/**
 * @author Martin Karkowski
 * @email m.karkowski@zema.de
 * @create date 2020-03-12 10:59:08
 * @modify date 2020-03-12 10:59:08
 * @desc [description]
 */

import { ITemplate } from '../interfaces/ITemplate';
import { IBaseEdgeOptions } from '../interfaces/IBaseEdgeOptions';
import { IBaseNodeOptions } from '../interfaces/IBaseNodeOptions';
import { IConnectorNode } from '../../../@zema/ZISS-Network/addition-nodes/IConnectorNode';

/**
 * Function to Extract a the Connectors of the Template
 * @param template The Template
 */
export function extractConnectors(template: ITemplate<IBaseNodeOptions | IConnectorNode, IBaseEdgeOptions>) {
    const id = template.nodes[0].id;

    return template.nodes.filter(element => {
        if (element.parent === id && element.isConnector) {
            return element;
        }
    });
}