/*
 * 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 java.util.LinkedList;
import java.util.List;

import org.keycloak.migration.ModelVersion;
import org.keycloak.models.ClientModel;
import org.keycloak.models.ClientTemplateModel;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.ProtocolMapperContainerModel;
import org.keycloak.models.ProtocolMapperModel;
import org.keycloak.models.RealmModel;

/**
 * @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
 */
public class MigrateTo2_3_0 implements Migration {

    public static final ModelVersion VERSION = new ModelVersion("2.3.0");

    @Override
    public void migrate(KeycloakSession session) {
        for (RealmModel realm : session.realms().getRealms()) {
            for (ClientModel client : realm.getClients()) {
                updateProtocolMappers(client);
            }

            for (ClientTemplateModel clientTemplate : realm.getClientTemplates()) {
                updateProtocolMappers(clientTemplate);
            }
        }
    }

    private void updateProtocolMappers(ProtocolMapperContainerModel client) {
        List<ProtocolMapperModel> toUpdate = new LinkedList<>();
        for (ProtocolMapperModel mapper : client.getProtocolMappers()) {
            if (!mapper.getConfig().containsKey("userinfo.token.claim") && mapper.getConfig().containsKey("id.token.claim")) {
                mapper.getConfig().put("userinfo.token.claim", mapper.getConfig().get("id.token.claim"));
                toUpdate.add(mapper);
            }
        }

        for (ProtocolMapperModel mapper : toUpdate) {
            client.updateProtocolMapper(mapper);
        }
    }

    @Override
    public ModelVersion getVersion() {
        return VERSION;
    }
}
