package org.openslx.taskmanager.tasks;

import org.openslx.taskmanager.api.SystemCommandTask;

import com.google.gson.annotations.Expose;

public class Systemctl extends SystemCommandTask
{
	/**
	 * What to do: start, stop...
	 */
	@Expose
	private String operation;

	@Expose
	String service;

	private StatusObject status = new StatusObject();

	@Override
	protected String[] initCommandLine()
	{
		this.timeoutSeconds = 15;
		return new String[] { "/usr/bin/sudo",
				"-n", "-u", "root",
				"/opt/taskmanager/scripts/systemctl",
				operation, service };
	}

	private boolean errorIfNull( String check, String message )
	{
		if ( check == null )
			status.addMsg( message );
		return check == null;
	}

	@Override
	protected boolean processEnded( int exitCode )
	{
		return exitCode == 0;
	}

	@Override
	protected void processStdOut( String line )
	{
		status.addMsg( line );
	}

	@Override
	protected void processStdErr( String line )
	{
		status.addMsg( line );
	}

	@Override
	protected boolean initTask()
	{
		this.setStatusObject( this.status );
		return !errorIfNull( operation, "No operation given" );
	}

	class StatusObject
	{
		private String messages = "";

		public void addMsg( String str )
		{
			messages = messages + "\n" + str;
		}
	}

}