/*
    * Copyright (c) 2002-2017, Mairie de 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
   */
  package fr.paris.lutece.plugins.deployment.service;
  
  import fr.paris.lutece.plugins.deployment.business.Environment;
  import fr.paris.lutece.plugins.deployment.util.ConstanteUtils;
  import fr.paris.lutece.plugins.deployment.util.DeploymentUtils;
  import fr.paris.lutece.portal.service.i18n.I18nService;
  import fr.paris.lutece.portal.service.spring.SpringContextService;
  import fr.paris.lutece.portal.service.util.AppLogService;
  import fr.paris.lutece.portal.service.util.AppPropertiesService;
  import fr.paris.lutece.util.ReferenceList;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Locale;
  
  public class EnvironmentService implements IEnvironmentService
  {
      // private static IEnvironmentService _singleton;
      private static HashMap<String, Environment> _hashEnvironements;
  
      private EnvironmentService( )
      {
      }
  
      private void initHashEnvironments( )
      {
          List<Environment> listEnvironment = SpringContextService.getBeansOfType( Environment.class );
          _hashEnvironements = new HashMap<String, Environment>( );
  
          if ( listEnvironment != null )
          {
              for ( Environment environment : listEnvironment )
              {
                  _hashEnvironements.put( environment.getCode( ), environment );
              }
          }
      }
  
      /*
       * (non-Javadoc)
       * 
       * @see fr.paris.lutece.plugins.deployment.service.IEnvironmentService#getEnvironment (java.lang.String)
       */
      public Environment getEnvironment( String strCode, Locale locale )
      {
          if ( _hashEnvironements == null )
          {
              initHashEnvironments( );
          }
  
          Environment environment = _hashEnvironements.get( strCode );
          if ( environment != null )
          {
              environment.setName( I18nService.getLocalizedString( environment.getI18nKeyName( ), locale ) );
          }
          return environment;
      }
  
      public ReferenceList getEnvironmentRefList( Locale locale )
      {
  
          ReferenceList refListEnv = new ReferenceList( );
          if ( _hashEnvironements == null )
          {
             initHashEnvironments( );
         }
 
         for ( Environment environment : _hashEnvironements.values( ) )
         {
             refListEnv.addItem( environment.getCode( ), I18nService.getLocalizedString( environment.getI18nKeyName( ), locale ) );
         }
         return refListEnv;
     }
 
     /*
      * (non-Javadoc)
      * 
      * @seefr.paris.lutece.plugins.deployment.service.IEnvironmentService# getListEnvironments(java.lang.String)
      */
     public List<Environment> getListEnvironments( String strCodeApplication, Locale locale )
     {
         String strPlateformEnvironmentBaseUrl = AppPropertiesService.getProperty( ConstanteUtils.PROPERTY_ENVIRONMENT_PLATEFORM_BASE_URL );
         List<Environment> listEnvironments = new ArrayList<Environment>( );
         String strJSONApllicationAreas = null;
         String strJSONEnvironment = null;
         List<String> listAreas;
         List<String> listStrEnvironment = null;
         String strCodeEnvironment;
 
         String strUrlApllication = strPlateformEnvironmentBaseUrl + ConstanteUtils.CONSTANTE_SEPARATOR_SLASH
                 + DeploymentUtils.getPlateformUrlApplication( strCodeApplication );
 
         try
         {
             strJSONApllicationAreas = DeploymentUtils.callPlateformEnvironmentWs( strUrlApllication );
         }
         catch( Exception e )
         {
             AppLogService.error( e );
         }
 
         listAreas = getAreas( strJSONApllicationAreas );
 
         if ( ( listAreas != null ) && ( listAreas.size( ) > 0 ) )
         {
             for ( String strArea : listAreas )
             {
                 strJSONEnvironment = null;
 
                 try
                 {
                     strJSONEnvironment = DeploymentUtils.callPlateformEnvironmentWs( strPlateformEnvironmentBaseUrl + ConstanteUtils.CONSTANTE_SEPARATOR_SLASH
                             + DeploymentUtils.getPlateformUrlEnvironments( strCodeApplication, strArea ) );
                 }
                 catch( Exception e )
                 {
                     AppLogService.error( e );
                 }
 
                 if ( strJSONEnvironment != null )
                 {
                     listStrEnvironment = getEnvironments( strJSONEnvironment );
 
                     for ( String strEnv : listStrEnvironment )
                     {
                         strCodeEnvironment = strArea.toLowerCase( ) + ConstanteUtils.CONSTANTE_SEPARATOR_POINT + strEnv.toLowerCase( );
 
                         Environment environment = getEnvironment( strCodeEnvironment, locale );
                         if ( environment != null )
                         {
                             listEnvironments.add( environment );
                         }
                     }
                 }
             }
         }
 
         return listEnvironments;
     }
 
     private List<String> getEnvironments( String strJsonFlux )
     {
         String strWebserviceEnvJsonObjectName = AppPropertiesService.getProperty( ConstanteUtils.PROPERTY_WEBSERVICE_ENVIRONMENTS_JSON_OBJECT_NAME );
         String strWebserviceEnvJsonDictionaryName = AppPropertiesService.getProperty( ConstanteUtils.PROPERTY_WEBSERVICE_EVIRONMENTS_JSON_DICTIONARY_NAME );
 
         List<String> listEnvs = null;
 
         if ( strJsonFlux != null )
         {
             listEnvs = DeploymentUtils.getJSONDictionary( strWebserviceEnvJsonObjectName, strWebserviceEnvJsonDictionaryName, strJsonFlux );
         }
 
         return listEnvs;
     }
 
     private List<String> getAreas( String strJsonFlux )
     {
         String strWebserviceAreasJsonObjectName = AppPropertiesService.getProperty( ConstanteUtils.PROPERTY_WEBSERVICE_AREAS_JSON_OBJECT_NAME );
         String strWebserviceAreasJsonDictionaryName = AppPropertiesService.getProperty( ConstanteUtils.PROPERTY_WEBSERVICE_AREAS_JSON_DICTIONARY_NAME );
 
         List<String> listAreas = null;
 
         if ( strJsonFlux != null )
         {
             listAreas = DeploymentUtils.getJSONDictionary( strWebserviceAreasJsonObjectName, strWebserviceAreasJsonDictionaryName, strJsonFlux );
         }
 
         return listAreas;
     }
 }