// Name:
// Date:
// Purpose: To play the game Rock-Paper-Scissors

// This line makes the button, btnPlay wait for a mouse click
// When the button is clicked, the determineEligibility function is called
btnPlay.addEventListener(MouseEvent.CLICK, playGame);

// This line makes the button, btnNewGame wait for a mouse click
// When the button is clicked, the newGame function is called
btnNewGame.addEventListener(MouseEvent.CLICK, newGame);

// Declare the global variables
var ties: int = 0;
var wins: int = 0;
var losses: int = 0;

// This is the playGame function
// e:MouseEvent is the click event experienced by the button
// void indicates that the function does not return a value
function playGame(e: MouseEvent): void {
    // declare the variables
    var userThrow: int; // the value of the user's throw. 1-Rock 2-Paper 3-Scissors
    var computerThrow: int; // the value of the computer's throw. 1-Rock 2-Paper 3-Scissors
    var outcome: String; // the outcome of the game

    userThrow = int(radRock.group.selectedData); // get the user's throw
    computerThrow = randomWholeNumber(3, 1); // get the computer's throw
    // Detemine the outcome
    outcome = determineOutcome(userThrow, computerThrow);
    lblOutcome.text = outcome;
    // Update the score
    // write code here to update the wins, losses and ties
    lblScore.text = "Wins: " + wins.toString() + "  Losses: " + losses.toString() + "  Ties: " + ties.toString();
}

// This is the newGame function
// e:MouseEvent is the click event experienced by the button
// void indicates that the function does not return a value
function newGame(e: MouseEvent): void {
    lblScore.text = "Wins: " + "" + "  Losses: " + "" + "  Ties: " + ""
}

// This is function randomWholeNumber
// highNumber – the maximum value desired
// lowNumber – the minimum value desired
// returns – a random whole number from highNumber to lowNumber inclusive
function randomWholeNumber(highNumber: int, lowNumber: int): int {
    return Math.floor((highNumber - lowNumber + 1) * Math.random() + lowNumber);
}

// This is function determineOutcome.
// It determines the outcome of the game.
// u - the user's throw value
// c - the computer's throw value
// returns - a string with a message of the outcome
function determineOutcome(u: int, c: int): String {
    if (u == 1 && c == 1) {
        ties++;
        return "Both you and the computer threw a Rock. You tie.";
    }
    if (u == 1 && c == 2) {
        losses++;
        return "The computer threw a Paper that covers your Rock. You lose.";
    }
    if (u == 1 && c == 3) {
        wins++;
        return "The computer threw a Scissors and your Rock smashes it. You win";
    }
    if (u == 2 && c == 1) {
        wins++;
        return "The computer threw a Rock and your Paper covers it";
    }
    if (u == 2 && c == 2) {
        ties++;
        return "Both you and the computer threw a Paper. You tie."
    }
    if (u == 2 && c == 3) {
        losses++;
        return "The computer threw a Scissors that cuts your Paper. You lose.";
    }
    if (u == 3 && c == 1) {
        losses++;
        return "The computer threw a Rock that smashes your Scissors. You lose.";
    }
    if (u == 3 && c == 2) {
        wins++;
        return "The computer threw a Paper and your Scissors cuts it. You win.";
    }
    if (u == 3 && c == 3) {
        ties++;
        return "Both you and the computer threw a Scissors. You tie.";
    }
}