mealprep/backend/src/main/java/com/recipeapp/auth/CustomUserDetailsService.java

package com.recipeapp.auth;

import com.recipeapp.auth.entity.UserAccount;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.User;
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 java.util.List;

@Service
public class CustomUserDetailsService implements UserDetailsService {

    private final UserAccountRepository userAccountRepository;

    public CustomUserDetailsService(UserAccountRepository userAccountRepository) {
        this.userAccountRepository = userAccountRepository;
    }

    @Override
    public UserDetails loadUserByUsername(String email) throws UsernameNotFoundException {
        UserAccount account = userAccountRepository.findByEmailIgnoreCase(email)
                .orElseThrow(() -> new UsernameNotFoundException("User not found: " + email));

        if (!account.isActive()) {
            throw new UsernameNotFoundException("Account is deactivated: " + email);
        }

        var authorities = List.of(new SimpleGrantedAuthority("ROLE_" + account.getSystemRole().toUpperCase()));

        return new User(account.getEmail(), account.getPasswordHash(), authorities);
    }
}