package actors

import actors.UserActor.{GetName, HostLeaveLobby, LobbyFatal, RefreshLobbyInfo, SecondPlayerLeaveLobby, SetUserAsHost, SetUserAsObs, SetUserAsSecondPlayer}
import akka.actor._
import akka.event.LoggingReceive
import akka.pattern.ask
import akka.util.Timeout
import com.typesafe.scalalogging.LazyLogging
import play.api.libs.json._

import scala.concurrent.ExecutionContext.Implicits.global
import scala.concurrent.duration.DurationInt
import scala.util.{Failure, Success}

class UserActor(out: ActorRef,
                userParentActor: ActorRef,
                lobbiesActor: ActorRef) extends Actor with LazyLogging {

  implicit val timeout: Timeout = 3.seconds

  var lobbieActor: Option[ActorRef] = None

  implicit val mapJson: Writes[DeciderMap] = new Writes[DeciderMap] {
    def writes(deciderMap: DeciderMap): JsValue = {
      Json.obj(
        "map" -> deciderMap.map,
        "isBanned" -> deciderMap.isBanned
      )
    }
  }

  implicit val userInfoWrites: OWrites[UserInfo] = Json.writes[UserInfo]

  implicit val lobbyWrites: OWrites[LobbyInfo] = Json.writes[LobbyInfo]

  implicit val lobbyResponseWrites: Writes[List[LobbyInfo]] = new Writes[List[LobbyInfo]] {

    override def writes(o: List[LobbyInfo]): JsValue = {
      JsArray(o.map(lobby => Json.toJson(lobby)))
    }
  }

  var name = ""

  override def preStart(): Unit = {
    super.preStart()

    configureDefaultStocks()
  }

  def configureDefaultStocks(): Unit = {
    logger.info(s"Creating user actor")
  }

  override def receive: Receive = LoggingReceive {

    case GetName =>
      sender ! name

    case SetUserAsHost(lobbyInfo) =>
      val lobbyActor = sender()
      logger.info(s"Receive set user ${self.path.name} as host from ${lobbyActor.path.name}")
      setUserAsJoinedOrCreatedLobby(lobbyActor, lobbyInfo)

    case SetUserAsSecondPlayer(lobbyInfo) =>
      val lobbyActor = sender()
      logger.info(s"Receive set user ${self.path.name} as second player from ${lobbyActor.path.name}")
      setUserAsJoinedOrCreatedLobby(lobbyActor, lobbyInfo)

    case SetUserAsObs(lobbyInfo) =>
      val lobbyActor = sender()
      logger.info(s"Receive set user ${self.path.name} as second player from ${lobbyActor.path.name}")
      setUserAsJoinedOrCreatedLobby(lobbyActor, lobbyInfo)

    case HostLeaveLobby =>
      logger.info(s"Host leave from lobby ${sender.path.name}")
      out ! Json.obj("type" -> "lobbyError", "error" -> "Host leave lobby")

    case SecondPlayerLeaveLobby =>
      logger.info(s"Second player lobby ${sender.path.name}")
      out ! Json.obj("type" -> "lobbyError", "error" -> "Second player leave lobby")

    case RefreshLobbyInfo(lobbyInfo) =>
      logger.trace(s"Refresh lobby info: $lobbyInfo")
      out ! Json.obj("type" -> "refreshLobby", "lobby" -> lobbyInfo)

    case LobbyFatal(message) => // После этого сообщения выход из лобби
      logger.warn(s"Lobby error: $message")
      out ! Json.obj("type" -> "lobbyError", "error" -> message)

    case json: JsValue =>
      // Обрабатываем запросы с фронта

      val comType = (json \ "type").asOpt[String]
      comType match {
        case Some("userName") =>
          name = (json \ "name").as[String]
          logger.debug(s"Set user name: $name for actor ${this.self}")
        case Some("getAllUsers") =>
          val userActorsFuture = (userParentActor ? UserParentActor.GetAllUsers).mapTo[Iterable[ActorRef]]
          userActorsFuture.map(actorRefs => {
            logger.debug(s"There are ${actorRefs.size} users on site")
            actorRefs.map(userActorRef => userActorRef ? GetName).map(res => {
              res.onComplete {
                case Success(name) => logger.debug(s"There is $name on site")
              }
            })
          })

        case Some("createDecider") =>
          lobbiesActor ! CreateLobby(name)

        case Some("leaveDecider") =>
          lobbieActor.foreach(lobby => lobby ! LeaveLobby)

        case Some("setReady") =>
          lobbieActor.foreach(lobby => lobby ! SetReady)

        case Some("setNotReady") =>
          lobbieActor.foreach(lobby => lobby ! SetNotReady)

        case Some("kickSecondPlayer") =>
          lobbieActor.foreach(lobby => lobby ! KickSecondPlayer)

        case Some("joinDecider") =>
          val lobbyActorName = (json \ "lobbyActorName").as[String]
          logger.info(s"Player ${self.path.name} join lobby $lobbyActorName")
          lobbiesActor ! JoinLobbyByActorName(lobbyActorName, name)

        case Some("observerDecider") =>
          val lobbyActorName = (json \ "lobbyActorName").as[String]
          logger.info(s"Player ${self.path.name} observe lobby $lobbyActorName")
          lobbiesActor ! ObserveLobbyByActorName(lobbyActorName)

        case Some("banMap") =>
          val map = (json \ "map").as[String]
          lobbieActor.foreach(lobby => lobby ! BanMap(map))

        case Some("getLobbies") =>
          logger.debug("Get all lobby request")
          (lobbiesActor ? GetAllLobbies).mapTo[List[RefreshLobbyInfo]] onComplete {
            case Success(lobbies) => {
              logger.info(s"Received lobbies: $lobbies")
              out ! Json.obj("type" -> "lobbies", "lobbies" -> lobbies.map(res => res.lobbyInfo))
            }
            case Failure(ex) => logger.error("Received error", ex)
          }
      }
  }

  private def setUserAsJoinedOrCreatedLobby(lobbyActor: ActorRef, lobbyInfo: LobbyInfo): Unit = {
    this.lobbieActor = Some(lobbyActor)
    out ! Json.obj("type" -> "switchToLobby", "lobby" -> lobbyInfo)
  }

}

class UserParentActor(actorSystem: ActorSystem) extends Actor with ActorLogging {

  import UserParentActor._

  override def receive: Receive = LoggingReceive {
    case Create(id, out, lobbiesActor) =>
      val child: ActorRef = actorSystem.actorOf(Props(classOf[UserActor], out, self, lobbiesActor), s"userActor-$id")
      sender() ! child
    case GetAllUsers =>
      sender() ! context.children
  }
}


object UserParentActor {

  case class Create(id: String, out: ActorRef, lobbiesActor: ActorRef)

  case object GetAllUsers

}

object UserActor {

  trait Factory {
    // Corresponds to the @Assisted parameters defined in the constructor
    def apply(out: ActorRef): Actor
  }

  case object GetName

  case class RefreshLobbyInfo(lobbyInfo: LobbyInfo)

  case class SetUserAsHost(lobbyInfo: LobbyInfo)

  case class SetUserAsSecondPlayer(lobbyInfo: LobbyInfo)

  case class SetUserAsObs(lobbyInfo: LobbyInfo)

  case class LobbyFatal(message: String)

  case object CreateLobby

  case object HostLeaveLobby

  case object SecondPlayerLeaveLobby
}