private static Dictionary <IAccount, List <SimulationResultItem> > RunInternal(SimulationSetup setup, Profile profile)
{
var state = new SimulationState(profile, setup);
var start = setup.Start.Date;
var end = setup.End.Date;
for (DateTime date = start; date <= end; date = date.AddDays(1))
{
// before anything else, make sure we do the events
var events = state.Events[date];
foreach (var item in events)
{
ProcessEvent(state, date, item);
}
// if it is the end of the month, then interest hits
if (date.IsEndOfMonth())
{
foreach (var account in state.GetAccounts())
{
account.ProcessInterest(state, date);
}
}
// deposit any paychecks
var paychecks = state.Paychecks.Values.Where(p => p.Due.Current == date);
foreach (var paycheck in paychecks)
{
paycheck.Process(state, date);
paycheck.Due.Next();
}
// pay the bills
var bills = state.Bills.Values.Where(b => b.Due.Current == date);
foreach (var bill in bills)
{
bill.Process(state, date);
bill.Due.Next();
}
// pay the debts
var debts = state.Debts.Values.Where(d => d.Due.Current == date);
foreach (var debt in debts)
{
debt.Process(state, date);
debt.Due.Next();
}
// process the transactions
var transactions = state.Transactions.Values.Where(t => t.Due.Current == date);
foreach (var transaction in transactions)
{
transaction.Process(state, date);
transaction.Due.Next();
}
// if we get here and a debt has a zero balance, then it is paid off
foreach (var debt in state.Debts.Values)
{
if (debt.Balance <= 0)
{
state.PayOff(date, debt);
}
}
// if needed, update the snowball
state.UpdateSnowball(date);
// quit if we need to
if (!state.ShouldKeepGoing())
{
break;
}
}
return(state.Results);
}
public abstract void Deposit(SimulationState state, DateTime date, decimal amount);
public abstract void Withdraw(SimulationState state, DateTime date, decimal amount);
public override void Deposit(SimulationState state, DateTime date, decimal amount) => Balance += amount;
public abstract void ProcessInterest(SimulationState state, DateTime date);
public override void Withdraw(SimulationState state, DateTime date, decimal amount) => Balance += amount;
public void Process(SimulationState state, DateTime date)
{
state.Withdraw(date, FromId, Name, Amount);
state.Deposit(date, ToId, Name, Amount);
}
public void Process(SimulationState state, DateTime date)
{
state.Withdraw(date, AccountId, Name, Payment);
}
private static void WithdrawDelegate(SimulationAccount account, SimulationState state, DateTime date, decimal amount) => account.Withdraw(state, date, amount);
private static void DepositDelegate(SimulationAccount account, SimulationState state, DateTime date, decimal amount) => account.Deposit(state, date, amount);