package org.mm.MBlog.security.services;

import org.mm.MBlog.security.models.User;
import org.mm.MBlog.security.repository.UserRepository;
import org.springframework.beans.factory.annotation.Autowired;
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;


@Service
public class UserDetailsServiceImpl implements UserDetailsService {
    @Autowired
    UserRepository userRepository;

    // @Transactional means that if we add something to a DB and its successfull it will be saved, if not successfull it will be roled back
    @Override
    @Transactional
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        User user = userRepository.findByUsername(username).orElseThrow(() -> new UsernameNotFoundException("User Not Found with username: " + username));
        return UserDetailsImpl.build(user);
    }

}