#!/usr/bin/ruby
#
# Nickserver key discovery daemon
#

#
# bootstrap nickserver library
#
begin                      # try without rubygems (might be already loaded or not present)
  require 'nickserver'
rescue LoadError
  begin                    # try with rubygems
    require 'rubygems'
    require 'nickserver'
  rescue LoadError         # try manually
    BASE_DIR = File.expand_path('../..', File.symlink?(__FILE__) ? File.readlink(__FILE__) : __FILE__)
    $LOAD_PATH << "#{BASE_DIR}/lib"
    require "nickserver"
  end
end

#
# Handle craceful Ctrl-C
#
Signal.trap("SIGINT") do
  puts "\nQuit"
  exit
end

#
# Handle '--version' ourselves
#
if ARGV.grep(/--version/).any?
  puts "nickserver #{Nickserver::VERSION}, ruby #{RUBY_VERSION}"
  exit(0)
end

#
# Start the daemon
#
require 'daemons'

options = {:app_name => 'nickserver', :multiple => false, :backtrace => true}

# pick where the pid file should go (must be readable/writable by current user)
if File.writable?('/var/run/nickserver')
  options.merge!(:dir_mode => :normal, :dir => '/var/run/nickserver')
elsif ENV["USER"] == "root"
  options.merge!(:dir_mode => :system)
else
  options.merge!(:dir_mode => :normal, :dir => '/tmp')
end

Daemons.run_proc('nickserver', options) do
  EventMachine.run do
    Nickserver::Server.start
  end
end