div.append($('<img>', {
        src: 'http://i.qs.stcdn.net/logos/' + results.display[i].image.replace(/(\.jpg|\.gif|\.jpeg)$/, '_sm$1'),
        width: 90,
        height: 22
      }));
      if (ii%3 == 0) div.addClass("last");
      div.appendTo('#sponsorBadges #badges');

      partnerIds.push({ category: 'hotels', partner_id: results.display[i].id });

      ii++;
    };

    if ($('#badges .badge').size() < 1) {
      $('#flashMessage').text("Sorry, but there are no partners who match your search criteria. Please amend your search and try again.").show();
      $('#badges, #Continue, #searchResultsCallToAction, #searchResults').hide();
      $('#sponsorBadges').unblock();
    } else {
      Omniture.trackQuickSearch(results, partnerIds);

      $('#flashMessage').hide();
      if ($('#searchResults').is(':visible')) $('div#sponsorBadges').unblock();        
      $('#Continue, #badges, #searchResultsCallToAction, #searchResults').show().attr('disabled', false);
    }
  }

  function buildUrl(type, i){
    return $.param($.extend({
      button_rank: i+1,
      button_max: searchResults[type].length,
      button_type: (type == 'display') ? 'badge' : type,
      name: searchResults[type][i].name,
      id: searchResults[type][i].id,
      route_id: searchResults[type][i].route
    }, searchResults.params));
  }

  function checkAndUpdate(event) {
    if (!_(searchResults).isEmpty() && !_(searchResults.display).isEmpty()) {
      var field = $(this).attr('id');
      if (field != 'to_city') searchResults.params[field] = $(this).val();
      if ($('#to_city').val() != '') updateResults();
    } else {
      checkAndSubmit();
    }
  }

  $('#to_city').focusout(checkAndSubmit);
  $('#hotel_name, #rooms, #travelers, #depart_date, #return_date').change(checkAndUpdate);

});

function validateDates () {
	if (!departureDateValid('depart_date')) {
	  alert('Your chosen check-in date is invalid. To continue, please correct this.');
		$('#depart_date').focus();
		return false;
	}
	if (!returnDateValid('depart_date', 'return_date')) {
		alert('Your chosen check-out date is invalid. To continue, please correct this.');
		$('#return_date').focus();
		return false;
	}
	return true;
}

function checkAndSubmit() {
  if (!validateDates()) return false;
  setTimeout(function(){
    if ($('#to_city').val() != '') $('#search_form').submit();
  }, 200);	
}