import java.util.List;

public class HealthcareServiceImpl implements HealthcareService { private HealthcareDAOImpl dao = new HealthcareDAOImpl(); private Validator validator = new Validator();

@Override
public void searchAvailableDoctors(String specialization) throws HealthcareException {
    List<Doctor> list = dao.searchAvailableDoctors(specialization);
    if (list.isEmpty()) {
        throw new HealthcareException("Service NO_RECORDS_FOUND");
    }
    list.forEach(d -> System.out.print("Doctor id: " + d.getDoctorId() +
            ", Doctor name: " + d.getDoctorName() +
            ", Specialization: " + d.getSpecialization() +
            ", Available date: " + d.getAvailableDate() +
            ", Available Time: " + d.getAvailableTime() + "\n"));
}

@Override
public void viewAvailableDoctors() {
    List<Doctor> list = dao.viewAvailableDoctors();
    list.forEach(d -> System.out.print("Doctor id: " + d.getDoctorId() +
            ", Doctor name: " + d.getDoctorName() +
            ", Specialization: " + d.getSpecialization() +
            ", Available date: " + d.getAvailableDate() +
            ", Available Time: " + d.getAvailableTime() + "\n"));
}

@Override
public Appointment bookAppointment(Patient p, int doctorId) throws HealthcareException {
    Appointment appointment = new Appointment();
    for (Doctor d : dao.viewAvailableDoctors()) {
        if (d.getDoctorId() == doctorId) {
            p.setAppointmentDate(d.getAvailableDate());
            p.setAppointmentTime(d.getAvailableTime());
            try {
                validator.validate(p);
            } catch (HealthcareException e) {
                throw new HealthcareException("Service, INVALID_DOCTOR_ID");
            }
            appointment.setPatientId(p.getPatientId());
            appointment.setAppointmentTime(d.getAvailableTime());
            appointment.setAppointmentDate(d.getAvailableDate());
            appointment.setDoctorId(d.getDoctorId());
            appointment.setStatus(Status.CONFIRMED);
            return dao.bookAppointment(appointment);
        }
    }
    throw new HealthcareException("Service, INVALID_DOCTOR_ID");
}

}