package org.apache.archiva.admin.repository;
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import org.apache.archiva.admin.model.RepositoryAdminException;
  import org.apache.archiva.admin.model.RepositoryCommonValidator;
  import org.apache.archiva.admin.model.beans.AbstractRepository;
  import org.apache.archiva.admin.model.beans.ManagedRepository;
  import org.apache.archiva.admin.model.managed.ManagedRepositoryAdmin;
  import org.apache.archiva.configuration.ArchivaConfiguration;
  import org.apache.archiva.configuration.Configuration;
  import org.apache.archiva.components.registry.Registry;
  import org.apache.archiva.components.scheduler.CronExpressionValidator;
  import org.apache.commons.lang3.StringUtils;
  import org.apache.commons.validator.GenericValidator;
  import org.springframework.stereotype.Service;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  
  /**
   * apply basic repository validation : id and name.
   * Check if already exists.
   *
   * @author Olivier Lamy
   * @since 1.4-M1
   */
  @Service
  public class DefaultRepositoryCommonValidator
      implements RepositoryCommonValidator
  {
  
      @Inject
      private ArchivaConfiguration archivaConfiguration;
  
      @Inject
      @Named( value = "commons-configuration" )
      private org.apache.archiva.components.registry.Registry registry;
  
      /**
       * @param abstractRepository
       * @param update             in update mode if yes already exists won't be check
       * @throws RepositoryAdminException
       */
      @Override
      public void basicValidation( AbstractRepository abstractRepository, boolean update )
          throws RepositoryAdminException
      {
          Configuration config = archivaConfiguration.getConfiguration();
  
          String repoId = abstractRepository.getId();
  
          if ( !update )
          {
  
              if ( config.getManagedRepositoriesAsMap().containsKey( repoId ) )
              {
                  throw new RepositoryAdminException( "Unable to add new repository with id [" + repoId
                                                          + "], that id already exists as a managed repository." );
              }
              else if ( config.getRepositoryGroupsAsMap().containsKey( repoId ) )
              {
                  throw new RepositoryAdminException( "Unable to add new repository with id [" + repoId
                                                          + "], that id already exists as a repository group." );
              }
              else if ( config.getRemoteRepositoriesAsMap().containsKey( repoId ) )
              {
                  throw new RepositoryAdminException( "Unable to add new repository with id [" + repoId
                                                          + "], that id already exists as a remote repository." );
              }
          }
  
          if ( StringUtils.isBlank( repoId ) )
          {
              throw new RepositoryAdminException( "Repository ID cannot be empty." );
          }
  
          if ( !GenericValidator.matchRegexp( repoId, REPOSITORY_ID_VALID_EXPRESSION ) )
          {
              throw new RepositoryAdminException(
                  "Invalid repository ID. Identifier must only contain alphanumeric characters, underscores(_), dots(.), and dashes(-)." );
          }
  
         String name = abstractRepository.getName();
 
         if ( StringUtils.isBlank( name ) )
         {
             throw new RepositoryAdminException( "repository name cannot be empty" );
         }
 
         if ( !GenericValidator.matchRegexp( name, REPOSITORY_NAME_VALID_EXPRESSION ) )
         {
             throw new RepositoryAdminException(
                 "Invalid repository name. Repository Name must only contain alphanumeric characters, white-spaces(' '), "
                     + "forward-slashes(/), open-parenthesis('('), close-parenthesis(')'),  underscores(_), dots(.), and dashes(-)." );
         }
 
     }
 
     /**
      * validate cronExpression and location format
      *
      * @param managedRepository
      * @since 1.4-M2
      */
     @Override
     public void validateManagedRepository( ManagedRepository managedRepository )
         throws RepositoryAdminException
     {
         String cronExpression = managedRepository.getCronExpression();
         // FIXME : olamy can be empty to avoid scheduled scan ?
         if ( StringUtils.isNotBlank( cronExpression ) )
         {
             CronExpressionValidator validator = new CronExpressionValidator();
 
             if ( !validator.validate( cronExpression ) )
             {
                 throw new RepositoryAdminException( "Invalid cron expression.", "cronExpression" );
             }
         }
         else
         {
             throw new RepositoryAdminException( "Cron expression cannot be empty." );
         }
 
         String repoLocation = removeExpressions( managedRepository.getLocation() );
 
         if ( !GenericValidator.matchRegexp( repoLocation,
                                             ManagedRepositoryAdmin.REPOSITORY_LOCATION_VALID_EXPRESSION ) )
         {
             throw new RepositoryAdminException(
                 "Invalid repository location. Directory must only contain alphanumeric characters, equals(=), question-marks(?), "
                     + "exclamation-points(!), ampersands(&), forward-slashes(/), back-slashes(\\), underscores(_), dots(.), colons(:), tildes(~), and dashes(-).",
                 "location" );
         }
     }
 
     /**
      * replace some interpolations ${appserver.base} with correct values
      *
      * @param directory
      * @return
      */
     @Override
     public String removeExpressions( String directory )
     {
         String value = StringUtils.replace( directory, "${appserver.base}",
                                             getRegistry().getString( "appserver.base", "${appserver.base}" ) );
         value = StringUtils.replace( value, "${appserver.home}",
                                      getRegistry().getString( "appserver.home", "${appserver.home}" ) );
         return value;
     }
 
     public ArchivaConfiguration getArchivaConfiguration()
     {
         return archivaConfiguration;
     }
 
     public void setArchivaConfiguration( ArchivaConfiguration archivaConfiguration )
     {
         this.archivaConfiguration = archivaConfiguration;
     }
 
     public Registry getRegistry()
     {
         return registry;
     }
 
     public void setRegistry( org.apache.archiva.components.registry.Registry registry )
     {
         this.registry = registry;
     }
 }