public string Statement(Invoice invoice, PlayLists plays)
{
double totalAmount = 0.0;
double volumeCredits = 0.0;
string result = $"Statement for ${ invoice.Customer.Name}\n";
// Gets a NumberFormatInfo associated with the en-US culture.
NumberFormatInfo nfi = new CultureInfo("en-US", false).NumberFormat;
string currencyFormat = "C";
//const format = new Intl.NumberFormat("enUS", style: "currency", currency: "USD", minimumFractionDigits: 2 }).format;
foreach (var perf in invoice.performances)
{
//var play = this.plays[perf.playID];
//double thisAmount = 0;
//thisAmount = AmountFor(perf);
//// add volume credits
//volumeCredits += Math.Max(perf.audience - 30, 0);
//// add extra credit for every ten comedy attendees
//if ("comedy" == PlayFor(perf).Type) volumeCredits += Math.Floor(perf.audience / 5.0);
volumeCredits += VolumeCreditFor(perf);
// print line for this order
result += $"{PlayFor(perf).Name}: $({Format(AmountFor(perf) / 100)} (${perf.audience} seats)\n";
totalAmount += AmountFor(perf);
}
result += $"Amount owed is ${Format((totalAmount/100))}\n";
result += $"You earned ${volumeCredits} credits\n";
return(result);
}
public Invoice()
{
plays = new PlayLists();
}