#!/usr/bin/env ruby
#
#
# = Jerbil Service Stop
#
# == stops a jerbil service
#
# Author:: Robert Sharp
# Copyright:: Copyright (c) 2012 Robert Sharp
# License:: Open Software Licence v3.0
#
# This software is licensed for use under the Open Software Licence v. 3.0
# The terms of this licence can be found at http://www.opensource.org/licenses/osl-3.0.php
# and in the file copyright.txt. Under the terms of this licence, all derivative works
# must themselves be licensed under the Open Software Licence v. 3.0
#
# This script should be used to stop a jerbil service, typically through the jerbil init script.
#
require 'rubygems'

require 'jerbil'
require 'jerbil/servers'
require 'jerbil/version'
require 'jerbil/config'
require 'jerbil/support'

require 'optparse'

# force quiet to suppress client output regardless of whether verbose is selected
options = Hash.new

verbose = false
config_file = nil
env = :null
quiet = nil
OptionParser.new do |opts|

  opts.banner = "Usage: jerbil-status [opts]"
  opts.separator ""
  opts.separator " stop the given Jerbil Service"
  opts.separator ""

  opts.on("-n", "--no-daemon", "Do not daemonize") do
    daemonize = false
  end

  opts.on("-S", "--no-syslog", "Do not log to syslog") do
    log_to_syslog = false
  end

  opts.on("-c", "--config [file]", String, "use this config file to find Jerbil" ) do |cfile|
    if FileTest.readable?(cfile) then
      options = Jerbil.get_config(cfile)
    else
      puts "Config file cannot be read."
      exit 1
    end
  end

  opts.on("-e", "--environment [TYPE]", [:prod, :test, :dev], "Select env (prod, test, dev), default is prod") do |e|
    env = e
  end

  opts.on("-V", "--verbose", "output more information about what is going on ") do
    verbose = true
  end

  opts.on("-q", "--quiet", "output nothing") do
    quiet = true
  end

  opts.on("-h", "--help", "Provide Help") do |h|
    opts.separator ""
    puts opts
    exit 0
  end

end.parse!

puts "Check status of the local Jerbil Server" if verbose
#puts "Version: jerbil-" + Jerbil::Version + " [#{Jerbil::Version_Date}]" if verbose

#options = Jerbil::Config.new(config_file)
#servers = options[:servers]

#server_env = nil
if env != :null then
  server_env = env
else
  server_env = options[:environment] || :prod
end

puts "Running with environment: #{server_env}" if verbose

local = Jerbil::Servers.get_local_server(server_env)

if local.nil? then
  puts "Cannot find record for a local Jerbil Server" if verbose
  exit 1
end

puts "Found local Jerbil Server record" if verbose


begin
  jerbild = local.connect

  # see if you can verify?
  jerbild.verify
  if verbose then
    puts "Jerbil Server is running" 
    puts "  started on #{jerbild.started.strftime('%d-%m-%y %H:%M')}"
  end
  exit 0
rescue DRb::DRbConnError, Jerbil::ServerConnectError
  #fall back to pid killing
  puts "Failed to connect to the Jerbil Server" if verbose
  exit 1
end