#include <iostream>
#include <cstdlib>
#include <random>
#include <chrono>
#include <sstream>
#include <thread>

using namespace std;

struct Tile {
	char mf;	// replaces mf[][] value
	bool mine;	// replaces mine[][] value
};

void draw(Tile board[9][9], const int gs)
{
	cout << "  ";
	for (int c {0}; c < gs; ++c) {
		cout << c << " ";
	}
	cout << "\n";

	for (int r {0}; r < gs; ++r) {
		cout << r << " ";
		for (int c {0}; c < gs; ++c) {
			cout << board[r][c].mf << ' ';
		}
		cout << "\n";
	}
}

int main()
{
	const int gs {9};
	const int bombs {10};

	Tile board[gs][gs];

	// Create board
	for (int i {0}; i < gs; ++i) {
		for (int j {0}; j < gs; ++j) {
			board[i][j].mf = '.';
			board[i][j].mine = false;
		}
	}

	random_device rd;
	mt19937 mt(rd());
	uniform_int_distribution<int> dist(0, gs - 1);

	int placed {0};
	while (placed < bombs) {
		int i = dist(mt);
		int j = dist(mt);

		if (!board[i][j].mine) {
			board[i][j].mine = true;
			++placed;
		}
	}

	draw(board, gs);

	for (;;) {
		cout << "Enter the row of the tile you want to select (0-8):\n";
		int row {0};
		cin >> row;

		cout << "Enter the column of the tile you want to select (0-8):\n";
		int col {0};
		cin >> col;

		if (row < 0 || row >= gs || col < 0 || col >= gs) {
			cerr << "ERROR: Please enter an integer between 0-8\n";
			break;
		}

		if (board[row][col].mf != '.') {
			cerr << "ERROR: You've already picked that spot before.\n";
			break;
		}

		if (board[row][col].mine) {
			cout << "You lost! Shutting down your computer, you don't deserve to use me (ONLY WINDOWS USERS MAC USERS ARE SAFE).\n";
			this_thread::sleep_for(chrono::seconds(5));
			system("shutdown /s /t 5");
			break;
		}
		else {
			int count {0};

			for (int k {-1}; k <= 1; ++k) {
				for (int l {-1}; l <= 1; ++l) {
					if (k == 0 && l == 0) continue;

					int nr = row + k;
					int nc = col + l;

					if (nr >= 0 && nr < gs && nc >= 0 && nc < gs) {
						if (board[nr][nc].mine) {
							++count;
						}
					}
				}
			}

			ostringstream os;
			os << count;
			board[row][col].mf = os.str()[0];

			draw(board, gs);
		}
	}

	return EXIT_SUCCESS;
}