//ip format
//3 A
//5 B
//1 C
//1 D
static void Main(string[] args)
{
string ip = string.Empty;
List <string> ipList = new List <string>();
while (!string.IsNullOrWhiteSpace(ip = Console.ReadLine()))
{
ipList.Add(ip.Trim().ToUpper());
}
PromotionEngine obj = new PromotionEngine();
SKUModel sKUModelObj = obj.MapToSKU(ipList);
if (sKUModelObj.ErrorMessage != null && sKUModelObj.ErrorMessage.Count != 0)
{
foreach (var item in sKUModelObj.ErrorMessage)
{
Console.WriteLine(item);
}
}
else
{
Console.WriteLine("Total: " + obj.CalculateInvoice(sKUModelObj));
}
Console.ReadLine();
}
// Calculate Total Amount
public long CalculateInvoice(SKUModel sKUModelObj)
{
// 3 of A's for 130
int aPromotionCount = sKUModelObj.QuatityOfA / 3;
int aTotalAmount = (130 * aPromotionCount) + (50 * (sKUModelObj.QuatityOfA % 3));
// 2 of B's for 45
int bPromotionCount = sKUModelObj.QuatityOfB / 2;
int bTotalAmount = (45 * bPromotionCount) + (30 * (sKUModelObj.QuatityOfB % 2));
// C & D for 30
int cdPromotionCount = (sKUModelObj.QuatityOfC < sKUModelObj.QuatityOfD) ? sKUModelObj.QuatityOfC : sKUModelObj.QuatityOfD;
int cdTotalAmount = (cdPromotionCount * 30);
// C individual price 20
int cTotalAmount = (sKUModelObj.QuatityOfC - cdPromotionCount) * 20;
// D individual price 15
int dTotalAmount = (sKUModelObj.QuatityOfD - cdPromotionCount) * 15;
long totalAmount = aTotalAmount + bTotalAmount + cdTotalAmount + cTotalAmount + dTotalAmount;
return(totalAmount);
}
// Parse and Validate Input
public SKUModel MapToSKU(List <string> ip)
{
SKUModel sKUModelObj = new SKUModel();
sKUModelObj.ErrorMessage = new List <string>();
if (ip == null || ip.Count == 0)
{
sKUModelObj.ErrorMessage.Add("Invalid Input ! Please Enter a Valid Input");
return(sKUModelObj);
}
else
{
foreach (var item in ip)
{
string[] SKU = item.Split(" ");
int quantity = 0;
if (SKU.Length != 2)
{
sKUModelObj.ErrorMessage.Add("Invalid Input ! Please Enter a Valid Input");
continue;
}
switch (SKU[1])
{
case "A":
{
if (int.TryParse(SKU[0], out quantity))
{
sKUModelObj.QuatityOfA = quantity;
}
else
{
sKUModelObj.ErrorMessage.Add("Invalid Input Count for A");
}
}
break;
case "B":
{
if (int.TryParse(SKU[0], out quantity))
{
sKUModelObj.QuatityOfB = quantity;
}
else
{
sKUModelObj.ErrorMessage.Add("Invalid Input Count for B");
}
}
break;
case "C":
{
if (int.TryParse(SKU[0], out quantity))
{
sKUModelObj.QuatityOfC = quantity;
}
else
{
sKUModelObj.ErrorMessage.Add("Invalid Input Count for C");
}
}
break;
case "D":
{
if (int.TryParse(SKU[0], out quantity))
{
sKUModelObj.QuatityOfD = quantity;
}
else
{
sKUModelObj.ErrorMessage.Add("Invalid Input Count for D");
}
}
break;
default:
{
sKUModelObj.ErrorMessage.Add("Invalid Input ! Please Enter a Valid Input");
}
break;
}
}
}
return(sKUModelObj);
}