package roomescape.member.business

import io.github.oshai.kotlinlogging.KotlinLogging
import org.springframework.stereotype.Service
import org.springframework.transaction.annotation.Transactional
import roomescape.member.implement.MemberFinder
import roomescape.member.implement.MemberWriter
import roomescape.member.infrastructure.persistence.MemberEntity
import roomescape.member.infrastructure.persistence.Role
import roomescape.member.web.*

private val log = KotlinLogging.logger {}

@Service
class MemberService(
    private val memberWriter: MemberWriter,
    private val memberFinder: MemberFinder,
) {
    @Transactional(readOnly = true)
    fun findMembers(): MemberRetrieveListResponse {
        log.debug { "[MemberService.findMembers] 시작" }

        return memberFinder.findAll()
            .toRetrieveListResponse()
            .also { log.info { "[MemberService.findMembers] 완료. ${it.members.size}명 반환" } }
    }

    @Transactional(readOnly = true)
    fun findById(memberId: Long): MemberEntity {
        log.debug { "[MemberService.findById] 시작" }

        return memberFinder.findById(memberId)
            .also { log.info { "[MemberService.findById] 완료. memberId=${memberId}, email=${it.email}" } }
    }

    @Transactional
    fun createMember(request: SignupRequest): SignupResponse {
        log.debug { "[MemberService.createMember] 시작" }

        return memberWriter.create(request.name, request.email, request.password, Role.MEMBER)
            .toSignupResponse()
            .also { log.info { "[MemberService.create] 완료: email=${request.email} memberId=${it.id}" } }
    }
}