/**

  * Copyright (c) 2014-2015, Thindeck.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 thindeck.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.thindeck.fakes;

 import com.jcabi.aspects.Immutable;

 import com.jcabi.log.Logger;

 import com.jcabi.xml.StrictXML;

 import com.jcabi.xml.XML;

 import com.jcabi.xml.XMLDocument;

 import com.thindeck.api.Agent;

 import com.thindeck.api.Deck;

 import com.thindeck.api.Events;

 import java.io.File;

 import java.io.IOException;

 import lombok.EqualsAndHashCode;

 import lombok.ToString;

 import org.apache.commons.io.FileUtils;

 import org.apache.commons.io.FilenameUtils;

 import org.apache.commons.lang3.CharEncoding;

 import org.xembly.Xembler;

 /**

  * Mock of {@link com.thindeck.api.Deck}.

  *

  * @author Yegor Bugayenko (yegor@teamed.io)

  * @version $Id$

  * @since 0.4

  */

 @Immutable

 @ToString

 @EqualsAndHashCode

 public final class FkDeck implements Deck {

     /**

      * File path.

      */

     private final transient String path;

     /**

      * Ctor.

      * @throws IOException If fails

      */

     public FkDeck() throws IOException {

         this(FkDeck.temp());

     }

     /**

      * Ctor.

      * @param file File to use for XML

      */

     public FkDeck(final File file) {

         this.path = file.getAbsolutePath();

     }

     @Override

     public String name() {

         return FilenameUtils.getBaseName(this.path);

     }

     @Override

     public void exec(final Agent agent) throws IOException {

         final XML before = new StrictXML(

             Deck.UPGRADE.transform(

                 new XMLDocument(new File(this.path))

             ),

             Deck.SCHEMA

         );

         final XML after = new XMLDocument(

             new Xembler(agent.exec(before)).applyQuietly(before.node())

         );

         FileUtils.write(

             new File(this.path),

             new StrictXML(

                 after,

                 Deck.SCHEMA

             ).toString(),

             CharEncoding.UTF_8

         );

         Logger.info(

             this, "deck saved to %s (%d bytes):\n%s", this.path,

             new File(this.path).length(), after

         );

     }

     @Override

     public Events events() {

         return new FkEvents();

     }

     /**

      * Create temp file.

      * @return Temp file with XML

      * @throws IOException If fails

      */

     private static File temp() throws IOException {

         final File file = File.createTempFile("thindeck-", ".xml");

         FileUtils.write(file, "<deck/>");

         FileUtils.forceDeleteOnExit(file);

         return file;

     }

 }