#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <fcntl.h>
#include <unistd.h>

#include "disk.h"
#include "config.h"

char * label;
int pbwidth = 0;

int tmp1, tmp2, tmp3;

void progressbar_init(char * text)
{
	char * x;

	if (text)
		label = text;
	else
		label = "";

	x = getenv("COLUMNS");
	if (x)
		pbwidth = atoi(x);
	pbwidth -= strlen(label);
	if (pbwidth < 30)
		pbwidth = 30;
	tmp1 = tmp2 = tmp3 = -1;
}

void progressbar_display(float percent, int opt)
{
	int i1, i2, seq;

	seq = (int)(percent*4*10) % 4;
	
	if (tmp1 == (int)percent && tmp2 == opt && tmp3 == seq)
		return;
	tmp1 = (int)percent; tmp2 = opt; tmp3 = seq;
	printf ("%s: %3d%% |", label, (int)percent);
	i1 = (pbwidth-8) * percent / 100;
	for (i2 = 0; i2 < i1; i2++)
		putchar('=');
	if (i2 < pbwidth-8)
		putchar("/|\\-"[seq]);
	for (;i2<pbwidth-8; i2++)
		putchar(' ');
	printf ("|");
	if (opt>=0)
		printf (" %d ", opt);
	printf ("\r"); fflush(stdout);
}

void progressbar_stop(void)
{
	int i2;

	printf ("%s: 100%% |", label);
	for (i2 = 0; i2 <= pbwidth-8; i2++)
		putchar('=');
	puts("|"); fflush(stdout);
}

int yesno(char * prompt)
{
	char tmp[1024];

	while (1) {
		printf("%s (y/n): ", prompt); fflush(stdout);
		fgets(tmp, sizeof(tmp), stdin);
		if (tmp[0] == 'y' || tmp[0] == 'Y')
			return 1;
		if (tmp[0] == 'n' || tmp[0] == 'N')
			return 0;
	}
}