package roomescape.user.business

import io.github.oshai.kotlinlogging.KLogger
import io.github.oshai.kotlinlogging.KotlinLogging
import org.springframework.stereotype.Component
import roomescape.user.exception.UserErrorCode
import roomescape.user.exception.UserException
import roomescape.user.infrastructure.persistence.UserRepository

private val log: KLogger = KotlinLogging.logger {}

@Component
class UserValidator(
    private val userRepository: UserRepository,
) {

    fun validateCanSignup(email: String, phone: String) {
        log.info { "[UserValidator.validateCanSignup] 회원가입 가능 여부 검증 시작: email:$email / phone:$phone" }

        if (userRepository.existsByEmail(email)) {
            log.info { "[UserValidator.validateCanSignup] 중복된 이메일 입력으로 인한 실패: email:$email" }
            throw UserException(UserErrorCode.EMAIL_ALREADY_EXISTS)
        }
        if (userRepository.existsByPhone(phone)) {
            log.info { "[UserValidator.validateCanSignup] 중복된 휴대폰 번호 입력으로 인한 실패: phone:$phone" }
            throw UserException(UserErrorCode.PHONE_ALREADY_EXISTS)
        }
    }
}