#!/bin/bash
#
# Simple wrapper around VBoxManage.
#

# Parameters
BASENAME="`basename $0`"
COMMAND="$1"
VM="$2"

# Usage
function usage {
  echo "usage: $BASENAME <command> [vm]"
  exit 1
}

# Build options
if [ ! -z "$VM" ]; then
  if [ "$COMMAND" == "up" ]; then
    OPTIONS=""
    COMMAND="startvm"
  elif [ "$COMMAND" == "down" ]; then
    OPTIONS="savestate"
    COMMAND="controlvm"
  elif [ "$COMMAND" == "halt" ]; then
    OPTIONS="poweroff"
    COMMAND="controlvm"
  else
    usage
  fi
elif [ "$COMMAND" == "status" ]; then
  OPTIONS="runningvms"
  COMMAND="list"
else
  usage
fi

# Dispatch
VBoxManage $COMMAND $VM $OPTIONS