/**************************************************************************
*
* Tint2 : OpenBSD & NetBSD battery
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* or any later version as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
**************************************************************************/

#if defined(__OpenBSD__) || defined(__NetBSD__)

//#include <machine/apmvar.h>
#include <err.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <string.h>

#include "common.h"
#include "battery.h"

int apm_fd = -1;

gboolean battery_os_init() {
	if (apm_fd > 0)
		close(apm_fd);

	apm_fd = open("/dev/apm", O_RDONLY);

	if (apm_fd < 0) {
		warn("ERROR: battery applet cannot open /dev/apm.");
		return FALSE;
	} else {
		return TRUE;
	}
}

void battery_os_free() {
	if ((apm_fd != -1) && (close(apm_fd) == -1))
		warn("cannot close /dev/apm");
	apm_fd = -1;
}

int battery_os_update(struct batstate *state) {
	struct apm_power_info info;

	if (apm_fd > 0 && ioctl(apm_fd, APM_IOC_GETPOWER, &(info)) == 0) {
		// best attempt at mapping to Linux battery states
		switch (info.battery_state) {
		case APM_BATT_CHARGING:
			state->state = BATTERY_CHARGING;
			break;
		default:
			state->state = BATTERY_DISCHARGING;
			break;
		}

		if (info.battery_life == 100)
			state->state = BATTERY_FULL;

		if (info.minutes_left != -1)
			batstate_set_time(state, info.minutes_left * 60);

		state->percentage = info.battery_life;
	} else {
		warn("power update: APM_IOC_GETPOWER");
		return -1;
	}

	return 0;
}

char* battery_os_tooltip() {
	return strdup("Operating System not supported");
}

#endif