var words = ["rainy","snowy","clouds","sun","hail","partycloudy","sleet","foggy","humid","arid"]

var word = pickword();
var answerArray = setupAnswerArray(word);
var remainingLetters = word.length

while(remainingLetters > 0){
	showPlayerProgress(answerArray)
	var guess = getguess()
	if(guess === null){
		break
	} else if (guess.length !==1){
		alert("Please guess a single letter")
	} else{
		var correctguesses = updategamestate(guess, word, answerArray)
		remainingLetters -= correctguesses
	}
}

var pickword = function(){
	 words[Math.floor(Math.random() * words.length)]
}

var setupAnswerArray = function(word){
	var answerArray = []
	for(var i = 0; word.length; i++){
		answerArray[i] = "_"
	}
	return answerArray
}

var showPlayerProgress = function(answerArray){
	alert(answerArray.join(""));
}

var getguess = function(){
	var guess = prompt("Guess a letter, or click cancel to stop")
	if (guess === null){
		break
	} else if (guess.length !===1){
		alert("Please enter a single letter")
	} else {
		updategamestate(guess, word, answerArray)
			}
		}

var updategamestate = function(guess, word, answerArray){
		for(var r; r < word.length; r++){
			if(word[r] === guess ){
				answerArray[r] = guess
				remainingLetters--
}

var showanswerandcongratulateplayer = function(answerArray){
	alert(answerArray.join(""));
}