require 'active_support'
 

 port = "4000"     # preview project port eg. http://localhost:4000
 site = "site"     # compiled site directory
 source = "source" # source file directory

 # MUST CHANGE FOR YOUR PROJECT
 site_url = "http://yoursite.com"   # deployed site url
 ssh_user      = "user@host.com"    # for rsync deployment
 document_root = "~/document_root/" # for rsync deployment

 def ok_failed(condition)
   if (condition)
     puts "OK"
   else
     puts "FAILED"
   end
 end
 
 desc "list tasks"
 task :default do
   puts "Tasks: #{(Rake::Task.tasks - [Rake::Task[:default]]).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
 
 desc "generate website in output directory"
 task :generate => :clean do
   puts "Generating website..."
   system "jekyll"
   Dir["#{site}/stylesheets/*.sass"].each { |f| rm_rf(f) }

   system "compass"

   system "mv #{site}/atom.html #{site}/atom.xml"

 end
 

 def rebuild_site(relative)
   puts ">>> Change Detected to: #{relative} <<<"
   IO.popen('rake generate'){|io| print(io.readpartial(512)) until io.eof?}
   puts '>>> Update Complete <<<'
 end
 
 desc "Watch the site and regenerate when it changes"
 task :watch do
   require 'fssm'
   puts ">>> Watching for Changes <<<"
   FSSM.monitor("#{File.dirname(__FILE__)}/#{source}", '**/*') do
     update {|base, relative| rebuild_site(relative)}
     delete {|base, relative| rebuild_site(relative)}
     create {|base, relative| rebuild_site(relative)}
   end
 end
 

 desc "generate and deploy website"
 task :deploy => :generate do
   print "Deploying website..."

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

 end
 
 desc "start up an instance of serve on the output files"
 task :start_serve => :stop_serve do
   cd "#{site}" do
     print "Starting serve..."
     ok_failed system("serve #{port} > /dev/null 2>&1 &")
   end
 end
 
 desc "stop all instances of serve"
 task :stop_serve do
   pid = `ps auxw | awk '/bin\\/serve\\ #{port}/ { print $2 }'`.strip
   if pid.empty?
     puts "Serve is not running"
   else
     print "Stoping serve..."
     ok_failed system("kill -9 #{pid}")
   end
 end
 
 desc "preview the site in a web browser"
 multitask :preview => [:generate, :start_serve] do
   system "open http://localhost:#{port}"

 end
 
 
 desc "Build an XML sitemap of all html files."
 task :sitemap => :generate do
   html_files = FileList.new("#{site}/**/*.html").map{|f| f[("#{site}".size)..-1]}.map do |f|
     if f.ends_with?("index.html")
       f[0..(-("index.html".size + 1))]
     else
       f
     end
   end.sort_by{|f| f.size}
   open("#{site}/sitemap.xml", 'w') do |sitemap|
     sitemap.puts %Q{<?xml version="1.0" encoding="UTF-8"?>}
     sitemap.puts %Q{<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">}
     html_files.each do |f|
       priority = case f
       when %r{^/$}
         1.0
       when %r{^/blog}
         0.9
       else
         0.8
       end
       sitemap.puts %Q{  <url>}
       sitemap.puts %Q{    <loc>#{site_url}#{f}</loc>}
       sitemap.puts %Q{    <lastmod>#{Time.to_s('%Y-%m-%d')}</lastmod>}
       sitemap.puts %Q{    <changefreq>weekly</changefreq>}
       sitemap.puts %Q{    <priority>#{priority}</priority>}
       sitemap.puts %Q{  </url>}
     end
     sitemap.puts %Q{</urlset>}
     puts "Created #{site}/sitemap.xml"
   end

 end