package fr.tiogars.domaintemplate.domains.auth.services;
   
   import org.springframework.security.core.authority.SimpleGrantedAuthority;
   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 fr.tiogars.domaintemplate.domains.auth.user.repositories.UserRepository;
  
  /** Loads persisted users for Spring Security authentication. */
  @Service
  public class TemplateUserDetailsService implements UserDetailsService {
  
      private final UserRepository repository;
  
      TemplateUserDetailsService(UserRepository repository) {
          this.repository = repository;
      }
  
      @Override
      public UserDetails loadUserByUsername(String username) {
          return repository.findByUsername(username)
                  .map(user -> org.springframework.security.core.userdetails.User.builder()
                          .username(user.getUsername())
                          .password(user.getPasswordHash())
                          .disabled(!user.isEnabled())
                          .authorities(user.getRoles().stream()
                                  .map(role -> new SimpleGrantedAuthority("ROLE_" + role.getCode()))
                                  .toList())
                          .build())
                  .orElseThrow(() -> new UsernameNotFoundException("User not found: " + username));
      }
  }