/*
 *
 *  Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
 *
 *  This program and the accompanying materials are made available under the
 *  terms of the Eclipse Public License v1.0 which accompanies this distribution,
 *  and is available at http://www.eclipse.org/legal/epl-v10.html
 *
 */

package org.opendaylight.controller.cluster.datastore.util;

import org.junit.Assert;
import org.junit.Test;
import org.opendaylight.controller.protobuff.messages.common.NormalizedNodeMessages;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;

public class InstanceIdentifierUtilsTest {

  private static QName TEST_QNAME =
      QName
          .create("(urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:test?revision=2014-03-13)test");
  private static QName NODE_WITH_VALUE_QNAME =
      QName
          .create("(urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:test?revision=2014-03-13)value");
  private static QName NODE_WITH_PREDICATES_QNAME =
      QName
          .create("(urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:test?revision=2014-03-13)pred");
  private static QName NAME_QNAME =
      QName
          .create("(urn:opendaylight:params:xml:ns:yang:controller:md:sal:dom:store:test?revision=2014-03-13)name");

  @Test
  public void testSerializationOfNodeIdentifier() {
    YangInstanceIdentifier.PathArgument p1 =
        new YangInstanceIdentifier.NodeIdentifier(TEST_QNAME);

    List<YangInstanceIdentifier.PathArgument> arguments = new ArrayList<>();

    arguments.add(p1);

    YangInstanceIdentifier expected = YangInstanceIdentifier.create(arguments);

    NormalizedNodeMessages.InstanceIdentifier instanceIdentifier =
        InstanceIdentifierUtils.toSerializable(expected);

    YangInstanceIdentifier actual =
        InstanceIdentifierUtils.fromSerializable(instanceIdentifier);


    Assert.assertEquals(expected.getLastPathArgument(),
        actual.getLastPathArgument());


  }

  @Test
  public void testSerializationOfNodeWithValue() {

    withValue((short) 1);
    withValue((long) 2);
    withValue(3);
    withValue(true);

  }

  private void withValue(Object value) {
    YangInstanceIdentifier.PathArgument p1 =
        new YangInstanceIdentifier.NodeIdentifier(TEST_QNAME);

    YangInstanceIdentifier.PathArgument p2 =
        new YangInstanceIdentifier.NodeWithValue(NODE_WITH_VALUE_QNAME, value);


    List<YangInstanceIdentifier.PathArgument> arguments = new ArrayList<>();

    arguments.add(p1);
    arguments.add(p2);

    YangInstanceIdentifier expected = YangInstanceIdentifier.create(arguments);

    NormalizedNodeMessages.InstanceIdentifier instanceIdentifier =
        InstanceIdentifierUtils.toSerializable(expected);

    YangInstanceIdentifier actual =
        InstanceIdentifierUtils.fromSerializable(instanceIdentifier);


    Assert.assertEquals(expected.getLastPathArgument(),
        actual.getLastPathArgument());
  }


  @Test
  public void testSerializationOfNodeIdentifierWithPredicates() {

    withPredicates((short) 1);
    withPredicates((long) 2);
    withPredicates(3);
    withPredicates(true);

  }

  private void withPredicates(Object value) {
    YangInstanceIdentifier.PathArgument p1 =
        new YangInstanceIdentifier.NodeIdentifier(TEST_QNAME);

    YangInstanceIdentifier.PathArgument p2 =
        new YangInstanceIdentifier.NodeIdentifierWithPredicates(
            NODE_WITH_PREDICATES_QNAME, NAME_QNAME, value);


    List<YangInstanceIdentifier.PathArgument> arguments = new ArrayList<>();

    arguments.add(p1);
    arguments.add(p2);

    YangInstanceIdentifier expected = YangInstanceIdentifier.create(arguments);

    NormalizedNodeMessages.InstanceIdentifier instanceIdentifier =
        InstanceIdentifierUtils.toSerializable(expected);

    YangInstanceIdentifier actual =
        InstanceIdentifierUtils.fromSerializable(instanceIdentifier);


    Assert.assertEquals(expected.getLastPathArgument(),
        actual.getLastPathArgument());
  }

  @Test
  public void testAugmentationIdentifier() {
    YangInstanceIdentifier.PathArgument p1 =
        new YangInstanceIdentifier.AugmentationIdentifier(new HashSet(
            Arrays.asList(TEST_QNAME)));

    List<YangInstanceIdentifier.PathArgument> arguments = new ArrayList<>();

    arguments.add(p1);

    YangInstanceIdentifier expected = YangInstanceIdentifier.create(arguments);

    NormalizedNodeMessages.InstanceIdentifier instanceIdentifier =
        InstanceIdentifierUtils.toSerializable(expected);

    YangInstanceIdentifier actual =
        InstanceIdentifierUtils.fromSerializable(instanceIdentifier);


    Assert.assertEquals(expected.getLastPathArgument(),
        actual.getLastPathArgument());

  }

}