package enseirb.myinpulse.service.database;

import enseirb.myinpulse.model.Appointment;
import enseirb.myinpulse.repository.AppointmentRepository;

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.time.LocalDate;
import java.time.LocalTime;
import java.util.Optional;

@Service
public class AppointmentService {

    private static final Logger logger = LogManager.getLogger(AppointmentService.class);

    private AppointmentRepository appointmentRepository;

    @Autowired
    AppointmentService(AppointmentRepository appointmentRepository) {
        this.appointmentRepository = appointmentRepository;
    }

    public Iterable<Appointment> getallAppointments() {
        return this.appointmentRepository.findAll();
    }

    public Appointment getAppointmentById(Long id) {
        Optional<Appointment> appointment = this.appointmentRepository.findById(id);
        if (appointment.isEmpty()) {
            logger.error("getAppointmentById : No appointment found with id {}", id);
            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Ce rendez vous n'existe pas");
        }
        return appointment.get();
    }

    public Appointment addNewAppointment(Appointment appointment) {
        return this.appointmentRepository.save(appointment);
    }

    public void deleteAppointmentById(Long id) {
        this.appointmentRepository.deleteById(id);
    }

    public Appointment updateAppointment(
            Long id,
            LocalDate appointmentDate,
            LocalTime appointmentTime,
            LocalTime appointmentDuration,
            String appointmentPlace,
            String appointmentSubject) {
        Optional<Appointment> appointment = this.appointmentRepository.findById(id);
        if (appointment.isEmpty()) {
            logger.error("updateAppointment : No appointment found with id {}", id);
            throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Ce rendez vous n'existe pas");
        }
        if (appointmentDate != null) {
            appointment.get().setAppointmentDate(appointmentDate);
        }
        if (appointmentTime != null) {
            appointment.get().setAppointmentTime(appointmentTime);
        }
        if (appointmentDuration != null) {
            appointment.get().setAppointmentDuration(appointmentDuration);
        }
        if (appointmentPlace != null) {
            appointment.get().setAppointmentPlace(appointmentPlace);
        }
        if (appointmentSubject != null) {
            appointment.get().setAppointmentSubject(appointmentSubject);
        }
        return this.appointmentRepository.save(appointment.get());
    }
}