type
  Game* = object
    running*: bool
    savePath*: cstring
    biosPath*: cstring
    file*: File
    gamePath: cstring

proc log*( output: varargs[string] ): void =
  var strBuilder = ""
  for line in output:
    strBuilder = strBuilder & line

  echo( "nimCore: ", strBuilder )

proc createVideoFrame*( self: Game ): void =
  discard

proc createAudioFrame*( self: Game ): void =
  discard

proc pollForInputFrame*( self: Game ): void =
  discard

proc run*( self: var Game ): void =

  # Game loop
  while self.running:
    self.createVideoFrame()
    self.createAudioFrame()
    self.pollForInputFrame()

proc unload*( self: var Game ): void =
  if self.file != nil:
    self.file.close()
    self.running = false
    log( "Game unloaded" )
  else:
    log( "(unload): game was never loaded." )

proc load*( self: var Game, filePath: string ): void =
  try:
    if self.file != nil:
      self.file.reopen( filePath )
    else:
      self.file = open( filePath )
      copyMem( addr(filePath), self.gamePath, len(filePath) )
    self.running = true
    log( "Game loaded" )

  except IOError:
    log( filePath, "(load): was not found. Cannot move beyond this." )

proc reset( self: var Game ): void =
  self.running = false
  self.unload()
  self.load( self.gamePath )


proc initGame*( self: var Game ): void =
  self.running = false
  self.savePath = "/home/lee/Desktop"
  self.biosPath = self.savePath
  self.file = nil
  self.gamePath = ""