#!/bin/sh

eecho() {
	echo "$@" >&2
}

usage() {
	eecho -e "Usage: `basename ${0}` [<options>] [<input files>...]"
	eecho -e "\tTool for multiskkserv."
	eecho -e "\tYou can use standard input instead of input files by not giving input files."
	eecho -e "options:"
	eecho -e "\t-s <skkdic output>\tOutput skkdic file."
	eecho -e "\t\t\t\tNote that this output might be invalid."
	eecho -e "\t\t\t\tUse tools like skk-tools to use the output."
	eecho -e "\t-c <cdb output>\t\tOutput cdb file."
	eecho -e "\t-d <command>\t\tCommand to execute when done."
}

OUTPUT_SKK=
OUTPUT_CDB=
DONE_COMMAND=

case "$1" in
	"--help"|"-h")
		usage
		exit
		;;
esac

while getopts "d:s:c:" OPT ; do
	case "$OPT" in
		"s")
			# skkdic output file
			OUTPUT_SKK="$OPTARG"
			;;
		"d")
			# command
			DONE_COMMAND="$OPTARG"
			;;
		"c")
			# cdb output file
			OUTPUT_CDB="$OPTARG"
			;;
	esac
done

shift $(( ${OPTIND} - 1 ))

if [ $# -lt 1 ] ; then
	usage
	exit 2
fi

OUTPUT_FILE="$1"

AWK_CONVERT_SCRIPT='
BEGIN {
	FS="|"
}

/^;/ {
	print ";"$0
}

/.*\|.*/ && /^[^;]/ {
	#print $0
	split($2, SRC, "/")
	#print "---" SRC[1]
	for(ITER in SRC) {
		print SRC[ITER] " /" $1 "/"
	}
}'

if [ "x${OUTPUT_SKK}" == "x" ] ; then
	if [ "x${OUTPUT_CDB}" == "x" ] ; then
		eecho "ERROR: No output files."
		exit 2
	fi
	cat "$@" | awk "${AWK_CONVERT_SCRIPT}" | nkf -e | skkdic-p2cdb "${OUTPUT_CDB}"
	chmod 444 "${OUTPUT_CDB}"
else
	if [ "x${OUTPUT_CDB}" == "x" ] ; then
		cat "$@" | awk "${AWK_CONVERT_SCRIPT}" | nkf -e | tee "${OUTPUT_SKK}"
	else
		cat "$@" | awk "${AWK_CONVERT_SCRIPT}" | nkf -e | tee "${OUTPUT_SKK}" | skkdic-p2cdb "${OUTPUT_CDB}"
		chmod 444 "${OUTPUT_CDB}"
	fi
fi

if [ "x${DONE_COMMAND}" != "x" ] ; then
	# never quote args of eval.
	eval ${DONE_COMMAND}
fi