import pkg/chronos
import pkg/upraises
import pkg/questionable
import pkg/ethers/erc20
import ./contracts/requests
import ./contracts/proofs
import ./clock
import ./errors
import ./periods

export chronos
export questionable
export requests
export proofs
export SecondsSince1970
export periods

type
  Market* = ref object of RootObj
  MarketError* = object of CodexError
  Subscription* = ref object of RootObj
  OnRequest* = proc(id: RequestId,
                    ask: StorageAsk,
                    expiry: UInt256) {.gcsafe, upraises:[].}
  OnFulfillment* = proc(requestId: RequestId) {.gcsafe, upraises: [].}
  OnSlotFilled* = proc(requestId: RequestId, slotIndex: UInt256) {.gcsafe, upraises:[].}
  OnSlotFreed* = proc(requestId: RequestId, slotIndex: UInt256) {.gcsafe, upraises: [].}
  OnRequestCancelled* = proc(requestId: RequestId) {.gcsafe, upraises:[].}
  OnRequestFailed* = proc(requestId: RequestId) {.gcsafe, upraises:[].}
  OnProofSubmitted* = proc(id: SlotId) {.gcsafe, upraises:[].}
  ProofChallenge* = array[32, byte]

  # Marketplace events -- located here due to the Market abstraction
  MarketplaceEvent* = Event
  StorageRequested* = object of MarketplaceEvent
    requestId*: RequestId
    ask*: StorageAsk
    expiry*: UInt256
  SlotFilled* = object of MarketplaceEvent
    requestId* {.indexed.}: RequestId
    slotIndex*: UInt256
  SlotFreed* = object of MarketplaceEvent
    requestId* {.indexed.}: RequestId
    slotIndex*: UInt256
  RequestFulfilled* = object of MarketplaceEvent
    requestId* {.indexed.}: RequestId
  RequestCancelled* = object of MarketplaceEvent
    requestId* {.indexed.}: RequestId
  RequestFailed* = object of MarketplaceEvent
    requestId* {.indexed.}: RequestId
  ProofSubmitted* = object of MarketplaceEvent
    id*: SlotId

method getZkeyHash*(market: Market): Future[?string] {.base, async.} =
  raiseAssert("not implemented")

method getSigner*(market: Market): Future[Address] {.base, async.} =
  raiseAssert("not implemented")

method periodicity*(market: Market): Future[Periodicity] {.base, async.} =
  raiseAssert("not implemented")

method proofTimeout*(market: Market): Future[UInt256] {.base, async.} =
  raiseAssert("not implemented")

method proofDowntime*(market: Market): Future[uint8] {.base, async.} =
  raiseAssert("not implemented")

method getPointer*(market: Market, slotId: SlotId): Future[uint8] {.base, async.} =
  raiseAssert("not implemented")

proc inDowntime*(market: Market, slotId: SlotId): Future[bool] {.async.} =
  let downtime = await market.proofDowntime
  let pntr = await market.getPointer(slotId)
  return pntr < downtime

method requestStorage*(market: Market,
                       request: StorageRequest) {.base, async.} =
  raiseAssert("not implemented")

method myRequests*(market: Market): Future[seq[RequestId]] {.base, async.} =
  raiseAssert("not implemented")

method mySlots*(market: Market): Future[seq[SlotId]] {.base, async.} =
  raiseAssert("not implemented")

method getRequest*(market: Market,
                   id: RequestId):
                  Future[?StorageRequest] {.base, async.} =
  raiseAssert("not implemented")

method requestState*(market: Market,
                 requestId: RequestId): Future[?RequestState] {.base, async.} =
  raiseAssert("not implemented")

method slotState*(market: Market,
                  slotId: SlotId): Future[SlotState] {.base, async.} =
  raiseAssert("not implemented")

method getRequestEnd*(market: Market,
                      id: RequestId): Future[SecondsSince1970] {.base, async.} =
  raiseAssert("not implemented")

method requestExpiresAt*(market: Market,
                      id: RequestId): Future[SecondsSince1970] {.base, async.} =
  raiseAssert("not implemented")

method getHost*(market: Market,
                requestId: RequestId,
                slotIndex: UInt256): Future[?Address] {.base, async.} =
  raiseAssert("not implemented")

method getActiveSlot*(
  market: Market,
  slotId: SlotId): Future[?Slot] {.base, async.} =

  raiseAssert("not implemented")

method fillSlot*(market: Market,
                 requestId: RequestId,
                 slotIndex: UInt256,
                 proof: Groth16Proof,
                 collateral: UInt256) {.base, async.} =
  raiseAssert("not implemented")

method freeSlot*(market: Market, slotId: SlotId) {.base, async.} =
  raiseAssert("not implemented")

method withdrawFunds*(market: Market,
                      requestId: RequestId) {.base, async.} =
  raiseAssert("not implemented")

method subscribeRequests*(market: Market,
                          callback: OnRequest):
                         Future[Subscription] {.base, async.} =
  raiseAssert("not implemented")

method isProofRequired*(market: Market,
                        id: SlotId): Future[bool] {.base, async.} =
  raiseAssert("not implemented")

method willProofBeRequired*(market: Market,
                            id: SlotId): Future[bool] {.base, async.} =
  raiseAssert("not implemented")

method getChallenge*(market: Market, id: SlotId): Future[ProofChallenge] {.base, async.} =
  raiseAssert("not implemented")

method submitProof*(market: Market,
                    id: SlotId,
                    proof: Groth16Proof) {.base, async.} =
  raiseAssert("not implemented")

method markProofAsMissing*(market: Market,
                           id: SlotId,
                           period: Period) {.base, async.} =
  raiseAssert("not implemented")

method canProofBeMarkedAsMissing*(market: Market,
                                  id: SlotId,
                                  period: Period): Future[bool] {.base, async.} =
  raiseAssert("not implemented")

method reserveSlot*(
  market: Market,
  id: SlotId) {.base, async.} =

  raiseAssert("not implemented")

method canReserveSlot*(
  market: Market,
  id: SlotId): Future[bool] {.base, async.} =

  raiseAssert("not implemented")

method subscribeFulfillment*(market: Market,
                             callback: OnFulfillment):
                            Future[Subscription] {.base, async.} =
  raiseAssert("not implemented")

method subscribeFulfillment*(market: Market,
                             requestId: RequestId,
                             callback: OnFulfillment):
                            Future[Subscription] {.base, async.} =
  raiseAssert("not implemented")

method subscribeSlotFilled*(market: Market,
                            callback: OnSlotFilled):
                           Future[Subscription] {.base, async.} =
  raiseAssert("not implemented")

method subscribeSlotFilled*(market: Market,
                            requestId: RequestId,
                            slotIndex: UInt256,
                            callback: OnSlotFilled):
                           Future[Subscription] {.base, async.} =
  raiseAssert("not implemented")

method subscribeSlotFreed*(market: Market,
                           callback: OnSlotFreed):
                          Future[Subscription] {.base, async.} =
  raiseAssert("not implemented")

method subscribeRequestCancelled*(market: Market,
                                  callback: OnRequestCancelled):
                                Future[Subscription] {.base, async.} =
  raiseAssert("not implemented")

method subscribeRequestCancelled*(market: Market,
                                  requestId: RequestId,
                                  callback: OnRequestCancelled):
                                Future[Subscription] {.base, async.} =
  raiseAssert("not implemented")

method subscribeRequestFailed*(market: Market,
                               callback: OnRequestFailed):
                             Future[Subscription] {.base, async.} =
  raiseAssert("not implemented")

method subscribeRequestFailed*(market: Market,
                               requestId: RequestId,
                               callback: OnRequestFailed):
                             Future[Subscription] {.base, async.} =
  raiseAssert("not implemented")

method subscribeProofSubmission*(market: Market,
                                 callback: OnProofSubmitted):
                                Future[Subscription] {.base, async.} =
  raiseAssert("not implemented")

method unsubscribe*(subscription: Subscription) {.base, async, upraises:[].} =
  raiseAssert("not implemented")

method queryPastEvents*[T: MarketplaceEvent](
  market: Market,
  _: type T,
  blocksAgo: int): Future[seq[T]] {.base, async.} =
  raiseAssert("not implemented")