/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates
 * and other 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.migration.migrators;

import org.jboss.logging.Logger;
import org.keycloak.migration.ModelVersion;
import org.keycloak.models.IdentityProviderModel;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.RealmModel;
import org.keycloak.models.utils.DefaultAuthenticationFlows;

public class MigrateTo2_2_0 implements Migration {
    public static final ModelVersion VERSION = new ModelVersion("2.2.0");

    private static final Logger LOG = Logger.getLogger(MigrateTo2_2_0.class);

    public ModelVersion getVersion() {
        return VERSION;
    }

    public void migrate(KeycloakSession session) {
        for (RealmModel realm : session.realms().getRealms()) {
            addIdentityProviderAuthenticator(realm);
        }
    }

    private void addIdentityProviderAuthenticator(RealmModel realm) {
        String defaultProvider = null;
        for (IdentityProviderModel provider : realm.getIdentityProviders()) {
            if (provider.isEnabled() && provider.isAuthenticateByDefault()) {
                defaultProvider = provider.getAlias();
                break;
            }
        }

        DefaultAuthenticationFlows.addIdentityProviderAuthenticator(realm, defaultProvider);
    }

}
