static int[] findSignatureCounts(int[] masterPassItToStudent)
{
if (masterPassItToStudent == null || masterPassItToStudent.Length == 0)
{
throw new ArgumentException("Invalid Parameter");
}
IGameBuilder gameBuilder = new GameBuilder();
Dictionary <IIdentifier, IParticipant> studentDictionary = new Dictionary <IIdentifier, IParticipant>(masterPassItToStudent.Length);
List <int> signCount = new List <int>(masterPassItToStudent.Length);
int[] passItToStudent = masterPassItToStudent;
int nonParticpantCount;
do
{
List <int> nextPassItToStudent = new List <int>(passItToStudent.Length);
signCount.Clear();
nonParticpantCount = 0;
for (int index = 0; index < passItToStudent.Length; index++)
{
IIdentifier studentIdentifierPassFrom = gameBuilder.CreateIdentifier(index + 1);
IIdentifier studentIdentifierPassTo = gameBuilder.CreateIdentifier(passItToStudent[index]);
if (Convert.ToInt32(studentIdentifierPassTo.GetIdentifier()) < 1)
{
throw new Exception("Value less than zero not allowed.");
}
//If new Student then add to dictionary and sign their yearbook
IParticipant studentPassFrom = GetOrAddParticipantIfMissing(gameBuilder, studentDictionary, studentIdentifierPassFrom); //If new Student then add to dictionary and sign their yearbook
IParticipant studentPassTo = GetOrAddParticipantIfMissing(gameBuilder, studentDictionary, studentIdentifierPassTo);
if (!studentPassFrom.Equals(studentPassTo))
{
IYearBook yearBook = studentPassFrom.PassYearBook();
studentPassTo.RecieveYearBook(yearBook);
}
else
{
studentPassFrom.NoLongerAllowedToParticipate();
}
nextPassItToStudent.Add(masterPassItToStudent[passItToStudent[index] - 1]);
}
for (int index = 0; index < passItToStudent.Length; index++)
{
IIdentifier studentIdentifier = gameBuilder.CreateIdentifier(index + 1);
IParticipant student = studentDictionary[studentIdentifier];
student.Sign();
signCount.Add(student.GetMyYearBook().GetSignedStudents().Count);
if (!student.IsParticipant())
{
nonParticpantCount++;
}
}
passItToStudent = nextPassItToStudent.ToArray();
} while (nonParticpantCount != masterPassItToStudent.Length);
return(signCount.ToArray());
}