$(function () {

	//af token
	var afToken = $('input[name=__RequestVerificationToken]');

	//disable inputs
	$('.form-group').each(function () {
		if ($(this).hasClass('disabled')) {
			$(this).find('input').attr('disabled', true);
			$(this).find('select').attr('disabled', true);
			$(this).find('textarea').attr('disabled', true);
		}
	});

	//file upload question
	$('.fileUploadQuestion').each(function (i) {
		var uploadCanceled = false;
		var confirmClearDialog = $(this).find('.confirmClearSelectedFile');
		var clear = $(this).find('.clearSelectedFile');
		var fileDetails = $(this).find('.fileDetails');
		var tempFileNameField = $(fileDetails).find('.temporaryFileNameField');
		var tempUniqueFileNameField = $(fileDetails).find('.temporaryUniqueFileNameField');
		var uploadFileLink = $(this).find('.uploadFileLink');
		var uploadFileDialog = $(this).find('.uploadFileDialog');
		var uploadDialogLink = $(this).find('.uploadDialogUrl');
		var removeTempFileLink = $(this).find('.removeTempFileUrl');
		var uploadFileDialogButtons = { Ok: function () { uploadFile(); }, Cancel: function () { closeDialog(uploadFileDialog); } };
		var fileNameLabel = $(this).find('.fileNameLabel');
		var fileUploadNameContainer = $(this).find('.uploadFileName');

		var closeDialog = function (dialog) {
			$(dialog).dialog("close");
			$(dialog).html('');
		};

		var cancelFileUpload = function () {
			$(uploadFileDialog).dialog('close');
			$(uploadFileDialog).html('');
			$('.statusbar').last().hide();
			uploadCanceled = true;
		};

		var removeTempFile = function (filename) {
			if (filename !== '') {
				$.ajax({
					type: 'POST',
					url: $(removeTempFileLink).val(),
					data: {
						__RequestVerificationToken: $(afToken).val(),
						fileToRemove: filename
					}
				});
			}
		};

		var uploadFile = function () {
			var form = $(uploadFileDialog).find('form');
			$(form).ajaxSubmit({
				iframe: true,
				iframeSrc: '',
				dataType: 'text',
				type: 'POST',
				data: {
					__RequestVerificationToken: $(afToken).val()
				},
				beforeSend: function () {
					$('.statusbar').last().show();
					$(uploadFileDialog).dialog("option", "buttons", { Cancel: function () { cancelFileUpload(); } });
				},
				success: function (data) {
					$('.statusbar').last().hide();
					if (!uploadCanceled) {
						var responseContainer = $(form).find('.responseContainer');
						$(responseContainer).html(data);
						var oldUniqueFileName = $(tempUniqueFileNameField).val();

						var uniqueFileName = $(responseContainer).find('.validResponse').text();
						var newFileName = $(responseContainer).find('.fileName').text();

						if (newFileName != '' && uniqueFileName != '') {
							$(tempFileNameField).val(newFileName);
							$(tempUniqueFileNameField).val(uniqueFileName);
							
							$(fileNameLabel).html(newFileName);
							$(fileNameLabel).click(function (evt) { evt.preventDefault(); });
							
							$(fileNameLabel).css('color', 'black');
							$(fileNameLabel).css('text-decoration', 'none');
							$(fileNameLabel).css('cursor', 'default');
							
							$(clear).show();
							$(fileUploadNameContainer).show();
							
							closeDialog(uploadFileDialog);
							removeTempFile(oldUniqueFileName);
						}
						else {
							alert("An error has occurred. Please make sure you have followed the upload instructions and try again.");
						}
					}
					else {
						removeTempFile(data);
						uploadCanceled = false;
					}
				},
				error: function (data) {
					alert(data);
				},
				complete: function () {
					$(uploadFileDialog).dialog("option", "buttons", uploadFileDialogButtons);
				}
			});
			return false;
		};

		$(confirmClearDialog).dialog({
			title: 'Remove File',
			modal: true,
			autoOpen: false,
			resizable: false,
			draggable: false,
			position: 'center',
			buttons: {
				"Ok": function () {
					if ($(tempFileNameField).val() != '') {
						removeTempFile($(tempFileNameField).val());
					}

					$(fileDetails).find('input').each(function () { $(this).val(''); });
					$(clear).hide();
					$(fileUploadNameContainer).hide();
					$(fileNameLabel).html('');
					$(this).dialog('close');
				},
				"Cancel": function () {
					$(this).dialog('close');
				}
			}
		});

		$(uploadFileDialog).dialog({
			modal: true,
			autoOpen: false,
			resizable: false,
			draggable: false,
			width: 400,
			position: 'center',
			closeOnEscape: false,
			open: function () { $(".ui-dialog-titlebar-close").hide(); },
			buttons: uploadFileDialogButtons
		});

		$(clear).click(function (evt) {
			evt.preventDefault();
			$(confirmClearDialog).dialog('open');
		});

		$(uploadFileLink).click(function (evt) {
			evt.preventDefault();
			var ajaxResponse = $.ajax({
				cache: false,
				type: 'GET',
				url: $(uploadDialogLink).val(),
				beforeSend: function () {
					$('.statusbar').last().show();
				},
				success: function (data) {
					$(uploadFileDialog).html(data);
				},

				complete: function () {
					$('.statusbar').last().hide();
					$(uploadFileDialog).dialog('open');
				}
			});

		});
	});

	//ranking questions
	$('.rankingQuestion').each(function (i) {
		var rankingQuestion = this;
		var disableSelectedRanks = function () {
			$(rankingQuestion).find('option').attr('disabled', false);
			$(rankingQuestion).find('option:selected').each(function (j) {
				var selectedValue = $(this).val();
				var selectedText = $(this).text();

				if (parseInt(selectedText) > 0) {
					$(rankingQuestion).find("option[text=" + selectedText + "]").each(function (k) {
						var option = this;
						if (!$(option).attr('selected'))
							$(option).attr('disabled', true);
					});
				}
			});
		};

		disableSelectedRanks();

		$('.rankingAnswer').each(function (j) {
			var rankingAnswer = this;
			var rankingDropDown = $(this).find('.rankingDropDown');
			var freeTextBox = $(rankingAnswer).find('input[type="text"]');
			var freeTextArea = $(rankingAnswer).find('textarea');
			var freeTextAnswer = $(rankingAnswer).find('.freeTextAnswerId');

			var updateRank = function() {
				if ($(freeTextBox).val() != '' || $(freeTextArea).val() != '') {
					freeTextAnswer.val($(rankingDropDown).val());
				}
			};

			updateRank();

			freeTextBox.change(function () {
				updateRank();
			});

			freeTextArea.change(function () {
				updateRank();
			});

			rankingDropDown.change(function () {
				updateRank();
				disableSelectedRanks();
			});
		});
	});


	/* Enable Tooltips */
	$('.tooltip').kendoTooltip({
		position: 'right'
	});

});