// this is the springboot class
@Controller
public class SudokuController implements SudokuService {

    // instansvariabel av typen SudokuService och använd dig av @Autowired
    @Autowired
    SudokuService sudokuService;

    // new button GET
    @GetMapping ("/new")
    public void newBoard(){
        System.out.println("newButton 😍😍");
    }

    // reset button GET
    @GetMapping ("/reset")
    public void reset(){
        System.out.println("resetButton");
    }

    // i am calling the implement class and then .solve() to call the logic implemented in the other class!
    // solve button GET
    @GetMapping ("/solve")
    public void solve(){
        sudokuService.solve();
        System.out.println("solveButton");
    }

    //this is in another class
    // sudokuBoard
    @Override
    public boolean solve() {
        System.out.println("inside solve");
        for (int row = 0; row < board.length; row++)
        {
            for (int col = 0; col < board.length; col++)
            {
                if (board[row][col] == 0)
                {
                    for (int n = 1; n <= 9; n++)
                    {
                        if (isLegal(n, row, col))
                        {
                            board[row][col] = n;
                            if (solve())
                                return true;
                            else
                                board[row][col] = 0;
                        }
                    }
                    return false;
                }
            }
        }
        return true;
    }


    // this is in another class where im only allowed to use public void solve
    // so i call the previous class.solve()
    @Override
    public void solve() {
        sudokuBoard.solve();
    }