#include <vhex/rtc.h>
#include <vhex/rtc/interface.h>
#include <vhex/driver.h>

#include <time.h>
#include <stdio.h>

/* sdl_rtc_get_time(): Read the current time from the RTC */
int sdl_rtc_get_time(rtc_time_t *rtc)
{
	time_t rtime;
	struct tm *tinfo;

	if (rtc == NULL)
		return -1;

	time(&rtime);
	tinfo = localtime(&rtime);

	rtc->ticks = 0;
	rtc->seconds   = tinfo->tm_sec;
	rtc->minutes   = tinfo->tm_min;
	rtc->hours     = tinfo->tm_hour;
	rtc->month_day = tinfo->tm_mday;
	rtc->month     = tinfo->tm_mon;
	rtc->year      = tinfo->tm_year + 1900;
	rtc->week_day  = tinfo->tm_wday;
	return 0;
}

//---
// Fake driver definition
//---

/* __rtc_configure() : configure the RTC */
static void __rtc_configure(void)
{
	// Nothing to do, this is a fake driver
	printf("[drv] RTC: fake driver initialized\n");
}

/* __rtc_hsave() : save hardware information */
static void __rtc_hsave(void)
{
	// Nothing to do, this is a fake driver
	;
}

/* __rtc_hrestore() : restore hardware information */
static void __rtc_hrestore(void)
{
	// Nothing to do, this is a fake driver
	;
}

struct vhex_driver drv_rtc = {
	.name       = "SDL2 RTC",
	.hsave      = (void*)&__rtc_hsave,
	.hrestore   = (void*)&__rtc_hrestore,
	.configure  = (void*)&__rtc_configure,
	.state_size = 4,
	.flags = {
		.RTC      = 1,
		.SHARED   = 0,
		.UNUSED   = 0,
	},
	.module_data = &(struct rtc_drv_interface){
		.rtc_get_time = &sdl_rtc_get_time,
		.rtc_set_time = NULL,
	}
};
VHEX_DECLARE_DRIVER(06, drv_rtc);