/**
 * Copyright (c) 2018-2019, Mihai Emil Andronache
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 1)Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 2)Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 3)Neither the name of docker-java-api nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package com.amihaiemil.docker;

import java.io.IOException;
import org.apache.http.HttpHost;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.params.HttpParams;
import org.apache.http.protocol.HttpContext;

/**
 * An authenticated HttpClient.
 * @author George Aristy ([email protected])
 * @version $Id: f8ae0360e0031c848f0d75c4a4ca0abb294a4c96 $
 * @since 0.0.1
 */
final class AuthHttpClient implements HttpClient {
    /**
     * The decorated HttpClient.
     */
    private final HttpClient origin;
    /**
     * The authentication to inject into requests.
     */
    private final Auth authentication;

    /**
     * Ctor.
     * @param origin The HttpClient to decorate.
     * @param authentication The authentication to inject into requests.
     */
    AuthHttpClient(final HttpClient origin, final Auth authentication) {
        this.origin = origin;
        this.authentication = authentication;
    }

    @Override
    public HttpParams getParams() {
        throw new UnsupportedOperationException();
    }

    @Override
    public ClientConnectionManager getConnectionManager() {
        throw new UnsupportedOperationException();
    }

    @Override
    public HttpResponse execute(final HttpUriRequest request)
        throws IOException {
        if (!request.containsHeader(this.authentication.headerName())) {
            request.setHeader(
                this.authentication.headerName(),
                this.authentication.encoded()
            );
        }
        return this.origin.execute(request);
    }

    @Override
    public HttpResponse execute(
        final HttpUriRequest request, final HttpContext context
    ) throws IOException {
        throw new UnsupportedOperationException();
    }

    @Override
    public HttpResponse execute(
        final HttpHost target, final HttpRequest request
    ) throws IOException {
        throw new UnsupportedOperationException();
    }

    @Override
    public HttpResponse execute(
        final HttpHost target, final HttpRequest request,
        final HttpContext context
    ) throws IOException {
        throw new UnsupportedOperationException();
    }

    @Override
    public <T> T execute(
        final HttpUriRequest request,
        final ResponseHandler<? extends T> responseHandler
    ) throws IOException {
        throw new UnsupportedOperationException();
    }

    @Override
    public <T> T execute(
        final HttpUriRequest request,
        final ResponseHandler<? extends T> responseHandler,
        final HttpContext context
    ) throws IOException {
        throw new UnsupportedOperationException();
    }

    @Override
    public <T> T execute(
        final HttpHost target, final HttpRequest request,
        final ResponseHandler<? extends T> responseHandler
    ) throws IOException {
        throw new UnsupportedOperationException();
    }

    // @checkstyle ParameterNumber (5 lines)
    @Override
    public <T> T execute(
        final HttpHost target, final HttpRequest request,
        final ResponseHandler<? extends T> responseHandler,
        final HttpContext context
    ) throws IOException {
        throw new UnsupportedOperationException();
    }
}