/**

  * Copyright (c) 2013-2017, 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.github;

 import com.jcabi.aspects.Immutable;

 import com.jcabi.aspects.Loggable;

 import com.jcabi.http.Request;

 import com.jcabi.http.response.RestResponse;

 import java.io.ByteArrayInputStream;

 import java.io.IOException;

 import java.io.InputStream;

 import java.net.HttpURLConnection;

 import javax.json.JsonObject;

 import javax.ws.rs.core.HttpHeaders;

 import lombok.EqualsAndHashCode;

 /**

  * Github release asset.

  *

  * @author Carlos Miranda (miranda.cma@gmail.com)

  * @version $Id: 632de61706513f4882cbef2edddc439a54e8b2b0 $

  */

 @Immutable

 @Loggable(Loggable.DEBUG)

 @EqualsAndHashCode(of = { "request", "owner", "num" })

 final class RtReleaseAsset implements ReleaseAsset {

     /**

      * RESTful request.

      */

     private final transient Request request;

     /**

      * Release we're in.

      */

     private final transient Release owner;

     /**

      * Release Asset number.

      */

     private final transient int num;

     /**

      * Public ctor.

      * @param req RESTful Request

      * @param release Release

      * @param number Number of the release asset.

      */

     RtReleaseAsset(

         final Request req,

         final Release release,

         final int number

     ) {

         final Coordinates coords = release.repo().coordinates();

         this.request = req.uri()

             .path("/repos")

             .path(coords.user())

             .path(coords.repo())

             .path("/releases")

             .path("/assets")

             .path(Integer.toString(number))

             .back();

         this.owner = release;

         this.num = number;

     }

     @Override

     public String toString() {

         return this.request.uri().get().toString();

     }

     @Override

     public Release release() {

         return this.owner;

     }

     @Override

     public int number() {

         return this.num;

     }

     @Override

     public JsonObject json() throws IOException {

         return new RtJson(this.request).fetch();

     }

     @Override

     public void patch(

         final JsonObject json

     ) throws IOException {

         new RtJson(this.request).patch(json);

     }

     @Override

     public void remove() throws IOException {

         this.request.method(Request.DELETE).fetch()

             .as(RestResponse.class)

             .assertStatus(HttpURLConnection.HTTP_NO_CONTENT);

     }

     /**

      * Get raw release asset content.

      *

      * @see <a href="http://developer.github.com/v3/repos/releases/">Releases API</a>

      * @return Stream with content

      * @throws IOException If some problem inside.

      */

     @Override

     public InputStream raw() throws IOException {

         return new ByteArrayInputStream(

             this.request.method(Request.GET)

                 .reset(HttpHeaders.ACCEPT).header(

                     HttpHeaders.ACCEPT,

                     "application/vnd.github.v3.raw"

                 )

                 .fetch()

                 .as(RestResponse.class)

                 .assertStatus(HttpURLConnection.HTTP_OK)

                 .binary()

         );

     }

 }