/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.ok2c.lightmtp.impl.agent;

import java.io.IOException;
import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.Future;

import org.apache.http.concurrent.BasicFuture;
import org.apache.http.concurrent.FutureCallback;

import com.ok2c.lightmtp.SMTPCode;
import com.ok2c.lightmtp.SMTPCodes;
import com.ok2c.lightmtp.SMTPReply;
import com.ok2c.lightmtp.protocol.BasicDeliveryResult;
import com.ok2c.lightmtp.protocol.DeliveryHandler;
import com.ok2c.lightmtp.protocol.DeliveryRequest;
import com.ok2c.lightmtp.protocol.DeliveryResult;

public class SimpleTestDeliveryHandler implements DeliveryHandler {

    private final Queue<SimpleTestDelivery> deliveries;

    public SimpleTestDeliveryHandler() {
        super();
        this.deliveries = new ConcurrentLinkedQueue<SimpleTestDelivery>();
    }

    public Queue<SimpleTestDelivery> getDeliveries() {
        return this.deliveries;
    }

    @Override
    public Future<DeliveryResult> handle(
            final String messageId,
            final DeliveryRequest request,
            final FutureCallback<DeliveryResult> callback) {
        BasicFuture<DeliveryResult> future = new BasicFuture<DeliveryResult>(callback);
        try {
            SimpleTestDelivery delivery = new SimpleTestDelivery();
            delivery.setSender(request.getSender());
            delivery.setRecipients(request.getRecipients());
            delivery.setContent(ContentUtils.readToString(request.getContent()));
            this.deliveries.add(delivery);
            SMTPReply reply = new SMTPReply(SMTPCodes.OK, new SMTPCode(2, 6, 0), "message accepted");
            future.completed(new BasicDeliveryResult(reply));
        } catch (IOException ex) {
            future.failed(ex);
        }
        return future;
    }

}