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/*
 * Licensed 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.facebook.presto.iceberg.changelog;

import com.facebook.presto.spi.PrestoException;

import static com.facebook.presto.spi.StandardErrorCode.NOT_SUPPORTED;

/**
 * This wrapper class is added to avoid adding special classes and simplifying
 * the presto protocol generation for Prestissimo
 */
public enum ChangelogOperation
{
    INSERT,
    DELETE,
    UPDATE_BEFORE,
    UPDATE_AFTER;

    public static ChangelogOperation fromIcebergChangelogOperation(org.apache.iceberg.ChangelogOperation operation)
    {
        ChangelogOperation prestoOperation;
        switch (operation) {
            case INSERT:
                prestoOperation = INSERT;
                break;
            case DELETE:
                prestoOperation = DELETE;
                break;
            case UPDATE_BEFORE:
                prestoOperation = UPDATE_BEFORE;
                break;
            case UPDATE_AFTER:
                prestoOperation = UPDATE_AFTER;
                break;
            default:
                throw new PrestoException(NOT_SUPPORTED, "Unsupported Changelog Operation: " + operation);
        }

        return prestoOperation;
    }
}