#!/bin/sh 

. ./config

toot(){
	curl -s -X POST -F in_reply_to_id=$reply -F status="$1" -F visibility='unlisted' -H "Authorization: Bearer $instance_token" https://$instance/api/v1/statuses
}

timeline_home(){
	curl -s -H "Authorization: Bearer $instance_token" "https://$instance/api/v1/timelines/home?limit=40&max_id=$1" | 
		jq -r '.[] | 
		if .reblog then 
		(["bump", .reblog.id, .reblog.account.acct] | join(" ")), .reblog.pleroma.content."text/plain", (.reblog.media_attachments[] | "attach", .url, .description // empty) 
	else [.id, .account.acct], .pleroma.content."text/plain", (.media_attachments[] | "attach", .url, .description // empty) 
		end | @text' 
}

remote_ip=$SOCAT_PEERADDR
die(){
	rm access_granted/"$remote_ip"
	echo 'bye'
	pkill -P $PPID
}

mkdir -p -m 700 access_granted
generator_session=$(zcat -f $system_dict | shuf -n 2 | tr -d "\n'")
randpadding=$(head -c 8 /dev/urandom | base64)
printf "$randpadding\t$generator_session\n" 
cat - | 
	while read -r cmd mesg; do
		if [ "$cmd" = "reg" ]; then
			key=$(echo "$mesg" | cut -d' ' -f 2)
			session=$(echo "$mesg" | cut -d' ' -f 1)
			if [ "$session" = "$generator_session" ] && [ "$key" = "$pass_for_bbs" ]; then
				touch access_granted/"$remote_ip"
				echo hi $remote_ip
			else
				die
				break
			fi
		fi
		if [ ! -f access_granted/"$remote_ip" ]; then # Drop unregistred handshake
			die
			break
		fi
		# ---
		case $cmd in
			"post") toot "$mesg" | jq '.id, .errors' ;;
			"reply")
				reply_id=$(echo "$mesg" | cut -d' ' -f 1)
				status=$(echo "$mesg" | cut -d' ' -f 2-)
				reply=$reply_id toot "$status" | jq '.id, .errors'
				reply=''
				;;
			"home") timeline_home "$mesg" ;;
			"reg") printf 'bbs > '; continue ;;
			"x") 
				case $mesg in 
					"http"*) w3m -dump -T text/html -cols 34 -o 'display_link_number=1' "$mesg" ;;
					*) echo 'only http(s)' ;;
				esac
				;;
			*) die; break ;;
		esac
		printf 'bbs > '
	done 
rm access_granted/"$remote_ip"
echo 'session was close'