public void emailVerification(String token, String email) {
    Account account = accountRepository.findByEmail(email);
    if (account.emailVerificationStatus()== AccountEmailVerificationStatus.VERIFIED) {
        throw new IllegalArgumentException("Already Verified");
    }
    if(token.equals(account.emailVerificationToken())) {
        account.verifyEmail();
    }else{
        throw new IllegalArgumentException("Invalid Token");
    }
}

public record Account (Long accountId, String email, String password, String emailVerificationToken , AccountEmailVerificationStatus emailVerificationStatus, AccountActiveStatus activeStatus) {

    public Account(String email, String password) {
        this(null,
                email,
                password,
                generateEmailVerificationToken(),
                AccountEmailVerificationStatus.NON_VERIFIED, AccountActiveStatus.ACTIVE);
    }

    private static String generateEmailVerificationToken() {
        return UUID.randomUUID().toString();
    }

    public boolean verifyEmail(String token) {
        return token.equals(emailVerificationToken);
    }

}

public AccountResponse emailVerification(String token, String email) {
        Account account = accountRepository.findByEmail(email);
        if (account.emailVerificationStatus()== AccountEmailVerificationStatus.VERIFIED) {
            throw new IllegalArgumentException("Already Verified");
        }
        if(token.equals(account.emailVerificationToken())) {
            Account verified = account.verifyEmail();
            accountRepository.update(verified);
            return new AccountResponse(verified.email(), verified.emailVerificationStatus(), verified.activeStatus());
        }else{
            throw new IllegalArgumentException("Invalid Token");
        }
    }

public Account verifyEmail() {
    return new Account(
            accountId,
            email,
            password,
            emailVerificationToken,
            AccountEmailVerificationStatus.VERIFIED,
            activeStatus
    );
}

public record CitizenResponse(
        String nickname,
        String phoneNumber,
        AddressResponse address,
        HobbyResponse hobby
) {
    public CitizenResponse(Citizen saved) {
        this(saved.nickname(), saved.phoneNumber(), new AddressResponse(saved.address()), new HobbyResponse(saved.hobby()));
    }
}

public class CitizenResponseFactory {
    public static CitizenResponse from(Citizen saved) {
        return new CitizenResponse(
            saved.nickname(),
            saved.phoneNumber(),
            new AddressResponse(saved.address()),
            new HobbyResponse(saved.hobby())
        );
    }
}