/********************************************************************************
 * Copyright (c) 2020 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0, or the W3C Software Notice and
 * Document License (2015-05-13) which is available at
 * https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document.
 *
 * SPDX-License-Identifier: EPL-2.0 OR W3C-20150513
 ********************************************************************************/

import { ContentCodec } from "../content-serdes";
import { DataSchema } from "wot-typescript-definitions";

export default class Base64Codec implements ContentCodec {
    private subMediaType: string;

    constructor(subMediaType: string) {
        this.subMediaType = subMediaType;
    }

    getMediaType(): string {
        return this.subMediaType;
    }

    bytesToValue(bytes: Buffer, schema?: DataSchema, parameters?: { [key: string]: string }): string {
        const parsed = bytes.toString("ascii");
        return parsed;
    }

    valueToBytes(value: unknown, schema?: DataSchema, parameters?: { [key: string]: string }): Buffer {
        let body = "";
        if (value !== undefined) {
            body = JSON.stringify(value);
        }
        return Buffer.from(body, "base64");
    }
}