//Created by: Andy Chen
//Date: 22/07/18
//Purpose: A flash game where user tries to guess a random computer generated number within a user specified range.

import flash.events.MouseEvent;

btnCheck.addEventListener(MouseEvent.CLICK, checkGuess);

btnNewGame.addEventListener(MouseEvent.CLICK, resetGame);

//Declare Global Variables
var guessNum : Number; // number of guesses

guessNum = 0 ; // set initial value of 0

function checkGuess(e:MouseEvent):void {
    //declare variables
    var lowNum : int; // user inputted low value of range
    var highNum : int ; // user inputted high value of range
    var guess : int ; // user inputted guess
    var winNum : int ; // computer generated winning number
    var outcome : String; // message indicating if number guessed is correct, too high, or too low.

    //Assign variable values
    lowNum = int(txtinLow) ; // get low number from user
    highNum = int(txtinHigh) ; // get high number from user
    guess = int(txtinGuess); // get guess from user
    winNum = randomWholeNumber(highNum, lowNum) ; // get computer generated winning number

    //Determine the outcome based on user inputted guess and computer generated winning number
    outcome = determineOutcome(guess, winNum);

    //Add outcome message to final result label
    lblResult.text = "You have guessed " + outcome ;

    //Updates guess counter
    lblCounter.text = guessNum.toString();
}

function resetGame(MouseEvent):void {
    lblCounter.text = ""
    lblResult.text = ""
}

//Generates a random number based on user inputted low value of the range (low) and high value of the range (high).
function randomWholeNumber(high:int, low:int):int {
    return Math.floor((high - low + 1) * Math.random() + low);
}

//Determines outcome based on user guess (g) and winning number (w)
function determineOutcome(g:int, w:int):String {
    if (g < w) {
        guessNum ++;
        return "too low.";
    }
    else if (g > w) {
        guessNum ++;
        return "too high.";
    }
    else {
        guessNum++;
        return "correctly. YOU WIN!!";
    }
}