#include <cmath>
#include <ncurses.h>
#include <string>
#include <unistd.h>
#include <vector>

using namespace std;


class Board
{
    private:
        int width, height;
        int cur_x, cur_y;
        WINDOW *win;
        int n_bomb;

        void init_board();
        int pos_to_index(int x, int y);
        int check_neighbours(int x, int y);
        void clear_cursor();
        void draw_cursor();
        void print_char(int c, int x, int y);
        void draw_cell(int x, int y);

    public:
        Board(int width, int height, WINDOW *win);
        void draw_board();
        int open_cell();
        int place_flag();
        void move_cursor(int x_off, int y_off);

        WINDOW *get_win() { return win; };
};


Board::Board(int w, int h, WINDOW *win)
{
    this->width = w;
    this->height = h;
    this->win = win;
    this->cur_x = 0;
    this->cur_y = 0;

    init_board();
    draw_board();
    draw_cursor();
    wrefresh(win);
}

void Board::init_board()
{

}

int Board::pos_to_index(int x, int y)
{
    return (width * y) + x;
}

int Board::check_neighbours(int x, int y)
{
    return 0;
}

void Board::clear_cursor()
{
    draw_cell(cur_x, cur_y);
}

void Board::draw_cursor()
{
    print_char('[', cur_x*3, cur_y);
    print_char(']', cur_x*3 + 2, cur_y);
}

void Board::print_char(int c, int x, int y)
{
    wmove(win, y, x);
    waddch(win, c);
}

void Board::draw_cell(int x, int y)
{
    print_char(' ', x*3, y);
    print_char(' ', x*3 + 2, y);
}

void Board::draw_board()
{
    for (int y = 0; y < height; y++)
    {
        for (int x = 0; x < width; x++)
        {
            //draw_cell(x, y);
            //wrefresh(win);
            //sleep(0.01);
        }
    }
}

int Board::open_cell()
{
    print_char('k', cur_x*3 + 1, cur_y);
}

void Board::move_cursor(int x_off, int y_off)
{
    clear_cursor();

    int new_x = cur_x + x_off;
    int new_y = cur_y + y_off;

    if (new_x >= 0 && new_x < width)
        cur_x = new_x;
    if (new_y >= 0 && new_y < height)
        cur_y = new_y;

    draw_cursor();
    wrefresh(win);
}