import pkg/chronos
import pkg/questionable
import pkg/questionable/results
import pkg/upraises

import ./key
import ./query

export key, query

push: {.upraises: [].}

type
  DatastoreError* = object of CatchableError
  DatastoreKeyNotFound* = object of DatastoreError

  CodexResult*[T] = Result[T, ref DatastoreError]
  Datastore* = ref object of RootObj

method contains*(self: Datastore, key: Key): Future[?!bool] {.base, locks: "unknown".} =
  raiseAssert("Not implemented!")

method delete*(self: Datastore, key: Key): Future[?!void] {.base, locks: "unknown".} =
  raiseAssert("Not implemented!")

method get*(self: Datastore, key: Key): Future[?!seq[byte]] {.base, locks: "unknown".} =
  raiseAssert("Not implemented!")

method put*(self: Datastore, key: Key, data: seq[byte]): Future[?!void] {.base, locks: "unknown".} =
  raiseAssert("Not implemented!")

method close*(self: Datastore): Future[?!void] {.base, locks: "unknown".} =
  raiseAssert("Not implemented!")

method query*(
  self: Datastore,
  query: Query): Future[QueryIter] =

  raiseAssert("Not implemented!")