namespace :selenium do
  namespace :app_server do
    desc "Start a mongrel for the selenium environment on port 3001"
    task :start do
      rails_root = File.expand_path(File.dirname(__FILE__) + "/../..")
      pid_file = File.expand_path(rails_root + "/tmp/pids/mongrel_selenium.pid")

      system "cd #{rails_root}; mongrel_rails start -d -e selenium -p 3001 -c #{rails_root} --pid #{pid_file}"
    end

    desc "Start or restart a mongrel for the selenium environment on port 3001"
    task :restart do
      rails_root = File.expand_path(File.dirname(__FILE__) + "/../..")
      pid_file = File.expand_path(rails_root + "/tmp/pids/mongrel_selenium.pid")
      running = false

      if File.exists?(pid_file) && (pid = open(pid_file).read.to_i)
        begin
          Process::kill 0, pid
          running = true
        rescue Errno::ESRCH, Errno::EPERM
        end
      end

      if running
        system "cd #{rails_root}; mongrel_rails restart -c #{rails_root} --pid #{pid_file}"
      else
        system "cd #{rails_root}; mongrel_rails start -d -e selenium -p 3001 -c #{rails_root} --pid #{pid_file}"
      end
    end

    desc "Stop a mongrel for the selenium environment on port 3001"
    task :stop do
      rails_root = File.expand_path(File.dirname(__FILE__) + "/../..")
      pid_file = File.expand_path(rails_root + "/tmp/pids/mongrel_selenium.pid")

      system "cd #{rails_root}; mongrel_rails stop -c #{rails_root} --pid #{pid_file}"
    end
  end
end