#include <stdio.h>
#include <stdlib.h>
char cPlayfield[3][3] = {
    {' ', ' ', ' '},
    {' ', ' ', ' '},
    {' ', ' ', ' '}};

char *ptrPlayfield;
char currentUser;

int running = 1;
int counter = 1;

void renderPlayfield();
void getUserInput();
void checkForWin();

int main()
{
  while (running == 1)
  {
    renderPlayfield();
    currentUser = counter++ % 2 == 1 ? 'X' : 'O';
    getUserInput();
    checkForWin();
  }
  return 0;
}

void renderPlayfield()
{
#ifdef WIN32
  system("cls");
#endif

#ifdef linux
  system("clear");
#endif

  printf("  | 1 | 2 | 3 |\n");
  printf("---------------\n");
  for (int i = 0; i < 3; i++)
  {
    printf("%d | ", i + 1);
    for (int j = 0; j < 3; j++)
    {
      ptrPlayfield = &cPlayfield[i][j];
      printf("%c | ", *ptrPlayfield);
    }
    printf("\n---------------\n");
  }
}

void getUserInput()
{
  int currentCol = 0;
  int currentRow = 0;
  printf("\nCurrent Player: %c\n", currentUser);
  printf("Row and Colum: ");
  scanf("%d %d", &currentRow, &currentCol);

  if (currentRow < 1 || currentRow > 3 || currentCol < 1 || currentCol > 3)
  {
    printf("Your Input is out of Range. Use only numbers 1, 2 or 3. \n");
    return getUserInput();
  }
  else
  {
    cPlayfield[currentRow - 1][currentCol - 1] = currentUser;
  }
  return;
}

void checkForWin()
{
  for (int i = 0; i < 3; i++)
  {
    if (cPlayfield[i][0] == cPlayfield[i][1] && cPlayfield[i][1] == cPlayfield[i][2] && cPlayfield[i][2] != ' ')
    {
      running = 0;
      renderPlayfield();
      printf("The winner is: %c\n", cPlayfield[i][0]);
      return;
    }

    if (cPlayfield[0][i] == cPlayfield[1][i] && cPlayfield[1][i] == cPlayfield[2][i] && cPlayfield[2][i] != ' ')
    {
      running = 0;
      renderPlayfield();
      printf("The winner is: %c\n", cPlayfield[0][i]);
      return;
    }
  }
  if (cPlayfield[0][0] == cPlayfield[1][1] && cPlayfield[1][1] == cPlayfield[2][2] && cPlayfield[2][2] != ' ')
  {
    running = 0;
    renderPlayfield();
    printf("The winner is %c\n", cPlayfield[0][0]);
    return;
  }

  if (cPlayfield[0][2] == cPlayfield[1][1] && cPlayfield[1][1] == cPlayfield[2][0] && cPlayfield[2][0] != ' ')
  {
    running = 0;
    renderPlayfield();
    printf("The winner is %d\n", cPlayfield[0][2]);
    return;
  }
}