package fr.paris.lutece.plugins.releaser.util.pom;

 import java.io.FileInputStream;

 import java.io.FileNotFoundException;

 import java.io.FileOutputStream;

 import java.io.IOException;

 import java.io.InputStream;

 import java.io.OutputStream;

 import java.util.Iterator;

 import javax.xml.bind.JAXBContext;

 import javax.xml.bind.JAXBElement;

 import javax.xml.bind.JAXBException;

 import javax.xml.bind.Marshaller;

 import javax.xml.bind.Unmarshaller;

 import fr.paris.lutece.plugins.releaser.business.Component;

 import fr.paris.lutece.plugins.releaser.business.Site;

 import fr.paris.lutece.plugins.releaser.business.jaxb.maven.Model;

 import fr.paris.lutece.plugins.releaser.business.jaxb.maven.ObjectFactory;

 import fr.paris.lutece.plugins.releaser.util.ReleaserUtils;

 import fr.paris.lutece.portal.service.util.AppLogService;

 public class PomUpdater

 {

     public static String updateSiteBeforeTag( Site site ) throws JAXBException

     {

         InputStream inputStream = null;

         OutputStream outputStream = null;

         String strSiteLocalPomPath = ReleaserUtils.getLocalSitePomPath( site.getArtifactId( ) );

         try

         {

             inputStream = new FileInputStream( strSiteLocalPomPath );

             Model model = unmarshal( Model.class, inputStream );

             if(!site.isTheme( ))

             {

                 model.setVersion( site.getNextReleaseVersion( ) );

             }

             model.setDescription( site.getTagInformation( ) );

             fr.paris.lutece.plugins.releaser.business.jaxb.maven.Model.Dependencies dependencies = model.getDependencies( );

             //update dependencies

             if ( dependencies != null )

             {

                 for ( fr.paris.lutece.plugins.releaser.business.jaxb.maven.Dependency jaxDependency : dependencies.getDependency( ) )

                 {

                     for ( Component component : site.getComponents( ) )

                     {

                         if ( jaxDependency.getArtifactId( ).equals( component.getArtifactId( ) ) )

                         {

                             jaxDependency.setVersion( component.getTargetVersion( ) );

                         }

                     }

                 }

             }

             outputStream = new FileOutputStream( strSiteLocalPomPath );

             save( model, outputStream );

         }

         catch( FileNotFoundException e )

         {

             AppLogService.error( e );

         }

         finally

         {

             if ( outputStream != null )

             {

                 try

                 {

                     outputStream.close( );

                 }

                 catch( IOException ex )

                 {

                     // nothing...

                     AppLogService.error( ex );

                 }

             }

         }

         return "";

     }

     public static String updateSiteAfterTag( Site site ) throws JAXBException

     {

         InputStream inputStream = null;

         OutputStream outputStream = null;

         String strSiteLocalPomPath = ReleaserUtils.getLocalSitePomPath( site.getArtifactId( ) );

         try

         {

             inputStream = new FileInputStream( strSiteLocalPomPath );

             Model model = unmarshal( Model.class, inputStream );

             model.setVersion( site.getNextSnapshotVersion( ) );

             model.setDescription( "");

             fr.paris.lutece.plugins.releaser.business.jaxb.maven.Model.Dependencies dependencies = model.getDependencies( );

             //update dependencies

             if ( dependencies != null )

             {

                 for ( fr.paris.lutece.plugins.releaser.business.jaxb.maven.Dependency jaxDependency : dependencies.getDependency( ) )

                 {

                     for ( Component component : site.getComponents( ) )

                     {

                         if ( jaxDependency.getArtifactId( ).equals( component.getArtifactId( ) ) )

                         {

                             if(component.isProject( ) && component.isSnapshotVersion( ))

                             {

                                jaxDependency.setVersion( component.getNextSnapshotVersion( ) );

                              }

                         }

                     }

                 }

             }

             outputStream = new FileOutputStream( strSiteLocalPomPath );

             save( model, outputStream );

         }

         catch( FileNotFoundException e )

         {

             AppLogService.error( e );

         }

         finally

         {

             if ( outputStream != null )

             {

                 try

                 {

                     outputStream.close( );

                 }

                 catch( IOException ex )

                 {

                     // nothing...

                     AppLogService.error( ex );

                 }

             }

         }

         return "";

     }

     public static void save( Model model, OutputStream outputStream ) throws JAXBException

     {

         String packageName = model.getClass( ).getPackage( ).getName( );

         ObjectFactory factory = new ObjectFactory( );

         JAXBElement<Model> element = factory.createProject( model );

         JAXBContext jc = JAXBContext.newInstance( packageName );

         Marshaller m = jc.createMarshaller( );

         m.setProperty( Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE );

         m.setProperty( Marshaller.JAXB_SCHEMA_LOCATION, "http://maven.apache.org/maven-v4_0_0.xsd" );

         m.marshal( element, outputStream );

     }

     public static <T> T unmarshal( Class<T> docClass, InputStream inputStream ) throws JAXBException

     {

         String packageName = docClass.getPackage( ).getName( );

         JAXBContext jc = JAXBContext.newInstance( packageName );

         Unmarshaller u = jc.createUnmarshaller( );

         JAXBElement<T> doc = (JAXBElement<T>) u.unmarshal( inputStream );

         return doc.getValue( );

     }

 }