/*
 * Copyright 2014 Open Networking Laboratory
 *
 * 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 org.onlab.onos.cli.net;

import java.util.List;

import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.onlab.onos.net.ConnectPoint;
import org.onlab.onos.net.DeviceId;
import org.onlab.onos.net.PortNumber;
import org.onlab.onos.net.flow.TrafficSelector;
import org.onlab.onos.net.flow.TrafficTreatment;
import org.onlab.onos.net.intent.Constraint;
import org.onlab.onos.net.intent.Intent;
import org.onlab.onos.net.intent.IntentService;
import org.onlab.onos.net.intent.PointToPointIntent;

import static org.onlab.onos.net.flow.DefaultTrafficTreatment.builder;

import static org.onlab.onos.net.DeviceId.deviceId;
import static org.onlab.onos.net.PortNumber.portNumber;

/**
 * Installs point-to-point connectivity intents.
 */
@Command(scope = "onos", name = "add-point-intent",
         description = "Installs point-to-point connectivity intent")
public class AddPointToPointIntentCommand extends ConnectivityIntentCommand {

    @Argument(index = 0, name = "ingressDevice",
              description = "Ingress Device/Port Description",
              required = true, multiValued = false)
    String ingressDeviceString = null;

    @Argument(index = 1, name = "egressDevice",
              description = "Egress Device/Port Description",
              required = true, multiValued = false)
    String egressDeviceString = null;

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

        DeviceId ingressDeviceId = deviceId(getDeviceId(ingressDeviceString));
        PortNumber ingressPortNumber = portNumber(getPortNumber(ingressDeviceString));
        ConnectPoint ingress = new ConnectPoint(ingressDeviceId, ingressPortNumber);

        DeviceId egressDeviceId = deviceId(getDeviceId(egressDeviceString));
        PortNumber egressPortNumber = portNumber(getPortNumber(egressDeviceString));
        ConnectPoint egress = new ConnectPoint(egressDeviceId, egressPortNumber);

        TrafficSelector selector = buildTrafficSelector();
        TrafficTreatment treatment = builder().build();

        List<Constraint> constraints = buildConstraints();

        Intent intent = new PointToPointIntent(appId(), selector, treatment,
                                               ingress, egress, constraints);
        service.submit(intent);
    }

    /**
     * Extracts the port number portion of the ConnectPoint.
     *
     * @param deviceString string representing the device/port
     * @return port number as a string, empty string if the port is not found
     */
    public static String getPortNumber(String deviceString) {
        int slash = deviceString.indexOf('/');
        if (slash <= 0) {
            return "";
        }
        return deviceString.substring(slash + 1, deviceString.length());
    }

    /**
     * Extracts the device ID portion of the ConnectPoint.
     *
     * @param deviceString string representing the device/port
     * @return device ID string
     */
    public static String getDeviceId(String deviceString) {
        int slash = deviceString.indexOf('/');
        if (slash <= 0) {
            return "";
        }
        return deviceString.substring(0, slash);
    }
}

@@ -757,16 +757,63 @@
 ommand;%0A
+import org.apache.karaf.shell.commands.Option;%0A
 import o
@@ -1202,31 +1202,23 @@
 Intent;%0A
-%0A
 import 
-static 
 org.onla
@@ -1223,55 +1223,87 @@
 lab.
-onos.net.flow.DefaultTrafficTreatment.builder;%0A
+packet.MacAddress;%0A%0Aimport static com.google.common.base.Strings.isNullOrEmpty;
 %0Aimp
@@ -1406,16 +1406,87 @@
 tNumber;
+%0Aimport static org.onlab.onos.net.flow.DefaultTrafficTreatment.builder;
 %0A%0A/**%0A *
@@ -2138,24 +2138,1251 @@
 ng = null;%0A%0A
+    @Option(name = %22--srcMacRewrite%22, description = %22Source MAC address to rewrite%22,%0A            required = false, multiValued = false)%0A    private String rewriteSrcMacAddressString = null;%0A%0A    @Option(name = %22--dstMacRewrite%22, description = %22Destination MAC address to rewrite%22,%0A            required = false, multiValued = false)%0A    private String rewriteDstMacAddressString = null;%0A%0A%0A    /**%0A     * Generates a traffic treatment for this intent. If the mac address rewrite%0A     * argument is specified the treatment is updated%0A     * to implement the rewrite rule if necessary.%0A     */%0A    private TrafficTreatment buildTrafficTreatment() %7B%0A        final TrafficTreatment.Builder builder = builder();%0A%0A        if (!isNullOrEmpty(rewriteSrcMacAddressString)) %7B%0A            final MacAddress rewriteSrcMacAddress =%0A                    MacAddress.valueOf(rewriteSrcMacAddressString);%0A            builder.setEthSrc(rewriteSrcMacAddress);%0A        %7D%0A        if (!isNullOrEmpty(rewriteDstMacAddressString)) %7B%0A            final MacAddress rewriteDstMacAddress =%0A                    MacAddress.valueOf(rewriteDstMacAddressString);%0A            builder.setEthDst(rewriteDstMacAddress);%0A        %7D%0A        return builder.build();%0A    %7D%0A%0A
     @Overrid
@@ -4075,18 +4075,24 @@
 uild
-er().build
+TrafficTreatment
 ();%0A

ONOS-196 Add --macSrcRewrite and --macDstRewrite options to add-point-intent command