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// Copyright 2021 The NATS Authors
// 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 io.nats.client.api;

import java.util.HashMap;
import java.util.Map;

/**
 * Key Value Operations Enum
 */
public enum KeyValueOperation {
    PUT("PUT"), DELETE("DEL"), PURGE("PURGE");

    private final String headerValue;

    KeyValueOperation(String headerValue) {
        this.headerValue = headerValue;
    }

    private static final Map strEnumHash = new HashMap<>();

    public String getHeaderValue() {
        return headerValue;
    }

    static {
        for (KeyValueOperation kvo : KeyValueOperation.values()) {
            strEnumHash.put(kvo.headerValue, kvo);
        }
    }

    public static KeyValueOperation getOrDefault(String s, KeyValueOperation dflt) {
        KeyValueOperation kvo = s == null ? null : strEnumHash.get(s.toUpperCase());
        return kvo == null ? dflt : kvo;
    }
}