var randButtonId;
var currentPlayer = 1;
var p1score = 0;
var p2score = 0;
function setBoard() {
  var R = randomNumber(0,235);
  var G = randomNumber(0,235);
  var B = randomNumber(0,235);
  var color = rgb(R, G, B);
  setProperty("button1", "background-color", color);
  setProperty("button2", "background-color", color);
  setProperty("button3", "background-color", color);
  setProperty("button4", "background-color", color);
  R = R + 20;
  G = G + 20;
  B = B + 20;
  var diffColor = rgb(R, G, B);
  var randButtonId = "button"+randomNumber(1,4);
  setProperty(randButtonId, "background-color", diffColor);
  console.log("correct one is " + randButtonId);
}
onEvent("button1", "click", function() {
  checkCorrect("button1");
});
onEvent("button2", "click", function() {
  checkCorrect("button2");
});
onEvent("button3", "click", function() {
  checkCorrect("button3");
});
onEvent("button4", "click", function() {
  checkCorrect("button4");
});
setBoard();
function checkCorrect(buttonId) {
  console.log("Checking: " + buttonId);
  if( buttonId == randButtonId ) {
        console.log("You got it right!");
        updateScoreBy(1);
    } else {
        console.log("WRONG");
        updateScoreBy(-3);
    }
  setBoard();
  switchPlayer();
}
function switchPlayer() {
  if(currentPlayer==1) {
    currentPlayer = 2;
    hideElement("player1_highlight");
    showElement("player2_highlight");
  } else {
    currentPlayer = 1;
    hideElement("player2_highlight");
    showElement("player1_highlight");
  }
  console.log("current player is: " + currentPlayer);
}
function updateScoreBy(amt) {
  if (currentPlayer == 1) {
    p1score = p1score + amt;
  } else {
    p2score = p2score + amt;
  }
  console.log("P1 Score: " + p1score);
  console.log("P2 Score: " + p2score);
}