package org.codehaus.modello.plugin.registry;

/*
 * 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.
 */

import org.apache.archiva.redback.components.registry.commons.CommonsConfigurationRegistry;
import org.codehaus.modello.test.model.Model;
import org.codehaus.modello.test.model.Reference;
import org.codehaus.modello.test.model.EmptyReference;
import org.codehaus.modello.test.model.io.registry.ModelRegistryWriter;
import org.codehaus.modello.verifier.Verifier;
import org.apache.archiva.redback.components.registry.Registry;

import junit.framework.Assert;

import java.util.*;

/**
 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
 * @version $Id$
 */
public class RegistryWriterVerifier
    extends Verifier
{
    private static Reference createReference( String name )
    {
        Reference reference = new Reference();
        reference.setName( name );
        return reference;
    }

    public void verify()
        throws Exception
    {
        Registry registry = new CommonsConfigurationRegistry();
        registry.initialize();

        Model model = new Model();
        model.setName( "name" );
        model.setNumeric( 9 );
        model.setReference( createReference( "ref-name" ) );
        model.setEmptyReference( new EmptyReference() );
        model.setListReferences( new ArrayList( Arrays.asList( new Reference[] {
            createReference( "list-name1" ),
            createReference( "list-name2" ),
            createReference( "list-name3" )
        })));
        model.setSetReferences( new HashSet( Arrays.asList( new Reference[] {
            createReference( "set-name1" ),
            createReference( "set-name2" ),
        })));
        model.setStringReferences( Arrays.asList( new String[] { "S1", "S2", "S3", "S4", "S5" } ) );

        Map map = new HashMap();
        map.put( "property", "value1" );
        map.put( "property2", "value2" );
        map.put( "something.else", "value3" );
        model.setMap( map );

        Properties properties = new Properties();
        properties.setProperty( "property", "value1" );
        properties.setProperty( "property2", "value2" );
        properties.setProperty( "something.else", "value3" );
        model.setProperties( properties );

        ModelRegistryWriter modelWriter = new ModelRegistryWriter();

        modelWriter.write( model, registry );

        Assert.assertEquals( "name", registry.getString( "name" ) );
        Assert.assertEquals( 9, registry.getInt( "numeric" ) );
        Assert.assertEquals( "ref-name", registry.getString( "reference.name" ) );
        Assert.assertNull( registry.getString( "missingReference" ) );
        Assert.assertNull( registry.getString( "missingReference.name" ) );
        Assert.assertNull( registry.getString( "emptyReference" ) );
        Assert.assertNull( registry.getString( "emptyReference.name" ) );
        Assert.assertEquals( "list-name1", registry.getString( "listReferences.listReference(0).name" ) );
        Assert.assertEquals( "list-name2", registry.getString( "listReferences.listReference(1).name" ) );
        Assert.assertEquals( "list-name3", registry.getString( "listReferences.listReference(2).name" ) );
        List names = new ArrayList( 2 );
        names.add( registry.getString( "setReferences.setReference(0).name" ) );
        names.add( registry.getString( "setReferences.setReference(1).name" ) );
        Collections.sort( names );
        Assert.assertEquals( Arrays.asList( new String[] { "set-name1", "set-name2" } ), names );
        Assert.assertEquals( Arrays.asList( new String[] { "S1", "S2", "S3", "S4", "S5" } ),
                             registry.getList( "stringReferences.stringReference" ) );

        map = registry.getProperties( "map" );
        Assert.assertEquals( 3, map.size() );
        Assert.assertEquals( "value1", map.get( "property" ) );
        Assert.assertEquals( "value2", map.get( "property2" ) );
        Assert.assertEquals( "value3", map.get( "something.else" ) );

        properties = registry.getProperties( "properties" );
        Assert.assertEquals( 3, properties.size() );
        Assert.assertEquals( "value1", properties.getProperty( "property" ) );
        Assert.assertEquals( "value2", properties.getProperty( "property2" ) );
        Assert.assertEquals( "value3", properties.getProperty( "something.else" ) );

        // test defaults
        Assert.assertNull( registry.getString( "defString" ) );

        try
        {
            registry.getInt( "defNumeric" );
            Assert.fail();
        }
        catch ( NoSuchElementException e )
        {
            // expected
        }

        try
        {
            registry.getBoolean( "defBoolean" );
            Assert.fail();
        }
        catch ( NoSuchElementException e )
        {
            // expected
        }

        // test removing an element from a list [MODELLO-84]
        model.getListReferences().remove( 0 );
        modelWriter.write( model, registry );
        Assert.assertEquals( "list-name2", registry.getString( "listReferences.listReference(0).name" ) );
        Assert.assertEquals( "list-name3", registry.getString( "listReferences.listReference(1).name" ) );
        Assert.assertNull( registry.getString( "listReferences.listReference(2).name" ) );

        // test removing an element from a map
        model.getMap().remove( "property2" );
        modelWriter.write( model, registry );
        map = registry.getProperties( "map" );
        Assert.assertEquals( 2, map.size() );
        Assert.assertEquals( "value1", map.get( "property" ) );
        Assert.assertNull( "value2", map.get( "property2" ) );
        Assert.assertEquals( "value3", map.get( "something.else" ) );
    }
}