private static bool RowCompleteCheck(GridSquareScript[] gridSquares, int row)
{
int[] rowSquares = GridMaths.GridRowIndices(row);
int[] numbers = GridsAtIndexes(rowSquares, gridSquares).Where(x => x.Number > 0).Select(x => x.Number).Distinct().ToArray();
print($"Row check - Numbers count: {numbers.Length} => {string.Join(",", numbers)}");
return(numbers.Length == 9);
}
private static bool CheckSeveralMissingRow(GridSquareScript selection, GridSquareScript[] gridSquares)
{
int row = GridMaths.RowForSquare(selection.Index);
GridSquareScript[] emptyRowSquares = EmptyGridsAtIndexes(GridMaths.GridRowIndices(row), gridSquares, selection);
int[] emptyIndices = emptyRowSquares.Select(x => x.Index).Distinct().ToArray();
int[] bigSquareIndices = emptyIndices.Select(x => GridMaths.BigSquareForSquare(x)).Distinct().ToArray();
List <int> usableSquares = new List <int>();
for (int i = 0; i < bigSquareIndices.Length; i++)
{
int box = bigSquareIndices[i];
if (!DoesBigSquareContainNumber(box, selection, gridSquares))
{
int[] checks = emptyIndices.Intersect(GridMaths.GridRowInSquare(row, box)).ToArray();
if (checks.Length > 0)
{
usableSquares.AddRange(checks);
}
}
}
if (usableSquares.Count > 0)
{
return(usableSquares.All(x => DoesColumnContainNumber(GridMaths.ColumnForSquare(x), selection, gridSquares)));
}
return(true);
}
private static int[] ExistingNumbersInRow(GridSquareScript[] gridSquares, int row)
{
int[] allNumbers = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
GridSquareScript[] rowData = GridsAtIndexes(GridMaths.GridRowIndices(row), gridSquares);
int[] remaining = allNumbers.Intersect(rowData.Where(x => x.Number != 0 && !x.IsTarget).Select(s => s.Number)).ToArray();
print($"ROW {row} existing numbers: {string.Join(",", remaining)}");
return(remaining);
}
////TODO - NEEDED?
private static int[] MissingNumbersInRow(GridSquareScript[] gridSquares, int row)
{
int[] allNumbers = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
GridSquareScript[] rowData = GridsAtIndexes(GridMaths.GridRowIndices(row), gridSquares);
int[] remaining = allNumbers.Except(rowData.Select(s => s.Number).Where(x => x != 0)).ToArray();
print($"ROW remaining numbers: {string.Join(",", remaining)}");
return(remaining);
}
public void HighlightRow(int index)
{
int row = GridMaths.RowForSquare(index);
int[] rowSquares = GridMaths.GridRowIndices(row);
for (int i = 0; i < rowSquares.Length; i++)
{
gridSquares[rowSquares[i]].HighlightSquare(index);
}
}
private static bool DoesRowContainNumber(int row, GridSquareScript selection, GridSquareScript[] gridSquares)
{
GridSquareScript[] rowSquares = GridsAtIndexes(GridMaths.GridRowIndices(row), gridSquares);
return(rowSquares.Any(x => x.Number == selection.Number && !x.IsTarget));//&& x.Index != selection.Index);
}