app
        .factory('Variable', function (RewriteService) {
            var defaultValues = {
                name: '',
                defaultValue: '',
                placeholder: '',
                type: null
            };
            var Variable = function (values) {
                angular.copy(angular.extend({}, defaultValues, values || {'new': true}), this);

                if (!angular.isArray(this.values)) {
                    this.values = [];
                }
            };

            Object.defineProperty(Variable.prototype, 'Rewrite', {
                get: function () {
                    if (!this.name) {
                        return null;
                    }
                    delete this.new;

                    this.rewrite = RewriteService.transform(this.name, '_');

                    return this.rewrite;
                }
            });
            return Variable;
        });