#!/bin/sh

alarm_not_supported() {
	echo org.freedesktop.Hal.Device.SystemPowerManagement.AlarmNotSupported >&2
	echo Waking the system up is not supported >&2
	exit 1
}

unsupported() {
	echo org.freedesktop.Hal.Device.SystemPowerManagement.NotSupported >&2
	echo No suspend method found >&2
	exit 1
}

read seconds_to_sleep

# Make a suitable command line argument so that the tools can do the correct
# quirks for video resume.
# Passing the quirks to the tool allows the tool to not depend on HAL for data.
QUIRKS=""
[ "$HAL_PROP_POWER_MANAGEMENT_QUIRK_S3_BIOS" = "true" ] && QUIRKS="$QUIRKS --quirk-s3-bios"
[ "$HAL_PROP_POWER_MANAGEMENT_QUIRK_S3_MODE" = "true" ] && QUIRKS="$QUIRKS --quirk-s3-mode"
[ "$HAL_PROP_POWER_MANAGEMENT_QUIRK_DPMS_SUSPEND" = "true" ] && QUIRKS="$QUIRKS --quirk-dpms-suspend"
[ "$HAL_PROP_POWER_MANAGEMENT_QUIRK_DPMS_ON" = "true" ] && QUIRKS="$QUIRKS --quirk-dpms-on"
[ "$HAL_PROP_POWER_MANAGEMENT_QUIRK_VBESTATE_RESTORE" = "true" ] && QUIRKS="$QUIRKS --quirk-vbestate-restore"
[ "$HAL_PROP_POWER_MANAGEMENT_QUIRK_VBEMODE_RESTORE" = "true" ] && QUIRKS="$QUIRKS --quirk-vbemode-restore"
[ "$HAL_PROP_POWER_MANAGEMENT_QUIRK_VGA_MODE_3" = "true" ] && QUIRKS="$QUIRKS --quirk-vga-mode3"
[ "$HAL_PROP_POWER_MANAGEMENT_QUIRK_VBE_POST" = "true" ] && QUIRKS="$QUIRKS --quirk-vbe-post"
[ "$HAL_PROP_POWER_MANAGEMENT_QUIRK_RADEON_OFF" = "true" ] && QUIRKS="$QUIRKS --quirk-radeon-off"
[ "$HAL_PROP_POWER_MANAGEMENT_QUIRK_RESET_BRIGHTNESS" = "true" ] && QUIRKS="$QUIRKS --quirk-reset-brightness"
[ "$HAL_PROP_POWER_MANAGEMENT_QUIRK_SAVE_PCI" = "true" ] && QUIRKS="$QUIRKS --quirk-save-pci"
[ "$HAL_PROP_POWER_MANAGEMENT_QUIRK_NONE" = "true" ] && QUIRKS="$QUIRKS --quirk-none"

# We only support pm-utils
if [ -x "/usr/sbin/pm-suspend" ] ; then
	export NUM_SECONDS_TO_SLEEP=$seconds_to_sleep
	/usr/sbin/pm-suspend $QUIRKS
	RET=$?
else
	# TODO: add support
	unsupported
fi

# Refresh devices as a resume can do funny things
for type in button battery ac_adapter
do
	devices=`hal-find-by-capability --capability $type`
	for device in $devices
	do
		dbus-send --system --print-reply --dest=org.freedesktop.Hal \
			  $device org.freedesktop.Hal.Device.Rescan
	done
done

exit $RET