import ngModule from '../module';

/**
 * Disables a submitted form while request is being processed
 * Enables again when promise ends
 *
 * @param {Object} $parse
 * @return {Object} The directive
 */
export function directive($parse) {
    return {
        restrict: 'A',
        link: function($scope, $element, $attrs) {
            const cb = $parse($attrs.vnHttpSubmit);
            const element = $element[0];
            $element.on('submit', () => {
                const selector = 'vn-textfield, vn-autocomplete, vn-submit';
                const elements = element.querySelectorAll(selector);
                const fields = angular.element(elements);

                angular.forEach(fields, field => {
                    field.$ctrl.disabled = true;
                });

                cb($scope).finally(() => {
                    angular.forEach(fields, field => {
                        field.$ctrl.disabled = false;
                    });
                });
            });
        }
    };
}

directive.$inject = ['$parse'];

ngModule.directive('vnHttpSubmit', directive);