# $Id$

provide basic-video

# todo monitor gfxcard
helper_graphic_add_configs()
{
	local path="$1"
	local conf

	# exit ERR if path does not exist
	[[ ! -d ${path} ]] && return 1

	for conf in $(find "${path}" -mindepth 1 -maxdepth 1 -type f -name \*.conf | sort)
	do
		cat "${conf}" >> "${CONFIG}"
	done
}

# everything from xorg conf but inputdevices. they are handled properly trough udev!
helper_graphic_rebuild_xorg_conf_d()
{
	local CONFIG
	local conf
	local boardvendor
	local write_zotac_quirk

	# rebuild 25-gfxcard.conf
	# always clear the config
	CONFIG="${MROOT}@@SYSCONFDIR@@/X11/xorg.conf.d/25-device.conf"
	clearconfig
	addconfig "# Autogenerated by mcored" 
	# but only add lines if some values are found in config.d dir
	if path_not_empty ${MROOT}/${MCORE_CONFIG_PATH}/xorg/device
	then
		addconfig 'Section "Device"'
		helper_graphic_add_configs ${MROOT}/${MCORE_CONFIG_PATH}/xorg/device
		addconfig 'EndSection'
	fi

	# rebuild 25-module.conf
	# always clear the config
	CONFIG="${MROOT}@@SYSCONFDIR@@/X11/xorg.conf.d/25-module.conf"
	clearconfig
	addconfig "# Autogenerated by mcored" 
	# but only add lines if some values are found in config.d dir
	if path_not_empty ${MROOT}/${MCORE_CONFIG_PATH}/xorg/module
	then
		addconfig 'Section "Module"'
		helper_graphic_add_configs ${MROOT}/${MCORE_CONFIG_PATH}/xorg/module
		addconfig 'EndSection'
	fi

	# rebuild 25-screen.conf
	# always clear the config
	CONFIG="${MROOT}@@SYSCONFDIR@@/X11/xorg.conf.d/25-screen.conf"
	clearconfig
	addconfig "# Autogenerated by mcored" 
	# but only add lines if some values are found in config.d dir
	if path_not_empty ${MROOT}/${MCORE_CONFIG_PATH}/xorg/screen
	then
		addconfig 'Section "Screen"'
		addconfig '	Identifier	"Screen0"'
		addconfig '	Monitor		"Monitor0"'
		helper_graphic_add_configs ${MROOT}/${MCORE_CONFIG_PATH}/xorg/screen
		addconfig 'EndSection'
	fi

	# always disable hdmi port on zotac devices atm - fixme make it configurable like alx
	CONFIG="${MROOT}@@SYSCONFDIR@@/X11/xorg.conf.d/30-fix-zotac.conf"
	clearconfig
	write_zotac_quirk=0
	if [ -e /sys/devices/virtual/dmi/id/board_vendor ]
	then
		boardvendor="$(< /sys/devices/virtual/dmi/id/board_vendor)"
		# decapitalize
		boardvendor="${boardvendor,,}"
		case ${boardvendor} in
			*zotac*) write_zotac_quirk=1 ;;
		esac
	fi
	# some zotacs has as the board_vendor "filled by o.e.m"
	# so we search the whole devices subtree for zotac vendor matches
	# 0x19da="ZOTAC International (MCO) Ltd."
	if [[ -n $(cat /sys/devices/*/*/subsystem_vendor  | grep 0x19da) ]]
	then
		write_zotac_quirk=1
	fi

	if [ -f ${MCORE_CONFIG_PATH}/xorg/device/30-hdmi.conf ]
	then
		source ${MCORE_CONFIG_PATH}/xorg/device/30-hdmi.conf
		case "${graphic_hdmi}" in
			enabled) write_zotac_quirk=0 ;;
			disabled) write_zotac_quirk=1 ;;
		esac
	fi

	if [[ ${write_zotac_quirk} = 1 ]]
	then
		addconfig "# Autogenerated by mcored" 
		addconfig "Section \"Monitor\""
		addconfig "	Identifier \"LVDS1\""
		addconfig "	Option \"Ignore\" \"True\""
		addconfig "EndSection"
	fi
}

help_graphic_resolution()
{
	mecho "set graphic.resolution [resolution]"
	mecho " auto, 800x600, 1024x768, 1280x1024 etc"
}

help_graphic_refresh()
{
	mecho "set graphic.refresh [refresh rate]"
	mecho "  auto, 60, 100 - all values are Hz"
}

help_graphic_depth()
{
	mecho "set graphic.depth [color-depth]"
	mecho "  auto, 1, 4, 8, 15, 16, 24 - all values are bits"
}

help_graphic_driver()
{
	mecho "get graphic.driver [action]"
	mecho " Shows current selected or system available graphic drivers."
	mecho " Available actions:"
	mecho "   system  - show available drivers on the system"
	mecho "   current - shows the current selected driver used by Xorg"
	mecho
	mecho "set graphic.driver [driver]"
	mecho " Selects the graphic card driver used by Xorg."
}

help_graphic_hdmi()
{
	mecho "set graphic.hdmi [action]"
	mecho " Available actions:"
	mecho "  enable - enables the hdmi port"
	mecho "  disable - disables the hdmi port"
}

# set_graphic_resolution ${value}
set_graphic_resolution()
{
	local resolution="${CLASS_ARGV[0]}"
	local CONFIG
	local depth
	[[ -z ${resolution} ]] && help_graphic_resolution && return 1

	CONFIG="${MROOT}/${MCORE_CONFIG_PATH}/xorg/screen/20-resolution.conf"

	case ${resolution} in
		*x*)
			clearconfig
			# do it for all supported color depth
			for depth in 1 4 8 15 16 24
			do
				addconfig '	SubSection "Display"'
				addconfig "		Depth	${depth}"
				addconfig "		Modes	\"${resolution}\""
				addconfig '		ViewPort 0 0'
				addconfig '	EndSubSection'
			done

			if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
			then
				x11runas "xrandr --size ${resolution}"
			fi
			;;
		auto) clearconfig ;;
	esac

	helper_graphic_rebuild_xorg_conf_d
}

# set_graphic_depth ${value}
set_graphic_depth()
{
	local depth="${CLASS_ARGV[0]}"
	local CONFIG
	[[ -z ${depth} ]] && help_graphic_depth && return 1

	CONFIG="${MROOT}/${MCORE_CONFIG_PATH}/xorg/screen/10-depth.conf"

	# do it only for supported color depths
	case "${depth}" in
		1|4|8|15|16|24)
			clearconfig
			addconfig "	DefaultDepth	${depth}"
			;;
		auto) clearconfig ;;
		*) help_graphic_depth && return 1 ;;
	esac

	helper_graphic_rebuild_xorg_conf_d
	if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
	then
		mecho "X11 restart required!"
	fi
}

# set_graphic_refresh ${value}
set_graphic_refresh()
{
	local value="${CLASS_ARGV[0]}"
	[[ -z ${value} ]] && help_graphic_refresh && return 1

	#echo "${value}" > ${MROOT}/${MCORE_CONFIG_PATH}/xorg/refresh

	if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
	then
		x11runas "xrandr --refresh ${value}"
	fi

	helper_graphic_rebuild_xorg_conf_d
}

set_graphic_driver()
{
	local driver="${CLASS_ARGV[0]}"
	local driverdir="@@LIBDIR@@/xorg/modules/drivers"
	local CONFIG
	[[ -z ${driver} ]] && help_graphic_driver && return 1

	if [[ ${driver} = auto ]]
	then
		decho "Using driver autodetection, doing nothing"
	elif [[ -f ${MROOT}/${driverdir}/${driver}_drv.so ]]
	then
		CONFIG="${MROOT}/${MCORE_CONFIG_PATH}/xorg/device/25-device.conf"
		clearconfig
		addconfig "	Identifier \"Card0\""
		addconfig "	Driver	\"${driver}\""

		helper_graphic_rebuild_xorg_conf_d
		if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
		then
			mecho "X11 restart required!"
		fi
	else
		eecho "Driver '${driver}' does not exist on this system. Aborted!"
	fi
}

set_graphic_hdmi()
{
	local action="${CLASS_ARGV[0]}"
	local CONFIG

	case "${action}" in
		enable|disable)
			CONFIG="${MCORE_CONFIG_PATH}/xorg/device/30-hdmi.conf"
			clearconfig
			addconfig "graphic_hdmi=\"${action}\""
			;;
		*)
			help_graphic_driver
			return 1
			;;
	esac
}

get_graphic_driver()
{
	local action="${CLASS_ARGV[0]}"
	local driverdir="@@LIBDIR@@/xorg/modules/drivers"
	local driver
	local config="${MCORE_CONFIG_PATH}/xorg/device/25-device.conf"
	local i

	case "${action}" in
		current)
			if [[ -f ${MROOT}/${config} ]]
			then
				driver=$(grep Driver "${MROOT}/${config}" | sed 's:.*Driver.*\"\(.*\)\":\1:')
				rvecho "${driver}"
			else
				rvecho "none"
			fi
			;;
		system)
			driver=$(list_files_in_directory ${MROOT}/${driverdir} -mindepth 1 -maxdepth 1 | sed s':_drv.so::g')
			rvecho "${driver}"
			;;
		*)
			help_graphic_driver
			return 1
			;;
	esac
}

get_graphic_hdmi()
{
	local CONFIG="${MCORE_CONFIG_PATH}/xorg/device/30-hdmi.conf"
	if [ -f ${CONFIG} ]
	then
		rvecho "$(< ${CONFIG})"
	fi
}