(function () {

    "use strict";

    angular
        .module("app.utils")
        .service("appUtils.stateHandler", stateHandler);

    function stateHandler() {

        return {

            save: saveHash,
            goto: goToHash

        };

        // Public methods.

        function saveHash(){
            localStorage.hashUrl = location.hash;
            if (document && document.cookie) {
                document.cookie = "hashUrl=" + location.hash;
            }
        }

        function goToHash(){
            //location.hash = url != "#/login" ? url : "#/main/users/:0";

            var hash = getCookie("hashUrl") || localStorage.hashUrl;
            location.hash = hash != "#/login" ? hash : "#/main/users/:0";
        }

        // Internal methods.

        function getCookie(name) {
            var matches = document.cookie.match(new RegExp(
                "(?:^|; )" + name.replace(/([\.$?*|{}\(\)\[\]\\\/\+^])/g, '\\$1') + "=([^;]*)"
            ));
            return matches ? decodeURIComponent(matches[1]) : undefined;
        }

    }

    // IoC container.
    stateHandler.$inject = [];

})();