package de.superx.bianalysis.repository;

import java.util.List;
import java.util.Optional;

import org.springframework.data.jdbc.repository.query.Query;
import org.springframework.data.repository.CrudRepository;
import org.springframework.data.repository.RepositoryDefinition;
import org.springframework.data.repository.query.Param;

import de.superx.bianalysis.FaultyMetadataException;
import de.superx.bianalysis.metadata.Identifier;
import de.superx.bianalysis.repository.dto.DimensionDto;
import de.superx.jdbc.repository.BiaAdminCrudRepository;

@RepositoryDefinition(domainClass = DimensionDto.class, idClass = Identifier.class)
public interface DimensionRepository extends BiaAdminCrudRepository<DimensionDto> {

    List<DimensionDto> findByFactTableId(Identifier factTableId);
    
    Optional<DimensionDto> findById(Identifier id);

    @Override
    List<DimensionDto> findAll();
    
    @Query(
         " SELECT d.id"
       + " FROM metadata.dimension d"
       + " LEFT JOIN metadata.dimension_attribute da"
       + "   ON da.dimension_id = d.id"
       + " WHERE da.id is null"
       + "   AND d.conformed = :confDim"
       + "   AND d.facttable_id = :factId"
        )
    List<Identifier> getRolePlayingIds(@Param("confDim") String confDim, @Param("factId") String factId);

    @Query(
         "SELECT dimension_id "
       + "FROM metadata.dimension_attribute da "
       + "WHERE id = :attrId"
        )
    Identifier findDimensionIdForAttribute(@Param("attrId") String attrId);

    @Query(
         "SELECT conformed"
       + "  FROM metadata.dimension"
   	   + " WHERE facttable_id = :factId"
   	   + "   AND conformed IS NOT NULL"
        )
    List<Identifier> getUsedConformedDimensionsByFactTable(@Param("factId") String factId);

    default DimensionDto findByIdOrThrow(Identifier id) {
        return findById(id)
                .orElseThrow(() -> new FaultyMetadataException(id));
    }
}