package com.example.hangry.services;

import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;
import com.example.hangry.*;

@Service
public class UserService {

    private final UserRepository userRepository;
    private final PasswordEncoder passwordEncoder;

    // Dependency Injection (Spring kümmert sich darum)
    public UserService(UserRepository userRepository) {
        this.userRepository = userRepository;
        this.passwordEncoder = new BCryptPasswordEncoder(); // Initialisierung von BCrypt
    }

    // Neuen Benutzer erstellen (mit Passwort-Hashing)
    public User createUser(User user) {
        user.setPassword(passwordEncoder.encode(user.getPassword())); // Passwort hashen
        return userRepository.save(user);
    }

    // Benutzer anhand des Benutzernamens suchen
    public User getUserByUsername(String username) {
        return userRepository.findByUsername(username);
    }

    // Benutzer anhand der E-Mail suchen
    public User getUserByEmail(String email) {
        return userRepository.findByEmail(email);
    }

    // Passwort überprüfen
    public boolean checkPassword(String rawPassword, String hashedPassword) {
        return passwordEncoder.matches(rawPassword, hashedPassword);
    }
}