private static IEnumerable <Round> CreateRoundsFrom(IReadOnlyList <Team> participants)
{
var result = new List <Round>();
if (!participants.Any())
{
return(result);
}
//első forduló
var round = new Round(1);
for (var i = 0; i < participants.Count / 2; i++)
{
round.AddFixture(new Fixture(participants[i], participants[(participants.Count - 1) - i]));
}
result.Add(round);
//további fordulók
var numberOfRounds = participants.Count - 1;
var numberofMatchesInOneRound = participants.Count / 2;
var listToShift = participants.Skip(1).ToList();
for (var i = 1; i < numberOfRounds; i++)
{
round = new Round(i + 1);
var shiftedList = ShiftListItems(listToShift, i);
round.AddFixture(new Fixture(participants[0], shiftedList[(shiftedList.Count) - 1]));
for (var j = 1; j < numberofMatchesInOneRound; j++)
{
round.AddFixture(new Fixture(shiftedList[j - 1], shiftedList[(shiftedList.Count) - j - 1]));
}
result.Add(round);
}
return(result);
}