#!/bin/bash

# Print the ip address of the raspberry pi
current_ip=$(hostname -I | cut -d' ' -f1)

# Print the ip address
echo "The current ip address is $current_ip"

# Ask if they want to change the ip address
echo -n "Do you want to change the ip address? (Y/n) "
read change_ip

# Exit if they don't want to change the ip address
if [ "$change_ip" = "n" ]; then
	exit 0
fi

# Ask if they want to use dhcp
echo -n "Do you want to use dhcp? (y/N) "
read use_dhcp
if [ "$use_dhcp" = "y" ]; then
	# Set the ip address to dhcp
	sudo nmcli device modify eth0 ipv4.method auto

	# Restart the network
	sudo nmcli c down "Wired connection 1"
	sudo nmcli c up "Wired connection 1"
	exit 0
fi

# Ask for the new ip address
echo -n "Enter the new ip address: "
read new_ip

# Ask for the new subnet mask
echo -n "Enter the new CIDR subnet mask (press enter for default of 24) "
read subnet_mask
if [ -z "$subnet_mask" ]; then
	subnet_mask="24"
fi

# Ask for the new gateway
echo -n "Enter the new gateway (press enter for default of 192.168.25.1) "
read gateway
if [ -z "$gateway" ]; then
	gateway="192.168.25.1"
fi

# Set the new ip address
sudo nmcli c mod "Wired connection 1" ipv4.addresses $new_ip/$subnet_mask ipv4.method manual
sudo nmcli c mod "Wired connection 1" ipv4.gateway $gateway

# Restart the network
sudo nmcli c down "Wired connection 1"
sudo nmcli c up "Wired connection 1"