/*************************************************************************
 *
 * Troven CONFIDENTIAL
 * __________________
 *
 *  (c) 2017-2020 Troven Ventures Pty Ltd
 *  All Rights Reserved.
 *
 * NOTICE:  All information contained herein is, and remains
 * the property of Troven Pty Ltd and its licensors,
 * if any.  The intellectual and technical concepts contained
 * herein are proprietary to Troven Pty Ltd
 * and its suppliers and may be covered by International and Regional Patents,
 * patents in process, and are protected by trade secret or copyright law.
 * Dissemination of this information or reproduction of this material
 * is strictly forbidden unless prior written permission is obtained
 * from Troven Pty Ltd.
 */

import * as _ from "lodash";
import { IChassisFeature, IOperation } from "../interfaces";

/**
 * Echo
 * ---------
 * return the request as the response
 *
 * @type {{name: string, description: string, title: string, defaults: {path: string}, fn: module.exports.fn}}
 */
export default class echo implements IChassisFeature {
    name = "api.echo";
    title = "return the response";

    fn(operation: IOperation, _options: any): Function {
        false && operation;
        let context = operation.context;
        let defaults = _options.defaults || { now: Date.now(), echo: true };

        return function (req, res) {
            let payload = req.json || req.body || defaults;

            if (req.method == "GET") {
                payload = {
                    path: req.path,
                    url: req.url,
                    params: req.params,
                    query: req.query,
                    headers: req.headers,
                    now: Date.now(),
                };
            }
            context.log({
                code: "api:echo",
                payload: payload,
                typeof: typeof payload,
                defaults: defaults,
            });
            res.status(200);
            res.json({ echo: payload, typeof: typeof payload });
        };
    }
}