/// <summary>
/// Calculations the specified user input.
/// </summary>
/// <param name="userInput">The user input.</param>
/// <returns>Winner or Loser.</returns>
public string Calculation(DifferentOptionTypes userInput)
{
var pcInput = this.ComputerChoice();
Console.WriteLine($"Computer : '{pcInput}' | You: '{userInput}'");
// Scissors Check.
if (pcInput == DifferentOptionTypes.Scissors && userInput == DifferentOptionTypes.Paper)
{
return("You lost!");
}
else if (pcInput == DifferentOptionTypes.Scissors && userInput == DifferentOptionTypes.Rock)
{
this.CounterWins++;
return("You won!");
}
// Paper Check.
if (pcInput == DifferentOptionTypes.Paper && userInput == DifferentOptionTypes.Scissors)
{
this.CounterWins++;
return("You won!");
}
else if (pcInput == DifferentOptionTypes.Paper && userInput == DifferentOptionTypes.Rock)
{
return("You lost!");
}
// Rock Check.
if (pcInput == DifferentOptionTypes.Rock && userInput == DifferentOptionTypes.Paper)
{
this.CounterWins++;
return("You won!");
}
else if (pcInput == DifferentOptionTypes.Rock && userInput == DifferentOptionTypes.Scissors)
{
return("You lost!");
}
return("Draw");
}
/// <summary>
/// The computer chooses a number.
/// </summary>
/// <returns>Result of Computer.</returns>
private DifferentOptionTypes ComputerChoice()
{
// Generate random Number with the help of cryptography.
// https://docs.microsoft.com/de-de/dotnet/api/system.security.cryptography.randomnumbergenerator?view=net-5.0
var randomNumber = System.Security.Cryptography.RandomNumberGenerator.GetInt32(0, 3);
// Add the generated number into List.
this.pickedNumberList.Add(randomNumber);
int tempNumber = 0;
// Generate a new number only after two existing numbers.
if (this.pickedNumberList.Count > 1)
{
// Get last number.
tempNumber = this.pickedNumberList[1];
this.pickedNumberList.Clear();
// if the third number is the same as the last, then generate a new one again.
while (tempNumber == randomNumber)
{
randomNumber = System.Security.Cryptography.RandomNumberGenerator.GetInt32(0, 3);
}
}
// Go through the enum and output the selected type.
foreach (int type in Enum.GetValues(typeof(DifferentOptionTypes)))
{
if (type == randomNumber)
{
this.Type = (DifferentOptionTypes)type;
break;
}
}
return(this.Type);
}
