#!/bin/sh

# Select action
CHOICE=$(printf "virt-manager\nstart\nshutdown" | dmenu -i -p "Choose an action:")
[ -z "$CHOICE" ] && exit 1

# Get list of VMs based on state
case "$CHOICE" in
virt-manager) setsid -f virt-manager && exit ;;
start) VMLIST=$(virsh --connect qemu:///system list --all | awk '/shut off/ {print $2}') ;;
shutdown) VMLIST=$(virsh --connect qemu:///system list --all | awk '/running/ {print $2}') ;;
*) exit 1 ;;
esac

# Select a VM from the list
VM=$(printf "%s\n" "$VMLIST" | dmenu -i -p "$CHOICE which VM?")
[ -z "$VM" ] && exit 1

# Perform the action
case "$CHOICE" in
start)
  virsh --connect qemu:///system start "$VM" &&
    setsid -f virt-viewer --connect qemu:///system "$VM" >/dev/null 2>&1
  ;;
shutdown)
  virsh --connect qemu:///system shutdown "$VM"
  ;;
esac