package roomescape.reservation.business

import io.github.oshai.kotlinlogging.KotlinLogging
import org.springframework.stereotype.Service
import org.springframework.transaction.annotation.Transactional
import roomescape.payment.business.PaymentService
import roomescape.payment.infrastructure.client.PaymentApproveResponse
import roomescape.payment.web.PaymentCancelRequest
import roomescape.payment.web.PaymentCancelResponse
import roomescape.reservation.infrastructure.persistence.ReservationEntity
import roomescape.reservation.web.ReservationCreateResponse
import roomescape.reservation.web.ReservationCreateWithPaymentRequest
import roomescape.reservation.web.toCreateResponse
import java.time.OffsetDateTime

private val log = KotlinLogging.logger {}

@Service
@Transactional
class ReservationWithPaymentService(
    private val reservationWriteService: ReservationWriteService,
    private val paymentService: PaymentService,
) {
    fun createReservationAndPayment(
        request: ReservationCreateWithPaymentRequest,
        approvedPaymentInfo: PaymentApproveResponse,
        memberId: Long,
    ): ReservationCreateResponse {
        log.info { "[ReservationWithPaymentService.createReservationAndPayment] 시작: memberId=$memberId, paymentInfo=$approvedPaymentInfo" }

        val reservation: ReservationEntity = reservationWriteService.createReservationWithPayment(request, memberId)
            .also { paymentService.createPayment(approvedPaymentInfo, it) }

        return reservation.toCreateResponse()
            .also { log.info { "[ReservationWithPaymentService.createReservationAndPayment] 완료: reservationId=${reservation.id}, paymentId=${it.id}" } }
    }

    fun createCanceledPayment(
        canceledPaymentInfo: PaymentCancelResponse,
        approvedAt: OffsetDateTime,
        paymentKey: String,
    ) {
        paymentService.createCanceledPayment(canceledPaymentInfo, approvedAt, paymentKey)
    }

    fun deleteReservationAndPayment(
        reservationId: Long,
        memberId: Long,
    ): PaymentCancelRequest {
        log.info { "[ReservationWithPaymentService.deleteReservationAndPayment] 시작: reservationId=$reservationId" }
        val paymentCancelRequest = paymentService.createCanceledPayment(reservationId)

        reservationWriteService.deleteReservation(reservationId, memberId)
        log.info { "[ReservationWithPaymentService.deleteReservationAndPayment] 완료: reservationId=$reservationId" }
        return paymentCancelRequest
    }

    @Transactional(readOnly = true)
    fun isNotPaidReservation(reservationId: Long): Boolean {
        log.info { "[ReservationWithPaymentService.isNotPaidReservation] 시작: reservationId=$reservationId" }

        val notPaid: Boolean = !paymentService.existsByReservationId(reservationId)

        return notPaid.also {
            log.info { "[ReservationWithPaymentService.isNotPaidReservation] 완료: reservationId=$reservationId, isPaid=${notPaid}" }
        }
    }

    fun updateCanceledTime(
        paymentKey: String,
        canceledAt: OffsetDateTime,
    ) {
        paymentService.updateCanceledTime(paymentKey, canceledAt)
    }
}