/*
 * Copyright (c) 2014, IETR/INSA of Rennes
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *   * Neither the name of the IETR/INSA of Rennes nor the names of its
 *     contributors may be used to endorse or promote products derived from this
 *     software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
package net.sf.orcc.cal.generator;

import java.util.List;

import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.xtext.generator.IGenerator;
import org.eclipse.xtext.generator.JavaIoFileSystemAccess;
import org.eclipse.xtext.util.CancelIndicator;
import org.eclipse.xtext.validation.CheckMode;
import org.eclipse.xtext.validation.IResourceValidator;
import org.eclipse.xtext.validation.Issue;

import com.google.inject.Inject;
import com.google.inject.Injector;
import com.google.inject.Provider;

/**
 * 
 * @author Antoine Lorence
 * 
 */
public class Main {
	
	public static void main(String[] args) {
		if (args.length==0) {
			System.err.println("Aborting: no path to EMF resource provided!");
			return;
		}
		Injector injector = new net.sf.orcc.cal.CalStandaloneSetup().createInjectorAndDoEMFRegistration();
		Main main = injector.getInstance(Main.class);
		main.runGenerator(args[0]);
	}
	
	@Inject 
	private Provider<ResourceSet> resourceSetProvider;
	
	@Inject
	private IResourceValidator validator;
	
	@Inject
	private IGenerator generator;
	
	@Inject 
	private JavaIoFileSystemAccess fileAccess;

	protected void runGenerator(String string) {
		// load the resource
		ResourceSet set = resourceSetProvider.get();
		Resource resource = set.getResource(URI.createURI(string), true);
		
		// validate the resource
		List<Issue> list = validator.validate(resource, CheckMode.ALL, CancelIndicator.NullImpl);
		if (!list.isEmpty()) {
			for (Issue issue : list) {
				System.err.println(issue);
			}
			return;
		}
		
		// configure and start the generator
		fileAccess.setOutputPath("src-gen/");
		generator.doGenerate(resource, fileAccess);
		
		System.out.println("Code generation finished.");
	}
}