define(['stampit'], function (stampit) {
    root = window || exports;

    root.olark || (function (c) {

        var f = window,
            d = document,
            l = f.location.protocol == "https:" ? "https:" : "http:",
            z = c.name,
            r = "load";

        var nt = function () {
            f[z] = function () {
                (a.s = a.s || []).push(arguments)
            };

            var a = f[z]._ = {}, q = c.methods.length;

            while (q--) {
                (function (n) {
                    f[z][n] = function () {
                        f[z]("call", n, arguments)
                    }
                })(c.methods[q])
            }

            a.l = c.loader;
            a.i = nt;

            a.p = {
                0: +new Date
            };

            a.P = function (u) {
                a.p[u] = new Date - a.p[0]
            };

            function s() {
                a.P(r);
                f[z](r)
            }

            f.addEventListener ? f.addEventListener(r, s, false) : f.attachEvent("on" + r, s);

            var ld = function () {
                function p(hd) {
                    hd = "head";
                    return ["<", hd, "></", hd, "><", i, ' onl' + 'oad="var d=', g, ";d.getElementsByTagName('head')[0].", j, "(d.", h, "('script')).", k, "='", l, "//", a.l, "'", '"', "></", i, ">"].join("")
                }

                var i = "body",
                    m = d[i];

                if (!m) {
                    return setTimeout(ld, 100)
                }
                a.P(1);

                var j = "appendChild",
                    h = "createElement",
                    k = "src",
                    n = d[h]("div"),
                    v = n[j](d[h](z)),
                    b = d[h]("iframe"),
                    g = "document",
                    e = "domain",
                    o;

                n.style.display = "none";
                m.insertBefore(n, m.firstChild).id = z;
                b.frameBorder = "0";
                b.id = z + "-loader";

                if (/MSIE[ ]+6/.test(navigator.userAgent)) {
                    b.src = "javascript:false"
                }

                b.allowTransparency = "true";
                v[j](b);
                try {
                    b.contentWindow[g].open()
                } catch (w) {
                    c[e] = d[e];
                    o = "javascript:var d=" + g + ".open();d.domain='" + d.domain + "';";
                    b[k] = o + "void(0);"
                }
                try {
                    var t = b.contentWindow[g];
                    t.write(p());
                    t.close()
                } catch (x) {
                    b[k] = o + 'd.write("' + p().replace(/"/g, String.fromCharCode(92) + '"') + '");d.close();'
                }
                a.P(2)
            };
            ld()
        };

        nt()

    })({
        loader: "static.olark.com/jsclient/loader0.js",
        name: "olark",
        methods: ["configure", "extend", "declare", "identify"]
    })



    return stampit().methods({
        focus: function () { return olark('api.box.expand'); },
        update_user: function (user) {
           user.email && olark('api.visitor.updateEmailAddress', {emailAddress: user.email});
           user.name  && olark('api.visitor.updateFullName'    , {fullName: user.name});
           user.phone.toString() && olark('api.visitor.updatePhoneNumber' , {phoneNumber: user.phone.toString()});
           // TODO rename user._id to user.id
           user._id   && olark('api.visitor.updateCustomFields', {id: user._id});
        }
    }).enclose(function mixin_adapter () {
        this.subscribe('user', this.update_user);
        olark.identify(this.options.token);
        return this
    });
});