package org.slf4j.impl

import scala.concurrent.ExecutionContext
import scala.concurrent.duration._

import _root_.monix.execution.Scheduler
import cats.effect.Clock
import cats.effect.ContextShift
import cats.effect.Effect
import cats.effect.IO
import cats.effect.Timer
import cats.implicits._
import io.odin._
import io.odin.json.Formatter
import io.odin.slf4j.OdinLoggerBinder
import io.odin.syntax._

//effect type should be specified inbefore
//log line will be recorded right after the call with no suspension
class StaticLoggerBinder extends OdinLoggerBinder[IO] {

  val ec: ExecutionContext = Scheduler.global
  implicit val timer: Timer[IO] = IO.timer(ec)
  implicit val clock: Clock[IO] = timer.clock
  implicit val cs: ContextShift[IO] = IO.contextShift(ec)
  implicit val F: Effect[IO] = IO.ioEffect

  // val loggers: PartialFunction[String, Logger[IO]] = {
  //   case "some.external.package.SpecificClass" =>
  //     consoleLogger[IO](minLevel = Level.Warn) //disable noisy external logs
  //   case asyncHttpClient
  //       if asyncHttpClient.startsWith("org.asynchttpclient.netty") =>
  //     consoleLogger[IO](minLevel = Level.Warn)
  //   case _ => //if wildcard case isn't provided, default logger is no-op
  //     consoleLogger[IO]()
  // }
  // private lazy val (defaultConsoleLogger, release1) =
  //   consoleLogger[IO](minLevel = Level.Debug)
  //     .withAsync(timeWindow = 1.milliseconds)
  //     .allocated
  //     .unsafeRunSync()

  private lazy val (mainFileLogger, release2) =
    fileLogger[IO](
      "application-log-2.log",
      Formatter.json,
      minLevel = Level.Debug
    ).withAsync(timeWindow = 1.milliseconds)
      .allocated
      .unsafeRunSync()

  sys.addShutdownHook(release2.unsafeRunSync())

  // private lazy val (eventBusFileLogger, release3) =
  //   fileLogger[IO](
  //     "eventbus.log",
  //     Formatter.json,
  //     minLevel = Level.Debug
  //   ).withAsync(timeWindow = 1.milliseconds)
  //     .allocated
  //     .unsafeRunSync()

  // {
  //   ArraySeq(release1, release2, release3).foreach(r =>
  //     sys.addShutdownHook(r.unsafeRunSync())
  //   )
  // }

  val loggers: PartialFunction[String, Logger[IO]] = {
    case "some.external.package.SpecificClass" =>
      //disable noisy external logs
      consoleLogger[IO](minLevel = Level.Debug).withMinimalLevel(Level.Warn)
    case asyncHttpClient
        if asyncHttpClient.startsWith("org.asynchttpclient.netty") =>
      consoleLogger[IO](minLevel = Level.Debug).withMinimalLevel(Level.Warn)
    // case s
    //     if s.startsWith(
    //       "wow.doge.mygame.subsystems.movement.PlayerMovementEventHandler"
    //     ) =>
    //   consoleLogger[IO](minLevel = Level.Debug).withMinimalLevel( Level.Trace) //selectively turn on trace logging for specific classes
    // case s if s.startsWith("wow.doge.mygame.events.EventBus") =>
    //   consoleLogger[IO](minLevel = Level.Debug).withMinimalLevel(Level.Debug) |+| eventBusFileLogger
    case s if s.startsWith("akka.actor") || s.startsWith("nova.monadic_sfx") =>
      consoleLogger[IO](minLevel = Level.Debug)
        .withMinimalLevel(Level.Debug) |+| mainFileLogger
    case _ => //if wildcard case isn't provided, default logger is no-op
      consoleLogger[IO](minLevel = Level.Debug).withMinimalLevel(Level.Debug)
  }
}

object StaticLoggerBinder extends StaticLoggerBinder {

  val REQUESTED_API_VERSION: String = "1.7"

  def getSingleton: StaticLoggerBinder = this

}