public string ParseParcel(string[] dimensionsAndWeight)
{
try
{
var parcel = parcelFactory.CreateParcel(dimensionsAndWeight);
if (weighingService.IsOverMaxWeight(parcel))
{
var maxWeight = weighingService.GetMaxWeight();
return($"Parcels heavier than {maxWeight}kg cannot be shipped.");
}
if (pricingService.IsOverMaxSize(parcel))
{
return(GetOverMaxSizeMessage());
}
var cost = pricingService.CalculateShippingCost(parcel);
if (cost == null)
{
return(GetOverMaxSizeMessage());
}
return($"Cost to ship parcel: ${cost.Value.ToString("#,0.00")}");
}
catch (InvalidNumberOfArgumentsException)
{
return("Please enter all three dimensions of the parcel and its weight.\n" +
"Usage: dotnet run <length> <breadth> <height> <weight>");
}
catch (InvalidArgumentTypeException)
{
return("Please enter only numeric values.");
}
catch (InvalidArgumentValueException)
{
return("Please enter values greater than 0.");
}
}