/*
 * 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.cauldron.bld.config;

import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.util.List;
import java.util.Map;
import java.util.Properties;

import org.cauldron.sigil.model.eclipse.ISigilBundle;
import org.cauldron.sigil.model.osgi.IBundleModelElement;
import org.cauldron.sigil.model.osgi.IPackageExport;
import org.cauldron.sigil.model.osgi.IPackageImport;
import org.cauldron.sigil.model.osgi.IRequiredBundle;

public interface IBldProject {
	
	static final String PROJECT_FILE = "sigil.properties";
	static final String PROJECT_DEFAULTS = "../sigil-defaults.properties";
	
	void save() throws IOException;
	
	void saveAs(File path) throws IOException;
	
	void saveTo(OutputStream out) throws IOException;
	
	/**
	 * gets default package version ranges.
	 */
	Properties getDefaultPackageVersions();
	
	/**
	 * gets default package version range for named package.
	 * Also handles wildcards in defaults.
	 */
	String getDefaultPackageVersion(String name);
	
	/**
	 * get project options.
	 */
	Properties getOptions();
	
	/**
	 * get project version.
	 */
	String getVersion();
	
	/**
	 * gets dependencies (Package-Import and Require-Bundle) needed to compile.
	 */
	IBundleModelElement getDependencies();
	
	/**
	 * gets project source directories.
	 * This is a convenient way to specify bundle contents
	 * when the project doesn't contains multiple bundles.
	 */
	List<String> getSourceDirs();
	
	/**
	 * gets the list of packages represented by getSourceDirs().
	 * @throws IOException 
	 */
	List<String> getSourcePkgs();
	
	/**
	 * gets bundle ids.
	 */
	List<String> getBundleIds();
	
	/**
	 * gets bundles.
	 */
	List<IBldBundle> getBundles();
	
	/**
	 * convert specified bundle to SigilBundle.
	 */
	ISigilBundle getSigilBundle(String id);
	
	/**
	 * convert SigilBundle to specified bundle.
	 */
	void setSigilBundle(String id, ISigilBundle sb);
	
	/**
	 * converts default bundle to SigilBundle.
	 */
	ISigilBundle getDefaultBundle();
	
	/**
	 * converts SigilBundle to default bundle.
	 */
	void setDefaultBundle(ISigilBundle sb);
	
	/**
	 * resolves a relative path against the project file location.
	 */
	File resolve(String path);
	
	/**
	 * gets the last modification date of the project file.
	 */
	long getLastModified();
	
	interface IBldBundle {
		/**
		 * gets bundle activator
		 */
		String getActivator();
		
		/**
		 * gets bundle id within project.
		 */
		String getId();
		
		/**
		 * gets bundle version.
		 */
		String getVersion();
		
		/**
		 * gets the Bundle-SymbolicName.
		 */
		String getSymbolicName();

		/**
		 * gets bundles export-packages.
		 */
		List<IPackageExport> getExports();
		
		/**
		 * gets project import-packages. 
		 */
		List<IPackageImport> getImports();
		
		/**
		 * gets project require-bundles. 
		 */
		List<IRequiredBundle> getRequires();
		
		/**
		 * get bundle fragment-host. 
		 */
		IRequiredBundle getFragmentHost();
		
		/**
		 * gets bundle libs. 
		 */
		Map<String, Map<String, String>> getLibs();
	
		/**
		 * gets the bundle contents
		 * @return list of package patterns.
		 */
		List<String> getContents();
		
		/**
		 * gets the bundle's associated dljar contents.
		 * This is a convenience which avoids having to define another bundle
		 * just for the dljar, which is then added to the parent bundle.
		 * @return list of package patterns.
		 */
		List<String> getDownloadContents();
	
		/**
		 * gets SCA composites.
		 */
		List<String> getComposites();
		
		/**
		 * gets the additional resources.
		 * @return map with key as path in bundle, value as path in file system.
		 * Paths are resolved relative to location of project file and also from classpath.
		 */
		Map<String,String> getResources();
		
		/**
		 * gets additional bundle headers.
		 */
		Properties getHeaders();
		
		/**
		 * resolves a relative path against the project file location.
		 */
		File resolve(String path);
	}
}