package nova.monadic_sfx.ui

import scala.concurrent.duration._

import io.odin.Logger
import monix.bio.Task
import nova.monadic_sfx.executors.Schedulers
import nova.monadic_sfx.ui.DefaultUI
import scalafx.application.JFXApp
import scalafx.application.JFXApp.PrimaryStage

class MyFxApp(val schedulers: Schedulers)(implicit logger: Logger[Task]) {

  private lazy val internal = new JFXApp {
    stage = new PrimaryStage {
      scene = DefaultUI.scene
    }
  }

  // def stage = Task(internal.stage)

  // def stage_=(stage: PrimaryStage) = Task(internal.stage = stage)

  // def useInternal[T](f: JFXApp => Task[T]): Task[T] =
  //   for {
  //     _ <- logger.debug("Request for using internal value")
  //     res <- f(internal).executeOn(schedulers.fx)
  //     _ <- logger.debug(s"Result was ${res.toString()}")
  //   } yield (res)

  def init(stage: => PrimaryStage, delay: FiniteDuration = 200.millis) =
    for {
      _ <- logger.info("Starting FX App")
      fib <- Task(internal.main(Array.empty)).start
      _ <- Task.sleep(200.millis)
      _ <- Task(internal.stage = stage)
        .executeOn(schedulers.fx)
        .delayExecution(delay)
    } yield (this, fib)

}