sodalive-backend-spring-boot/src/main/kotlin/kr/co/vividnext/sodalive/alarm/AlarmService.kt

package kr.co.vividnext.sodalive.alarm

import kr.co.vividnext.sodalive.can.payment.CanPaymentService
import kr.co.vividnext.sodalive.can.use.CanUsage
import kr.co.vividnext.sodalive.common.SodaException
import org.springframework.stereotype.Service
import org.springframework.transaction.annotation.Transactional

@Service
class AlarmService(
    private val canPaymentService: CanPaymentService,
    private val repository: AlarmRepository
) {
    fun getSlotQuantityAndPrice(memberId: Long): GetSlotQuantityAndPriceResponse {
        val slotQuantity = repository.getSlotQuantity(memberId)

        return GetSlotQuantityAndPriceResponse(
            slotQuantity = slotQuantity,
            price = when (slotQuantity) {
                0 -> {
                    30
                }

                1 -> {
                    60
                }

                2 -> {
                    100
                }

                else -> {
                    0
                }
            }
        )
    }

    @Transactional
    fun buyExtraSlot(memberId: Long, container: String) {
        val slotQuantity = repository.getSlotQuantity(memberId)
        val needCan = when (slotQuantity) {
            0 -> {
                30
            }

            1 -> {
                60
            }

            2 -> {
                100
            }

            else -> {
                throw SodaException("이미 구매하셨습니다")
            }
        }

        canPaymentService.spendCan(
            memberId = memberId,
            needCan = needCan,
            canUsage = CanUsage.ALARM_SLOT,
            container = container
        )
    }
}