package org.adoxx.project.lola;

import java.net.URLDecoder;
import java.util.UUID;

import javax.ws.rs.core.Response;

import org.adoxx.project.lola.model.LoLAResponse;
import org.adoxx.project.lola.model.RemoteLog;
import org.adoxx.project.lola.remoteutil.RemoteLoLAUtils;
import org.apache.commons.validator.GenericValidator;

import com.jcraft.jsch.Session;

public class LoLAVerificationImpl implements LoLAVerification {

	String user;
	public String getUser() {
		return user;
	}

	public void setUser(String user) {
		this.user = user;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public String getHost() {
		return host;
	}

	public void setHost(String host) {
		this.host = host;
	}

	String password;
	String host;
	int port = 22;
	RemoteLoLAUtils utils = new RemoteLoLAUtils();
	String remoteLoLADir = "/tmp/lola/";

	public void init() {
		System.out.println("initalization");
	}

	@Override
	public Response analyse(String network, String formula, String options) {

		// line breaks are %0A

		RemoteLog remoteLog = new RemoteLog();

		// create required file names
		String uniqueID = UUID.randomUUID().toString();
		String remoteFileName = uniqueID + ".lola";
		String remoteResponseFileName = uniqueID + ".out";

		// create the session
		Session session = utils.createSession(user, host, port, password, remoteLog);
		try {
			// upload network if available
			if (!GenericValidator.isBlankOrNull(network)) {
				// create the file on the server and upload content
				utils.createRemoteDirectory(session, remoteLoLADir, remoteLog);
				utils.uploadContentToServer(session, URLDecoder.decode(network, "UTF-8").split("\n"), remoteFileName, remoteLoLADir, remoteLog);
			}

			// run lola
			/**
			 * LoLA: a low-level analyzer. Report bugs to
			 * <lola@service-technology.org>. Visit LoLA's home page at
			 * <http://service-technology.org/lola>.
			 *
			 * Usage: lola [FILE] [--formula=FORMULA] [OPTIONS]
			 */

			StringBuffer lolaCommand = new StringBuffer();
			lolaCommand.append("lola ");
			if (!GenericValidator.isBlankOrNull(network)) {
				lolaCommand.append(remoteLoLADir + remoteFileName + " ");
			}
			if (!GenericValidator.isBlankOrNull(formula)) {
				lolaCommand.append("--formula=\"" + formula + "\" ");
			}

			if (!GenericValidator.isBlankOrNull(options)) {
				lolaCommand.append(options + " ");
			}

			// add response reader
			lolaCommand.append("&> " + remoteLoLADir + remoteResponseFileName);

			remoteLog.addTimeStampEntry("Running command: "+ lolaCommand.toString());
			
			
			utils.runShellCommand(session, lolaCommand.toString(), remoteLog);

			// read file from server and return
			String result = utils.readContent(session, remoteLoLADir + remoteResponseFileName, remoteLog);
			session.disconnect();

			LoLAResponse response = new LoLAResponse();
			response.setRemoteLog(remoteLog.toString());
			response.setResult(result);

			return Response.ok(response).build();

		} catch (Exception e) {
			// TODO: handle exception
		}
		return Response.status(404).build();

	}

}