private static Tuple<int, int> GetBoundaries(User player, PlayerHistorySample historySample)
{
var fromStrikeValue = 0;
var count = player.Strikes.Count;
int toStrikeValue;
if (IsStrikeCountNull(historySample))
{
fromStrikeValue = GetFromStrikeValue(historySample.FromStrike, count);
toStrikeValue = GetToStrikeValue(historySample.ToStrike, count);
}
else
{
var strikesCount = historySample.StrikesCount;
if (strikesCount == null)
throw new NullReferenceException();
if (strikesCount.Value > 0)
{
fromStrikeValue = GetFromStrikeValue(historySample.FromStrike, count);
toStrikeValue = fromStrikeValue + strikesCount.Value;
}
else if (strikesCount.Value < 0)
{
toStrikeValue = GetToStrikeValue(historySample.ToStrike, count);
fromStrikeValue = toStrikeValue + strikesCount.Value;
}
else
{
if (historySample.ToStrike == null && historySample.FromStrike == null)
{
throw new ArgumentException(
"Количество ударов не может быть равным 0, если явно не задан параметр \"ToStrike\" или \"FromStrike\", ");
}
else if (historySample.ToStrike != null)
{
fromStrikeValue = toStrikeValue = GetToStrikeValue(historySample.ToStrike, count);
}
else
{
fromStrikeValue = toStrikeValue = GetFromStrikeValue(historySample.FromStrike, count);
}
}
}
return new Tuple<int, int>(fromStrikeValue, toStrikeValue);
}
private static bool IsStrikeCountNull(PlayerHistorySample historySample)
{
return historySample.StrikesCount == null;
}
