/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.onlab.onos.cli.net;

import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.onlab.onos.cli.AbstractShellCommand;
import org.onlab.onos.net.intent.Intent;
import org.onlab.onos.net.intent.IntentId;
import org.onlab.onos.net.intent.IntentService;

import java.math.BigInteger;

/**
 * Removes host-to-host connectivity intent.
 */
@Command(scope = "onos", name = "remove-intent",
         description = "Removes the specified intent")
public class IntentRemoveCommand extends AbstractShellCommand {

    @Argument(index = 0, name = "id", description = "Intent ID",
              required = true, multiValued = false)
    String id = null;

    @Override
    protected void execute() {
        IntentService service = get(IntentService.class);

        if (id.startsWith("0x")) {
            id = id.replaceFirst("0x", "");
        }

        IntentId intentId = IntentId.valueOf(new BigInteger(id, 16).longValue());
        Intent intent = service.getIntent(intentId);
        if (intent != null) {
            service.withdraw(intent);
        }
    }
}