mcabber eventcmd osx notification via ruby

eventcmd

#!/usr/bin/env ruby

require 'terminal-notifier'

event, arg1, arg2, filename = ARGV

history = "#{Dir.home}/.mcabber/histo"
filename = "#{history}/#{arg2}"

log = File.open "#{Dir.home}/.mcabber/eventcmd.log", 'a'
log.write "#{event}, #{arg1}, #{arg2}, #{filename}\n"
log.write "filename: #{filename}\n"

def notify(msg, arg2)
  # TerminalNotifier.notify(msg, title: "Mcabber", subtitle: "#{arg2}", sound: 'default', activate: 'com.apple.Terminal') # terminal
  TerminalNotifier.notify(msg, title: "Mcabber", subtitle: "#{arg2}", sound: 'default', activate: 'com.googlecode.iterm2') # iterm2
end

case event
when "MSG"
  case arg1
  when "IN"
    if filename && File.exists?(filename)
      file = File.open(filename).to_a
      msg = file.last[26..-1]
    else
      msg = "file not found"
    end

    notify(msg, arg2)
  when "OUT"
  end
when "STATUS"
  msg = {
    "O" => "online",
    "F" => "chat",
    "A" => "away",
    "N" => "xa",
    "D" => "dnd",
    "I" => "invisible",
    "_" => "offline",
    "?" => "error",
    "X" => "requested"
  }[arg1.to_s]
  notify(msg, arg2)
when "UNREAD"
end