var enemyX;
    
var enemyY;

var lastpos_turn = [-1,-1,-1,-1];
var forbidden = [];


function Mind() 
{ 
    
    var myX;
    var myY;
    
    
    
	this.newRun = function()                  
	{
	};


	this.getAction = function ( x )		 
	{ 
	  myX = x[0];
	  myY = x[1];
	  
	  if(myX == lastpos_turn[0] && myY == lastpos_turn[1]){
	      forbidden.push([lastpos_turn[2],lastpos_turn[3]])
	  }
	  
	  enemyX = x[2];
	  enemyY = x[3];
	  
	  possible = newMoves(myX,myY);
	  
	  for(var index in possible){
	      if(in_multi_dimenstion_array(possible[index], forbidden)){
	          console.log("oooh thats forbidden");
	          possible[index] = [enemyX, enemyY, -1]
	      }
	  }
	  possible = possible.sort(compare_moves);
	  console.log("" + possible)
	  
	  bestTurn = possible[possible.length - 1]
      lastpos_turn = [myX,myY, bestTurn[0], bestTurn[1]];
      //console.log(bestTurn);
	  return(bestTurn[2]);
	}

		 
	this.endRun = function()                 
	{
	};

}

function newMoves(x,y){
    
    var possiblemoves = []
    

    possiblemoves.push([x-1,y,0]);
    possiblemoves.push([x+1,y,1]);
    possiblemoves.push([x,y+1,2]);
    possiblemoves.push([x,y-1,3]);
    
    //possiblemoves = filter_forbidden(possiblemoves);

    return possiblemoves;
    
}


function value(coords, eX, eY){
    var val = Math.pow((coords[0] - eX), 2) + Math.pow((coords[1] - eY), 2);
    val =  Math.sqrt(val);
    return val;
}

function compare_moves(move1, move2){
    move1_v = value(move1, enemyX, enemyY);
    move2_v = value(move2, enemyX,enemyY);
    if (move1_v < move2_v){
        return -1;
    }
    else if(move1_v == move2_v){
        return 0;
    }
    else{
        return 1;
    }
}

function filter_forbidden(arr){

}

function in_multi_dimenstion_array(small, big){
    for(var item in big){

        if(big[item][0] == small[0] && big[item][1] == small[1]){
            return true;
        }
    }
    return false;
}