/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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.apache.usergrid.mongo;


import java.util.Map;
import java.util.Properties;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.apache.usergrid.management.ManagementService;
import org.apache.usergrid.mq.QueueManagerFactory;
import org.apache.usergrid.persistence.EntityManagerFactory;
import org.apache.usergrid.services.ServiceManagerFactory;


public class DatabaseInitializer {

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

    protected EntityManagerFactory emf;

    protected ServiceManagerFactory smf;

    protected ManagementService management;

    protected Properties properties;

    protected QueueManagerFactory qmf;


    public DatabaseInitializer() {

    }


    public EntityManagerFactory getEntityManagerFactory() {
        return emf;
    }


    @Autowired
    public void setEntityManagerFactory( EntityManagerFactory emf ) {
        this.emf = emf;
    }


    public ServiceManagerFactory getServiceManagerFactory() {
        return smf;
    }


    @Autowired
    public void setServiceManagerFactory( ServiceManagerFactory smf ) {
        this.smf = smf;
    }


    public ManagementService getManagementService() {
        return management;
    }


    @Autowired
    public void setManagementService( ManagementService management ) {
        this.management = management;
    }


    public Properties getProperties() {
        return properties;
    }


    @Autowired
    public void setProperties( Properties properties ) {
        this.properties = properties;
    }


    public QueueManagerFactory getQueueManagerFactory() {
        return qmf;
    }


    @Autowired
    public void setQueueManagerFactory( QueueManagerFactory qmf ) {
        this.qmf = qmf;
    }


    boolean databaseInitializationPerformed = false;


    public void init() {
        logger.info( "Initializing server with Spring" );

        // If we're running an embedded Cassandra, we always need to initialize
        // it since Hector wipes the data on startup.
        //

        if ( databaseInitializationPerformed ) {
            logger.info( "Can only attempt to initialized database once per JVM process" );
            return;
        }
        databaseInitializationPerformed = true;

        logger.info( "Initializing Cassandra database" );
        Map<String, String> properties = emf.getServiceProperties();
        if ( properties != null ) {
            logger.error( "System properties are initialized, database is set up already." );
            return;
        }

        try {
            emf.setup();
        }
        catch ( Exception e ) {
            logger.error( "Unable to complete core database setup, possibly due to it being setup already", e );
        }

        try {
            management.setup();
        }
        catch ( Exception e ) {
            logger.error( "Unable to complete management database setup, possibly due to it being setup already", e );
        }

        logger.info( "Usergrid schema setup" );
    }
}