/*
 *
 *  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 com.dlink.flink.catalog.factory;

import com.dlink.flink.catalog.DlinkMysqlCatalog;
import org.apache.flink.configuration.ConfigOption;
import org.apache.flink.table.catalog.Catalog;
import org.apache.flink.table.factories.CatalogFactory;
import org.apache.flink.table.factories.FactoryUtil;

import java.util.HashSet;
import java.util.Set;

import static com.dlink.flink.catalog.factory.DlinkMysqlCatalogFactoryOptions.*;
import static org.apache.flink.table.factories.FactoryUtil.PROPERTY_VERSION;

/**
 * Factory for {@link DlinkMysqlCatalog}.
 */
public class DlinkMysqlCatalogFactory implements CatalogFactory {

    @Override
    public String factoryIdentifier() {
        return DlinkMysqlCatalogFactoryOptions.IDENTIFIER;
    }

    @Override
    public Set<ConfigOption<?>> requiredOptions() {
        final Set<ConfigOption<?>> options = new HashSet<>();
        return options;
    }

    @Override
    public Set<ConfigOption<?>> optionalOptions() {
        final Set<ConfigOption<?>> options = new HashSet<>();
        options.add(USERNAME);
        options.add(PASSWORD);
        options.add(URL);
        options.add(PROPERTY_VERSION);
        return options;
    }

    @Override
    public Catalog createCatalog(Context context) {
        final FactoryUtil.CatalogFactoryHelper helper =
            FactoryUtil.createCatalogFactoryHelper(this, context);
        helper.validate();

        return new DlinkMysqlCatalog(
            context.getName(),
            helper.getOptions().get(URL),
            helper.getOptions().get(USERNAME),
            helper.getOptions().get(PASSWORD));
    }
}
