#!/bin/sh

# Admin notes:
# 
# Each note is just a file.  Stored under /var/spool/admin/notes/[open|ack]/<package>/<note>
# 
# note: list notes
# note ack <note> - moves note to "acknowledged" spool
# note list [package] show notes for a given package, or all notes
# note delete <note> - delete a note from the system
# note edit <package> [file] - edit or create a note

SPOOL=/var/spool/admin/notes
OPEN=$SPOOL/open

set -e

#umask 007

cd $SPOOL || { echo "can't chdir to $SPOOL" ; exit 1; }

[ -z "$1" ] && set list

cmd=$1
shift

findnote() {
	file=$(find $SPOOL -type f -name "$1")
	if [ -z "$file" ] ; then
		printf "no such note $1\n"
		exit 1
	fi
	echo $file
}

findopen() {
	file=$(find $SPOOL/open -type f -name "$1")
	if [ -z "$file" ] ; then
		printf "no such open note $1\n"
		exit 1
	fi
	echo $file
}

case $cmd in
	list)
		case $1 in
			-a) find $SPOOL/ack -type f -printf '%P\n' | sort -n
			       	;;
			*) find $SPOOL/open -type f -printf '%P\n' | sort -n
				;;
		esac
		;;
	detail)
		len=$(find $SPOOL/open -type f -printf "%P\n" | awk ' { if ( length > x ) { x = length } }END{ print x }')
		find $SPOOL/open -type f -printf "%P\n" | sort -n | while read note ; do
			subject=$(head -1 $SPOOL/open/$note)	
			date=$(stat -c '%y' $SPOOL/open/$note | cut -f1 -d' ')
			printf '%*s %s %s\n' $len $note "$date" "$subject"
		done
		;;
	ack)
		file=$(findopen $1)
		subfile=$(echo $file | sed -e "s|$SPOOL/open/||")
		filedir=$(dirname $subfile)
		mkdir -p $SPOOL/ack/$filedir
		mv $file $SPOOL/ack/$filedir
		exit 0
		;;
	new)
		if [ $# -eq 1 ]; then set general $1; fi
		pkg=$1 ; shift
		mkdir -p $SPOOL/open/$pkg
		case $1 in
			'-')
				tmp=$(mktemp -p $SPOOL/open)
				cat - > $tmp
				file=$(zpm sequence notes)
				mv $tmp $SPOOL/open/$pkg/$file || { rm -f $tmp ; exit 1; }
				echo created $file
				;;
			*)
				tmp=$(mktemp -p $SPOOL/open)
				flock -n -E3 $tmp vim $tmp
				if [ $? -eq 3 ]; then echo already editing $1; exit 1; fi
				file=$(zpm sequence notes)
				mv $tmp $SPOOL/open/$pkg/$file || { rm -f $tmp; exit 1; }
				echo created $file
				;;
		esac
		;;
	edit)
		file=$(findnote $1)
		flock -n -E3 $file vim $file
		if [ $? -eq 3 ]; then echo already editing $1; exit 1; fi
		;;
	show)
		file=$(findnote $1)
		${PAGER:-less} $file
		;;
esac