function temp_internet --description "Temporarily add or remove Internet access from a VM"
    set -l action $argv[1]
    set -l vmid   $argv[2]

    if test -z "$action"
        echo "Usage: temp_internet {add|rm} <vmid> [ip/cidr] [gateway] [bridge] [model]"
        return 1
    end

    if test -z "$vmid"
        echo "Error: VMID is required."
        return 1
    end

    switch $action
        case add
            set -l ip $argv[3]
            set -l gateway $argv[4]
            set -l bridge $argv[5]
            set -l model $argv[6]

            test -n "$ip";      or set ip      $PROXMOX_TEMP_INTERNET_IP
            test -n "$gateway"; or set gateway $PROXMOX_TEMP_INTERNET_GATEWAY
            test -n "$bridge";  or set bridge  $PROXMOX_TEMP_INTERNET_BRIDGE
            test -n "$model";   or set model   $PROXMOX_TEMP_INTERNET_MODEL

            if test -z "$ip"
                echo "Error: No IP specified and PROXMOX_TEMP_INTERNET_IP is not configured."
                return 1
            end

            if test -z "$gateway"
                echo "Error: No gateway specified and PROXMOX_TEMP_INTERNET_GATEWAY is not configured."
                return 1
            end

            if test -z "$bridge"
                echo "Error: PROXMOX_TEMP_INTERNET_BRIDGE is not configured."
                return 1
            end

            if test -z "$model"
                echo "Error: PROXMOX_TEMP_INTERNET_MODEL is not configured."
                return 1
            end

            set -l vmname (qm config $vmid | awk -F': ' '/^name:/ { print $2 }')

            echo "Adding temporary Internet access to VM $vmid ($vmname)"
            echo "  IP:      $ip"
            echo "  Gateway: $gateway"
            echo "  Bridge:  $bridge"
            echo "  Model:   $model"

            read -l -P "Continue? [y/N]: " confirm

            if test "$confirm" != y
                echo "Aborted."
                return 1
            end

            qm set $vmid \
                --net1 "$model,bridge=$bridge" \
                --ipconfig1 "ip=$ip,gw=$gateway"

            or return

            restartvm $vmid

        case rm
            set -l vmname (qm config $vmid | awk -F': ' '/^name:/ { print $2 }')

            echo "Removing temporary Internet access from VM $vmid ($vmname)"

            read -l -P "Continue? [y/N]: " confirm

            if test "$confirm" != y
                echo "Aborted."
                return 1
            end

            qm set $vmid --delete net1
            or return

            qm set $vmid --delete ipconfig1
            or return

            restartvm $vmid

        case '*'
            echo "Usage: temp_internet {add|rm} <vmid> [ip/cidr] [gateway] [bridge] [model]"
            return 1
    end
end