#!/usr/bin/env sh
if [ -f "$XDG_CONFIG_HOME/sxmo/sfeedrc" ]; then
	SFEEDCONF="$XDG_CONFIG_HOME/sxmo/sfeedrc"
elif [ -f "$HOME/.sfeed/sfeedrc" ]; then
	SFEEDCONF="$HOME/.sfeed/sfeedrc"
else
	SFEEDCONF=/usr/share/sxmo/sxmo_sfeedrc
fi

die() {
	echo "Error: $1"
	exit 1
}

tflt() {
	# Date with feature like "1 day ago" etc main reason
	# coreutils is a dep...
	TIME=$(eval date -d \""$TIMESPAN"\" +%s)
	cat | gawk "\$1 > $TIME"
}

prep_temp_folder_with_items() {
	mkdir -p "$FOLDER"
	rm -rf "${FOLDER:?}/*"
	cd ~/.sfeed/feeds/ || die "Could cd to ~/.sfeed/feeds/"
	for f in ./*; do
		fclean="$(basename "$f")"
		tflt < "$fclean" > "$FOLDER/$fclean"
		[ -s "$FOLDER/$fclean" ] || rm "${FOLDER:?}/$fclean"
	done
}

list_items() {
	cd "$FOLDER" || die "Couldn't cd to $FOLDER"
	gawk -F'\t' '{print $1 " " substr(FILENAME, 3) " | " $2 ": " $3}' ./* |\
	grep -E '^[0-9]{5}' |\
	sort -nk1 |\
	sort -r |\
	gawk -F' ' '{printf strftime("%y/%m/%d %H:%M",$1); $1=""; print $0}'
}

# Update Sfeed
st -e sh -c "echo Syncing Feeds && sfeed_update $SFEEDCONF"

# Dmenu prompt for timespan
TIMESPAN=$(
echo "1 hour ago
3 hours ago
12 hours ago
1 day ago
2 day ago
1970-01-01" | dmenu -p "RSS Timespan" -c -l 10 -fn Terminus-20
)

# Make folder like /tmp/sfeed_1_day_ago
FOLDER="/tmp/sfeed_$(echo "$TIMESPAN" | sed 's/ /_/g')"
prep_temp_folder_with_items

# Show list of items
PICKED=$(list_items | dmenu -p "RSS" -c -l 20 -fn Terminus-15)

# Handle picked item
URL="$(echo "$PICKED" | gawk -F " " '{print $NF}')"
sxmo_urlhandler.sh "$URL"