/*
 * 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.shardingsphere.elasticjob.tracing.rdb.storage.sql;

import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import lombok.SneakyThrows;
import org.apache.shardingsphere.elasticjob.tracing.rdb.storage.type.TracingStorageDatabaseType;

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

/**
 * SQL properties factory.
 */
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public final class SQLPropertiesFactory {
    
    /**
     * Get SQL properties.
     *
     * @param type tracing storage database type
     * @return SQL properties
     */
    public static Properties getProperties(final TracingStorageDatabaseType type) {
        return loadProps(String.format("%s.properties", type.getType()));
    }
    
    @SneakyThrows(IOException.class)
    private static Properties loadProps(final String sqlPropertiesFileName) {
        Properties result = new Properties();
        result.load(getPropertiesInputStream(sqlPropertiesFileName));
        return result;
    }
    
    private static InputStream getPropertiesInputStream(final String sqlPropertiesFileName) {
        InputStream sqlPropertiesFile = SQLPropertiesFactory.class.getClassLoader().getResourceAsStream(String.format("META-INF/sql/%s", sqlPropertiesFileName));
        return null == sqlPropertiesFile ? SQLPropertiesFactory.class.getClassLoader().getResourceAsStream("META-INF/sql/SQL92.properties") : sqlPropertiesFile;
    }
}
