private static void Main()
{
Console.Title = Assembly.GetExecutingAssembly().GetName().Name;
Console.CursorVisible = true;
Console.WriteLine(ConsoleTextBlocks.ShowWelcome("Welcome to Sudoku Solver!"));
Console.WriteLine();
GetAvailableSudokuGrids();
Console.WriteLine();
while (true)
{
SudokuGrid grid;
using (var selectedFile = ConsoleInteractions.ShowListAndSelectItem(USER_ABS_DIR_AVAILABLE_GRIDS,
SudokuGridFile.Extension,
Console.In,
Console.Out))
{
grid = SudokuGrid.FromBinary(selectedFile);
}
Console.WriteLine();
var solvingTask = new Task <bool>(() =>
{
var gridSolver = new SudokuSolvingIterationAssumptionTechnique(grid);
gridSolver.Solve();
gridSolver.ApplySolutionToGrid();
return(gridSolver.SolutionExists);
});
var dottingTaskCTS = new CancellationTokenSource();
var dottingTask = new Task(() => ConsoleTextBlocks.ShowBlinkingDots(dottingTaskCTS.Token, Console.Out));
var outputTask = new Task(() => ShowSolution(grid));
var escapeTask = new Task <bool>(ConsoleInteractions.ShowEscapeQuestion);
var checkingCorrectnessTask = new Task <bool>(grid.CheckCorrectness);
checkingCorrectnessTask.ContinueWith((fin) =>
{
if (fin.Result)
{
solvingTask.Start();
}
else
{
Console.WriteLine(ConsoleTextMessages.IncorrectInitialConfiguration + "\n");
escapeTask.Start();
}
}, TaskContinuationOptions.OnlyOnRanToCompletion);
solvingTask.ContinueWith((fin) => dottingTaskCTS.Cancel(), TaskContinuationOptions.OnlyOnRanToCompletion);
dottingTask.ContinueWith((fin) =>
{
if (solvingTask.Result)
{
outputTask.Start();
}
else
{
Console.WriteLine(ConsoleTextMessages.IncorrectInitialConfiguration + "\n");
escapeTask.Start();
}
}, TaskContinuationOptions.OnlyOnRanToCompletion);
outputTask.ContinueWith((fin) => escapeTask.Start(), TaskContinuationOptions.OnlyOnRanToCompletion);
dottingTask.Start();
checkingCorrectnessTask.Start();
escapeTask.Wait();
if (escapeTask.Result)
{
break;
}
}
}