package com.thalesgroup.cheddar.MARTE2cheddar;

import java.io.InputStream;

import org.eclipse.core.resources.IFile;

import com.thalesgroup.cheddar.MARTE2cheddar.preferences.MARTE2CheddarPreferencePage;
import com.thalesgroup.java.log.Log;

/**
 * Utility class for running Cheddar.
 * 
 * <copyright>
 * Thales MARTE to Cheddar (Copyright (c) THALES 2007 All rights reserved) is free software; you can redistribute itand/or modify
 * it under the terms of the Eclipse Public License as published in http://www.eclipse.org/legal/epl-v10.html
 *
 * Thales MARTE to Cheddar is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Eclipse Public License for more details.
 * </copyright>
 * 
 * @author Nicolas Vienne
 *
 */
public class CheddarRunner {
	/**
	 * Launches Cheddar with the specified file as parameter
	 * @param file IFile to be launched in Cheddar
	 */
	public static void Exec(IFile file){

		if(file != null) {
			
			String cheddarpath = MARTE2CheddarPreferencePage.getCheddarPath();
			if(cheddarpath.equals("")) {
				Log.errorMessage(Activator.PLUGIN_ID,"Cheddar path is not set in the preferences page.");
			}
			else {
				try {
					String os_name = System.getProperty("os.name");
					Process p = null;
					if(os_name.contains("Windows")) {
						//String[] cmd = {"cmd.exe", "/c", "\""+cheddarpath +" "+file.getLocation().toString()+"\""};
						String[] cmd = {"\""+cheddarpath +"\"",file.getLocation().toString()};
						p = Runtime.getRuntime().exec(cmd);
					} else if(os_name.contains("Linux")) {
						// WARNING : 
						//[root@trtp0948 lib]# cd /usr/lib
						//[root@trtp0948 lib]# ln -s /usr/local/lib/libgtkada-1.2.so.12
						//String[] cmd = {"/bin/sh", "-c", cheddarpath+file.getLocation().toString()};
						String[] cmd = {"\""+cheddarpath +"\",\""+file.getLocation().toString()+"\""};
						p = Runtime.getRuntime().exec(cmd);
					} else {
						System.out.println("I don't know how to start Cheddar on " + os_name +".");
					}
					
					if(p != null) {
						InputStream is = p.getInputStream();
					    String r = "";
					    int c;
						do {
							c = is.read();
							if(c != 1) {
								r += (char)c;
							}
						} while( c != -1);
						r = r.substring(0, r.length()-1);
	
						String[] rs = r.split("\n");
						r = "";
						for(int i=6; i< rs.length; i++) r += rs[i]+"\n";
						
						if(r != "") {
							r = r.substring(0, r.length()-1);
							Log.debugMessage(Activator.PLUGIN_ID,"Cheddar said :");
							Log.debugMessage(Activator.PLUGIN_ID,r);
						}
					}
				} catch (Exception exception) {
					Log.errorMessage(Activator.PLUGIN_ID,"Error in CheddarRunner execution",exception);
				}
			}
		}
	}
}