#!/bin/sh
# msendmail TO... < msg - compose MIME mail noninteractively
#  -F from-name
#  -a attach-file
#  -b bcc
#  -c cc
#  -f from
#  -s subject
#  -m msg-paragraph

IFS='
'

MBLAZE=${MBLAZE:-$HOME/.mblaze}
from=$(mhdr -h local-mailbox "$MBLAZE/profile")

subj=
bcc=
cc=
msg=
fromname=
att=

hdr() {
	[ -z "$2" ] && return
	printf '%s: ' "$1"
	shift
	printf '%s\n' "$@" | sed ':a;N;s/\n/, /;$!b a'
}

while getopts a:s:b:c:m:f:F: opt; do
	case "$opt" in
		s) subj=$OPTARG;;
		b) bcc="$bcc$IFS$OPTARG";;
		c) cc="$cc$IFS$OPTARG";;
		m) msg="$msg$OPTARG$IFS$IFS";;
		f) from=$OPTARG;;
		F) fromname=$OPTARG;;
		a) att="$att$IFS$OPTARG";;
		[?]) exit 1;;
	esac
done
shift $((OPTIND-1))

[ -n "$from" ] && [ -n "$fromname" ] && from="$fromname <$from>"

{
hdr To "$@"
hdr Cc $cc
hdr Bcc $bcc
hdr Subject $subj
hdr From $from
hdr User-Agent "mblaze/beta (msendmail)" 
hdr Message-Id "$(mgenmid)"
hdr Date "$(mdate)"

printf '\n'
if [ -n "$msg" ]; then
	printf '%s' "$msg"
else
	cat
fi

for a in $att; do
	printf '#%s %s\n' "$(file -b --mime-type "$a")" "$a"
done
} | mmime