/*
 * Copyright (c) 2018, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.wso2.carbon.is.migration.service.v550.migrator;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.wso2.carbon.identity.core.migrate.MigrationClientException;
import org.wso2.carbon.is.migration.service.Migrator;
import org.wso2.carbon.is.migration.util.Constant;
import org.wso2.carbon.is.migration.util.EncryptionUtil;

/**
 * KeyStorePasswordMigrator.
 */
public class KeyStorePasswordMigrator extends Migrator {

    private static final Logger log = LoggerFactory.getLogger(KeyStorePasswordMigrator.class);

    @Override
    public void migrate() throws MigrationClientException {

        try {
            EncryptionUtil.setCurrentEncryptionAlgorithm(this);
            EncryptionUtil.setMigratedEncryptionAlgorithm(this);
            migrateKeystorePasswords();
        } catch (Exception e) {
            String errorMsg = "Error while migrating key store passwords";
            if (!isContinueOnError()) {
                throw new MigrationClientException(errorMsg, e);
            }
            log.error(errorMsg, e);
        }
    }

    @Override
    public void dryRun() throws MigrationClientException {

        log.info("Dry run capability not implemented in {} migrator.", this.getClass().getName());
    }

    private void migrateKeystorePasswords() throws Exception {

        log.info(Constant.MIGRATION_LOG + "Migration starting on Key Stores");
        if (Boolean.parseBoolean(this.getMigratorConfig().getParameterValue("transformToSymmetric"))) {
            org.wso2.carbon.is.migration.util.RegistryDataManager registryDataManager = org.wso2.carbon.is.migration.
                    util.RegistryDataManager.getInstance();
            registryDataManager.migrateKeyStorePassword(isIgnoreForInactiveTenants(), isContinueOnError());
        } else {
            org.wso2.carbon.is.migration.service.v550.RegistryDataManager registryDataManager = org.wso2.carbon.is.
                    migration.service.v550.RegistryDataManager.getInstance();
            registryDataManager.migrateKeyStorePassword(isIgnoreForInactiveTenants(), isContinueOnError());
        }
    }
}
