public void Seed(IEnumerable <int> input)
{
int j = 0;
foreach (var i in input)
{
NumbersSpoken = NumbersSpoken.Concat(new int[] { i }).ToArray();
Numbers.Add(new Number {
Value = i, PreviouslySpoken = new int[] { j++ }
});
}
}
public int GetNextNumber()
{
var lastNumberSpoken = NumbersSpoken[NumbersSpoken.Length - 1];
var numberInfo = Numbers.First(x => x.Value == lastNumberSpoken);
int newNumber;
if (numberInfo.IsNew)
{
newNumber = 0;
}
else
{
newNumber = numberInfo.PreviouslySpoken[1] - numberInfo.PreviouslySpoken[0];
}
if (!Numbers.Any(x => x.Value == newNumber))
{
var number = new Number {
Value = newNumber
};
number.PreviouslySpoken = new int[] { NumbersSpoken.Length };
Numbers.Add(number);
}
else
{
//Numbers.First(x => x.Value == newNumber).IsNew = false;
var number = Numbers.First(x => x.Value == newNumber);
if (number.PreviouslySpoken.Length == 2)
{
number.PreviouslySpoken[0] = number.PreviouslySpoken[1];
number.PreviouslySpoken[1] = NumbersSpoken.Length;
}
if (number.PreviouslySpoken.Length == 1)
{
number.PreviouslySpoken = number.PreviouslySpoken.Concat(new int[] { NumbersSpoken.Length }).ToArray();
}
}
NumbersSpoken = NumbersSpoken.Concat(new int[] { newNumber }).ToArray();
return(newNumber);
}
