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/**
 * Copyright (c) 2015, 2019 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 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0
 *
 * SPDX-License-Identifier: EPL-2.0
 */

package org.eclipse.packager.rpm.coding;

import java.util.Optional;
import java.util.function.Supplier;

public enum PayloadCoding
{
    NONE ( "none", NullPayloadCoding::new ),
    GZIP ( "gzip", GzipPayloadCoding::new ),
    LZMA ( "lzma", LZMAPayloadCoding::new ),
    BZIP2 ( "bzip2", BZip2PayloadCoding::new ),
    ZSTD ( "zstd", ZstdPayloadCoding::new ),
    XZ ( "xz", XZPayloadCoding::new );

    private String value;

    private Supplier newInstanceSupplier;

    private PayloadCoding ( final String value, final Supplier newInstanceSupplier )
    {
        this.value = value;
        this.newInstanceSupplier = newInstanceSupplier;
    }

    public String getValue ()
    {
        return this.value;
    }

    public PayloadCodingProvider createProvider ()
    {
        return this.newInstanceSupplier.get ();
    }

    public static Optional fromValue ( final String payloadCoding )
    {
        if ( payloadCoding == null )
        {
            return Optional.of ( GZIP );
        }

        for ( final PayloadCoding coding : values () )
        {
            if ( coding.value.equals ( payloadCoding ) )
            {
                return Optional.of ( coding );
            }
        }

        return Optional.empty ();
    }
}