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/*
 * The MIT License (MIT) Copyright (c) 2020-2023 artipie.com
 * https://github.com/artipie/artipie/blob/master/LICENSE.txt
 */
package com.artipie.nuget.http;

import com.artipie.asto.Content;
import com.artipie.http.Connection;
import com.artipie.http.Headers;
import com.artipie.http.Response;
import com.artipie.http.rs.RsStatus;
import com.artipie.http.rs.StandardRs;
import java.nio.ByteBuffer;
import java.util.concurrent.CompletionStage;
import org.reactivestreams.Publisher;

/**
 * Response with body. Adds no headers as opposite to {@link com.artipie.http.rs.RsWithBody}.
 * Used because `nuget` command line utility for Linux
 * fails to read JSON responses when `Content-Length` header presents.
 *
 * @since 0.3
 */
public final class RsWithBodyNoHeaders implements Response {

    /**
     * Origin response.
     */
    private final Response origin;

    /**
     * Body content.
     */
    private final Content body;

    /**
     * Creates new response from byte buffer.
     *
     * @param bytes Body bytes
     */
    public RsWithBodyNoHeaders(final byte[] bytes) {
        this(StandardRs.EMPTY, bytes);
    }

    /**
     * Decorates origin response body with byte buffer.
     *
     * @param origin Response
     * @param bytes Body bytes
     */
    public RsWithBodyNoHeaders(final Response origin, final byte[] bytes) {
        this(origin, new Content.From(bytes));
    }

    /**
     * Decorates origin response body with content.
     *
     * @param origin Response
     * @param body Content
     */
    public RsWithBodyNoHeaders(final Response origin, final Content body) {
        this.origin = origin;
        this.body = body;
    }

    @Override
    public CompletionStage send(final Connection con) {
        return this.origin.send(new ConWithBody(con, this.body));
    }

    /**
     * Connection with body publisher.
     *
     * @since 0.3
     */
    private static final class ConWithBody implements Connection {

        /**
         * Origin connection.
         */
        private final Connection origin;

        /**
         * Body publisher.
         */
        private final Publisher body;

        /**
         * Ctor.
         *
         * @param origin Connection
         * @param body Publisher
         */
        ConWithBody(final Connection origin, final Publisher body) {
            this.origin = origin;
            this.body = body;
        }

        @Override
        public CompletionStage accept(
            final RsStatus status,
            final Headers headers,
            final Publisher none) {
            return this.origin.accept(status, headers, this.body);
        }
    }
}