/**

  * 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.cockpit.deck;

 import com.google.common.collect.Iterables;

 import com.jcabi.aspects.Tv;

 import com.thindeck.api.Base;

 import com.thindeck.api.Deck;

 import com.thindeck.cockpit.RsPage;

 import java.io.IOException;

 import java.util.Date;

 import org.ocpsoft.prettytime.PrettyTime;

 import org.takes.Request;

 import org.takes.Response;

 import org.takes.Take;

 import org.takes.misc.Href;

 import org.takes.rs.xe.XeAppend;

 import org.takes.rs.xe.XeChain;

 import org.takes.rs.xe.XeDirectives;

 import org.takes.rs.xe.XeLink;

 import org.takes.rs.xe.XeSource;

 import org.takes.rs.xe.XeTransform;

 import org.xembly.Directives;

 import org.xembly.Xembler;

 /**

  * Deck.

  *

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

  * @version $Id$

  * @since 0.5

  * @checkstyle ClassDataAbstractionCouplingCheck (500 lines)

  * @checkstyle MultipleStringLiteralsCheck (500 lines)

  */

 public final class TkIndex implements Take {

     /**

      * Base.

      */

     private final transient Base base;

     /**

      * Ctor.

      * @param bse Base

      */

     TkIndex(final Base bse) {

         this.base = bse;

     }

     @Override

     public Response act(final Request req) throws IOException {

         final Deck deck = new RqDeck(this.base, req).deck();

         final Href home = new Href("/d").path(deck.name());

         final PrettyTime pretty = new PrettyTime();

         return new RsPage(

             "/xsl/deck.xsl",

             this.base,

             req,

             new XeAppend(

                 "deck",

                 new XeDirectives(

                     Directives.copyOf(new Deck.Smart(deck).xml().node())

                 ),

                 new XeChain(

                     new XeLink("open", home.path("open")),

                     new XeLink("help", home.path("help")),

                     new XeLink("command", home.path("command"))

                 )

             ),

             new XeAppend(

                 "events",

                 new XeTransform<>(

                     Iterables.limit(

                         deck.events().iterate(Long.MAX_VALUE),

                         Tv.TWENTY

                     ),

                     new XeTransform.Func<String>() {

                         @Override

                         public XeSource transform(final String txt) {

                             final String[] parts = txt.split("\n", Tv.THREE);

                             final long msec = Long.parseLong(parts[1]);

                             return new XeDirectives(

                                 new Directives().add("event")

                                     .attr("head", Xembler.escape(parts[0]))

                                     .attr("msec", Long.toString(msec))

                                     .attr("ago", pretty.format(new Date(msec)))

                                     .set(Xembler.escape(parts[2]))

                             );

                         }

                     }

                 )

             )

         );

     }

 }