#!/usr/bin/env bash
# Displays Pi-hole stats on the Adafruit PiTFT 2.8" touch screen
# Set the pi user to log in automatically and run this script from /etc/profile
# (c) 2015 by Jacob Salmela
# This file is part of Pi-hole.
#
# Pi-hole is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
for (( ; ; ))
do
        clear
        # Displays a colorful Pi-hole logo
        toilet -f smbraille -F gay Pi-hole
        echo "   $(ifconfig wlan0 | awk '/inet addr/ {print $2}' | cut -d':' -f2)"
        echo ""
        echo "  $(uptime | cut -d' ' -f11-)"
        echo "---------------------"
        # Uncomment to continually read the log file and display the current domain being blocked
        #tail -f /var/log/pihole.log | awk '/\/etc\/pihole\/gravity.list/ {if ($7 != "address" && $7 != "name" && $7 != "/etc/pihole/gravity.list") print $7; else;}'

        today=$(date "+%b %e")
        todaysQueryCount=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ {print $7}' | wc -l)
        todaysQueryCountV4=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ && /\[A\]/ {print $7}' | wc -l)
        todaysQueryCountV6=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ && /\[AAAA\]/ {print $7}' | wc -l)
        todaysAdsEliminated=$(cat /var/log/pihole.log | grep "$today" | awk '/\/etc\/pihole\/gravity.list/ {print $7}' | wc -l)
        dividend=$(echo "$todaysAdsEliminated/$todaysQueryCount" | bc -l)
        fp=$(echo "$dividend*100" | bc -l)
        percentAds=$(echo ${fp:0:4})

        echo "Queries:  $todaysQueryCountV4 / $todaysQueryCountV6"
        echo "Pi-holed: $todaysAdsEliminated  ($percentAds%)"
        sleep 42
done