#!/usr/bin/env ruby

# Add our lib/ directory to the path
libdir = File.expand_path(File.join(File.dirname(File.dirname(__FILE__)), "lib"))
$LOAD_PATH.unshift(libdir) unless $LOAD_PATH.include?(libdir)

moredir = File.expand_path(File.join(File.dirname(File.dirname(libdir)), "middleman-more", "lib", "middleman-more"))
$LOAD_PATH.unshift(moredir) unless $LOAD_PATH.include?(moredir)

# Core Pathname library used for traversal
require "pathname"

# Recursive method to find config.rb
def locate_root(cwd = Pathname.new(Dir.pwd))
  return cwd.to_s if (cwd + 'config.rb').exist?
  return false if cwd.root?
  locate_root(cwd.parent)
end

# Only look for config.rb if MM_ROOT isn't set
if !ENV["MM_ROOT"] && found_path = locate_root
  ENV["MM_ROOT"] = found_path
end

is_bundler_setup = false

# If we've found the root, try to setup Bundler
if ENV["MM_ROOT"]
  
  root_gemfile = File.expand_path('Gemfile', ENV["MM_ROOT"])
  ENV['BUNDLE_GEMFILE'] ||= root_gemfile
  
  if !File.exists?(ENV['BUNDLE_GEMFILE'])
    git_gemfile = Pathname.new(__FILE__).expand_path.parent.parent.parent + "Gemfile"
    ENV['BUNDLE_GEMFILE'] = git_gemfile.to_s
  end
  
  if File.exists?(ENV['BUNDLE_GEMFILE'])
    is_bundler_setup = true
    require 'bundler/setup'
  end
end

# Automatically discover extensions in RubyGems
require "middleman-core/extensions"

if is_bundler_setup
  Bundler.require
else
  ::Middleman.load_extensions_in_path
end

require "middleman-core/cli"

# Change flag to a module
ARGV.unshift("help") if ARGV.delete("--help")

# Default command is server
if ARGV[0] != "help" && (ARGV.length < 1 || ARGV.first.include?("-"))
  ARGV.unshift("server")
end

# Start the CLI
if ENV["MM_ROOT"]
  # Change directory to the root
  Dir.chdir(ENV["MM_ROOT"])
  Middleman::Cli::Base.start
else
  Middleman::Cli::Base.start
end