(function () {

    var scriptName = "enquirywidget.js"; //name of this script, used to get reference to own tag
    var jQuery; //noconflict reference to jquery
    var jqueryPath = "https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js";
    var jqueryVersion = "1.8.3";
    var scriptTag; //reference to the html script tag

    /******** Get reference to self (scriptTag) *********/
    var allScripts = document.getElementsByTagName('script');
    var targetScripts = [];
    for (var i in allScripts) {
        var name = allScripts[i].src
        if(name && name.indexOf(scriptName) > 0)
            targetScripts.push(allScripts[i]);
    }

    scriptTag = targetScripts[targetScripts.length - 1];

    /******** helper function to load external scripts *********/
    function loadScript(src, onLoad) {
        var script_tag = document.createElement('script');
        script_tag.setAttribute("type", "text/javascript");
        script_tag.setAttribute("src", src);

        if (script_tag.readyState) {
            script_tag.onreadystatechange = function () {
                if (this.readyState == 'complete' || this.readyState == 'loaded') {
                    onLoad();
                }
            };
        } else {
            script_tag.onload = onLoad;
        }
        (document.getElementsByTagName("head")[0] || document.documentElement).appendChild(script_tag);
    }

    /******** helper function to load external css  *********/
    function loadCss(href) {
        var link_tag = document.createElement('link');
        link_tag.setAttribute("type", "text/css");
        link_tag.setAttribute("rel", "stylesheet");
        link_tag.setAttribute("href", href);
        (document.getElementsByTagName("head")[0] || document.documentElement).appendChild(link_tag);
    }

    /******** load jquery into 'jQuery' variable then call main ********/
    if (window.jQuery === undefined || window.jQuery.fn.jquery !== jqueryVersion) {
        loadScript(jqueryPath, initjQuery);
    } else {
        initjQuery();
    }

    function initjQuery() {
        jQuery = window.jQuery.noConflict(true);
        main();
    }

    function main() {

        function PopupCenter(url, title, w, h) {
            // Fixes dual-screen position                         Most browsers      Firefox
            var dualScreenLeft = window.screenLeft != undefined ? window.screenLeft : screen.left;
            var dualScreenTop = window.screenTop != undefined ? window.screenTop : screen.top;

            var width = window.innerWidth ? window.innerWidth : document.documentElement.clientWidth ? document.documentElement.clientWidth : screen.width;
            var height = window.innerHeight ? window.innerHeight : document.documentElement.clientHeight ? document.documentElement.clientHeight : screen.height;

            var left = ((width / 2) - (w / 2)) + dualScreenLeft;
            var top = ((height / 2) - (h / 2)) + dualScreenTop;
            var newWindow = window.open(url, title, 'toolbar=no, location=no, status=no, menubar=no, scrollbars=yes, width=' + w + ', height=' + h + ', top=' + top + ', left=' + left);

            // Puts focus on the newWindow
            if (window.focus) {
                newWindow.focus();
            }
        }


        function validateEmail(email) {
            var re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
            return re.test(email.toLowerCase());
        }


        var respondBtn = document.getElementsByClassName("respond-enquire-button");

        if (respondBtn) {


            [].forEach.call(respondBtn, function(btn) {

                btn.addEventListener("click", function() {

                    var agencyid = btn.getAttribute("data-agencyid");
                    var agentemail = btn.getAttribute("data-agentemail");
                    var propertyaddress = btn.getAttribute("data-propertyaddress");

                    var okcontinue = true;

                    if (agencyid && !isNaN(agencyid) && agencyid > 0) {
                        //ok
                    } else {
                        okcontinue = false;
                    }

                    if (agentemail && validateEmail(agentemail) == false) {
                        agentemail = "";
                    }

                    if (propertyaddress && propertyaddress.length < 15) {
                        okcontinue = false;
                    }


                    if (okcontinue == true) {
                        var enquiryURL = "https://respond.realmatic.com.au/api/agencyenquiry.php?a="+agencyid+"&e="+agentemail+"&p="+propertyaddress;

                        PopupCenter(encodeURI(enquiryURL), "Property Enquiry", 500, 665);
                    } else {
                        alert("This button is not configured correctly. Please contact us directly.");
                    }
                });
            });




        }

    }

})();