/*
 * 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.apache.sling.distribution.packaging.impl.importer;

import javax.annotation.Nonnull;
import java.io.InputStream;
import java.util.Map;

import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.ConfigurationPolicy;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.commons.osgi.PropertiesUtil;
import org.apache.sling.distribution.component.impl.DistributionComponentConstants;
import org.apache.sling.distribution.component.impl.SettingsUtils;
import org.apache.sling.distribution.event.impl.DistributionEventFactory;
import org.apache.sling.distribution.common.DistributionException;
import org.apache.sling.distribution.packaging.DistributionPackage;
import org.apache.sling.distribution.packaging.impl.DistributionPackageImporter;
import org.apache.sling.distribution.packaging.DistributionPackageInfo;
import org.apache.sling.distribution.packaging.DistributionPackageBuilder;

/**
 * OSGi configuration factory for {@link LocalDistributionPackageImporter}s.
 */
@Component(label = "Apache Sling Distribution Importer - Local Package Importer Factory",
        metatype = true,
        configurationFactory = true,
        specVersion = "1.1",
        policy = ConfigurationPolicy.REQUIRE)
@Service(value = DistributionPackageImporter.class)
@Property(name="webconsole.configurationFactory.nameHint", value="Importer name: {name}")
public class LocalDistributionPackageImporterFactory implements DistributionPackageImporter {
    /**
     * name of this importer.
     */
    @Property(label = "Name", description = "The name of the importer.")
    private static final String NAME = DistributionComponentConstants.PN_NAME;

    @Property(name = "packageBuilder.target", label = "Package Builder", description = "The target reference for the DistributionPackageBuilder used to create distribution packages, " +
            "e.g. use target=(name=...) to bind to services by name.", value = SettingsUtils.COMPONENT_NAME_DEFAULT)
    @Reference(name = "packageBuilder")
    private DistributionPackageBuilder packageBuilder;

    @Reference
    private DistributionEventFactory eventFactory;

    private DistributionPackageImporter importer;

    @Activate
    public void activate(Map<String, Object> config) {
        String name = PropertiesUtil.toString(config.get(NAME), null);
        importer = new LocalDistributionPackageImporter(name, eventFactory, packageBuilder);
    }


    public void importPackage(@Nonnull ResourceResolver resourceResolver, @Nonnull DistributionPackage distributionPackage) throws DistributionException {
        importer.importPackage(resourceResolver, distributionPackage);
    }

    @Nonnull
    public DistributionPackageInfo importStream(@Nonnull ResourceResolver resourceResolver, @Nonnull InputStream stream) throws DistributionException {
        return importer.importStream(resourceResolver, stream);
    }

}