#!/bin/sh
#gets called by newsboat if it finds a new article.
CACHE="${XDG_DATA_HOME:-$HOME/.local/share}/newsboat/cache.db"
CONFIG="${XDG_CONFIG_HOME:-$HOME/.config}/newsboat/urls"
ALREADY_NOTIFIED="${XDG_DATA_HOME:-$HOME/.local/share}/newsboat/notified"
[ -f "$ALREADY_NOTIFIED" ] || touch "$ALREADY_NOTIFIED"


#setup for crontab notifications (patly copied from mailsync)
[ -f /tmp/dbus_session_bus_address ] &&
	export DBUS_SESSION_BUS_ADDRESS=$(cat /tmp/dbus_session_bus_address)

pgrepoutput="$(pgrep -ax X\(\|org\|wayland\))"
displays="$(echo "$pgrepoutput" | grep -wo "[0-9]*:[0-9]\+" | sort -u)"
[ -z "$displays" ] && [ -d /tmp/.X11-unix ] && displays=$(cd /tmp/.X11-unix && for x in X*; do echo ":${x#X}"; done)

notify() {
	[ -n "$pgrepoutput" ] && for x in ${displays:-:0}; do
		export DISPLAY="$x"
		notify-send --app-name="newsboat" "$1" "$2"
	done ;}


# check for new articles and create notifications
unread="$(sqlite3 "$CACHE" "SELECT unread,pubDate,title,feedurl FROM rss_item;" |
	grep -vE '^0' | sort -t'|' -k2 -gr |
	grep -vf "$ALREADY_NOTIFIED")"
[ -z "$unread" ] && exit
echo "$unread" >> "$ALREADY_NOTIFIED"
[ "$( echo "$unread" | wc -l)" -gt 1 ] && plural=s
articles="$(echo "$unread" | cut -d'|' -f3,4)"
echo "$articles" | while read -r article; do
	#remove '?' queries from URL
	title="$(echo "$article" | cut -d'|' -f1)"
	feed="$(echo "$article" | cut -d'|' -f2 | sed 's/?.*//')"
	#Find custom name given via name tag in CONFIG
	name="$(grep "$feed" "$CONFIG" | grep '~' |
		perl -pe "s/[^~\"]*\"~([^\"]*).*/\1/")"
	#If no custom name present, use name from CACHE
	if [ -z "$name" ]; then
		name="$(sqlite3 "$CACHE" "SELECT rssurl,title FROM rss_feed;" |
			grep -F "$feed" | cut -d'|' -f2)"
	fi
	notify "${name}:" "$title"
done

#update statusbar to account for new articles
pkill -RTMIN+13 dwmblocks