#!/usr/bin/env -S bash -e
[[ -z "$1" ]] && {
	printf "Usage: %s message [description]\n" "$0"
	exit 1
}
TxnId() { # Random chars. Needed for sending messages. I am not using tr on /dev/urandom for speed reasons
  CharRange='1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
  for ((i = 0; i <= 32; i++)); do
    printf '%s' "${CharRange:$((RANDOM % ${#CharRange})):1}"
  done
}
instance='https://mtrx.vern.cc'
RoomId='!TvCDlIfMEHfcpCrSow:vern.cc'
if [[ -z ${2} ]]; then
	curl -s \
  		-X PUT \
  		-H 'Content-Type: application/json' \
  		-H 'Authorization: Bearer '"$(</root/priv/root-access-token)" \
  		-d '{"msgtype":"m.text", "body":"'"${1}"'"}' \
  		"$instance"'/_matrix/client/r0/rooms/'"$RoomId"'/send/m.room.message/'"$(TxnId)"
else
	curl -s \
  		-X PUT \
  		-H 'Content-Type: application/json' \
  		-H 'Authorization: Bearer '"$(</root/priv/root-access-token)" \
  		-d '{"msgtype":"m.text", "body":"'"${1}\n\n${2}"'"}' \
  		"$instance"'/_matrix/client/r0/rooms/'"$RoomId"'/send/m.room.message/'"$(TxnId)"
fi