package fr.plil.sio.examen.services;

import fr.plil.sio.examen.api.Owner;
import fr.plil.sio.examen.api.Comment;
import fr.plil.sio.examen.api.Animal;
import fr.plil.sio.examen.repositories.AnimalRepository;
import fr.plil.sio.examen.repositories.CommentRepository;
import fr.plil.sio.examen.repositories.OwnerRepository;
import java.util.ArrayList;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class OwnerServiceImpl implements OwnerService {

    @Autowired
    private OwnerRepository ownerRepository;
    
    @Autowired
    private CommentRepository commentRepository;
    
    @Autowired
    private AnimalRepository animalRepository;

    @Override
    public void delete(Owner owner) {
        if(owner==null){
           throw new IllegalArgumentException("owner must be not null");
        }
        if(ownerRepository.findByName(owner.getName()).size()==0){
           throw new IllegalArgumentException("owner not in database");
        }
        
        //Suppression de ses commentaires 
        
        //Création d'une liste pour stocker les commentaires
        List<Comment> listComments = commentRepository.findByReporter(owner);
        
        //Boucle pour la suppression de ses commentaires
        for(Comment comment : listComments){
            commentRepository.delete(comment);
        }
       
        //Attention, les animaux ne peuvent pas avoir un owner null
        List<Animal> listAnimals = animalRepository.findByOwner(owner);
        for(Animal animal : listAnimals){
            //On set le nouvel owner a un owner de base (du constructeur par défaut)
            animal.setOwner(new Owner());
        }
        
        //Suppression de l'owner
        ownerRepository.delete(owner);
        
    }

    @Override
    public Owner create(String name) {
        if(name == null) {
            throw new IllegalArgumentException("name must be not null");
        }
        Owner owner = new Owner();
        owner.setName(name);
        ownerRepository.save(owner);
        return owner;
    }
    
}