package com.example.springsecuritystudy.config;

import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.example.springsecuritystudy.common.UserNotFoundException;
import com.example.springsecuritystudy.user.UserRepository;

import lombok.RequiredArgsConstructor;

@Service
@RequiredArgsConstructor
@Transactional(readOnly = true)
public class UserDetailServiceImpl implements UserDetailsService {

	private final UserRepository userRepository;

	@Override
	public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
		return userRepository.findByUsername(username)
				.orElseThrow(UserNotFoundException::new);
	}
}