#!/bin/bash

OUT="wifi_debug_$(date +%Y%m%d_%H%M%S).txt"

{
echo "===== DATE ====="
date

echo
echo "===== HOST ====="
hostnamectl

echo
echo "===== PUBLIC IP ====="
curl -4 -s ifconfig.me || true
echo

#echo
#echo "===== INTERFACES ====="
#ip addr
#
#echo
#echo "===== ROUTES ====="
#ip route
#
#echo
#echo "===== DNS ====="
#resolvectl status
#
#echo
#echo "===== WIFI INFO ====="
#nmcli device wifi
#
#echo
#echo "===== ACTIVE CONNECTION ====="
#nmcli connection show --active
#
#echo
#echo "===== LINK STATUS ====="
#iw dev
#
#echo
#echo "===== RFKILL ====="
#rfkill list

echo
echo "===== GATEWAY PING ====="
ping -c 4 $(ip route | awk '/default/ {print $3; exit}')

echo
echo "===== INTERNET PING ====="
ping -c 4 1.1.1.1

echo
echo "===== DNS TEST ====="
dig google.com

echo
echo "===== SITE DNS ====="
dig leo-test.store

echo
echo "===== HTTPS TEST ====="
curl -Iv https://$1

echo
echo "===== PORT TEST ====="
nc -vz leo-test.store 443

echo
echo "===== TRACEROUTE ====="
traceroute 212.227.93.40

echo
echo "===== OPENSSL ====="
timeout 10 openssl s_client -connect $1:443 </dev/null

echo
echo "===== JOURNAL WIFI ====="
journalctl -b | grep -Ei 'wifi|wlan|wlp|networkmanager|dhcp' | tail -100

} > "$OUT" 2>&1

echo "Saved to $OUT"