package wow.doge.mygame

import akka.actor.typed.ActorRef
import akka.actor.typed.ActorSystem
import akka.actor.typed.Scheduler
import akka.actor.typed.SpawnProtocol
import akka.util.Timeout
import cats.effect.Resource
import cats.effect.concurrent.Deferred
import cats.syntax.eq._
import com.jme3.app.state.AppStateManager
import com.jme3.asset.plugins.ZipLocator
import com.jme3.bullet.control.BetterCharacterControl
import com.jme3.input.InputManager
import com.jme3.material.Material
import com.jme3.material.MaterialDef
import com.jme3.math.FastMath
import com.jme3.renderer.Camera
import com.jme3.renderer.RenderManager
import com.jme3.renderer.ViewPort
import com.jme3.scene.Node
import com.jme3.scene.control.AbstractControl
import com.softwaremill.macwire._
import com.softwaremill.tagging._
import io.odin.Logger
import monix.bio.Fiber
import monix.bio.IO
import monix.bio.Task
import monix.bio.UIO
import scalafx.scene.control.TextArea
import wow.doge.mygame.executors.Schedulers
import wow.doge.mygame.game.GameApp
import wow.doge.mygame.game.GameAppActor
import wow.doge.mygame.game.GameAppResource
import wow.doge.mygame.game.GameAppTags
import wow.doge.mygame.game.entities.EntityIds
import wow.doge.mygame.game.entities.NpcActorSupervisor
import wow.doge.mygame.game.entities.NpcMovementActor
import wow.doge.mygame.game.entities.PlayerActorSupervisor
import wow.doge.mygame.game.entities.PlayerController
import wow.doge.mygame.game.entities.PlayerControllerTags
import wow.doge.mygame.game.subsystems.input.GameInputHandler
import wow.doge.mygame.game.subsystems.level.DefaultGameLevel
import wow.doge.mygame.implicits._
import wow.doge.mygame.launcher.Launcher
import wow.doge.mygame.launcher.Launcher.LauncherResult
import wow.doge.mygame.math.ImVector3f
import wow.doge.mygame.subsystems.events.EventsModule
import wow.doge.mygame.subsystems.events.EventsModule.GameEventBus
import wow.doge.mygame.subsystems.events.PlayerEvent
import wow.doge.mygame.subsystems.events.TickEvent
import wow.doge.mygame.subsystems.scriptsystem.ScriptInitMode
import wow.doge.mygame.subsystems.scriptsystem.ScriptSystemResource
import wow.doge.mygame.utils.AkkaUtils
import wow.doge.mygame.utils.GenericConsoleStream
import wow.doge.mygame.utils.wrappers.jme.AppNode
import wow.doge.mygame.utils.wrappers.jme.AssetManager
import wow.doge.mygame.utils.wrappers.jme.PhysicsSpace
import wow.doge.mygame.subsystems.events.EventBus.ObservableSubscription
import wow.doge.mygame.subsystems.events.PlayerMovementEvent
import monix.reactive.Observable
import monix.eval.Coeval
import wow.doge.mygame.utils.IOUtils
import com.jme3.math.ColorRGBA

class MainApp(
    logger: Logger[Task],
    jmeThread: monix.execution.Scheduler,
    schedulers: Schedulers,
    consoleStream: GenericConsoleStream[TextArea]
)(implicit
    spawnProtocol: ActorRef[SpawnProtocol.Command],
    timeout: Timeout,
    scheduler: Scheduler
) {

  val scriptSystemInit =
    new ScriptSystemResource(os.pwd, ScriptInitMode.Eager).init

  val eventsModule = new EventsModule(scheduler, spawnProtocol)

  class TestClass(
      playerEventBus: GameEventBus[PlayerEvent],
      tickEventBus: GameEventBus[TickEvent]
  )

  def gameInit: Resource[Task, Fiber[Throwable, Unit]] =
    wire[GameAppResource].resource.evalMap {
      case gameApp -> gameAppFib =>
        for {
          playerEventBus <- eventsModule.playerEventBusTask
          mainEventBus <- eventsModule.mainEventBusTask
          tickEventBus <- eventsModule.tickEventBusTask
          obs <- playerEventBus.askL[Observable[PlayerMovementEvent]](
            ObservableSubscription(_)
          )
          _ <- IOUtils.toIO(
            obs
              .doOnNextF(pme => Coeval(pprint.log(s"Received event $pme")).void)
              .completedL
              .startAndForget
          )
          inputManager <- gameApp.inputManager
          assetManager <- UIO.pure(gameApp.assetManager)
          stateManager <- gameApp.stateManager
          camera <- gameApp.camera
          rootNode <- UIO.pure(gameApp.rootNode)
          enqueueR <- UIO(gameApp.enqueue _)
          viewPort <- gameApp.viewPort
          physicsSpace <- UIO.pure(gameApp.physicsSpace)
          _ <- logger.info("before")
          // jfxUI <- gameApp.jfxUI
          gameAppActor <- gameApp.spawnGameActor(
            GameAppActor.Props(tickEventBus).behavior,
            "gameAppActor"
          )
          _ <- gameAppActor !! GameAppActor.Start
          consoleTextArea <- Task(new TextArea {
            text = "hello \n"
            editable = false
            wrapText = true
            // maxHeight = 150
            // maxWidth = 300
          })
          // _ <- Task(consoleStream := consoleTextArea)
          // _ <- Task(jfxUI += consoleTextArea)
          _ <- logger.info("after")
          _ <- logger.info("Initializing console stream")
          _ <-
            wire[MainAppDelegate]
              .init()
              .executeOn(gameApp.scheduler)
        } yield gameAppFib
    }

  // val x: Task[Unit] = for {
  //   tickEventBus <- eventsModule.tickEventBusTask
  //   playerEventBus <- eventsModule.playerEventBusTask
  //   _ <- UIO(wire[TestClass])
  //   _ <- gameInit(tickEventBus).use(_.join)
  // } yield ()

  val program = for {
    scriptSystem <- scriptSystemInit
    launchSignal <- Deferred[Task, Launcher.LauncherResult]
    launcher <- new Launcher.Props(schedulers, launchSignal).create
    launchResult <- launcher.init.use(_ => launchSignal.get)
    _ <-
      /**
        * User chose to quit
        */
      if (launchResult === LauncherResult.Exit)
        logger.info("Exiting")
      /**
        * User chose launch. Wait for game window to close
        */
      else
        gameInit.use(_.join)

  } yield ()
}

/**
  * Class with all dependencies in one place for easy wiring
  */
class MainAppDelegate(
    gameApp: GameApp,
    loggerL: Logger[Task],
    playerEventBus: GameEventBus[PlayerEvent],
    tickEventBus: GameEventBus[TickEvent],
    inputManager: InputManager,
    assetManager: AssetManager,
    stateManager: AppStateManager,
    physicsSpace: PhysicsSpace[Task],
    camera: Camera,
    viewPort: ViewPort,
    enqueueR: Function1[() => Unit, Unit],
    rootNode: AppNode[Task] @@ GameAppTags.RootNode
)(implicit
    spawnProtocol: ActorRef[SpawnProtocol.Command],
    timeout: Timeout,
    scheduler: Scheduler
) {

  def init(
      // appScheduler: monix.execution.Scheduler
      // consoleStream: GenericConsoleStream[TextArea]
  ) =
    for {
      _ <- loggerL.info("Initializing Systems")
      _ <- assetManager.registerLocator(
        os.rel / "assets" / "town.zip",
        classOf[ZipLocator]
      )
      _ <- loggerL.info("test")
      // _ <- Task(consoleStream.println("text"))
      _ <- DefaultGameLevel(assetManager, viewPort)
        .flatMap(_.addToGame(rootNode, physicsSpace).hideErrors)
        .onErrorHandleWith(e => loggerL.error(e.toString))
      _ <- createPlayerController()
        .onErrorHandleWith(e => loggerL.error(e.toString))
      // .onErrorRestart(3)
      _ <- wire[GameInputHandler.Props].begin
      // .onErrorRestart(3)
      johnActor <- createTestNpc("John")
        .onErrorHandleWith(e => IO.raiseError(new Throwable(e.toString)))
      // _ <- johnActor !! NpcActorSupervisor.Move(ImVector3f(0, 0, 20))

      // _ <-
      //   johnActor
      //     .tellL(NpcActorSupervisor.Move(ImVector3f(-30, 0, 10)))
      //     .delayExecution(2.seconds)
      // _ <-
      //   IOUtils
      //     .toIO(
      //       rootNode
      //         .observableBreadthFirst()
      //         .doOnNext(spat => IOUtils.toTask(loggerL.debug(spat.getName())))
      //         .completedL
      //     )
      //     .executeOn(appScheduler)
      //     .startAndForget
    } yield ()

  def createPlayerController(
      // appScheduler: monix.execution.Scheduler
  ): IO[PlayerController.Error, ActorRef[PlayerActorSupervisor.Command]] = {
    val playerPos = ImVector3f.ZERO
    val modelPath = os.rel / "Models" / "Jaime" / "Jaime.j3o"
    val playerPhysicsControl =
      PlayerController.Defaults.defaultPlayerPhysicsControl
        .taggedWith[PlayerControllerTags.PlayerTag]
    for {
      playerModel <-
        assetManager
          .loadModelAs[Node](modelPath)
          .map(_.withRotate(0, FastMath.PI, 0))
          .mapError(PlayerController.CouldNotCreatePlayerModel)
      playerNode <- UIO(
        PlayerController.Defaults
          .defaultPlayerNode(
            playerPos,
            playerModel,
            playerPhysicsControl
          )
      )
      cameraPivotNode <- UIO(
        new Node(EntityIds.CameraPivot.value)
          .withControl(new FollowControl(playerNode))
          .taggedWith[PlayerControllerTags.PlayerCameraPivotNode]
      )
      camNode <- UIO(
        PlayerController.Defaults
          .defaultCamerNode(camera, playerPos)
          .taggedWith[PlayerControllerTags.PlayerCameraNode]
      )
      playerActor <- wire[PlayerController.Props].create
    } yield playerActor
  }

  def createTestNpc(
      // appScheduler: monix.execution.Scheduler,
      npcName: String
  ) = {
    val initialPos = ImVector3f(50, 5, 0)
    val npcPhysicsControl = new BetterCharacterControl(1.5f, 6f, 1f)
      // (1f, 2.1f, 10f)
      .withJumpForce(ImVector3f(0, 5f, 0))

    val npcActorTask = AkkaUtils.spawnActorL(
      NpcActorSupervisor
        .Props(
          new NpcMovementActor.Props(
            enqueueR,
            initialPos,
            // tickEventBus,
            npcName,
            npcPhysicsControl
          ).behavior,
          npcName,
          initialPos
        )
        .behavior,
      s"${npcName}-npcActorSupervisor"
    )

    for {
      materialDef <- assetManager.loadAssetAs[MaterialDef](
        os.rel / "Common" / "MatDefs" / "Misc" / "Unshaded.j3md"
      )
      material = new Material(materialDef)
      _ = material.setColor("Color", ColorRGBA.Blue)
      mesh = PlayerController.Defaults.defaultMesh.withMaterial(material)
      npcNode = PlayerController.Defaults.defaultNpcNode(
        mesh,
        initialPos,
        npcPhysicsControl,
        npcName
      )
      npcActor <- npcActorTask.hideErrors
      _ <- (for {
          _ <- physicsSpace += npcPhysicsControl
          _ <- physicsSpace += npcNode
          _ <- rootNode += npcNode
        } yield ()).hideErrors
    } yield npcActor

  }

}

class FollowControl(playerNode: Node) extends AbstractControl {
  override def controlUpdate(tpf: Float): Unit =
    this.spatial.setLocalTranslation(playerNode.getLocalTranslation())
  override def controlRender(
      rm: RenderManager,
      vp: ViewPort
  ): Unit = {}
}