static void Main(string[] args)
{
List <string> mathOperatorList = new List <string>()
{
"+", "-", "/", "*"
};
while (true)
{
//Output of all available math types the program can run
Console.WriteLine("What kind of math would you like to do?");
foreach (string mathOperator in mathOperatorList)
{
Console.Write($"\"{mathOperator}\" ");
}
//User inputs type of math that is to be used, if its not valid, a reset will be done
var typeOfMath = Console.ReadLine().ToString();
if (!mathOperatorList.Contains(typeOfMath))
{
Console.WriteLine("\nNot a valid input, please try again!\n");
continue;
}
//User inputs numbers that is to be calculated
FaultyInput:
string numberInputOne;
string numberInputTwo;
Console.WriteLine("Input the first number");
numberInputOne = Console.ReadLine();
Console.WriteLine("Input the second number");
numberInputTwo = Console.ReadLine();
if (!Regex.IsMatch(numberInputOne, "^(-?)(0|([1-9][0-9]*))(\\.[0-9]+)?$") || !Regex.IsMatch(numberInputTwo, "^(-?)(0|([1-9][0-9]*))(\\.[0-9]+)?$"))
{
Console.WriteLine($"One or both of you inputs were not valid please try again\nInput one: {numberInputOne}\nInput two: {numberInputTwo}");
goto FaultyInput;
}
double firstNum = Convert.ToDouble(numberInputOne);
Console.WriteLine("Input the second number");
double secondNum = Convert.ToDouble(numberInputTwo);
ICalculationStrategy mathStrategy = new DefaultStrategy();
switch (typeOfMath)
{
case "+":
mathStrategy = new AdditionStrategy();
break;
case "-":
mathStrategy = new SubtractionStrategy();
break;
case "/":
mathStrategy = new DivisionStrategy();
break;
case "*":
mathStrategy = new MultiplicationStrategy();
break;
default:
break;
}
//Inputs are calculated
var calculate = new Calculation(mathStrategy);
Console.WriteLine($"The result is: {calculate.CalculationInterface(firstNum, secondNum)}");
}
}
