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/*
 * Copyright 2023 StreamThoughts.
 *
 * 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 io.streamthoughts.jikkou.kafka.adapters;

import static java.util.Optional.ofNullable;

import io.streamthoughts.jikkou.kafka.model.KafkaClientQuotaConfigs;
import java.util.HashMap;
import java.util.Map;
import java.util.OptionalDouble;

public final class V1KafkaClientQuotaConfigsAdapter {

    public static final String PRODUCER_BYTE_RATE = "producer_byte_rate";
    public static final String CONSUMER_BYTE_RATE = "consumer_byte_rate";
    public static final String REQUEST_PERCENTAGE = "request_percentage";
    private static final OptionalDouble EMPTY = OptionalDouble.empty();

    public static Map toClientQuotaConfigs(KafkaClientQuotaConfigs limits) {
        final Map result = new HashMap<>();
        if (limits != null) {
            limits.getConsumerByteRate().ifPresent(it -> result.put(CONSUMER_BYTE_RATE, it));
            limits.getProducerByteRate().ifPresent(it -> result.put(PRODUCER_BYTE_RATE, it));
            limits.getRequestPercentage().ifPresent(it -> result.put(REQUEST_PERCENTAGE, it));
        }
        return result;
    }

    public static KafkaClientQuotaConfigs toClientQuotaConfigs(Map limits) {
        if (limits == null) limits = new HashMap<>();
        return KafkaClientQuotaConfigs
                .builder()
                .withProducerByteRate(ofNullable(limits.get(PRODUCER_BYTE_RATE)).map(OptionalDouble::of).orElse(EMPTY))
                .withConsumerByteRate(ofNullable(limits.get(CONSUMER_BYTE_RATE)).map(OptionalDouble::of).orElse(EMPTY))
                .withRequestPercentage(ofNullable(limits.get(REQUEST_PERCENTAGE)).map(OptionalDouble::of).orElse(EMPTY))
                .build();
    }
}