#!/bin/bash

# Using Bolt's environment variables
IP="${PT_ip_with_cidr}"
HOSTNAME="${PT_hostname}"
DHCP="${PT_dhcp}"
GATEWAY="${PT_gateway}"
NAMESERVER1="${PT_nameserver1}"
NAMESERVER2="${PT_nameserver2}"
NAMESERVER3="${PT_nameserver3}"

# Check if all required parameters are provided
if [ -z "$IP" ] || [ -z "$HOSTNAME" ] || [ -z "$DHCP" ] || [ -z "$GATEWAY" ] || [ -z "$NAMESERVER1" ] || [ -z "$NAMESERVER2" ] || [ -z "$NAMESERVER3" ]; then
    echo "Missing required parameters. All parameters must be provided."
    exit 1
fi

# Create the new netplan configuration
sudo tee /etc/cloud/cloud.cfg.d/90-installer-network.cfg << EOL
network:
    version: 2
    ethernets:
        enp1s0:
            dhcp4: ${DHCP}
EOL

# If DHCP is false, add static IP configuration
if [ "$DHCP" = "false" ]; then
    sudo tee -a /etc/cloud/cloud.cfg.d/90-installer-network.cfg << EOL
            addresses:
                - ${IP}
            routes:
                - to: default
                  via: ${GATEWAY}
            nameservers:
                addresses: [${NAMESERVER1}, ${NAMESERVER2}, ${NAMESERVER3}]
EOL
fi

# Set the hostname
sudo hostnamectl set-hostname "${HOSTNAME}"
echo "${HOSTNAME}" | sudo tee /etc/hostname > /dev/null

# Update /etc/hosts
sudo sed -i "s/127.0.1.1.*/127.0.1.1\t${HOSTNAME}/" /etc/hosts

echo "System configuration completed successfully"

# Apply network configuration in the background and exit before it takes effect
# nohup bash -c "(sleep 2 && sudo netplan apply) &" > /dev/null 2>&1
# exit 0

nohup bash -c "(sleep 2 && sudo reboot) &" > /dev/null 2>&1
exit 0