#include "util.h"
#include <gint/display.h>
#include <gint/keyboard.h>

int
sign(int x)
{
	return (x > 0) - (x < 0);
}

float
absf(float x)
{
	return x * (-1 + 2 * (x > 0));
}

float
minf(float x, float y)
{
	return (x < y) ? (x) : (y);
}

float
maxf(float x, float y)
{
	return (x > y) ? (x) : (y);
}

int
min(int x, int y)
{
	return (x < y) ? (x) : (y);
}

int
max(int x, int y)
{
	return (x > y) ? (x) : (y);
}

void
dputs_outline(int x, int y, int halign, int valign, const char *text)
{
	int rx = 2;
	while (rx-- > -1) {
		int ry = 2;
		while (ry-- > -1) {
			dprint_opt(x + rx, y + ry, C_WHITE, C_NONE, halign,
			           valign, "%s", text);
		}
	}
	dprint_opt(x, y, C_BLACK, C_NONE, halign, valign, "%s", text);
}

int
ask_confirm(char *prompt)
{
	extern volatile int has_ticked;
	dclear(C_BLACK);
	dprint_opt(DWIDTH / 2, DHEIGHT / 2, C_WHITE, C_NONE, DTEXT_CENTER,
	           DTEXT_MIDDLE, "%s? EXE confirm, any other key cancel",
	           prompt);
	dupdate();
	for (;;) {
		const key_event_t e = getkey();
		if (e.type == KEYEV_DOWN) {
			has_ticked = 0;
			return e.key == KEY_EXE;
		}
	}
}