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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) [2020-2021] Payara Foundation and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://github.com/payara/Payara/blob/master/LICENSE.txt
 * See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * The Payara Foundation designates this particular file as subject to the "Classpath"
 * exception as provided by the Payara Foundation in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * If you wish your version of this file to be governed by only the CDDL or
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 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
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 */
package fish.payara.nucleus.microprofile.config.source;

import java.io.IOException;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.glassfish.internal.api.Globals;

import fish.payara.nucleus.microprofile.config.spi.JDBCConfigSourceConfiguration;

public class JDBCConfigSource extends PayaraConfigSource {

    private static final Logger LOGGER = Logger.getLogger(JDBCConfigSource.class.getName());

    private final JDBCConfigSourceConfiguration config;

    public JDBCConfigSource() {
        this.config = Globals.getDefaultHabitat().getService(JDBCConfigSourceConfiguration.class);
    }

    @Override
    public Map getProperties() {
        JDBCConfigSourceHelper helper = getHelper();
        if (helper == null) {
            return null;
        }
        try {
            return helper.getAllConfigValues();
        } finally {
            try {
                helper.close();
            } catch (IOException e) {
                LOGGER.log(Level.SEVERE, "Error closing JDBC connection", e);
            }
        }
    }

    @Override
    public int getOrdinal() {
        String storedOrdinal = getValue("config_ordinal");
        if (storedOrdinal != null) {
            return Integer.parseInt(storedOrdinal);
        }
        return Integer.parseInt(configService.getMPConfig().getJdbcOrdinality());
    }

    @Override
    public String getValue(String propertyName) {
        JDBCConfigSourceHelper helper = getHelper();
        if (helper == null) {
            return null;
        }
        try {
            return helper.getConfigValue(propertyName);
        } finally {
            try {
                helper.close();
            } catch (IOException e) {
                LOGGER.log(Level.SEVERE, "Error closing JDBC connection", e);
            }
        }
    }

    @Override
    public String getName() {
        return "JDBC";
    }

    private JDBCConfigSourceHelper getHelper() {
        if (config != null) {
            return new JDBCConfigSourceHelper(config);
        }
        return null;
    }

}