/**

  * 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.google.common.base.Function;

 import com.google.common.collect.Iterables;

 import com.google.common.io.Files;

 import com.jcabi.aspects.Immutable;

 import com.thindeck.api.Deck;

 import com.thindeck.api.Decks;

 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.filefilter.TrueFileFilter;

 import org.xembly.Directives;

 /**

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

  *

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

  * @version $Id$

  * @since 0.4

  */

 @Immutable

 @ToString

 @EqualsAndHashCode

 public final class FkDecks implements Decks {

     /**

      * Dir path.

      */

     private final transient String path;

     /**

      * Ctor.

      * @throws IOException If fails

      */

     public FkDecks() throws IOException {

         this(FkDecks.temp());

     }

     /**

      * Ctor.

      * @param file File to use for XML

      */

     public FkDecks(final File file) {

         this.path = file.getAbsolutePath();

     }

     @Override

     public Deck get(final String name) {

         return new FkDeck(new File(this.path, name));

     }

     @Override

     public void add(final String name) throws IOException {

         final File file = new File(this.path, name);

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

         new Deck.Smart(new FkDeck(file)).update(

             new Directives().xpath("/deck").attr(

                 "name", String.format("test/%s", name)

             )

         );

     }

     @Override

     public void delete(final String name) {

         new File(this.path, name).delete();

     }

     @Override

     public Iterable<Deck> iterate() {

         return Iterables.transform(

             FileUtils.listFiles(

                 new File(this.path),

                 TrueFileFilter.INSTANCE,

                 TrueFileFilter.INSTANCE

             ),

             new Function<File, Deck>() {

                 @Override

                 public Deck apply(final File input) {

                     return new FkDeck(input);

                 }

             }

         );

     }

     /**

      * Create temp dir.

      * @return Temp dir

      * @throws IOException If fails

      */

     private static File temp() throws IOException {

         final File file = Files.createTempDir();

         FileUtils.forceDeleteOnExit(file);

         return file;

     }

 }