private void ProcessCells(IReadOnlyCollection <Cell> cells, IReadOnlyCollection <LineNumber> numbers)
{
var filledCellsCount = cells.Count(x => x.Status == CellStatus.Filled);
var sumOfNumbers = numbers.Sum(x => x.Number);
if (sumOfNumbers != filledCellsCount)
{
return;
}
CellsService.CrossCells(cells.Where(x => x.Status == CellStatus.Empty));
CellsService.ResolveNumbers(numbers);
}
private void CheckAndResolveNumbers(List <Cell> cells, List <LineNumber> numbers, bool fromTheEnd,
bool withResolve = true)
{
if (fromTheEnd)
{
cells.Reverse();
numbers.Reverse();
}
var numberIndex = 0;
for (var i = 0; i < cells.Count - 1; i++)
{
if (cells[i].Status == CellStatus.Empty)
{
break;
}
if (cells[i].Status == CellStatus.Crossed)
{
continue;
}
if (cells[i].Status == CellStatus.Filled)
{
var length = GetLength(cells, i);
var number = numbers.Skip(numberIndex).FirstOrDefault();
if (number?.Number == length)
{
CellsService.FillNumber(cells, number, i, withResolve);
numberIndex++;
}
else
{
break;
}
i += length - 1;
}
}
if (!fromTheEnd)
{
return;
}
cells.Reverse();
numbers.Reverse();
}
