#!/bin/bash
NO_FORMAT="\e[0m"
F_BOLD="\e[1m"
C_GREEN="\e[38;5;40m"
C_RED="\e[38;5;9m"
C_YELLOW="\033[38;5;226m"

ip link show up | grep -v 'lo:'

if systemctl is-active --quiet NetworkManager; then
    sudo systemctl stop NetworkManager
    sudo pkill -f NetworkManager 2>/dev/null || true
    for iface in $(ip link show | grep -v 'lo:' | awk -F': ' '{print $2}' | grep -v '^$'); do
    if [[ "$iface" != "docker0" ]] && [[ "$iface" != "br-"* ]] && [[ "$iface" != "veth"* ]]; then
    sudo ip link set "$iface" down 2>/dev/null || true
    fi
    done
    echo -e "${C_YELLOW}Networking is now ${F_BOLD}${C_RED}inactive${NO_FORMAT}"
else
    sudo systemctl start NetworkManager
    for iface in $(ip link show | grep -v 'lo:' | awk -F': ' '{print $2}' | grep -v '^$'); do
    if [[ "$iface" != "docker0" ]] && [[ "$iface" != "br-"* ]] && [[ "$iface" != "veth"* ]]; then
    sudo ip link set "$iface" up 2>/dev/null || true
    fi
    done
    echo -e "${C_YELLOW}Networking is now ${F_BOLD}${C_GREEN}active${NO_FORMAT}"
fi