#include "input.h"
#include <gint/keyboard.h>

static struct Input input;
static const int default_map[K_COUNT] = {
    KEY_LEFT,  KEY_RIGHT, KEY_UP, KEY_DOWN, KEY_SHIFT,
    KEY_ALPHA, KEY_EXIT,  KEY_F3, KEY_F2,   KEY_F1};

void
input_init(void)
{

	int i = K_COUNT;
	while (i-- > 0) {
		input.keys[i] = default_map[i];
		input.states[i] = KS_UP;
	}
}

void
input_update(void)
{
	int i = K_COUNT;
	clearevents();
	while (i-- > 0) {
		const int kdown = keydown(input.keys[i]);
		input.states[i] = (input.states[i] == KS_UP)
		                      ? (kdown ? KS_PRESS : KS_UP)
		                      : (kdown ? KS_DOWN : KS_UP);
	}
}

int
input_down(enum Key k)
{
	return input.states[k] != KS_UP;
}

int
input_pressed(enum Key k)
{
	return input.states[k] == KS_PRESS;
}

int
input_up(enum Key k)
{
	return input.states[k] == KS_UP;
}