package enseirb.myinpulse.service.database;

import enseirb.myinpulse.model.Annotation;
import enseirb.myinpulse.repository.AnnotationRepository;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Service;
import org.springframework.web.server.ResponseStatusException;

import java.util.Optional;

@Service
public class AnnotationService {

    protected static final Logger logger = LogManager.getLogger();

    private final AnnotationRepository annotationRepository;

    @Autowired
    AnnotationService(AnnotationRepository annotationRepository) {
        this.annotationRepository = annotationRepository;
    }

    public Iterable<Annotation> getAllAnnotations() {
        return annotationRepository.findAll();
    }

    public Annotation getAnnotationById(Long id) {
        Optional<Annotation> annotation = annotationRepository.findById(id);
        if (annotation.isEmpty()) {
            logger.error("getAnnotationById : No annotation found with id {}", id);
            throw new ResponseStatusException(
                    HttpStatus.NOT_FOUND, "Cette annotation n'existe pas");
        }
        return annotation.get();
    }

    public Annotation addNewAnnotation(Annotation annotation) {
        return this.annotationRepository.save(annotation);
    }

    public void deleteAnnotationById(Long id) {
        this.annotationRepository.deleteById(id);
    }

    public Annotation updateAnnotation(Long id, String comment) {
        Optional<Annotation> annotation = annotationRepository.findById(id);
        if (annotation.isEmpty()) {
            logger.error("updateAnnotation : No annotation found with id {}", id);
            throw new ResponseStatusException(
                    HttpStatus.NOT_FOUND, "Cette annotation n'existe pas");
        }
        if (comment != null) {
            annotation.get().setComment(comment);
        }
        return this.annotationRepository.save(annotation.get());
    }
}