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package org.apache.james.imap.encode;

import static java.nio.charset.StandardCharsets.US_ASCII;

import java.io.IOException;

import org.apache.james.imap.message.response.ExpungeResponse;

public class ExpungeResponseEncoder implements ImapResponseEncoder {
    public static final byte[] EXPUNGE = "EXPUNGE".getBytes(US_ASCII);
    private static final int NO_MESSAGE = -1;

    @Override
    public Class acceptableMessages() {
        return ExpungeResponse.class;
    }

    @Override
    public void encode(ExpungeResponse expungeResponse, ImapResponseComposer composer) throws IOException {
        int messageSequenceNumber = expungeResponse.getMessageSequenceNumber().asInt().orElse(NO_MESSAGE);
        composer.untagged().message(messageSequenceNumber).message(EXPUNGE).end();
    }
}