import java.util.HashMap;
import java.util.Map;

import com.hyperion.css.CSSException;
import com.hyperion.css.common.CSSUserIF;

/**
* Authenticate demonstrates the usage of CSS API to authenticate users
* using password, and CSS token. 
*/
public class AuthenticateSample extends Sample
{
  	
	public AuthenticateSample() throws Exception {
		super();
	}

    /**
    * CSS Authenticate Sample - Main
    * 
    * The sample does:
    *     1. Authenticate using username/password
    *     2. Authenticate using CSS token
    */
    public static void main(String[] args) 
    {
    	AuthenticateSample ct = null;
    	try {
	        ct = new AuthenticateSample();
	        ct.printMsg(System.out, "Main methods:");
	        
	        // Authenticate Using UserName Password
	        ct.printMsg(System.out, "Authenticating admin ...");
	        CSSUserIF user = ct.authenticate("admin", "password");
	        ct.printMsg(System.out, "Authenticated.");
	
	        //Get the CSS token from the User
	        String token = user.getToken();
	        
	        // Authenticate Using CSS Token
	        ct.printMsg(System.out, "Authenticating admin by token ...");
	        user = ct.authenticateByToken(token);
	         
	        //Print token for authenticated user
	        String authToken = user.getToken();
	        ct.dump(System.out, "Authenticated token ", new String[]{authToken});

    	} catch (Throwable e) {
    		e.printStackTrace();
    		System.out.println("Could not run sample because of error " 
    				+ e.getClass().getName() + ": " + e.getMessage());
    	} finally {
    		if (ct != null)
    			ct.shutdown();
    	}
    }  

    
    /**
    * Authenticate User
    */
    public CSSUserIF authenticate(String username, String password)
    {
        CSSUserIF user = null;
        System.out.println("Authenticating user: " + username); 
        try
        {
            Map context = new HashMap();
            user = cssAPI.authenticate(context, username, password);
            System.out.println("Got User: " + user);
        }
        catch(CSSException ce)
        {
            ce.printStackTrace();
        }

        return user;
    }



    /**
    * Authenticate User By Token
    */
    public CSSUserIF authenticateByToken(String token)
    {
        CSSUserIF user = null;
        System.out.println("Authenticating user by token: " + token); 
        try
        {
            Map context = new HashMap();
            user = cssAPI.authenticateToken(context, token);
            System.out.println("Got User: " + user);
        }
        catch(CSSException ce)
        {
            ce.printStackTrace();
        }

        return user;
    }
    
    public void cleanup(String[]ids) throws CSSException {}

    }