Scala Day 1

1-tictactoe-attempt-1.scala

class WinCombo(position1 : Int, position2 : Int, position3 : Int) {

  def isMatch(positions : Array[Int]) : Boolean = {
    positions.contains(position1) && positions.contains(position2) && positions.contains(position3)
  }

}

class Judge {
  val winningCombos = List(
    new WinCombo(1, 2, 3),
    new WinCombo(4, 5, 6),
    new WinCombo(7, 8, 9),
    new WinCombo(1, 4, 7),
    new WinCombo(2, 5, 8),
    new WinCombo(3, 6, 9),
    new WinCombo(1, 5, 9),
    new WinCombo(3, 5, 7))

  def isWinner(positions : Array[Int]) : Boolean = {
    winningCombos.foreach{ combo =>
      if (combo.isMatch(positions)) return true
    }
    false
  }

}

def playTicTacToe {
  println("Enter the current moves for X:")
  val xMoves = getPositions(Console.readLine().split(","))

  println("Enter the current moves for Y:")
  val yMoves = getPositions(Console.readLine().split(","))

  val judge = new Judge()

  val xWon = judge.isWinner(xMoves)
  val yWon = judge.isWinner(yMoves)

  if (xWon == yWon) {
    Console.println("It's a draw!")
  } else {
    Console.println("The winner is ...")
    if (xWon) Console.println("X")
    if (yWon) Console.println("Y")
  }

}

def getPositions(moves : Array[String]) : Array[Int] = {
  moves.map(move => Integer.parseInt(move))
}

playTicTacToe