require "rubygems"
 require "bundler"
 Bundler.setup
 

 port        = "4000"      # preview project port eg. http://localhost:4000

 site        = "public"    # compiled site directory

 source      = "source"    # source file directory
 stash       = "_stash"    # directory to stash posts for speedy generation
 posts       = "_posts"    # directory for blog files
 post_format = "markdown"  # file format for new posts when using the post rake task

 
 ## -- Rsync Deploy config -- ##

 ssh_user      = "user@host.com"    # for rsync deployment
 document_root = "~/document_root/" # for rsync deployment
 ## ---- ##
 

 ## -- Github Pages deploy config -- ##

 # Read http://pages.github.com for guidance

 # You can deploy to github pages with `rake push_github` or change the default push task below to :push_github

 # If you're not using this, you can remove it
 source_branch = "source" # this compiles to your deploy branch

 deploy_branch = "master" # For user pages, use "master" for project pages use "gh-pages"

 ## ---- ##

 def ok_failed(condition)
   if (condition)
     puts "OK"
   else
     puts "FAILED"
   end
 end
 

 ## if you're deploying with github, change the default deploy to push_github
 desc "default push task"
 task :push => [:push_rsync] do

 end
 
 desc "Generate and deploy task"

 task :deploy => [:integrate, :generate, :clean_debug, :push] do

 end
 

 desc "generate website in output directory"

 task :generate => [:generate_site, :generate_style] do

   puts ">>> Site Generating Complete! <<<\n\n>>> Refresh your browser <<<"

 end
 

 # usage rake post[my-new-post] or rake post['my new post'] or rake post (defaults to "new-post")
 desc "Begin a new post in #{source}/_posts"
 task :post, :filename do |t, args|

   require './_plugins/titlecase.rb'

   args.with_defaults(:filename => 'new-post')

   open("#{source}/_posts/#{Time.now.strftime('%Y-%m-%d')}-#{args.filename.downcase.gsub(/[ _]/, '-')}.#{post_format}", 'w') do |post|

     post.puts "---"
     post.puts "title: \"#{args.filename.gsub(/[-_]/, ' ').titlecase}\""

     post.puts "date: #{Time.now.strftime('%Y-%m-%d %H:%M')}"
     post.puts "layout: post"

     post.puts "---"
   end
 end
 

 # usage rake isolate[my-post]
 desc "Move all other posts than the one currently being worked on to a temporary stash location (stash) so regenerating the site happens much quicker."
 task :isolate, :filename do |t, args|
   stash_dir = "#{source}/#{stash}"
   FileUtils.mkdir(stash_dir) unless File.exist?(stash_dir)
   Dir.glob("#{source}/#{posts}/*.*") do |post|
     FileUtils.mv post, stash_dir unless post.include?(args.filename)
   end
 end
 
 desc "Move all stashed posts back into the posts directory, ready for site generation."
 task :integrate do
   FileUtils.mv Dir.glob("#{source}/#{stash}/*.*"), "#{source}/#{posts}/"
 end
 

 desc "list tasks"

 task :list do

   puts "Tasks: #{(Rake::Task.tasks - [Rake::Task[:list]]).to_sentence}"

   puts "(type rake -T for more detail)\n\n"
 end
 
 desc "remove files in output directory"
 task :clean do

   puts ">>> Removing output <<<"

   Dir["#{site}/*"].each { |f| rm_rf(f) }
 end
 

 task :clean_debug do

   puts ">>> Removing debug pages <<<"

   Dir["#{site}/test"].each { |f| rm_rf(f) }

 end
 

 desc "Generate styles only"
 task :generate_style do

   puts ">>> Generating styles <<<"

   system "compass compile"

 end
 
 desc "Generate site files only"

 task :generate_site => [:clean, :generate_style] do

   puts "\n\n>>> Generating site files <<<"

   system "jekyll"

 end
 
 desc "Watch the site and regenerate when it changes"
 task :watch do

   system "trap 'kill $jekyllPid $guardPid' Exit; guard & guardPid=$!; jekyll --auto & jekyllPid=$!; wait"

 end
 

 desc "generate and deploy website via rsync"

 multitask :push_rsync do
   puts ">>> Deploying website via Rsync <<<"

   ok_failed system("rsync -avz --delete #{site}/ #{ssh_user}:#{document_root}")

 end
 

 desc "deploy website to github user pages"
 multitask :push_github do

   puts ">>> Deploying #{deploy_branch} branch to Github Pages <<<"

   require 'git'
   repo = Git.open('.')

   puts "\n>>> Checking out #{deploy_branch} branch <<<\n"

   repo.branch("#{deploy_branch}").checkout

   (Dir["*"] - ["#{site}"]).each { |f| rm_rf(f) }

   Dir["#{site}/*"].each {|f| mv(f, ".")}

   rm_rf("#{site}")
   puts "\n>>> Moving generated /#{site} files <<<\n"

   Dir["**/*"].each {|f| repo.add(f) }
   repo.status.deleted.each {|f, s| repo.remove(f)}

   puts "\n>>> Commiting: Site updated at #{Time.now.utc} <<<\n"

   message = ENV["MESSAGE"] || "Site updated at #{Time.now.utc}"
   repo.commit(message)

   puts "\n>>> Pushing generated /#{site} files to #{deploy_branch} branch <<<\n"

   repo.push

   puts "\n>>> Github Pages deploy complete <<<\n"

   repo.branch("#{source_branch}").checkout

 end
 

 desc "start up a web server on the output files"
 task :start_server => :stop_server do
   print "Starting serve..."
   system("serve #{site} #{port} > /dev/null 2>&1 &")
   sleep 1
   pid = `ps auxw | awk '/bin\\/serve #{site} #{port}/ { print $2 }'`.strip
   ok_failed !pid.empty?
   system "open http://localhost:#{port}" unless pid.empty?

 end
 

 desc "stop the web server"
 task :stop_server do
   pid = `ps auxw | awk '/bin\\/serve #{site} #{port}/ { print $2 }'`.strip

   if pid.empty?

     puts "Adsf is not running"

   else

     print "Stoping adsf..."

     ok_failed system("kill -9 #{pid}")
   end
 end
 
 desc "preview the site in a web browser"

 task :preview do
   system "trap 'kill $servePid $jekyllPid $guardPid' Exit; serve #{site} #{port} > /dev/null 2>&1 & servePid=$!; jekyll --auto & jekyllPid=$!; guard & guardPid=$!; compass compile; open http://localhost:#{port}; wait"

 end