Mancala - headless mode and more bots

bots.js

...

program
  .version('0.0.1')
  .usage("Mancala Bot War: Run Mancala AI Experiment")
  .option('-p1, --player1 <AI 1 type>', "The bot to use for player 1")
  .option('-p2, --player2 <AI 2 type>', "The bot to use for player 2")
  .option('-r, --rounds <rnds>', "Number of games to play")
  .option('-o, --out <dir>', "output file")
  .parse(process.argv)

...

range(1,program.rounds*1).forEach(round => {
    dbg(`Round ${round}`)
    let game = new MancalaGame(14,'',_ => {},gameMsg,{p1 : program.player1, p2:program.player2},results => {
        dbg (`Round ${round} Results: ${results}`)
        let line = []
        line.push(results.player1StoneCount)
        line.push(results.player2StoneCount)
        line.push(results.winner || 0) //write the player who one or 0 for draw
        fs.appendFileSync(program.out,line.join(',') + "\n",{flag :'a'})
    })
    game.start();

})

game.js

class MancalaGame
{
  constructor(gameSize,cnvsELID,_updatePlayerCallback,_showMsgCallback,requestedAIPlayers,_gameOverCallback)
  {
    ...
    this.gameOverCallback = _gameOverCallback
    ...
    if (cnvsELID)
    {
      this.boardUI = maybe(new BoardUI(cnvsELID,this.cellCount,this))
      this.boardUI.ifPresent(bui => bui.initializeBoardDrawing());
    }
    else this.boardUI = None; //headless mode
  }
  
   _redraw()
  {
    this.boardUI.ifPresent(_ => _.drawBoardState(this.board,this));
  }
  
   _gameOver()
  {
    let player1StoneCount = this.board.player1StoneCount();
    let player2StoneCount = this.board.player2StoneCount();

    let results = { player1StoneCount : player1StoneCount, player2StoneCount : player2StoneCount}

    switch (true)
    {
      case player1StoneCount > player2StoneCount : results.winner = 1; break;
      case player2StoneCount > player1StoneCount : results.winner = 2; break;
      default : results.isDraw = true; break;
    }
    
    this.gameOverCallback(results);
  }
  
  togglePlayer()
  {
    this.player = this.player.theOtherOne();
    this.boardUI.ifPresent(_ => _.toggleHighlights(this.player.number));
    return this.player;
  }
}

index.html

<script>
  function setup()
  {
    game = new main.MancalaGame(resolveGameSize(),'cnvsMain',updateCurrentPlayer,showMsg, resolveRequestedAI(),gameOver);
    game.start();
  }
  
  function gameOver(results)
  {
    let a = ["Game Over","# Stones P1:" + results.player1StoneCount,"# Stones P2: " + results.player2StoneCount];
    if (!results.isDraw)
      a.push(`Player ${results.winner} Wins!`)
    else 
      a.push('Draw!')

    showMsg(a.join('<br/>'))

  }
</script>