public override string Solve(Bomb bomb)
{
var totalAmount = 0.0;
foreach (var item in ItemsBought)
{
switch (Day)
{
case "sunday":
{
if (item.BuyPerPound)
{
totalAmount += Math.Round(item.OneUnitPrice * item.Quantity, 2);
}
else if (item.Name.Contains('s'))
{
totalAmount += Math.Round(item.OneUnitPrice * item.Quantity, 2) + 2.15;
}
break;
}
case "monday":
{
if (ItemsBought.FindIndex(x => x == item) == 0 || ItemsBought.FindIndex(x => x == item) == 2 || ItemsBought.FindIndex(x => x == item) == 5)
{
totalAmount += Math.Round(item.OneUnitPrice * item.Quantity * 0.85, 2);
}
else
{
totalAmount += Math.Round(item.OneUnitPrice * item.Quantity, 2);
}
break;
}
case "tuesday":
{
if (item.BuyPerPound)
{
totalAmount += totalAmount += Math.Round(item.OneUnitPrice * item.Quantity, 2);
}
totalAmount += Math.Round(item.OneUnitPrice * item.Quantity, 2) + InternalFunctions.DigitalRoot(item.OneUnitPrice);
break;
}
case "wednesday":
{
var largestDigit = item.OneUnitPrice.ToString().Replace(".", "").AsEnumerable().ToList().OrderBy(x => x).First();
var smallestDigit = item.OneUnitPrice.ToString().Replace(".", "").AsEnumerable().ToList().OrderBy(x => x).Last();
item.OneUnitPrice = double.Parse(item.OneUnitPrice.ToString().Replace(largestDigit, smallestDigit), CultureInfo.InvariantCulture);
totalAmount += Math.Round(item.OneUnitPrice * item.Quantity, 2);
break;
}
case "thursday":
{
if (ItemsBought.FindIndex(x => x == item) % 2 == 0)
{
totalAmount += Math.Round(item.OneUnitPrice * item.Quantity * 0.5, 2);
}
else
{
totalAmount += Math.Round(item.OneUnitPrice * item.Quantity, 2);
}
break;
}
case "friday":
{
if (item.Category == "fruit")
{
totalAmount += Math.Round(item.OneUnitPrice * item.Quantity * 1.25, 2);
}
else
{
totalAmount += Math.Round(item.OneUnitPrice * item.Quantity, 2);
}
break;
}
case "saturday":
{
if (item.Category == "sweet")
{
totalAmount += Math.Round(item.OneUnitPrice * item.Quantity * 0.65, 2);
}
else
{
totalAmount += Math.Round(item.OneUnitPrice * item.Quantity, 2);
}
break;
}
default: break;
}
}
Solved = true;
if (totalAmount > ValuePaid)
{
var message = "The amount of the cart is ";
var dollars = totalAmount.ToString().Split(',')[0];
message += dollars == "1" ? dollars + " dollar" : dollars + " dollars";
var cents = totalAmount.ToString().Split(',')[1];
if (cents == "0")
{
return(message + ".");
}
message += " and ";
message += cents == "01" ? "1 cent." : (int.Parse(cents) + " cents.");
return(message);
}
else
{
totalAmount = Math.Round(ValuePaid - totalAmount, 2);
var message = "Return ";
var dollars = totalAmount.ToString().Split(',')[0];
message += dollars == "1" ? dollars + " dollar" : dollars + " dollars";
var cents = totalAmount.ToString().Split(',')[1];
if (cents == "00")
{
return(message + ".");
}
message += " and ";
message += cents == "01" ? "1 cent." : (int.Parse(cents) + " cents.");
return(message);
}
}
