package net.javaguides.springboot.serviceimpl;



import org.springframework.stereotype.Service;
import net.javaguides.springboot.entity.Student;
import net.javaguides.springboot.repository.StudentRepository;
import net.javaguides.springboot.service.StudentService;

import java.util.List;
import java.util.NoSuchElementException;

@Service
public class StudentServiceImpl implements StudentService {

    private final StudentRepository studentRepository;

    public StudentServiceImpl(StudentRepository studentRepository) {
        this.studentRepository = studentRepository;
    }

    @Override
    public List<Student> getAllStudents() {
        return studentRepository.findAll();
    }

    @Override
    public Student saveStudent(Student student) {
        return studentRepository.save(student);
    }

    @Override
    public Student getStudentById(Long id) {
        return studentRepository.findById(id)
                .orElseThrow(() -> new NoSuchElementException("Student not found with id " + id));
    }

    @Override
    public Student updateStudent(Student student) {
        return studentRepository.save(student);
    }

    @Override
    public void deleteStudentById(Long id) {
        studentRepository.deleteById(id);
    }

	@Override
	public Student updateStudent1(Student student) {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public Student saveStudent1(Student student) {
		// TODO Auto-generated method stub
		return null;
	}
}