#!/usr/bin/env ruby

# Non-blocking site rebuilding
trap("TSTP") do
  fork do
    require "open3"
    first_run = true
    Open3.popen3(%Q{cd "#{Dir.pwd}" && #{File.join(File.dirname(__FILE__), "mm-build")} | grep FORCED}) do |stdin, stdout, stderr|
      puts "\n== Building the site..."
      stdout.readlines.each do |l|
        puts "== Updated:" if first_run
        puts " " + l.split("[FORCED]").last.chomp
        first_run = false
      end
      puts "== Build complete"
    end
  end
end

require 'optparse'

# Require Middleman
require File.join(File.dirname(__FILE__), '..', 'lib', 'middleman')

env = ENV['MM_ENV'] || ENV['RACK_ENV'] || 'development'
options = { :Port => 4567, :AccessLog => [] }

OptionParser.new { |opts|
  opts.banner = "Usage: mm-server [rack options]"
  opts.separator ""
  opts.separator "Rack options:"
  opts.on("-p", "--port PORT", "use PORT (default: 4567)") { |port|
    options[:Port] = port
  }
  opts.on("-E", "--env ENVIRONMENT", "use ENVIRONMENT for defaults (default: development)") { |e|
    env = e
  }
  opts.on("--debug", "Debug mode") {
    ::Middleman::Server.set :logging, true
  }

  opts.parse! ARGV
}

ENV['RACK_ENV'] = env

@current_path = Dir.pwd
@path_parts = @current_path.split("/")
@found_root = false

while (!@found_root && (@path_parts.length > 0))
  @current_path = File.join(*@path_parts)
  
  public_folder = File.join(@current_path, "public")
  views_folder  = File.join(@current_path, "views")
  
  if File.exists?(public_folder) && File.exists?(views_folder)
    @found_root = true
    next
  end
  
  @path_parts.pop
end

if !@found_root
  $stderr.puts "== Error: Could not find a Middleman project structure, perhaps you are in the wrong folder?"
  exit
end

# If the old init.rb exists, use it, but issue warning
old_config = File.join(@current_path, "init.rb")
if File.exists? old_config
  $stderr.puts "== Error: The init.rb file (deprecated) needs to be be renamed to config.rb"
  exit
end


# require 'shotgun'
# config = File.join(File.dirname(__FILE__), '..', 'lib', 'middleman', 'config.ru')
# app = Shotgun.new(config, &lambda { |inner_app| Middleman::Server })
Middleman::Server.root = @current_path
app = Middleman::Server.new

require 'rubygems'

unless defined?(JRUBY_VERSION)
  require 'thin'
  handler = Rack::Handler::Thin
else
  require 'kirk'
  require 'rack/handler/kirk'
  handler = Rack::Handler::Kirk
end

handler.run app, options do |inst|
  puts "== The Middleman is standing watch on port #{options[:Port]}"
end