Capistrano::Configuration.instance.load do
  before 'deploy:stop', 'mailman:stop'
  after 'deploy:start', 'mailman:start'
  before 'deploy:restart', 'mailman:restart'

  _cset(:mailman_cmd) { "#{fetch(:bundle_cmd, 'bundle')} exec mailman" }
  _cset(:mailman_config) { "#{current_path}/config/mailman.rb" }
  _cset(:mailman_role) { :app }
  _cset(:mailman_pid) { "#{current_path}/tmp/pids/mailman.pid" }

  namespace :mailman do
    desc 'Stop mailman'
    task :stop, roles: lambda { fetch(:mailman_role) }, on_no_matching_servers: :continue do
      run "if [ -d #{current_path} ] && [ -f #{mailman_pid} ] && kill -0 `cat #{mailman_pid}` > /dev/null 2>&1; then cd #{current_path} && rm #{mailman_pid} ; else echo 'Mailman is not running'; fi"
    end

    desc 'Start mailman'
    task :start do
      run "cd #{current_path} ; nohup #{fetch(:mailman_cmd)} -c #{fetch(:mailman_config)} -p #{fetch(:mailman_pid)} -e #{fetch(:rails_env, 'production')} >> #{current_path}/log/mailman.log 2>&1 &", pty: false
    end

    desc 'Restart mailman'
    task :restart do
      stop
      start
    end
  end
end