var mobileSurveyModal = (function () {
    var m = this;

    // detect mobile browsers, case insensitive
    this.isMobile = function () {
        if (navigator.userAgent.match(/Android/i)
     || navigator.userAgent.match(/webOS/i)
     || navigator.userAgent.match(/iPhone|iPod|iPad/i)
     || navigator.userAgent.match(/Blackberry|Rim|WebOS/i)
     || navigator.userAgent.match(/mobile/i) // misc mobile including IEMobile
    ) { // is mobile UA
            return true;
        }
        return false;
    };

    this.isMobileSurveyDone = function () {
        var cookieValue = document.cookie.match('(^|;) ?isMobileSurveyDone=([^;]*)(;|$)');
        return cookieValue && (cookieValue[2] == 1) ? true : false;
    }

    // read survey cookie, show survey
    this.show = function () {
        if ($('#mobile_survey_modal').length) return;
        if (window.mobileSurveyDebug) m.debug();

        var modalHtml = '';
        modalHtml += '<div id="mobile_survey_modal">';
        modalHtml += '<p>Would you kindly answer 3 questions to help us improve your mobile experience?</p>';
        modalHtml += '<a href="http://surveyanalytics.com/t/ADVheZMTb8" target="_blank" id="mobile_survey_modal-yes">Yes</a>';
        modalHtml += '<a target="_blank" id="mobile_survey_modal-no">No</a>';
        modalHtml += '</div>';
        $(modalHtml).appendTo('body');
    };

    this.hide = function (e) {
        $('#mobile_survey_modal').remove();
    };

    this.done = function (e) {
        document.cookie = 'isMobileSurveyDone=1'; // unexpiring cookie
        m.hide();
    };

    this.undo = function (e) {
        document.cookie = 'isMobileSurveyDone=0'; // unexpiring cookie
    };

    this.debug = function () {
        console.log('isMobile? ' + m.isMobile());
        console.log('isMobileSurveyDone? ' + m.isMobileSurveyDone());
    };


    this.init = function () {
        //We didnt have 1.7 Jquery api and would have to regression test all jquery so reverted onclick events to older handler.
        //$('body').on('click', '#mobile_survey_modal-yes, #mobile_survey_modal-no', m.done);
        $('#mobile_survey_modal-yes').live("click", function () {
            m.done();
        }),
        $('#mobile_survey_modal-no').live("click", function() {
            m.done();            
        });
        if (window.mobileSurveyDebug || (!m.isMobileSurveyDone() && m.isMobile())) m.show();
    }

    return this;

}).call({});