var googletag = googletag || {};
googletag.cmd = googletag.cmd || [];

var madops = madops || {};
madops.custom = {};
madops.hasBeenHappened = madops.hasBeenHappened === undefined ? false : madops.hasBeenHappened;

madops.loadScript = function(src, opts){
    if(opts == undefined)
        opts = {};
    var script = document.createElement('script');
    script.src = madops.protocol + src;

    for(var o in opts)
        script[o] = opts[o];
    document.head.appendChild(script);
};
madops.DONE_CONSTANT = 4;
madops.getFsa = function(){
    // This function changes the global environment.
    // Because it makes an outside call, it is way easier that way.
    var xmlhttp = new XMLHttpRequest();

    xmlhttp.onreadystatechange = function() {
        var fsa = 'no fsa';
        // This is for immigrer.com which uses the pace wordpress plugin : https://github.com/HubSpot/pace/issues/261
        var DONE_CONSTANT = 4;
        if (xmlhttp.readyState == madops.DONE_CONSTANT ) {

            if (xmlhttp.status == 200)
                try{fsa = JSON.parse(xmlhttp.responseText).postal_code; } catch (e) {}
            if(fsa == undefined || !fsa)
                fsa = 'no_fsa';
            madops.fsa = fsa;
        }
    };

    xmlhttp.open("GET", madops.protocol + "//geoip.tcadops.ca/geoip", true);
    xmlhttp.send();
};

madops.pixel = function(obj){
    if(obj instanceof Error){
        var tmp = {};
        tmp.message = obj.message;
        tmp.stack = obj.stack;
        obj = tmp;
    }
    var xmlhttp = new XMLHttpRequest();
    xmlhttp.open("GET", madops.protocol + "//pixel.m32.media/madopsv1.png?co=" + madops.getId() + "&fsa=" + madops.fsa + "&stk=" + JSON.stringify(obj));
    xmlhttp.send(null);
};

madops.getParameterByName = function (name, url) {
    if (!url) url = window.location.href;
    name = name.replace(/[\[\]]/g, "\\$&");
    var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)");
    results = regex.exec(url);
    if (!results) return null;
    if (!results[2]) return '';
    return decodeURIComponent(results[2].replace(/\+/g, " "));
};

madops.cookies = {
    createCookie:function(name,value,days) {
        var expires = "";
        if (days) {
            var date = new Date();
            date.setTime(date.getTime() + (days*24*60*60*1000));
            expires = "; expires=" + date.toUTCString();
        }
        document.cookie = name + "=" + value + expires + "; path=/";
    },

    readCookie:function(name) {
        var nameEQ = name + "=";
        var ca = document.cookie.split(';');
        for(var i=0;i < ca.length;i++) {
            var c = ca[i];
            while (c.charAt(0)==' ') c = c.substring(1,c.length);
            if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
        }
        return null;
    },
};

(function(){

    if(madops.hasBeenHappened)
        return;

    madops.hasBeenHappened = true;

    if (madops.cookies.readCookie("m32_debug")){
        madops.debug = true;
    } else if (madops.getParameterByName("m32_debug")) {
        madops.debug = true;
        madops.cookies.createCookie("m32_debug", "true");
    }
    if (madops.getParameterByName('m32adtest')) {
        madops.testUnit = madops.getParameterByName('m32adtest');
        //0.0007 is the fraction of a day that corresponds to a minute
        madops.cookies.createCookie("m32adtest", madops.getParameterByName('m32adtest'), 0.0007);
    } else if (madops.cookies.readCookie("m32adtest")) {
        madops.testUnit = madops.cookies.readCookie("m32adtest");
    }
    madops.protocol = document.location.protocol == 'https:' ? 'https:' : 'http:';
    madops.loadScript('//rdc.m32.media/adops/prebid.js');
    if(madops.debug)
        madops.loadScript('//rdc.m32.media/stg/adops.js');
    else
        madops.loadScript('//rdc.m32.media/adops.min.js');
    if(!(window.googletag && googletag.apiReady))
        madops.loadScript('//www.googletagservices.com/tag/js/gpt.js');
    if (!(window.google && window.google.ima))
        madops.loadScript('//imasdk.googleapis.com/js/sdkloader/ima3.js');
    //}
})();