/*
 * 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.net.URI;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

public class BldFactory {
	private static Map<URI, BldProject> projects = new HashMap<URI, BldProject>();
	
	public static IBldProject getProject(URI uri) throws IOException {
		return getProject(uri, false);
	}
	
	public static IBldProject getProject(URI uri, boolean ignoreCache) throws IOException {
		return load(uri, ignoreCache);
	}
	
	public static IRepositoryConfig getConfig(URI uri) throws IOException {
		return load(uri, false);
	}
	
	/**
	 * creates a new project file, initialised with defaults.
	 * @param uri where the file will be saved - used to resolve relative paths.
	 * @param defaults relative path to defaults file - default ../sigil.properties.
	 * @return
	 * @throws IOException
	 */
	public static IBldProject newProject(URI uri, String defaults) throws IOException {
		BldProject project = new BldProject(uri);
		Properties p = new Properties();
		if (defaults != null)
    		p.setProperty(BldConfig.S_DEFAULTS, defaults);
		project.loadDefaults(p);
		return project;
	}
	
	private static BldProject load(URI uri, boolean ignoreCache) throws IOException {
		BldProject p = null; 
		if (!ignoreCache) {
			p = projects.get(uri);
		}
		
		if (p == null) {
			p = new BldProject(uri);
			p.load();
			projects.put(uri, p);
    			
    		if (Boolean.getBoolean("org.cauldron.bld.config.test")) {
    			File path = new File(uri.getPath() + ".tmp");
    			System.out.println("XXX: config.test writing: " + path);
    			p.saveAs(path);
    		}
		}
		return p;
	}
	
}