/*************************************************************************
 *
 * 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 { IOperation, IChassisPolicy } from "../interfaces";
import { Request, Response } from "express";
import { NextFunction } from "connect";
import * as _ from "lodash";

const IGNORED_HEADERS = ["authorization"];
export default class debug implements IChassisPolicy {
    name = "api.debug";
    title = "Audit-only debug policy";

    fn(operation: IOperation, _options: any): Function {
        let options = _options as any;
        let pkg = operation.context.pkg;

        operation.context.log({ code: "api:debug", options: options });

        return function (req: Request, _res: Response, next: NextFunction) {
            let log = {
                uuid: operation.context.uuid,
                name: pkg.name,
                version: pkg.version,
                method: req.method,
                path: req.path,
                params: req.params,
                query: req.query,
                headers: _.omit(req.headers, IGNORED_HEADERS),
                body: options.body ? req.body : "-disabled-",
                code: "api:request:debug",
                message: operation.actionId,
            };
            operation.context.log(log);

            if (options.echo) {
                _res.send(log);
            } else {
                next();
            }
        };
    }
}