/*
 * KEMA Mail-A-Friend Feature
 */

$(document).ready(function () {
	$('#mail-friend-link').click(function (e) {
		e.preventDefault();
            var mailAFriendLink = "/MailAFriend.aspx";
            var languagePrefix = $('body').attr("class");
            if (languagePrefix != "en") {
                mailAFriendLink = "/" + languagePrefix + mailAFriendLink;
            }
		$.get(mailAFriendLink, function(data){
			$(data).modal({
				close: false,
				position: ["50%",],
                opacity: 70,
				overlayId: 'contact-overlay',
				containerId: 'contact-container',
				onOpen: contact.open,
				onShow: contact.show,
				onClose: contact.close
			});
		});
	});

	// Preload The Images
	var img = ['mail-cancel.png', 'mail-form_bottom.gif', 'mail-form_top.gif', 'mail-loading.gif', 'mail-send.png'];
	$(img).each(function () {
		var i = new Image();
		i.src = '/Images/' + this;
	});
});

var contact = {
    message: null,
    open: function(dialog) {
        // add padding to the buttons in firefox/mozilla
        if ($.browser.mozilla) {
            $('#contact-container .contact-button').css({
                'padding-bottom': '2px'
            });
        }
        // input field font size
        if ($.browser.safari) {
            $('#contact-container .contact-input').css({
                'font-size': '.9em'
            });
        }

        // dynamically determine height
        var h = 250;

        var title = $('#contact-container .contact-title').html();
        $('#contact-container .contact-title').html('Loading...');
        dialog.overlay.fadeIn(200, function() {
            dialog.container.fadeIn(200, function() {
                dialog.data.fadeIn(200, function() {
                    $('#contact-container .contact-content').animate({
                        height: h
                    }, function() {
                        $('#contact-container .contact-title').html(title);
                        $('#contact-container form').fadeIn(200, function() {
                            $('#contact-container #contact-name').focus();

                            // fix png's for IE 6
                            if ($.browser.msie && $.browser.version < 7) {
                                $('#contact-container .contact-button').each(function() {
                                    if ($(this).css('backgroundImage').match(/^url[("']+(.*\.png)[)"']+$/i)) {
                                        var src = RegExp.$1;
                                        $(this).css({
                                            backgroundImage: 'none',
                                            filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + src + '", sizingMethod="crop")'
                                        });
                                    }
                                });
                            }
                        });
                    });
                });
            });
        });
    },
    show: function(dialog) {
        $('#contact-container .contact-send').click(function(e) {
            e.preventDefault();
            // validate form
            if (contact.validate()) {
                $('#mailPageID').val(document.URL);
				var formValues = $('#contact-container form').serialize();
                $('#contact-container .contact-message').fadeOut(function() {
                    $('#contact-container .contact-message').removeClass('contact-error').empty();
                });
                $('#contact-container .contact-title').html('Sending...');
                $('#contact-container form').fadeOut(200);
                $('#contact-container .contact-content').animate({
                    height: '80px'
                }, function() {
                    $('#contact-container .contact-loading').fadeIn(200, function() {
                        $.ajax({
                            url: '/MailAFriend.aspx',
                            data:  formValues + '&action=send',
                            type: 'post',
                            cache: false,
                            dataType: 'html',
                            complete: function(xhr) {
                                $('#contact-container .contact-loading').fadeOut(200, function() {
                                    $('#contact-container .contact-title').html($('#thankYouText').html());
                                    $('#contact-container .contact-message').html(xhr.responseText).fadeIn(200);
                                });
                            },
                            error: contact.error
                        });
                    });
                });
            }
            else {
                if ($('#contact-container .contact-message:visible').length > 0) {
                    var msg = $('#contact-container .contact-message div');
                    msg.fadeOut(200, function() {
                        msg.empty();
                        contact.showError();
                        msg.fadeIn(200);
                    });
                }
                else {
                    $('#contact-container .contact-message').animate({
                        height: '30px'
                    }, contact.showError);
                }

            }
        });
    },
    close: function(dialog) {
        $('#contact-container .contact-message').fadeOut();
        $('#contact-container .contact-title').html('Goodbye...');
        $('#contact-container form').fadeOut(200);
        $('#contact-container .contact-content').animate({
            height: 40
        }, function() {
            dialog.data.fadeOut(200, function() {
                dialog.container.fadeOut(200, function() {
                    dialog.overlay.fadeOut(200, function() {
                        $.modal.close();
                    });
                });
            });
        });
    },
    error: function(xhr) {
        alert(xhr.statusText);
    },
    validate: function() {
        contact.message = '';
        if (!$('#contact-container #mailYourName').val()) {
            contact.message += $('#requiredNameText').html() + " ";
        }

        var email = $('#contact-container #mailYourEmail').val();
        if (!email) {
            contact.message += $('#requiredEmailText').html() + " ";
        }
        else {
            if (!contact.validateEmail(email)) {
                contact.message += $('#invalidEmailText').html() + " ";
            }
        }

        if (!$('#contact-container #mailFriendName').val()) {
            contact.message += $('#requiredFriendNameText').html() + " ";
        }

        email = $('#contact-container #mailFriendEmail').val();
        if (!email) {
            contact.message += $('#requiredFriendEmailText').html() + " ";
        } else {
            if (!contact.validateEmail(email)) {
                contact.message += $('#invalidFriendEmailText').html() + " ";
            }
        }

        if (contact.message.length > 0) {
            return false;
        }
        else {
            return true;
        }
    },
    validateEmail: function(email) {
        var at = email.lastIndexOf("@");

        // Make sure the at (@) sybmol exists and  
        // it is not the first or last character
        if (at < 1 || (at + 1) === email.length)
            return false;

        // Make sure there aren't multiple periods together
        if (/(\.{2,})/.test(email))
            return false;

        // Break up the local and domain portions
        var local = email.substring(0, at);
        var domain = email.substring(at + 1);

        // Check lengths
        if (local.length < 1 || local.length > 64 || domain.length < 4 || domain.length > 255)
            return false;

        // Make sure local and domain don't start with or end with a period
        if (/(^\.|\.$)/.test(local) || /(^\.|\.$)/.test(domain))
            return false;

        // Check for quoted-string addresses
        // Since almost anything is allowed in a quoted-string address,
        // we're just going to let them go through
        if (!/^"(.+)"$/.test(local)) {
            // It's a dot-string address...check for valid characters
            if (!/^[-a-zA-Z0-9!#$%*\/?|^{}`~&'+=_\.]*$/.test(local))
                return false;
        }

        // Make sure domain contains only valid characters and at least one period
        if (!/^[-a-zA-Z0-9\.]*$/.test(domain) || domain.indexOf(".") === -1)
            return false;

        return true;
    },
    showError: function() {
		$('.error')
			.html(
				$('<div class="active">')
					.append(contact.message)
			).fadeIn(200);
    }
};