#!/usr/bin/ruby

# = Bluth: the queuing system.
# 
#
# Usage:
# 
#     $ bluth -h
#     $ bluth -Ipath/2/inc -ryourlib start
#     $ bluth -Ipath/2/inc -ryourlib stop
#
#--

# Put our local lib in first place
BASE_PATH = File.expand_path File.join(File.dirname(__FILE__), '..')
$:.unshift File.join(BASE_PATH, 'lib')

require 'bluth'
require 'bluth/cli'

autoload :Rye, 'rye'
autoload :Annoy, 'annoy'

# Command-line interface for bin/bluth
class Bluth::CLI::Definition
  extend Drydock

  debug :on
  
  global :Y, :auto, "Auto confirm"
  global :d, :database, Integer, "Redis database"
  global :e, :environment, String
  global :d, :daemon, "Start as a daemon"
  global :D, :debug do
    Familia.debug = true
  end
  global :U, :uri, String, "Redis connection URI" do |v|
    uri = URI.parse v
    Bluth.uri = uri
  end
  global :v, :verbose, "Increase output" do 
    @verbose ||= 0
    @verbose += 1
  end
  global :I, :include, String, "Add a load path" do |v|
    $LOAD_PATH << v
  end
  global :R, :require, String, "Require a library" do |v|
    $LOAD_PATH << 'lib' if File.exists? 'lib'
    begin
      require v
    rescue LoadError => ex
      puts ex.message
      exit
    end
  end
  global :V, :version, "Display version" do 
    puts "Version: #{Bluth::VERSION.to_s}"
    exit 0
  end
  
  before do |obj|
    obj.global.environment ||= 'dev'
    Bluth.env = obj.global.environment
  end
  
  #TODO: command :enqueue
  
  #option :o, :ontheminute, "Start the worker precisely on the minute"
  command :start_worker => Bluth::CLI
  command :start_scheduler => Bluth::CLI
  
  option :f, :force
  command :stop_workers => Bluth::CLI
  option :f, :force
  command :stop_worker => Bluth::CLI
  option :f, :force
  command :stop_scheduler => Bluth::CLI
  
  about "Stop the oldest worker and start a new instance in its place."
  #option :o, :ontheminute, "Start the worker precisely on the minute"
  command :replace_worker => Bluth::CLI
  
  command :workers => Bluth::CLI  
  command :schedulers => Bluth::CLI
  
  #command :flush_workers => Bluth::CLI  
end

begin
  Drydock.run!(ARGV, STDIN) if Drydock.run? && !Drydock.has_run?
rescue Drydock::ArgError, Drydock::OptError => ex
  STDERR.puts ex.message
  STDERR.puts ex.usage
rescue Drydock::InvalidArgument => ex
  STDERR.puts ex.message
rescue Drydock::UnknownCommand => ex
  STDERR.puts "Unknown command: %s" % ex.name
rescue Interrupt
  puts $/, "Exiting..."
  exit 1
rescue => ex
  STDERR.puts "ERROR (#{ex.class.to_s}): #{ex.message}"
  STDERR.puts ex.backtrace #if Familia.debug
end