#!/usr/local/bin/ruby

if RUBY_VERSION < "1.8.1" 
  puts "Instiki requires Ruby 1.8.1+" 
  exit
end
 
require 'optparse'
require 'fileutils'

cdir = File.expand_path(File.dirname(__FILE__))
%w( /libraries/ /app/models /app/controllers ).each { |dir| $:.unshift(cdir + dir) }
%w( web_controller_server action_controller_servlet wiki_service wiki ).each { |lib| require lib }

fork_available = true
begin
  exit unless fork
rescue NotImplementedError
  fork_available = false
end

begin
  pdflatex_available = system "pdflatex -version"
rescue Errno::ENOENT
  pdflatex_available = false
end

OPTIONS = {
  :server_type => fork_available ? Daemon : SimpleServer,
  :port        => 2500,
  :storage     => "#{File.expand_path(FileUtils.pwd)}/storage",
  :pdflatex    => pdflatex_available
}

ARGV.options do |opts|
  script_name = File.basename($0)
  opts.banner = "Usage: ruby #{script_name} [options]"

  opts.separator ""

  opts.on("-p", "--port=port", Integer,
          "Runs Instiki on the specified port.",
          "Default: 2500") { |OPTIONS[:port]| }
  opts.on("-s", "--simple", "--simple-server",
          "Forces Instiki not to run as a Daemon if fork is available."
          ) { OPTIONS[:server_type] = SimpleServer }
  opts.on("-t", "--storage=storage", String,
          "Makes Instiki use the specified directory for storage.",
          "Default: ./storage/[port]") { |OPTIONS[:storage]| }

  opts.separator ""

  opts.on("-h", "--help",
          "Show this help message.") { puts opts; exit }

  opts.parse!
end

Socket.do_not_reverse_lookup = true

storage_dir = OPTIONS[:storage] + "/" + OPTIONS[:port].to_s
FileUtils.mkdir_p(storage_dir)
WikiService.storage_path = storage_dir

WikiController.template_root = "#{cdir}/app/views/"

WebControllerServer.new(OPTIONS[:port], OPTIONS[:server_type], "#{cdir}/app/controllers/")