/*
 * 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.iggy.client.blocking.http;

import org.apache.hc.core5.http.message.BasicNameValuePair;
import org.apache.iggy.client.blocking.MessagesClient;
import org.apache.iggy.consumergroup.Consumer;
import org.apache.iggy.identifier.StreamId;
import org.apache.iggy.identifier.TopicId;
import org.apache.iggy.message.Message;
import org.apache.iggy.message.Partitioning;
import org.apache.iggy.message.PolledMessages;
import org.apache.iggy.message.PollingStrategy;

import java.util.List;
import java.util.Optional;

class MessagesHttpClient implements MessagesClient {

    private final InternalHttpClient httpClient;

    public MessagesHttpClient(InternalHttpClient httpClient) {
        this.httpClient = httpClient;
    }

    @Override
    public PolledMessages pollMessages(
            StreamId streamId,
            TopicId topicId,
            Optional<Long> partitionId,
            Consumer consumer,
            PollingStrategy strategy,
            Long count,
            boolean autoCommit) {
        var request = httpClient.prepareGetRequest(
                path(streamId, topicId),
                new BasicNameValuePair("consumer_id", consumer.id().toString()),
                partitionId
                        .map(id -> new BasicNameValuePair("partition_id", id.toString()))
                        .orElse(null),
                new BasicNameValuePair("kind", strategy.kind().name().toLowerCase()),
                new BasicNameValuePair("value", strategy.value().toString()),
                new BasicNameValuePair("count", count.toString()),
                new BasicNameValuePair("auto_commit", Boolean.toString(autoCommit)));
        return httpClient.execute(request, PolledMessages.class);
    }

    @Override
    public void sendMessages(StreamId streamId, TopicId topicId, Partitioning partitioning, List<Message> messages) {
        var request = httpClient.preparePostRequest(path(streamId, topicId), new SendMessages(partitioning, messages));
        httpClient.execute(request);
    }

    private static String path(StreamId streamId, TopicId topicId) {
        return "/streams/" + streamId + "/topics/" + topicId + "/messages";
    }

    private record SendMessages(Partitioning partitioning, List<Message> messages) {}
}
