#!/bin/sh
# toot with curl
# usage examples:
# 	pwet 'This is a new status'
# 	pwet 'This is a reply to a post <@https://url.tld/@username/post_id>'
#
# For replies, you have to put in your status between "<@" and ">" the url of the status.
# It is a good idea to quote the status to avoid shell surprises

# configuration
mastodon_instance="im-in.space"
# create a new application in your mastodon profile to get a token 
# write it in the file mentionned below in token_file
token_file=~/.config/pwet.token

if [ ! -f "${token_file}" ]; then
	cat << EOF
	You need a token to use pwet with your mastodon account.
	In your mastodon profile, open "Development" menu and
	create a "New application".
	Copy the generated "token" in ${token_file}
EOF
fi

###

token="$(cat ${token_file})"
mastodon_url="https://${mastodon_instance}/api/v1/statuses"

status="\"$*\""
# stop here if there is nothing to say
test -z "${status}" && exit

# FIXME? awk below seems weak
# get status id if there is a reply to a post 
reply_id="$(printf "%s" "${status}" | awk '
	match($0, /<@.*:\/\/.*\/([0-9]+)>/) {
		mention = substr($0, RSTART, RLENGTH)
		match(mention, /\/([0-9]+)>/)
		id = substr(mention, RSTART+1, RLENGTH-2)
		print id
	}
')"

if [ -z "${reply_id}" ]; then
	# not a reply
	curl -s "${mastodon_url}" \
		-H "Authorization: Bearer $token" \
		-F status="${status}" >/dev/null
else
	# reply
	curl -s "${mastodon_url}" \
		-H "Authorization: Bearer $token" \
		-F status="${status}" \
		-F in_reply_to_id="${reply_id}" >/dev/null
fi

exit $?