/**

  * Copyright (c) 2011-2017, jcabi.com

  * 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 the jcabi.com 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.jcabi.http.request;

 import com.jcabi.aspects.Immutable;

 import com.jcabi.aspects.Loggable;

 import com.jcabi.http.ImmutableHeader;

 import com.jcabi.http.Request;

 import com.jcabi.http.RequestBody;

 import com.jcabi.http.RequestURI;

 import com.jcabi.http.Response;

 import com.jcabi.http.Wire;

 import com.jcabi.immutable.Array;

 import java.io.IOException;

 import java.io.InputStream;

 import java.net.HttpURLConnection;

 import java.nio.charset.Charset;

 import java.util.Collection;

 import java.util.Collections;

 import java.util.Map;

 import lombok.EqualsAndHashCode;

 /**

  * Implementation of {@link Request} that always returns the same

  * response, specified in the constructor.

  *

  * <p>The class is immutable and thread-safe.

  *

  * @author Yegor Bugayenko (yegor@tpc2.com)

  * @version $Id: a1c230f99e9149c56391d0946e47f456b62fb741 $

  * @since 0.9

  * @checkstyle ClassDataAbstractionCoupling (500 lines)

  */

 @Immutable

 @EqualsAndHashCode(of = { "base", "code", "phrase", "hdrs", "content" })

 @Loggable(Loggable.DEBUG)

 @SuppressWarnings("PMD.TooManyMethods")

 public final class FakeRequest implements Request {

     /**

      * An empty immutable {@code byte} array.

      */

     private static final byte[] EMPTY_BYTE_ARRAY = new byte[0];

     /**

      * The Charset to use.

      */

     private static final Charset CHARSET = Charset.forName("UTF-8");

     /**

      * Base request.

      * @checkstyle ParameterNumber (15 lines)

      */

     private final transient Request base;

     /**

      * Status code.

      */

     private final transient int code;

     /**

      * Reason phrase.

      */

     private final transient String phrase;

     /**

      * Headers.

      */

     private final transient Array<Map.Entry<String, String>> hdrs;

     /**

      * Content received.

      */

     @Immutable.Array

     private final transient byte[] content;

     /**

      * Public ctor.

      */

     public FakeRequest() {

         this(

             HttpURLConnection.HTTP_OK,

             "OK",

             Collections.<Map.Entry<String, String>>emptyList(),

             FakeRequest.EMPTY_BYTE_ARRAY

         );

     }

     /**

      * Public ctor.

      * @param status HTTP status code to return

      * @param reason HTTP reason

      * @param headers HTTP headers

      * @param body HTTP body

      * @checkstyle ParameterNumber (10 lines)

      */

     public FakeRequest(final int status, final String reason,

         final Collection<Map.Entry<String, String>> headers,

         final byte[] body) {

         this.code = status;

         this.phrase = reason;

         this.hdrs = new Array<>(headers);

         this.content = body.clone();

         this.base = new BaseRequest(

             new Wire() {

                 @Override

                 // @checkstyle ParameterNumber (6 lines)

                 public Response send(final Request req, final String home,

                     final String method,

                     final Collection<Map.Entry<String, String>> headers,

                     final InputStream text,

                     final int connect,

                     final int read) {

                     return new DefaultResponse(

                         req,

                         FakeRequest.this.code,

                         FakeRequest.this.phrase,

                         FakeRequest.this.hdrs,

                         FakeRequest.this.content

                     );

                 }

             },

             "http://localhost:12345/see-FakeRequest-class"

         );

     }

     @Override

     public String toString() {

         return this.base.toString();

     }

     @Override

     public RequestURI uri() {

         return this.base.uri();

     }

     @Override

     public Request header(final String name, final Object value) {

         return this.base.header(name, value);

     }

     @Override

     public Request reset(final String name) {

         return this.base.reset(name);

     }

     @Override

     public RequestBody body() {

         return this.base.body();

     }

     @Override

     public RequestBody multipartBody() {

         return this.base.multipartBody();

     }

     @Override

     public Request method(final String method) {

         return this.base.method(method);

     }

     @Override

     public Request timeout(final int connect, final int read) {

         return this.base.timeout(connect, read);

     }

     @Override

     public Response fetch() throws IOException {

         return this.base.fetch();

     }

     @Override

     public Response fetch(final InputStream stream) throws IOException {

         if (this.content.length > 0) {

             throw new IllegalStateException(

                 "Request Body is not empty, use fetch() instead"

             );

         }

         return this.base.fetch(stream);

     }

     @Override

     public <T extends Wire> Request through(final Class<T> type,

         final Object... args) {

         return this.base.through(type, args);

     }

     /**

      * Make a similar request, with the provided status code.

      * @param status The code

      * @return New request

      */

     public FakeRequest withStatus(final int status) {

         return new FakeRequest(

             status,

             this.phrase,

             this.hdrs,

             this.content

         );

     }

     /**

      * Make a similar request, with the provided reason line.

      * @param reason Reason line

      * @return New request

      */

     public FakeRequest withReason(final String reason) {

         return new FakeRequest(

             this.code,

             reason,

             this.hdrs,

             this.content

         );

     }

     /**

      * Make a similar request, with the provided HTTP header.

      * @param name Name of the header

      * @param value Value of it

      * @return New request

      */

     public FakeRequest withHeader(final String name, final String value) {

         return new FakeRequest(

             this.code,

             this.phrase,

             this.hdrs.with(new ImmutableHeader(name, value)),

             this.content

         );

     }

     /**

      * Make a similar request, with the provided body.

      * @param text Body

      * @return New request

      */

     public FakeRequest withBody(final String text) {

         return this.withBody(text.getBytes(FakeRequest.CHARSET));

     }

     /**

      * Make a similar request, with the provided body.

      * @param body Body

      * @return New request

      */

     public FakeRequest withBody(final byte[] body) {

         return new FakeRequest(

             this.code,

             this.phrase,

             this.hdrs,

             body

         );

     }

 }