public List <DisplayTeam> FairTeams(IEnumerable <Guid> selectedPlayers)
{
random = new Random();
var selectedPlayersList = selectedPlayers.ToList();
var shuffled = selectedPlayers;
if (selectedPlayers.Count() < 4)
{
return(new List <DisplayTeam>());
}
if (selectedPlayers.Count() > 4)
{
shuffled = Shuffle(selectedPlayers);
}
var matchup = new List <DisplayTeam>();
var minDifference = 10000;
var minPerm = Enumerable.Empty <Guid>();
foreach (var perm in permute4(shuffled))
{
var blueTeam = teams.FirstOrDefault(t => (t.DefenseID == perm[0]) && (t.OffenseID == perm[1]));
var redTeam = teams.FirstOrDefault(t => (t.DefenseID == perm[2]) && (t.OffenseID == perm[3]));
if ((blueTeam == null))
{
blueTeam = new DisplayTeam
{
DefenseName = playerRetriever.GuidToName(perm[0]),
OffenseName = playerRetriever.GuidToName(perm[1]),
Rank = ELO.EloHandler.StartingScore
};
}
if ((redTeam == null))
{
redTeam = new DisplayTeam
{
DefenseName = playerRetriever.GuidToName(perm[2]),
OffenseName = playerRetriever.GuidToName(perm[3]),
Rank = ELO.EloHandler.StartingScore
};
}
var difference = Math.Abs(blueTeam.Rank + 100 - redTeam.Rank); //Blue Team with blue advantage minus redd rank
if (difference < minDifference)
{
minDifference = difference;
matchup = new List <DisplayTeam> {
blueTeam, redTeam
};
minPerm = perm;
}
}
if (minDifference == 10000)
{
return(new List <DisplayTeam>());
}
foreach (var id in minPerm)
{
selectedPlayersList.Remove(id);
}
foreach (var id in selectedPlayersList)
{
matchup.Add(new DisplayTeam {
DefenseName = playerRetriever.GuidToName(id)
});
}
return(matchup);
}
