/**
 * {@code IAuthenticationStrategy} that allows developers to automatically log in without entering a user name and
 * password. To enable this functionality the application you must put the following in the Application.init method:
 * <pre>
 * getSecuritySettings().setAuthenticationStrategy(new DeveloperAutologinAuthenticationStrategy());
 * </pre>
 * Once set as the application's IAuthenticationStrategy you must set the following system properties before starting
 * the application and the application must be running in DEVELOPMENT mode.
 * <pre>
 * -Duser=devuser
 * -Dpassword=devpassword
 * </pre>
 */
public class DeveloperAutologinAuthenticationStrategy extends DefaultAuthenticationStrategy
{
	private static final Logger log = LoggerFactory.getLogger(DeveloperAutologinAuthenticationStrategy.class);

	public DeveloperAutologinAuthenticationStrategy()
	{
		super("LoggedIn");
	}

	@Override
	public String[] load()
	{
		String[] result = super.load();
		if(result == null && Application.get().usesDevelopmentConfig())
		{
			String devUser = System.getProperty("user");
			String devPassword = System.getProperty("password");
			if(StringUtils.isNotBlank(devUser) && StringUtils.isNotBlank(devPassword))
			{
				log.info("Automatically logging in development user " + devUser);
				return new String[]{devUser, devPassword};
			}
		}
		return result;
	}
}