/*
 * 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.examples.userstorage.readonly;

import org.jboss.logging.Logger;
import org.keycloak.Config;
import org.keycloak.component.ComponentModel;
import org.keycloak.models.KeycloakSession;
import org.keycloak.storage.UserStorageProviderFactory;
import org.keycloak.storage.UserStorageProviderModel;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

/**
 * @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
 * @version $Revision: 1 $
 */
public class PropertyFileUserStorageProviderFactory implements UserStorageProviderFactory<PropertyFileUserStorageProvider> {

    private static final Logger logger = Logger.getLogger(PropertyFileUserStorageProviderFactory.class);

    public static final String PROVIDER_NAME = "readonly-property-file";

    protected Properties properties = new Properties();

    @Override
    public String getId() {
        return PROVIDER_NAME;
    }


    @Override
    public void init(Config.Scope config) {
        InputStream is = getClass().getClassLoader().getResourceAsStream("/users.properties");

        if (is == null) {
            logger.warn("Could not find users.properties in classpath");
        } else {
            try {
                properties.load(is);
            } catch (IOException ex) {
                logger.error("Failed to load users.properties file", ex);
            }
        }
    }

    @Override
    public PropertyFileUserStorageProvider create(KeycloakSession session, ComponentModel model) {
        return new PropertyFileUserStorageProvider(session, model, properties);
    }

}