require "rubygems"

 require "bundler/setup"

 ## -- Rsync Deploy config -- ##
 # Be sure your public key is listed in your server's ~/.ssh/authorized_keys file

 ssh_user       = "user@domain.com"
 document_root  = "~/website.com/"
 deploy_default = "rsync"
 
 # This will be configured for you when you run config_deploy
 deploy_branch  = "gh-pages"

 
 ## -- Misc Configs, you probably have no reason to changes these -- ##
 

 public_dir  = "public"    # compiled site directory
 source_dir  = "source"    # source file directory
 deploy_dir  = "_deploy"    # deploy directory (for Github pages deployment)
 stash_dir   = "_stash"    # directory to stash posts for speedy generation
 posts_dir   = "_posts"    # directory for blog files

 themes_dir  = ".themes"    # directory for blog files

 post_format = "markdown"  # file format for new posts when using the post rake task

 desc "Initial setup for Octopress: copies the default theme into the path of Jekyll's generator. rake install defaults to rake install[classic] to install a different theme run rake install[some_theme_name]"
 task :install, :theme do |t, args|
   # copy theme into working Jekyll directories
   theme = args.theme || 'classic'

   puts "## Copying "+theme+" theme into ./#{source_dir} ./sass and ./plugins "

   mkdir_p source_dir
   cp_r "#{themes_dir}/#{theme}/source/.", source_dir
   mkdir_p "sass"
   cp_r "#{themes_dir}/#{theme}/sass/.", "sass"
   mkdir_p "plugins"
   cp_r "#{themes_dir}/#{theme}/plugins/.", "plugins"
   mkdir_p "#{source_dir}/#{posts_dir}"
   mkdir_p public_dir

 end
 

 #######################
 # Working with Jekyll #
 #######################

 desc "Generate jekyll site"
 task :generate do
   puts "## Generating Site with Jekyll"
   system "jekyll"
 end
 

 desc "Watch the site and regenerate when it changes"
 task :watch do
   system "trap 'kill $jekyllPid $compassPid' Exit; jekyll --auto & jekyllPid=$!; compass watch & compassPid=$!; wait"

 end
 

 desc "preview the site in a web browser"
 task :preview do
   system "trap 'kill $jekyllPid $compassPid' Exit; jekyll --auto --server & jekyllPid=$!; compass watch & compassPid=$!; wait"

 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_dir}/#{posts_dir}"

 task :post, :filename do |t, args|

   require './plugins/titlecase.rb'

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

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

     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 "categories: []"

     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_dir}/#{stash_dir}"

   FileUtils.mkdir(stash_dir) unless File.exist?(stash_dir)

   Dir.glob("#{source_dir}/#{posts_dir}/*.*") 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_dir}/#{stash_dir}/*.*"), "#{source_dir}/#{posts_dir}/"

 end
 

 desc "Clean out caches: _code_cache, _gist_cache, .sass-cache"
 task :clean do
   system "rm -rf _code_cache/** _gist_cache/** .sass-cache/**"
 end
 

 ##############
 # Deploying  #
 ##############
 

 desc "Default deploy task"
 task :deploy => "#{deploy_default}" do
 end
 

 desc "Deploy website via rsync"

 task :rsync do

   puts "## Deploying website via Rsync"

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

 end
 

 desc "deploy public directory to github pages"

 task :push do

   puts "## Deploying branch to Github Pages "
   (Dir["#{deploy_dir}/*"]).each { |f| rm_rf(f) }
   system "cp -R #{public_dir}/ #{deploy_dir}"
   puts "\n## copying #{public_dir} to #{deploy_dir}"
   cd "#{deploy_dir}" do
     system "git add ."
     system "git add -u"
     puts "\n## Commiting: Site updated at #{Time.now.utc}"
     message = "Site updated at #{Time.now.utc}"
     system "git commit -m '#{message}'"
     puts "\n## Pushing generated #{deploy_dir} website"

     system "git push origin #{deploy_branch}"

     puts "\n## Github Pages deploy complete"
   end

 end
 

 desc "Update configurations to support publishing to root or sub directory"
 task :set_root_dir, :dir do |t, args|
   puts ">>> !! Please provide a directory, eg. rake config_dir[publishing/subdirectory]" unless args.dir
   if args.dir
     if args.dir == "/"
       dir = ""
     else
       dir = "/" + args.dir.sub(/(\/*)(.+)/, "\\2").sub(/\/$/, '');
     end
     rakefile = IO.read(__FILE__)
     rakefile.sub!(/public_dir(\s*)=(\s*)(["'])[\w\-\/]*["']/, "public_dir\\1=\\2\\3public#{dir}\\3")
     File.open(__FILE__, 'w') do |f|
       f.write rakefile
     end
     compass_config = IO.read('config.rb')
     compass_config.sub!(/http_path(\s*)=(\s*)(["'])[\w\-\/]*["']/, "http_path\\1=\\2\\3#{dir}/\\3")
     compass_config.sub!(/http_images_path(\s*)=(\s*)(["'])[\w\-\/]*["']/, "http_images_path\\1=\\2\\3#{dir}/images\\3")
     compass_config.sub!(/http_fonts_path(\s*)=(\s*)(["'])[\w\-\/]*["']/, "http_fonts_path\\1=\\2\\3#{dir}/fonts\\3")
     compass_config.sub!(/css_dir(\s*)=(\s*)(["'])[\w\-\/]*["']/, "css_dir\\1=\\2\\3public#{dir}/stylesheets\\3")
     File.open('config.rb', 'w') do |f|
       f.write compass_config
     end
     jekyll_config = IO.read('_config.yml')
     jekyll_config.sub!(/^destination:.+$/, "destination: public#{dir}")
     jekyll_config.sub!(/^subscribe_rss:.+$/, "subscribe_rss: #{dir}/atom.xml")
     jekyll_config.sub!(/^root:.*$/, "root: #{dir}")
     File.open('_config.yml', 'w') do |f|
       f.write jekyll_config
     end
     mkdir_p "public#{dir}"
   end
 end
 
 desc "Setup _deploy folder and deploy branch"

 task :config_deploy, :branch do |t, args|

   puts "!! Please provide a deploy branch, eg. rake init_deploy[gh-pages] !!" unless args.branch
   puts "## Creating a clean #{args.branch} branch in ./#{deploy_dir} for Github pages deployment"

   cd "#{deploy_dir}" do

     system "git symbolic-ref HEAD refs/heads/#{args.branch}"
     system "rm .git/index"
     system "git clean -fdx"

     system "echo 'My Octopress Page is coming soon …' > index.html"

     system "git add ."

     system "git commit -m 'Octopress init'"
     rakefile = IO.read(__FILE__)
     rakefile.sub!(/deploy_branch(\s*)=(\s*)(["'])[\w-]*["']/, "deploy_branch\\1=\\2\\3#{args.branch}\\3")
     rakefile.sub!(/deploy_default(\s*)=(\s*)(["'])[\w-]*["']/, "deploy_default\\1=\\2\\3push\\3")
     File.open(__FILE__, 'w') do |f|
       f.write rakefile
     end

   end

   puts "## Deployment configured. Now you can deploy to the #{args.branch} branch with `rake deploy` ##"

 end

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