/**

  * 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.Github;

 import com.jcabi.github.Notifications;

 import com.jcabi.github.PublicKeys;

 import com.jcabi.github.User;

 import com.jcabi.github.UserEmails;

 import com.jcabi.github.UserOrganizations;

 import com.jcabi.xml.XML;

 import java.io.IOException;

 import java.util.Date;

 import javax.json.Json;

 import javax.json.JsonObject;

 import lombok.EqualsAndHashCode;

 import lombok.ToString;

 import org.xembly.Directives;

 /**

  * Github user.

  *

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

  * @version $Id: c259b216dffd6603eecd4884b7cf0cf02460abc2 $

  * @since 0.5

  * @checkstyle ClassDataAbstractionCouplingCheck (8 lines)

  */

 @Immutable

 @Loggable(Loggable.DEBUG)

 @ToString

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

 final class MkUser implements User {

     /**

      * Storage.

      */

     private final transient MkStorage storage;

     /**

      * Login of the user logged in.

      */

     private final transient String self;

     /**

      * Public ctor.

      * @param stg Storage

      * @param login User to login

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

      */

     MkUser(final MkStorage stg, final String login) throws IOException {

         this.storage = stg;

         this.self = login;

         this.storage.apply(

             new Directives()

                 .xpath(

                     String.format(

                         "/github/users[not(user[login='%s'])]", login

                     )

                 )

                 .add("user")

                 .add("login").set(login).up()

                 .add("type").set("User").up()

                 .add("name").set(login).up()

                 .add("notifications").up()

         );

     }

     @Override

     public Github github() {

         return new MkGithub(this.storage, this.self);

     }

     @Override

     public String login() {

         return this.self;

     }

     @Override

     public UserOrganizations organizations() {

         try {

             return new MkUserOrganizations(this.storage, this.self);

         } catch (final IOException ex) {

             throw new IllegalStateException(ex);

         }

     }

     @Override

     public PublicKeys keys() {

         try {

             return new MkPublicKeys(this.storage, this.self);

         } catch (final IOException ex) {

             throw new IllegalStateException(ex);

         }

     }

     @Override

     public UserEmails emails() {

         try {

             return new MkUserEmails(this.storage, this.self);

         } catch (final IOException ex) {

             throw new IllegalStateException(ex);

         }

     }

     @Override

     public Notifications notifications() {

         return new MkNotifications(

             this.storage,

             this.xpath().concat("/notifications/notification")

         );

     }

     @Override

     public void markAsRead(final Date lastread) throws IOException {

         final Iterable<XML> ids = this.storage.xml().nodes(

             this.xpath() + String.format(

                 "/notifications/notification[date <= %s]/id",

                 lastread.getTime()

             )

         );

         final JsonPatch json = new JsonPatch(this.storage);

         final JsonObject read = Json.createObjectBuilder()

             .add("read", true).build();

         for (final XML nid : ids) {

             json.patch(

                 String.format(

                     this.xpath().concat("/notifications/notification[id = %s]"),

                     nid.xpath("text()").get(0)

                 ),

                 read

             );

         }

     }

     @Override

     public void patch(

         final JsonObject json

     ) throws IOException {

         new JsonPatch(this.storage).patch(this.xpath(), json);

     }

     @Override

     public JsonObject json() throws IOException {

         return new JsonNode(

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

         ).json();

     }

     /**

      * XPath of this element in XML tree.

      * @return XPath

      */

     private String xpath() {

         return String.format("/github/users/user[login='%s']", this.self);

     }

 }