package roomescape.reservation.web

import io.swagger.v3.oas.annotations.Parameter
import jakarta.validation.Valid
import org.springframework.http.ResponseEntity
import org.springframework.web.bind.annotation.*
import roomescape.auth.web.support.MemberId
import roomescape.common.dto.response.CommonApiResponse
import roomescape.common.exception.RoomescapeException
import roomescape.payment.infrastructure.client.TossPaymentClient
import roomescape.payment.web.PaymentApprove
import roomescape.payment.web.PaymentCancel
import roomescape.reservation.business.ReservationService
import roomescape.reservation.business.ReservationWithPaymentService
import roomescape.reservation.docs.ReservationAPI
import java.net.URI
import java.time.LocalDate

@RestController
class ReservationController(
        private val reservationWithPaymentService: ReservationWithPaymentService,
        private val reservationService: ReservationService,
        private val paymentClient: TossPaymentClient
) : ReservationAPI {
    @GetMapping("/reservations")
    override fun getAllReservations(): ResponseEntity<CommonApiResponse<ReservationsResponse>> {
        val response: ReservationsResponse = reservationService.findAllReservations()

        return ResponseEntity.ok(CommonApiResponse(response))
    }

    @GetMapping("/reservations-mine")
    override fun getMemberReservations(
            @MemberId @Parameter(hidden = true) memberId: Long
    ): ResponseEntity<CommonApiResponse<MyReservationsResponse>> {
        val response: MyReservationsResponse = reservationService.findMemberReservations(memberId)

        return ResponseEntity.ok(CommonApiResponse(response))
    }

    @GetMapping("/reservations/search")
    override fun getReservationBySearching(
            @RequestParam(required = false) themeId: Long?,
            @RequestParam(required = false) memberId: Long?,
            @RequestParam(required = false) dateFrom: LocalDate?,
            @RequestParam(required = false) dateTo: LocalDate?
    ): ResponseEntity<CommonApiResponse<ReservationsResponse>> {
        val response: ReservationsResponse = reservationService.findFilteredReservations(themeId, memberId, dateFrom, dateTo)

        return ResponseEntity.ok(CommonApiResponse(response))
    }

    @DeleteMapping("/reservations/{id}")
    override fun removeReservation(
            @MemberId @Parameter(hidden = true) memberId: Long,
            @PathVariable("id") reservationId: Long
    ): ResponseEntity<CommonApiResponse<Unit>> {
        if (reservationWithPaymentService.isNotPaidReservation(reservationId)) {
            reservationService.removeReservationById(reservationId, memberId)
            return ResponseEntity.noContent().build()
        }

        val paymentCancelRequest = reservationWithPaymentService.removeReservationWithPayment(
                reservationId, memberId)
        val paymentCancelResponse = paymentClient.cancelPayment(paymentCancelRequest)
        reservationWithPaymentService.updateCanceledTime(paymentCancelRequest.paymentKey,
                paymentCancelResponse.canceledAt)

        return ResponseEntity.noContent().build()
    }

    @PostMapping("/reservations")
    override fun saveReservation(
            @Valid @RequestBody reservationRequest: ReservationRequest,
            @MemberId @Parameter(hidden = true) memberId: Long
    ): ResponseEntity<CommonApiResponse<ReservationResponse>> {
        val paymentRequest: PaymentApprove.Request = reservationRequest.paymentRequest
        val paymentResponse: PaymentApprove.Response = paymentClient.confirmPayment(paymentRequest)

        try {
            val reservationResponse: ReservationResponse = reservationWithPaymentService.addReservationWithPayment(
                    reservationRequest,
                    paymentResponse,
                    memberId
            )
            return ResponseEntity.created(URI.create("/reservations/${reservationResponse.id}"))
                    .body(CommonApiResponse(reservationResponse))
        } catch (e: RoomescapeException) {
            val cancelRequest = PaymentCancel.Request(paymentRequest.paymentKey,
                    paymentRequest.amount, e.message!!)
            val paymentCancelResponse = paymentClient.cancelPayment(cancelRequest)
            reservationWithPaymentService.saveCanceledPayment(paymentCancelResponse, paymentResponse.approvedAt,
                    paymentRequest.paymentKey)
            throw e
        }
    }

    @PostMapping("/reservations/admin")
    override fun saveReservationByAdmin(
            @Valid @RequestBody adminReservationRequest: AdminReservationRequest
    ): ResponseEntity<CommonApiResponse<ReservationResponse>> {
        val response: ReservationResponse =
                reservationService.addReservationByAdmin(adminReservationRequest)

        return ResponseEntity.created(URI.create("/reservations/${response.id}"))
                .body(CommonApiResponse(response))
    }

    @GetMapping("/reservations/waiting")
    override fun getAllWaiting(): ResponseEntity<CommonApiResponse<ReservationsResponse>> {
        val response: ReservationsResponse = reservationService.findAllWaiting()

        return ResponseEntity.ok(CommonApiResponse(response))
    }

    @PostMapping("/reservations/waiting")
    override fun saveWaiting(
            @Valid @RequestBody waitingRequest: WaitingRequest,
            @MemberId @Parameter(hidden = true) memberId: Long,
    ): ResponseEntity<CommonApiResponse<ReservationResponse>> {
        val response: ReservationResponse = reservationService.addWaiting(
                waitingRequest,
                memberId
        )

        return ResponseEntity.created(URI.create("/reservations/${response.id}"))
                .body(CommonApiResponse(response))
    }

    @DeleteMapping("/reservations/waiting/{id}")
    override fun deleteWaiting(
            @MemberId @Parameter(hidden = true) memberId: Long,
            @PathVariable("id") reservationId: Long
    ): ResponseEntity<CommonApiResponse<Unit>> {
        reservationService.cancelWaiting(reservationId, memberId)

        return ResponseEntity.noContent().build()
    }

    @PostMapping("/reservations/waiting/{id}/approve")
    override fun approveWaiting(
            @MemberId @Parameter(hidden = true) memberId: Long,
            @PathVariable("id") reservationId: Long
    ): ResponseEntity<CommonApiResponse<Unit>> {
        reservationService.approveWaiting(reservationId, memberId)

        return ResponseEntity.ok().build()
    }

    @PostMapping("/reservations/waiting/{id}/deny")
    override fun denyWaiting(
            @MemberId @Parameter(hidden = true) memberId: Long,
            @PathVariable("id") reservationId: Long
    ): ResponseEntity<CommonApiResponse<Unit>> {
        reservationService.denyWaiting(reservationId, memberId)

        return ResponseEntity.noContent().build()
    }
}