(function(){
    'use strict';
    var gameHeight = 25, gameWidth = 20;
    var gameArea = new Array(gameHeight),
        isPlayerOne = true;
    var boxes;    

    for(var i = 0; i < gameArea.length; i++){
        gameArea[i] = new Array(gameWidth);
    }
    document.getElementById('content').style.width = (gameArea[0].length*32)+'px';

    function initGame(){
        var content = document.getElementById('content');
        var box, i, j, id = 0;
        for(i = 0; i < gameArea.length; i++){
            for(j = 0; j < gameArea[0].length; j++){
                box = document.createElement('div');
                box.id = id;
                box.className = 'boxes';
                gameArea[i][j] = id;
                content.appendChild(box);
                id++;

            }
        }
        boxes = document.getElementsByClassName("boxes");
        var arr = Array.prototype.slice.call(boxes);
        arr.forEach(function(entry) {
            entry.addEventListener("click", function() { regClick(entry); }, false);
        });
    }
    
    function regClick(e){
        var currBox, i, j, player;
        player = currPlayer();
        currBox = document.getElementById(e.id);
        currBox.style.pointerEvents = "none";
        currBox.innerHTML = player;
        console.log('Clicked box id: ' + currBox.id);
        console.log('Clicked id is on row: ' + getCurrentRow(e));

        // Set the position in gameArea to the current player and check if win
        for(i = 0; i < gameArea.length; i++){
            for(j = 0; j < gameArea[0].length; j++){
                if(gameArea[i][j] == e.id){
                    console.log('GameArea before equals = ' + i + ' ' + j);
                    gameArea[i][j] = player;
                    console.log('GameArea after equals = ' + i + ' ' + j);
                    checkWin(i,j,player);
                }
            }    
        }
    }
    function checkWin(x,y,player){
        console.log('i = '+ x);
        console.log('j = '+ y);
        console.log('Player = ' + player);
    }
    function getCurrentRow(e){
        var currRow = Math.floor(e.id / gameArea[0].length);
        return currRow;
    }
    function currPlayer(){
        var currentPlayer = "";
        if(isPlayerOne){
            currentPlayer = 'X';
            isPlayerOne = false;
        }
        else{
            currentPlayer = 'O';
            isPlayerOne = true;
        }
        return currentPlayer;
    }
    
    initGame();
    console.log('game ready, Player one (X) begins');
})();