#!/bin/sh

EN="BambooUs"
VI="Bamboo"

check() { pidof -q ibus-daemon; }
set() { ibus engine "$@"; }
toggle() {
  if [ "$(ibus engine)" = "$EN" ]; then
    set "$VI"
  else
    set "$EN"
  fi
}

case $1 in
  vi) check && set "$VI";;
  en) check && set "$EN";;
  *) check && toggle;;
esac