#!/bin/sh
URI_ENCODE="`dirname $0`/uri-encode"

# tries to locate the executable specified 
# as first parameter in the user's path.
which() {
	if [ ! -z "$1" ]; then
		for i in `echo $PATH | sed -e 's/^:/.:/g' -e 's/:$/:./g' -e 's/::/:.:/g' -e 's/:/ /g'`; do
			if [ -x "$i/$1" -a ! -d "$i/$1" ]; then
				echo "$i/$1"
				break;
			fi
		done
	fi
}

# checks for the original mozilla start script(s) 
# and restrict the "-remote" semantics to those.
run_mozilla() {
	# find mozilla script in PATH if necessary
	if [ "`basename $1`" = "$1" ]; then
		moz=`which $1`
	else
		moz=$1
	fi

	if file "$moz" | grep "script" > /dev/null && grep "[NM]PL" "$moz" > /dev/null; then
		"$moz" -remote 'ping()' 2>/dev/null >/dev/null
		if [ $? -eq 2 ]; then
			"$1" -compose "$2" &
		else
			"$1" -remote "xfeDoCommand(composeMessage,$2)" &
		fi
	else
		"$1" -compose "$2" &
	fi
}

# restore search path for dynamic loader to system defaults to
# avoid version clashes of mozilla libraries shipped with OOo
case `uname -s` in
	AIX)
		LIBPATH=$SYSTEM_LIBPATH
		if [ -z "$LIBPATH" ]; then
			unset LIBPATH SYSTEM_LIBPATH
		else
			export LIBPATH; unset SYSTEM_LIBPATH
		fi
		;;

	Darwin)
		DYLD_LIBRARY_PATH=$SYSTEM_DYLD_LIBRARY_PATH
		if [ -z "$DYLD_LIBRARY_PATH" ]; then
			unset DYLD_LIBRARY_PATH SYSTEM_DYLD_LIBRARY_PATH
		else
			export DYLD_LIBRARY_PATH; unset SYSTEM_DYLD_LIBRARY_PATH
		fi
		;;

	HP-UX)
		SHLIB_PATH=$SYSTEM_SHLIB_PATH
		if [ -z "$SHLIB_PATH" ]; then
			unset SHLIB_PATH SYSTEM_SHLIB_PATH
		else
			export SHLIB_PATH; unset SYSTEM_SHLIB_PATH
		fi
		;;

	IRIX*)
		LD_LIBRARYN32_PATH=$SYSTEM_LD_LIBRARYN32_PATH
		if [ -z "$LD_LIBRARYN32_PATH" ]; then
			unset LD_LIBRARYN32_PATH SYSTEM_LD_LIBRARYN32_PATH
		else
			export LD_LIBRARYN32_PATH; unset $SYSTEM_LD_LIBRARYN32_PATH
		fi
		;;

	*)
		LD_LIBRARY_PATH=$SYSTEM_LD_LIBRARY_PATH
		if [ -z "$LD_LIBRARY_PATH" ]; then
			unset LD_LIBRARY_PATH SYSTEM_LD_LIBRARY_PATH
		else
			export LD_LIBRARY_PATH; unset SYSTEM_LD_LIBRARY_PATH
		fi
		;;
esac

if [ "$1" = "--mailclient" ]; then
	shift
	MAILER=$1
	shift
fi

# autodetect mail client from executable name
case `basename "$MAILER" | sed 's/-.*$//'` in

	mozilla | netscape | seamonkey | thunderbird)
	
		while [ "$1" != "" ]; do
			case $1 in
				--to)
					TO=${TO:-}${TO:+,}$2
					shift
					;;
				--cc)
					CC=${CC:-}${CC:+,}$2
					shift
					;;
				--bcc)
					BCC=${BCC:-}${BCC:+,}$2
					shift
					;;
				--subject)
					SUBJECT=$2
					shift
					;;
				--body)
					BODY=$2
					shift
					;;
				--attach)
					ATTACH=${ATTACH:-}${ATTACH:+,}`echo file://$2 | ${URI_ENCODE}`
					shift
					;;
				*)
					;;
			esac
			shift;
		done

		if [ "$TO" != "" ]; then
			COMMAND=${COMMAND:-}${COMMAND:+,}to=${TO}
		fi
		if [ "$CC" != "" ]; then
			COMMAND=${COMMAND:-}${COMMAND:+,}cc=${CC}
		fi
		if [ "$BCC" != "" ]; then
			COMMAND=${COMMAND:-}${COMMAND:+,}bcc=${BCC}
		fi
		if [ "$SUBJECT" != "" ]; then
			COMMAND=${COMMAND:-}${COMMAND:+,}subject=${SUBJECT}
		fi
		if [ "$BODY" != "" ]; then
			COMMAND=${COMMAND:-}${COMMAND:+,}body=${BODY}
		fi
		if [ "$ATTACH" != "" ]; then
			COMMAND=${COMMAND:-}${COMMAND:+,}attachment=${ATTACH}
		fi
		
		run_mozilla "$MAILER" "$COMMAND"
		;;
		
	kmail)
	
		while [ "$1" != "" ]; do
			case $1 in
				--to)
					TO="${TO:-}${TO:+,}$2"
					shift
					;;
				--cc)
					CC="${CC:-}${CC:+,}$2"
					shift
					;;
				--bcc)
					BCC="${BCC:-}${BCC:+,}$2"
					shift
					;;
				--subject)
					SUBJECT="$2"
					shift
					;;
				--body)
					BODY="$2"
					shift
					;;
				--attach)
					ATTACH="$2"
					shift
					;;
				*)
					;;
			esac
			shift;
		done
		
		${MAILER} --composer ${CC:+--cc} ${CC:+"${CC}"} ${BCC:+--bcc} ${BCC:+"${BCC}"} \
			${SUBJECT:+--subject} ${SUBJECT:+"${SUBJECT}"} ${BODY:+--body} ${BODY:+"${BODY}"} \
			${ATTACH:+--attach} ${ATTACH:+"${ATTACH}"} ${TO:+"${TO}"}
		;;
		
	evolution)
	
		while [ "$1" != "" ]; do
			case $1 in
				--to)
					if [ "${TO}" != "" ]; then
						MAILTO="${MAILTO:-}${MAILTO:+&}to=$2"
					else
						TO="$2"
					fi
					shift
					;;
				--cc)
					MAILTO="${MAILTO:-}${MAILTO:+&}cc=`echo $2| ${URI_ENCODE}`"
					shift
					;;
				--bcc)
					MAILTO="${MAILTO:-}${MAILTO:+&}bcc=`echo $2| ${URI_ENCODE}`"
					shift
					;;
				--subject)
					MAILTO="${MAILTO:-}${MAILTO:+&}subject=`echo $2 | ${URI_ENCODE}`"
					shift
					;;
				--body)
					MAILTO="${MAILTO:-}${MAILTO:+&}body=`echo $2 | ${URI_ENCODE}`"
					shift
					;;
				--attach)
					MAILTO="${MAILTO:-}${MAILTO:+&}attach=`echo file://$2 | ${URI_ENCODE}`"
					shift
					;;
				*)
					;;
			esac
			shift;
		done
		
		MAILTO="mailto:${TO}?${MAILTO}"
		${MAILER} "${MAILTO}" &
		;;
 
	dtmail)
	 
		while [ "$1" != "" ]; do
			case $1 in
				--to)
					TO=${TO:-}${TO:+,}$2
					shift
					;;
				--attach)
					ATTACH="$2"
					shift
					;;
				*)
					;;
			esac
			shift;
		done
		 
		${MAILER} ${TO:+-T} ${TO:-} ${ATTACH:+-a} ${ATTACH:+"${ATTACH}"}
		;;

	sylpheed)
	 
		while [ "$1" != "" ]; do
			case $1 in
				--to)
					TO=${TO:-}${TO:+,}$2
					shift
					;;
				--attach)
					ATTACH="${ATTACH:-}${ATTACH:+ } $2"
					shift
					;;
				*)
					;;
			esac
			shift;
		done
		 
		 ${MAILER} ${TO:+--compose} ${TO:-} ${ATTACH:+--attach} ${ATTACH:-}
		;;

	Mail | Thunderbird | *.app )

		while [ "$1" != "" ]; do
			case $1 in
				--attach)
					ATTACH="${ATTACH:-}${ATTACH:+ } $2"
					shift
					;;
				*)
					;;
			esac
			shift;
		done
		 
		/usr/bin/open -a "${MAILER}" ${ATTACH}
		;;

	"")
	
		# DESKTOP_LAUNCH, see http://freedesktop.org/pipermail/xdg/2004-August/004489.html
		if [ -n "$DESKTOP_LAUNCH" ]; then
			while [ "$1" != "" ]; do
				case $1 in
					--to)
						if [ "${TO}" != "" ]; then
							MAILTO="${MAILTO:-}${MAILTO:+&}to=$2"
						else
							TO="$2"
						fi
						shift
						;;
					--cc)
						MAILTO="${MAILTO:-}${MAILTO:+&}cc=`echo $2| ${URI_ENCODE}`"
						shift
						;;
					--bcc)
						MAILTO="${MAILTO:-}${MAILTO:+&}bcc=`echo $2| ${URI_ENCODE}`"
						shift
						;;
					--subject)
						MAILTO="${MAILTO:-}${MAILTO:+&}subject=`echo $2 | ${URI_ENCODE}`"
						shift
						;;
					--body)
						MAILTO="${MAILTO:-}${MAILTO:+&}body=`echo $2 | ${URI_ENCODE}`"
						shift
						;;
					--attach)
						MAILTO="${MAILTO:-}${MAILTO:+&}attachment=`echo $2 | ${URI_ENCODE}`"
						shift
						;;
					*)
						;;
				esac
				shift;
			done
		
			MAILTO="mailto:${TO}?${MAILTO}"
			${DESKTOP_LAUNCH} "${MAILTO}" &
		else
			echo "Could not determine a mail client to use."
			exit 2
		fi
		;;
		
	*)
		echo "Unsupported mail client: `basename $MAILER | sed 's/-.*^//'`"
		exit 2
		;;
esac  
  
exit 0
