package com.mincom.ellipse.myapp.connection;

import java.io.IOException;
import java.io.InterruptedIOException;

import com.mincom.mims.tech.mware.cbr.CBRException;
import com.mincom.mims.tech.mware.common.*;


/**
 * The EllipseConnection class is used to establish a connection to Ellipse
 */
public class EllipseConnection {

    private IMimsSession mySession;
    private String buflib = "";
    
    private String hostName;
    private String portNumber;
    private String hostUsername;
    private String hostPassword;
    
    /**
     * EllipseConnection constructor
     */
    public EllipseConnection() {
        
    }
    
    /**
     * Set the location of the bfl files (for MSO access)
     * @param location
     */
    public void setBufferLibraryLocation(String location) {
        buflib = location;
    }

    /**
     * Connect to the Ellipse server
     * @param TP
     * @param hostName
     * @param portNumber
     * @param hostUsername
     * @param hostPassword
     * @throws EllipseConnectionException
     */

    public void connect(String TP, String hostName, int portNumber, String hostUsername, String hostPassword) throws EllipseConnectionException {
        
        MimsSessionFactory sessionFactory = MimsSessionFactory.getMimsSessionFactory();
        mySession = sessionFactory.getMimsSession(TP,buflib);
    
        try {
            mySession.connect(hostName, portNumber, hostUsername, hostPassword);
        } catch (InterruptedIOException e) {
            throw new EllipseConnectionException(e.toString());
        } catch (IOException e) {
            throw new EllipseConnectionException(e.toString());
        } catch (CBRException e) {
            throw new EllipseConnectionException(e.toString());
        }
    }  
    
    /**
     * This method attempts to login to the Ellipse server.
     * @param mimsUser
     * @param mimsPwd
     * @param district
     * @param position
     * @throws EllipseConnectionException
     */
    //login to mims
    public void login(String mimsUser,String mimsPwd,String district,String position) throws EllipseConnectionException {
        try {
            mySession.login(mimsUser,mimsPwd,district,position);
        } catch (CBRException e) {
            throw new EllipseConnectionException(trimQuotes(e.toString()));
        } catch (MwareException e) {
            throw new EllipseConnectionException(trimQuotes(e.toString()));
        } catch (ServerException e) {
            throw new EllipseConnectionException(trimQuotes(e.getLocalizedMessage()));
        } catch (IOException e) {
            throw new EllipseConnectionException(trimQuotes(e.toString()));
        }
    }


    /**
     * This method attempts to disconnect from the Ellipse server.
     * @throws EllipseConnectionException
     */
    //disconnect from mims server
    public void disconnect() throws EllipseConnectionException {
        try {
            mySession.disconnect();
        } catch (IOException e) {
            throw new EllipseConnectionException(e.toString());
        } catch (CBRException e) {
            throw new EllipseConnectionException(e.toString());
        }
    }
    
    /**
     * Get the current connection to Ellipse
     * @return IMimsSession: The current Ellipse session
     */
    public IMimsSession getSession() {
        return mySession;
    }
    
    /**
     * Trim the error message and remove double quotes
     * from the ends of the message.
     */
    private String trimQuotes(String errorMessage) {
        // Start with initial trim
        String trimMessage = errorMessage.trim();
        // Strip double quotes (") from error message
        if (trimMessage.startsWith("\"") && trimMessage.endsWith("\"")) {
            trimMessage = trimMessage.substring(1, trimMessage.length()-1);
        }
        // Trim again on the way out
        return trimMessage.trim();
    }
}