# $Id$

provide printing lprng
require basic-kernel

help_printing_printer()
{
	mecho "get printing.printer"
	mecho " Shows all configured printers."
	mecho
	mecho "set printing.addprinter [action] [name] [port] [ip] [share]"
	mecho " Adds or deletes a printer."
	mecho " Actions:"
	mecho "   add   - adds given printer"
	mecho "   del   - deletes given printer"
	mecho
	mecho "   name  - name of the printer"
	mecho "   port  - printing port (lpt1, usb1, com1 ... lptN, usbN, comN"
#	mecho "   ip    - ip of the remote printer - optional"
#	mecho "   share - share/port name of the remote printer - optional"
}

helper_addprinter()
{
	local name="$1"
	local port="$2"
#	local ip="$3"
#	local share="$4"

	[[ -z ${name} ]] && help_printing_printer && return 1
	[[ -z ${port} ]] && help_printing_printer && return 1

	[[ ! -d ${MROOT}@@SYSCONFDIR@@/printcap.d ]] && install -d ${MROOT}@@SYSCONFDIR@@/printcap.d

	case ${port} in
		lpt[0-9]*) port="/dev/lp$(( ${port/lpt/}-1 ))" ;;
		com[0-9]*) port="/dev/ttyS$(( ${port/com/}-1 ))" ;;
		usb[0-9]*) port="/dev/usb/lp$(( ${port/usb/}-1 ))" ;;
		#lpd) port="lpd://${ip}/${share}" ;;
		#socket) port="socket://${ip}:${share}" ;;
	esac

	CONFIG="${MROOT}@@SYSCONFDIR@@/printcap.d/${name}.conf"
	clearconfig
	addconfig "${name}|${name}"
	addconfig "	:lp=${port}"
	addconfig "	:sd=/var/spool/lpd/${name}"
	addconfig "	:lf=/var/log/lprng/${name}"

	# regenerate printcap
	helper_generate_printcap
}

helper_delprinter()
{
	local name="$1"

	[[ -z ${name} ]] && help_printing_printer && return 1

	if [[ -f ${MROOT}@@SYSCONFDIR@@/printcap.d/${name}.conf ]]
	then
		rm ${MROOT}@@SYSCONFDIR@@/printcap.d/${name}.conf
	fi

	if [[ -d ${MROOT}@@LOCALSTATEDIR@@/spool/lpd/${name} ]]
	then
		rm -rf ${MROOT}@@LOCALSTATEDIR@@/spool/lpd/${name}
	fi

	if [[ -d ${MROOT}@@LOCALSTATEDIR@@/log/lprng/${name} ]]
	then
		rm -rf ${MROOT}@@LOCALSTATEDIR@@/log/lprng/${name}
	fi

	# regenerate printcap
	helper_generate_printcap
}

set_printing_printer()
{
	local action="${CLASS_ARGV[0]}"
	local name="${CLASS_ARGV[1]}"
	local port="${CLASS_ARGV[2]}"
#	local ip="${CLASS_ARGV[3]}"
#	local share="${CLASS_ARGV[4]}"

	case "${action}" in
#		add) helper_addprinter "${name}" "${port}" "${ip}" "${share}" ;;
		add) helper_addprinter "${name}" "${port}";;
		del) helper_delprinter "${name}" ;;
		*) help_printing_printer && return 1 ;;
	esac
}

get_printing_printer()
{
	list_files_in_directory ${MROOT}@@SYSCONFDIR@@/printcap.d
}

helper_generate_printcap()
{
	local i
	local prn

	# install required kernel modules as well
	if is_provided basic-kernel
	then
		mcore-kernel-modules --add --module lp
		mcore-kernel-modules --add --module usblp
	fi

	CONFIG="${MROOT}@@SYSCONFDIR@@/printcap"
	clearconfig

	for i in $(find ${MROOT}@@SYSCONFDIR@@/printcap.d -type f -name \*.conf)
	do
		mecho "adding ${i}"
		addconfig "#--- added by mcored ---"
		cat ${i} >> ${CONFIG}
		addconfig "#-----------------------"
		addconfig

		prn=$(basename ${i} .conf)

		# install spooler directories
		install -o @@LPRNG_SPOOLER_USER@@ -g @@LPRNG_SPOOLER_USER@@ -m0700 -d ${MROOT}@@LOCALSTATEDIR@@/spool/lpd/${prn}

		# create empty log files
		install -d ${MROOT}@@LOCALSTATEDIR@@/log/lprng
		touch ${MROOT}@@LOCALSTATEDIR@@/log/lprng/${prn}
		chown @@LPRNG_SPOOLER_USER@@:@@LPRNG_SPOOLER_USER@@ ${MROOT}@@LOCALSTATEDIR@@/log/lprng/${prn}
		chmod 0600 ${MROOT}@@LOCALSTATEDIR@@/log/lprng/${prn}
	done
}