#!/usr/bin/env bash

## Script to toggle WireGuard tunnel using wg command for state determination

# Define the WireGuard interface name
WG_INTERFACE="wg0"

# Function to check if WireGuard interface is active
is_wg_active() {
    sudo /usr/bin/wg show | grep -q "interface"
}

if is_wg_active; then
    # If the interface is active, disable it
    sudo /usr/bin/wg-quick down "$WG_INTERFACE"
    if ! is_wg_active; then
        notify-send -h string:x-canonical-private-synchronous:sys-notify -u low -i network-vpn "WireGuard Tunnel" "Tunnel Deactivated"
    else
        notify-send --urgency=critical -i network-vpn "WireGuard Tunnel" "Error: Failed to deactivate tunnel"
    fi
else
    # If the interface is not active, enable it
    sudo /usr/bin/wg-quick up "$WG_INTERFACE"
    if is_wg_active; then
        notify-send -h string:x-canonical-private-synchronous:sys-notify -u low -i network-vpn "WireGuard Tunnel" "Tunnel Activated"
    else
        notify-send --urgency=critical -i network-vpn "WireGuard Tunnel" "Error: Failed to activate tunnel"
    fi
fi