/**

  * 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.mock;

 import com.jcabi.aspects.Immutable;

 import com.jcabi.aspects.Loggable;

 import com.jcabi.github.Coordinates;

 import com.jcabi.github.Event;

 import com.jcabi.github.Repo;

 import java.io.IOException;

 import javax.json.Json;

 import javax.json.JsonObject;

 import javax.json.JsonObjectBuilder;

 import javax.json.JsonValue;

 import lombok.EqualsAndHashCode;

 import lombok.ToString;

 /**

  * Mock Github event.

  *

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

  * @version $Id: 95d4636424f613844832152b144fd1ec87ea3f8f $

  * @since 0.6.1

  */

 @Immutable

 @Loggable(Loggable.DEBUG)

 @ToString

 @EqualsAndHashCode(of = { "storage", "self", "coords", "num" })

 final class MkEvent implements Event {

     /**

      * Created at.

      */

     private static final String CREATED_AT = "created_at";

     /**

      * Event.

      */

     private static final String EVENT = "event";

     /**

      * Login.

      */

     private static final String LOGIN = "login";

     /**

      * Storage.

      */

     private final transient MkStorage storage;

     /**

      * Login of the user logged in.

      */

     private final transient String self;

     /**

      * Repo name.

      */

     private final transient Coordinates coords;

     /**

      * ID number of event.

      */

     private final transient int num;

     /**

      * Public ctor.

      * @param stg Storage

      * @param login User to login

      * @param rep Repo

      * @param nmbr Number

      * @checkstyle ParameterNumber (5 lines)

      */

     MkEvent(

         final MkStorage stg,

         final String login,

         final Coordinates rep,

         final int nmbr

     ) {

         this.storage = stg;

         this.self = login;

         this.coords = rep;

         this.num = nmbr;

     }

     @Override

     public Repo repo() {

         return new MkRepo(this.storage, this.self, this.coords);

     }

     @Override

     public int number() {

         return this.num;

     }

     @Override

     public int compareTo(

         final Event event

     ) {

         throw new UnsupportedOperationException("#compareTo()");

     }

     /**

      * Describes the event in a JSON object.

      * @return JSON object

      * @throws IOException If there is any I/O problem

      * @todo #1063:30min When the event has a label, retrieve and include the

      *  label's color too. MkIssueEvents.create() will also need to be

      *  updated accordingly.

      */

     @Override

     public JsonObject json() throws IOException {

         final JsonObject obj = new JsonNode(

             this.storage.xml().nodes(this.xpath()).get(0)

         ).json();

         JsonObjectBuilder builder = Json.createObjectBuilder()

             .add("id", this.num)

             .add(

                 "url",

                 String.format(

                     // @checkstyle LineLength (1 line)

                     "https://api.jcabi-github.invalid/repos/%s/issues/events/%s",

                     this.coords,

                     this.num

                 )

             )

             .add("commit_id", JsonValue.NULL)

             // @checkstyle MultipleStringLiteralsCheck (1 line)

             .add(MkEvent.EVENT, obj.getString(MkEvent.EVENT))

             .add(

                 "actor",

                 Json.createObjectBuilder()

                     // @checkstyle MultipleStringLiteralsCheck (1 line)

                     .add(MkEvent.LOGIN, obj.getString(MkEvent.LOGIN))

                     .build()

             )

             // @checkstyle MultipleStringLiteralsCheck (1 line)

             .add(MkEvent.CREATED_AT, obj.getString(MkEvent.CREATED_AT));

         final String label = "label";

         if (obj.containsKey(label)) {

             builder = builder.add(

                 label,

                 Json.createObjectBuilder()

                     .add("name", obj.getString(label))

                     .build()

             );

         }

         return builder.build();

     }

     /**

      * XPath of this element in XML tree.

      * @return XPath

      */

     private String xpath() {

         return String.format(

             // @checkstyle LineLength (1 line)

             "/github/repos/repo[@coords='%s']/issue-events/issue-event[number='%d']",

             this.coords, this.num

         );

     }

 }