public static bool CheckResults(LottoSelection userSelection, IEnumerable <LottoSelection> generatedSelectionsToCheckAgainst)
{
var jackpot = false;
foreach (var selection in generatedSelectionsToCheckAgainst)
{
var win = selection.Balls[0] == userSelection.Balls[0] &&
selection.Balls[1] == userSelection.Balls[1] &&
selection.Balls[2] == userSelection.Balls[2] &&
selection.Balls[3] == userSelection.Balls[3] &&
selection.Balls[4] == userSelection.Balls[4];
if (win)
{
jackpot = true;
}
selection.MatchedBalls = userSelection.Balls.Select(x => x.Value).Intersect(selection.Balls.Select(y => y.Value)).Count();
selection.MatchedPowerBalls = userSelection.PowerBalls.Select(x => x.Value).Intersect(selection.PowerBalls.Select(y => y.Value)).Count();
}
return(jackpot);
}
static async Task Main(string[] args)
{
var userSelection = new LottoSelection();
var ballSelectionMessage = $"Enter {LottoSelection.BallCount} ball numbers between 1 and 50, separated by a comma, or simply press ENTER key for lucky dip";
var powerBallSelectionMessage = $"Enter {LottoSelection.PowerBallCount} powerball numbers between 1 and 8, separated by a comma";
Console.WriteLine(ballSelectionMessage);
var firstInput = Console.ReadLine();
if (string.IsNullOrWhiteSpace(firstInput))
{
userSelection = LottoSelector.GenerateSelection();
Console.WriteLine(userSelection);
}
else
{
var ballNumbers = Console.ReadLine().Split(',', StringSplitOptions.RemoveEmptyEntries);
while (!InputValidator.TryValidateInput(ballNumbers, LottoSelection.BallCount, 50, out string error))
{
Console.WriteLine(error);
Console.WriteLine(ballSelectionMessage);
ballNumbers = Console.ReadLine().Split(',', StringSplitOptions.RemoveEmptyEntries);
}
userSelection.Balls[0] = int.Parse(ballNumbers[0]);
userSelection.Balls[1] = int.Parse(ballNumbers[1]);
userSelection.Balls[2] = int.Parse(ballNumbers[2]);
userSelection.Balls[3] = int.Parse(ballNumbers[3]);
userSelection.Balls[4] = int.Parse(ballNumbers[4]);
Console.WriteLine(powerBallSelectionMessage);
var powerballNumbers = Console.ReadLine().Split(',', StringSplitOptions.RemoveEmptyEntries);
while (!InputValidator.TryValidateInput(powerballNumbers, 2, 8, out string error))
{
Console.WriteLine(error);
Console.WriteLine(powerBallSelectionMessage);
powerballNumbers = Console.ReadLine().Split(',', StringSplitOptions.RemoveEmptyEntries);
}
userSelection.PowerBalls[0] = int.Parse(powerballNumbers[0]);
userSelection.PowerBalls[1] = int.Parse(powerballNumbers[1]);
}
Console.WriteLine("Now enter the number of attempts you would like to try");
var numOfTimes = Console.ReadLine().Trim();
while (!int.TryParse(numOfTimes, out _))
{
Console.WriteLine("Please enter a whole number. Enter the number of attempts you would like to try");
numOfTimes = Console.ReadLine();
}
var attempts = int.Parse(numOfTimes);
var test = new ResultGenerator();
var results = await test.GenerateResults(attempts);
var win = LottoChecker.CheckResults(userSelection, results);
var winString = win ? "won" : "didn't win";
Console.WriteLine($"Out of {string.Format("{0:n0}", attempts)} attempts, you {winString} the jackpot.");
var stats = StatsBuilder.BuildMatchedStatistics(results);
Console.WriteLine(stats);
Console.Read();
}