class BotStarter

# File lib/slackbot_frd/initializer/bot_starter.rb, line 16
def self.start_bots(errors_file, token, botdir, enabled_bots)
  bot_enabled = ->(bot) do
    enabled_bots.empty? ||
    enabled_bots.include?(bot) ||
    enabled_bots.include?(bot.gsub('-', '_').camelize)
  end

  # Create a new Connection to pass to the bot classes
  slack_connection = SlackbotFrd::SlackConnection.new(
    token: token, errors_file: errors_file, monitor_connection: true
  )

  load_bot_files(botdir)

  bots = []
  # instantiate them, and then call their add_callbacks method
  ObjectSpace.each_object(Class).select do |klass|
    if klass != SlackbotFrd::Bot && klass.ancestors.include?(SlackbotFrd::Bot) && bot_enabled.call(klass.name)
      SlackbotFrd::Log.debug("Instantiating and adding callbacks to class '#{klass.to_s}'")
      b = klass.new
      b.add_callbacks(slack_connection)
      bots.push(b)
    end
  end

  if bots.count == 0
    SlackbotFrd::Log.error('Not starting: no bots found')
    File.append(errors_file, 'Not starting: no bots found')
  else
    SlackbotFrd::Log.debug('Starting SlackConnection')
    slack_connection.start
    SlackbotFrd::Log.debug('Connection closed')
  end
end

# File lib/slackbot_frd/initializer/bot_starter.rb, line 52
def self.load_bot_files(top_level_dir)
  Dir["#{File.expand_path(top_level_dir)}/**/*.rb"].each do |f|
    SlackbotFrd::Log.debug("Loading bot file '#{f}'")
    load(f)
  end
end