require 'find'

# To use these recipes, add the following to your Capfile:
# require 'ruboss4ruby/rails/recipes'

Capistrano::Configuration.instance(:must_exist).load do
  after "deploy:setup", "deploy:flex:setup"

  namespace :db do
    desc "runs db:refresh in the latest release directory."  
    task :refresh, :roles => :db do
       run("cd #{latest_release} && rake db:refresh RAILS_ENV=production")
    end
  end

  namespace :deploy do
    namespace :flex do
    
      desc "Creates the flex_files directory in the shared directory"
      task :setup do
        flex_dir = File.join(shared_path, 'flex_files')
        run "#{try_sudo} mkdir -p #{flex_dir} && #{try_sudo} chmod g+w #{flex_dir}"
      end    

      desc "uploads everything in public/bin up to the server"
      task :via_dumb_copy, :roles => :app do
        # the -p flag on mkdir makes intermediate directories (i.e. both /bin and /bin/history), 
        # and doesn't raise an error if any of the directories already exist.
        rails_root = Dir.pwd # You have to run cap tasks from RAILS_ROOT anyways
        base_dir = File.join(rails_root, 'public', 'bin')
        ec2_base_dir = File.join(shared_path, 'flex_files')
    
        Find.find(base_dir) do |file| 
          filename_without_base_dir = file.sub(base_dir, '')
          if File.directory?(file)
            run "mkdir -p #{File.join(ec2_base_dir, filename_without_base_dir)}"
          else
            content = File.open(file, 'rb') {|f| f.read}
            put content, File.join(ec2_base_dir, filename_without_base_dir)
          end
        end
      end

      desc "synchronizes the local and remote public/bin directories using rsync"
      task :via_rsync, :roles => :app do      
        username = user || ENV['USER']
        rails_root = Dir.pwd # You have to run cap tasks from RAILS_ROOT anyways
        execute_on_servers do |server|
          `rsync -r -p -v -e \"ssh -i #{ssh_options[:keys]}\" #{File.join(rails_root, 'public', 'bin')}/ #{username}@#{server}:#{File.join(shared_path, 'flex_files')}/`
        end
      end
  
      task :make_symlink, :roles => :app do
        run "ln -s #{shared_path}/flex_files #{release_path}/public/bin"
      end
    end
  end
end