/*
    * Copyright (c) 2002-2020, City of Paris
    * 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
   *     and the following disclaimer.
   *
   *  2. Redistributions in binary form must reproduce the above copyright notice
   *     and the following disclaimer in the documentation and/or other materials
   *     provided with the distribution.
   *
   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' 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 HOLDERS 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.
   *
   * License 1.0
   */
  /*
   * To change this license header, choose License Headers in Project Properties.
   * To change this template file, choose Tools | Templates
   * and open the template in the editor.
   */
  package fr.paris.lutece.plugins.lutecetools.web.rs;
  
  import fr.paris.lutece.plugins.lutecetools.business.Stats;
  import fr.paris.lutece.plugins.lutecetools.service.StatsService;
  import fr.paris.lutece.plugins.rest.service.RestConstants;
  import fr.paris.lutece.util.xml.XmlUtil;
  import java.io.IOException;
  import javax.ws.rs.GET;
  import javax.ws.rs.HeaderParam;
  import javax.ws.rs.Path;
  import javax.ws.rs.QueryParam;
  import javax.ws.rs.core.HttpHeaders;
  import javax.ws.rs.core.MediaType;
  import javax.ws.rs.core.Response;
  import com.fasterxml.jackson.databind.ObjectMapper;
  
  /**
   *
   * @author pierre
   */
  @Path( RestConstants.BASE_PATH + Constants.PATH_PLUGIN + Constants.PATH_STATS )
  public class StatsRest
  {
      private static final String KEY_STATS = "stats";
      private static final String KEY_MAVEN_COUNT = "maven-count";
      private static final String KEY_GITHUB_COUNT = "github-count";
      private static final String KEY_GITHUB_OK = "github-ok";
      private static final String KEY_JIRA_OK = "jira-ok";
      private static final String KEY_README_OK = "readme-ok";
  
      private static final ObjectMapper _mapper = new ObjectMapper( );
  
      @GET
      @Path( "/" )
      public Response getStats( @HeaderParam( HttpHeaders.ACCEPT ) String strAccept, @QueryParam( Constants.PARAMETER_FORMAT ) String strFormat )
              throws IOException
      {
          String entity;
          String mediaType = MediaType.APPLICATION_JSON;
  
          if ( strFormat != null )
          {
              if ( strFormat.equals( Constants.MEDIA_TYPE_XML ) )
              {
                  entity = getStatsXml( );
                  mediaType = MediaType.APPLICATION_XML;
              }
              else
              {
                  entity = getStatsJson( );
              }
          }
          else
              if ( ( strAccept != null ) && strAccept.contains( MediaType.APPLICATION_XML ) )
              {
                  entity = getStatsXml( );
                  mediaType = MediaType.APPLICATION_XML;
              }
              else
              {
                  entity = getStatsJson( );
             }
 
         return Response.ok( entity, mediaType ).build( );
     }
 
     private String getStatsJson( ) throws IOException
     {
         Stats stats = StatsService.getStats( );
         return _mapper.writeValueAsString( stats );
     }
 
     private String getStatsXml( )
     {
         Stats stats = StatsService.getStats( );
         StringBuffer sbXML = new StringBuffer( XmlUtil.getXmlHeader( ) );
         XmlUtil.beginElement( sbXML, KEY_STATS );
         XmlUtil.addElement( sbXML, KEY_MAVEN_COUNT, stats.getMavenCount( ) );
         XmlUtil.addElement( sbXML, KEY_GITHUB_COUNT, stats.getGithubCount( ) );
         XmlUtil.addElement( sbXML, KEY_GITHUB_OK, stats.getGithubOK( ) );
         XmlUtil.addElement( sbXML, KEY_JIRA_OK, stats.getJiraOK( ) );
         XmlUtil.addElement( sbXML, KEY_README_OK, stats.getReadmeOK( ) );
         XmlUtil.endElement( sbXML, KEY_STATS );
 
         return sbXML.toString( );
     }
 
 }