package wow.doge.mygame

import java.nio.file.StandardOpenOption

import monix.bio.UIO
import monix.execution.Scheduler
import monix.nio.file.AsyncFileChannelConsumer
import monix.nio.text.UTF8Codec.utf8Decode
import monix.nio.{file => mnf}
import wow.doge.mygame.implicits._

package object utils {
  def methodName(implicit enclosing: sourcecode.Enclosing) =
    enclosing.value.split(" ")(0).split("""\.""").last

  def readAsync(
      path: os.Path,
      chunkSize: Int = 8192
  ) =
    UIO
      .deferAction(implicit s => UIO(mnf.readAsync(path.toNIO, chunkSize)))
      .flatMap(bytes => UIO(bytes.pipeThrough(utf8Decode)))

  @SuppressWarnings(Array("org.wartremover.warts.TraversableOps"))
  def readAsyncL(
      path: os.Path,
      chunkSize: Int = 8192
  ) =
    readAsync(path, chunkSize)
      .flatMap(_.toListL.toIO)
      .map(_.head)

  def writeAsync(path: os.Path, flags: Seq[StandardOpenOption] = Seq.empty)(
      implicit s: Scheduler
  ): AsyncFileChannelConsumer =
    mnf.appendAsync(path.toNIO, 0, flags)

}