function Login() {

    var $ = jQuery.noConflict();

    var TAG = 'Login.js | ',
        my = {
            $loginForm: null,
            $loginWrapper: null,
            $registrationForm: null,
            $submitLoginInput: null,
            $manualProgramCheckbox: null,
            $customProgramWrapper: null,
            $customProgramInput: null,
            $programSelect: null,
            $programSelectWrapper: null,
        }

    my.C = {
        FIELD_NAME: {
            EMAIL:  'ypsc-email',
            NAME:   'ypsc-name'
        }
    };


    my.init = function() {
        console.debug(TAG + 'init');

        // Selectors
        my.$loginWrapper = $('.ypsc-login-wrapper');
        my.$registrationForm = my.$loginWrapper.find('form.registration-form');

        my.$loginForm = my.$loginWrapper.find('form.login-form');
        my.$submitLoginInput = my.$loginForm.find('input[type=submit]');
        my.$submitRegistrationInput = my.$registrationForm.find('input[type=submit]');
        my.$manualProgramCheckbox = $('#manual-program-checkbox');
        my.$customProgramWrapper = my.$registrationForm.find('.ypsc-program-custom-wrapper');
        my.$customProgramInput = $('#sign-up-ypsc-program-custom');
        my.$programSelect = $('#sign-up-ypsc-program-select');
        my.$programSelectWrapper = my.$registrationForm.find('.input-wrapper.ypsc-program-select');

        // Bindings
        my.$submitLoginInput.on('click', my.onLoginSubmit);
        my.$submitRegistrationInput.on('click', my.onRegistrationSubmit);
        my.$manualProgramCheckbox.on('change', my.onCustomProgramCheckboxChange);

        // Existing validation message?
        my.highlightFormErrorsOnStartup(my.$loginForm);
        my.highlightFormErrorsOnStartup(my.$registrationForm);

    };

    /* Methods ********************************************************************************************************/

    my.formClearValidationMessages = function($form) {
        var $messageList = $form.find('.validation-messages');
        $messageList.hide();
    };

    /**
     *
     * @param $form
     * @param messages {String[]}
     */
    my.formDisplayValidationMessages = function($form, messages) {
        var $messageList = $form.find('.validation-messages');
        var messagesHTML = "";
        for (var i = 0; i < messages.length; i++) {
            messagesHTML += '<li>' + messages[i] + '</li>';
        }
        $messageList.html(messagesHTML);
        $messageList.show(100);
    };

    my.highlightFormErrorsOnStartup = function($form) {
        var $validationMessageList = $form.find('.validation-messages');
        var $validationMessages = $validationMessageList.find('li');
        if ($validationMessages.length > 0) {
            $validationMessageList.show(100);
            // Highlight the field
            var fieldClass;
            $validationMessages.each( function() {
                fieldClass = $(this).attr('class').trim();
                if (fieldClass != "") {
                    $form.find('.input-wrapper.' + fieldClass).addClass('highlight');
                }
            })
        }
    };

    my.highlightElement = function($element) {
        $element.addClass('highlight');
    };

    my.onCustomProgramCheckboxChange = function() {
        if (this.checked) {
            console.debug("checked");
            my.$programSelect.prop("disabled", true);
            my.$programSelectWrapper.addClass('faded');
            my.$customProgramWrapper.removeClass('faded');
            my.$customProgramInput.prop("disabled", false);
        } else {
            console.debug("unchecked");
            my.$programSelect.prop("disabled", false);
            my.$programSelectWrapper.removeClass('faded');
            my.$customProgramWrapper.addClass('faded');
            my.$customProgramInput.prop("disabled", true);
        }
    }

    my.onLoginSubmit = function() {
        return true;
    };

    my.onRegistrationSubmit = function() {
        return true;
    };

    my.removeHighlightFromElement = function($element) {
        $element.removeClass('highlight');
    };


    /* Actions ********************************************************************************************************/

    $(document).ready(my.init);

}

var login = new Login();