#include "CursesObj.h"
#include "curses.h"

CursesObj::CursesObj() {
    //  Colours 0 to 7 are defined by curses. But we need grey as well
    //  Define a suitable constant here (and create the colour later)
    const int COLOR_GREY = 8;

    initscr(); /* initialize the curses library */
    nonl();    /* tell curses not to do NL->CR/NL on output */
    cbreak();  /* take input chars one at a time, no wait for \n */
    nodelay(stdscr, FALSE);
    noecho(); /* echo input - in color */
    curs_set(0);
    intrflush(stdscr, FALSE);

    if (has_colors()) {
        start_color();

        /*
         * Simple color assignment, often all we need.  Color pair 0 cannot
         * be redefined.  This example uses the same value for the color
         * pair as for the foreground color, though of course that is not
         * necessary:
         */
        init_pair(1, COLOR_RED, COLOR_BLACK);
        init_pair(2, COLOR_GREEN, COLOR_BLACK);
        init_pair(3, COLOR_YELLOW, COLOR_BLACK);
        init_pair(4, COLOR_BLUE, COLOR_BLACK);
        init_pair(5, COLOR_CYAN, COLOR_BLACK);
        init_pair(6, COLOR_MAGENTA, COLOR_BLACK);
        init_pair(7, COLOR_WHITE, COLOR_BLACK);

        //  Create 'grey' and then use it as foreground colour
        init_color(8, 1, 333, 333);

        init_pair(8, COLOR_GREY, COLOR_BLACK);
    }
}

CursesObj::~CursesObj() {
    clear();
    refresh();
    endwin();
}

CursesObj &CursesObj::Instance() {
    static CursesObj instance;

    return instance;
}