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package com.sun.enterprise.config.serverbeans.validation.tests;

import java.util.logging.Level;

import com.sun.enterprise.config.ConfigContextEvent;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.config.serverbeans.JmsHost;
import com.sun.enterprise.config.serverbeans.JmsService;
import com.sun.enterprise.config.serverbeans.ServerTags;
import com.sun.enterprise.config.serverbeans.validation.GenericValidator;
import com.sun.enterprise.config.serverbeans.validation.Result;
import com.sun.enterprise.config.serverbeans.validation.ValidationDescriptor;

/**
   Custom Test for JMS Host Test which calls the Generic Validation before performing custom tests

   @author Sreenivas Munnangi
   @version 1.0
*/

public class JmsHostTest extends GenericValidator {
    
    private static final char [] illegalChars = {'*', ',', ':'};

    public JmsHostTest (ValidationDescriptor desc) {
        super(desc);
    }

    public Result validate(ConfigContextEvent cce) {

        Result result = super.validate(cce);
        try {
            if (cce.getChoice().equals(StaticTest.DELETE)){
                if (isReferencedByParent(cce)){
                    result.failed(
                        smh.getLocalString(
                            getClass().getName() + ".cannotDeleteReferencedJmsHost",
                            "Jms host (name={0}) can not be removed. It is referenced by its parent jms-service",
                            new Object[]{getJmsHost(cce).getName()}));
                }
            } else {
                if (cce.getName().equals(ServerTags.ADMIN_USER_NAME)) {
                    validateAdminUserName((String) cce.getObject(), result);
                } else if (cce.getName().equals(ServerTags.ADMIN_PASSWORD)) {
                    validateAdminUserPassword((String) cce.getObject(), result);
                } 
            }
        } catch(Exception e) {
            _logger.log(Level.FINE, "domainxmlverifier.exception", e);
        }
        return result;
    }

    private final boolean isReferencedByParent(final ConfigContextEvent cce) throws ConfigException {
        final JmsHost host = getJmsHost(cce);
        final JmsService parent = (JmsService) host.parent();
        return parent.getDefaultJmsHost() != null && parent.getDefaultJmsHost().equals(host.getName());
    }

    private void validateAdminUserName(String name, Result result) {

        if ((name == null) || (name.equals("")) || (name.length() < 1)) {
            result.failed(smh.getLocalString(getClass().getName() +
                                             ".blankOrNullString",
                                             "Attribute {0} : cannot be null or blank",
                                             new Object[] {ServerTags.ADMIN_USER_NAME}));
            return;
        }

        if (hasIllegalChar(name.toCharArray(), illegalChars)) {
            result.failed(smh.getLocalString(getClass().getName() +
                                             ".stringHasIllegalChars", 
                                             "Attribute {0} cannot have any of illegal characters {1}",
                                             new Object[] {ServerTags.ADMIN_USER_NAME, new String(illegalChars)}));
        }
    }

    private void validateAdminUserPassword(String name, Result result) {

        if ((name == null) || (name.equals("")) || (name.length() < 1)) {
            result.failed(smh.getLocalString(getClass().getName() +
                                             ".blankOrNullString",
                                             "Attribute {0} : cannot be null or blank",
                                             new Object[] {ServerTags.ADMIN_PASSWORD}));
            return;
        }

        if (hasIllegalChar(name.toCharArray(), illegalChars)) {
            result.failed(smh.getLocalString(getClass().getName() +
                                             ".stringHasIllegalChars", 
                                             "Attribute {0} cannot have any of illegal characters {1}",
                                             new Object[] {ServerTags.ADMIN_PASSWORD, new String(illegalChars)}));
        }
    }

    private boolean hasIllegalChar (char[] inputCharArr, char[] illegalCharArr) {

        int inputCharArrLen = inputCharArr.length;
        int illegalCharArrLen = illegalCharArr.length;

        for (int i=0; i<illegalCharArrLen; i++) {
            for (int j=0; j<inputCharArrLen; j++) {
                if (inputCharArr[j] == illegalCharArr[i]) {
                    return true;
                }
            }
        }

        return false;
    }

    private final JmsHost getJmsHost(final ConfigContextEvent cce) throws ConfigException{
        return (JmsHost) cce.getValidationTarget();
    }
    
}