/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2016 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * Licensed 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.keycloak.authorization.store.syncronization;

import org.keycloak.authorization.AuthorizationProvider;
import org.keycloak.authorization.model.ResourceServer;
import org.keycloak.authorization.store.StoreFactory;
import org.keycloak.models.KeycloakSessionFactory;
import org.keycloak.models.RealmModel.RealmRemovedEvent;
import org.keycloak.provider.ProviderFactory;

/*
 * @author <a href="mailto:psilva@redhat.com">Pedro Igor</a>
 */
public class RealmSynchronizer implements Synchronizer<RealmRemovedEvent> {
    @Override
    public void synchronize(RealmRemovedEvent event, KeycloakSessionFactory factory) {
        ProviderFactory<AuthorizationProvider> providerFactory = factory.getProviderFactory(AuthorizationProvider.class);
        AuthorizationProvider authorizationProvider = providerFactory.create(event.getKeycloakSession());
        StoreFactory storeFactory = authorizationProvider.getStoreFactory();

        event.getRealm().getClients().forEach(clientModel -> {
            ResourceServer resourceServer = storeFactory.getResourceServerStore().findByClient(clientModel.getClientId());

            if (resourceServer != null) {
                String id = resourceServer.getId();
                storeFactory.getResourceStore().findByResourceServer(id).forEach(resource -> storeFactory.getResourceStore().delete(resource.getId()));
                storeFactory.getScopeStore().findByResourceServer(id).forEach(scope -> storeFactory.getScopeStore().delete(scope.getId()));
                storeFactory.getPolicyStore().findByResourceServer(id).forEach(scope -> storeFactory.getPolicyStore().delete(scope.getId()));
                storeFactory.getResourceServerStore().delete(id);
            }
        });
    }
}