#include "math.h"
#include <ncurses.h>
#include <stdlib.h>
#include "ui.h"

const char *uload = "█";


PROGRESS_BAR* new_progress_bar(WINDOW* scr, float total) {
    PROGRESS_BAR *bar = (PROGRESS_BAR*)malloc(sizeof(PROGRESS_BAR));
    bar->scr = scr;
    bar->total = total;
    bar->current = 0;

    int x, y;
    int hx, hy;

    getmaxyx(scr, y, x);

    hx = x/2;
    hy = y/2;

    wmove(scr, hy-1, 0);
    wprintw(scr, uload);

    wmove(scr, hy, hx-4);
    wprintw(scr, "000%%");

    wmove(scr, hy+1, hx);
    wprintw(scr, "%.0f/%.0f", 0.0, total);

    return bar;
}

void bar_step(PROGRESS_BAR* bar, float step){
    bar->current += step;

    int x, y;
    int hx, hy;

    getmaxyx(bar->scr, y, x);

    hx = x/2;
    hy = y/2;

    float total = (bar->current/bar->total);

    wmove(bar->scr, hy-1, 0);
    for (int i = 0; i < ((float)x*total); i++)
        wprintw(bar->scr, uload);

    wmove(bar->scr, hy, hx-4);
    wprintw(bar->scr,"%03.0f%% ", total*100);

    int len = floor(log10(abs((int)bar->total))) + 3;

    wmove(bar->scr, hy+1, hx - len);
    wprintw(bar->scr, "%.0f/%.0f", bar->current, bar->total);


    wmove(bar->scr,0,0);
    wrefresh(bar->scr);
}