#!/bin/bash

tailscale_status=$(tailscale status)

# Extract the lines containing IP addresses and hostnames
# Example lines we are interested in: 
# 100.101.102.103  server1  linux   active; direct 192.168.1.101:41641, tx 3867808 rx 7391200
# 100.101.102.104  server2  windows active; direct 192.168.1.102:41641, tx 3867808 rx 7391200

ssh_entries=$(echo "$tailscale_status" | awk '/^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/ {print "Host " $2 "\n  HostName " $1 "\n  User alex\n"}')

ssh_config_content="# SSH config - generated by tailscale script\n\n"
ssh_config_content+="$ssh_entries"

output_file="$HOME/.ssh/config"

mkdir -p /root/.ssh
echo -e "$ssh_config_content" > "$output_file"

chmod 600 "$output_file"

echo "SSH config file has been updated with Tailscale hosts at $output_file."