/*
 * 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.jdbc.oceanbase.database.dialect;

/** Compatible mode of OceanBase. */
public enum OceanBaseCompatibleMode {
    MySQL,
    Oracle;

    public static OceanBaseCompatibleMode parse(String text) {
        if (text == null || text.trim().isEmpty()) {
            return OceanBaseCompatibleMode.MySQL;
        }
        switch (text.trim().toLowerCase()) {
            case "mysql":
                return OceanBaseCompatibleMode.MySQL;
            case "oracle":
                return OceanBaseCompatibleMode.Oracle;
            default:
                throw new IllegalArgumentException("Unsupported compatible mode: " + text);
        }
    }

    public boolean isMySQLMode() {
        return this == MySQL;
    }

    @Override
    public String toString() {
        return this.name().toLowerCase();
    }
}
