package fr.plil.sio.examen.services;

  

  import fr.plil.sio.examen.api.Animal;

  import fr.plil.sio.examen.api.Comment;

  import fr.plil.sio.examen.api.Owner;

  import fr.plil.sio.examen.repositories.AnimalRepository;

  import fr.plil.sio.examen.repositories.CommentRepository;

  import org.springframework.beans.factory.annotation.Autowired;

  import org.springframework.stereotype.Service;

  import org.springframework.transaction.annotation.Transactional;

  

  @Service

  public class AnimalServiceImpl implements AnimalService {

  

      @Autowired

      private AnimalRepository animalRepository;

      

      @Autowired

      private CommentRepository commentRepository;

  

      @Override

      @Transactional

      public Animal create(String name, Owner owner) {

          if(name == null) {

              throw new IllegalArgumentException("name must be not null");

          }

          if(owner == null) {

              throw new IllegalArgumentException("owner must be not null");

          }

          Animal animal = new Animal();

          animal.setName(name);

          animal.setOwner(owner);

          animalRepository.save(animal);

          return animal;

      }

  

  

      @Override

      @Transactional    

      public void delete(Animal animal) {

          if(animal == null)

              throw new IllegalArgumentException("Animal must not be null");

          

          if(animal.getId() == null)

              throw new IllegalArgumentException("Animal doesn't exist");

          

          for(Comment c : animal.getComments())

              commentRepository.delete(c);

          

          animalRepository.delete(animal);

      }

      

  }