/*
 * Copyright (c) 2014, 2015 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.md.sal.binding.impl.test;

import static org.junit.Assert.assertTrue;

import javassist.ClassPool;
import org.junit.Test;
import org.opendaylight.controller.md.sal.binding.impl.BindingToNormalizedNodeCodec;
import org.opendaylight.controller.md.sal.binding.test.AbstractSchemaAwareTest;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.TreeComplexUsesAugment;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.augment.rev140709.TreeLeafOnlyAugment;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.Top;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelList;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelListKey;
import org.opendaylight.yangtools.binding.data.codec.gen.impl.DataObjectSerializerGenerator;
import org.opendaylight.yangtools.binding.data.codec.gen.impl.StreamWriterGenerator;
import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
import org.opendaylight.yangtools.sal.binding.generator.impl.GeneratedClassLoadingStrategy;
import org.opendaylight.yangtools.sal.binding.generator.util.JavassistUtils;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;

public class BindingNormalizedCodecTest extends AbstractSchemaAwareTest {

    private static final TopLevelListKey TOP_FOO_KEY = new TopLevelListKey("foo");
    private static final InstanceIdentifier<TopLevelList> BA_TOP_LEVEL_LIST = InstanceIdentifier
            .builder(Top.class).child(TopLevelList.class, TOP_FOO_KEY).toInstance();
    private static final InstanceIdentifier<TreeLeafOnlyAugment> BA_TREE_LEAF_ONLY = BA_TOP_LEVEL_LIST.augmentation(TreeLeafOnlyAugment.class);
    private static final InstanceIdentifier<TreeComplexUsesAugment> BA_TREE_COMPLEX_USES = BA_TOP_LEVEL_LIST.augmentation(TreeComplexUsesAugment.class);
    private static final QName SIMPLE_VALUE_QNAME = QName.create(TreeComplexUsesAugment.QNAME, "simple-value");


   private BindingToNormalizedNodeCodec codec;

    @Override
    protected void setupWithSchema(final SchemaContext context) {
        final DataObjectSerializerGenerator streamWriter = StreamWriterGenerator.create(JavassistUtils.forClassPool(ClassPool.getDefault()));
        final BindingNormalizedNodeCodecRegistry registry = new BindingNormalizedNodeCodecRegistry(streamWriter);
        codec = new BindingToNormalizedNodeCodec(GeneratedClassLoadingStrategy.getTCCLClassLoadingStrategy(), registry);
        codec.onGlobalContextUpdated(context);
    };

    @Test
    public void testComplexAugmentationSerialization() {

        final PathArgument lastArg = codec.toYangInstanceIdentifier(BA_TREE_COMPLEX_USES).getLastPathArgument();
        assertTrue(lastArg instanceof AugmentationIdentifier);
    }


    @Test
    public void testLeafOnlyAugmentationSerialization() {

        final PathArgument leafOnlyLastArg = codec.toYangInstanceIdentifier(BA_TREE_LEAF_ONLY).getLastPathArgument();
        assertTrue(leafOnlyLastArg instanceof AugmentationIdentifier);
        assertTrue(((AugmentationIdentifier) leafOnlyLastArg).getPossibleChildNames().contains(SIMPLE_VALUE_QNAME));
    }

}