/*
 * 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.flink.connector.http.table.lookup.querycreators;

import org.apache.flink.api.common.serialization.SerializationSchema;
import org.apache.flink.configuration.ConfigOption;
import org.apache.flink.configuration.ConfigOptions;
import org.apache.flink.configuration.ReadableConfig;
import org.apache.flink.table.connector.format.EncodingFormat;
import org.apache.flink.table.data.RowData;
import org.apache.flink.table.factories.DynamicTableFactory.Context;
import org.apache.flink.table.factories.FactoryUtil;
import org.apache.flink.table.factories.SerializationFormatFactory;
import org.apache.flink.table.factories.TestFormatFactory.EncodingFormatMock;

import java.util.Collections;
import java.util.Set;

/** Custom format factory. */
public class CustomFormatFactory implements SerializationFormatFactory {

    public static final String IDENTIFIER = "query-creator-test-format";
    public static final String REQUIRED_OPTION = "required-option-one";

    /** TODO remove static - used for testing only. */
    static boolean requiredOptionsWereUsed = false;

    @Override
    public EncodingFormat<SerializationSchema<RowData>> createEncodingFormat(
            Context context, ReadableConfig readableConfig) {
        FactoryUtil.validateFactoryOptions(this, readableConfig);
        return new EncodingFormatMock(",");
    }

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

    @Override
    public Set<ConfigOption<?>> requiredOptions() {
        requiredOptionsWereUsed = true;
        return Set.of(ConfigOptions.key(REQUIRED_OPTION).stringType().noDefaultValue());
    }

    @Override
    public Set<ConfigOption<?>> optionalOptions() {
        return Collections.emptySet();
    }
}
