#!/usr/bin/env ruby

# Trap interrupts to quit cleanly.
Signal.trap("INT") { exit 1 }

require "rubygems"
$:.unshift(File.expand_path(File.join(File.dirname(__FILE__), "..", "lib")))

require "chef_zero/log"
require "chef_zero/version"
require "chef_zero/server"
require "chef_zero/data_store/raw_file_store"
require "optparse"

def parse_port(port)
  array = []
  port.split(",").each do |part|
    a, b = part.split("-", 2)
    if b
      array = array.concat(a.to_i.upto(b.to_i).to_a)
    else
      array = array.concat([a.to_i])
    end
  end
  array
end

options = {}

OptionParser.new do |opts|
  opts.banner = "Usage: chef-zero [ARGS]"

  opts.on("-H", "--host HOST", "Host to bind to (default: 127.0.0.1)") do |value|
    options[:host] ||= []
    options[:host] << value
  end

  opts.on("-p", "--port PORT", "Port to listen on (e.g. 8889, or 8500-8600 or 8885,8888)") do |value|
    options[:port] ||= []
    options[:port] += parse_port(value)
  end

  opts.on("--[no-]generate-keys", "Whether to generate actual keys or fake it (faster).  Default: false.") do |value|
    options[:generate_real_keys] = value
  end

  opts.on("-d", "--daemon", "Run as a daemon process") do |value|
    options[:daemon] = value
  end

  opts.on("-l", "--log-level LEVEL", "Set the output log level") do |value|
    options[:log_level] = value
  end

  opts.on("--log-file FILE", "Log to a file") do |value|
    options[:log_file] = value
  end

  opts.on("--enterprise", "Whether to run in enterprise mode") do |value|
    options[:single_org] = nil
    options[:osc_compat] = false
  end

  opts.on("--multi-org", "Whether to run in multi-org mode") do |value|
    options[:single_org] = nil
  end

  opts.on("--file-store PATH", "Persist data to files at the given path") do |value|
    options[:data_store] = ChefZero::DataStore::RawFileStore.new(value)
  end

  opts.on("--[no-]ssl", "Use SSL with self-signed certificate(Auto generate before every run).  Default: false.") do |value|
    options[:ssl] = value
  end

  opts.on_tail("-h", "--help", "Show this message") do
    puts opts
    exit
  end

  opts.on_tail("--version", "Show version") do
    puts ChefZero::VERSION
    exit
  end
end.parse!

if options[:data_store]
  options[:data_store] = ChefZero::DataStore::DefaultFacade.new(options[:data_store], options[:single_org], false)
end

if options[:log_file]
  ChefZero::Log.init(options[:log_file])
end

server = ChefZero::Server.new(options)

if options[:daemon]
  if Process.respond_to?(:daemon)
    Process.daemon(true)
    server.start(true)
  else
    if ENV["OS"] == "Windows_NT"
      abort "Daemonization is not supported on Windows. Running 'start chef-zero' will fork the process."
    else
      abort "Process.daemon requires Ruby >= 1.9"
    end
  end
else
  server.start(true)
end