class Driftwood

# File lib/driftwood.rb, line 20
def initialize(app=nil)
  super(app)
  $logger.info "Starting Driftwood v#{Driftwood::VERSION}"
  @bigquery = Driftwood::Bigquery.new(settings.gcloud)
  @slack    = Driftwood::Slack.new(settings.slack)
  @app_id   = settings.slack[:client_id]
  @slack.authorize(cached_auth)

  @plugins = settings.plugins.map do |plugin, config|
    filename = plugin.snake_case

    begin
      require "driftwood/plugin/#{filename}"
    rescue LoadError
      require filename
    end

    Driftwood::Plugin::const_get(plugin).new(config, @slack, @bigquery)
  end

  # help handler
  @slack.register_handler('message') do |team_id, event_data|
    user = event_data['user']
    text = event_data['text']

    case text
    when /^help$/i
      @slack.send_response(team_id, user, "Usage for all plugins:")
      @plugins.each do |plugin|
        next unless plugin.usage
        @slack.send_response(team_id, user, plugin.usage)
      end
    when /^help (\w*)$/i
      name = $1
      @slack.send_response(team_id, user, "Usage for #{name}:")
      @plugins.each do |plugin|
        next unless plugin.name = name.downcase
        @slack.send_response(team_id, user, plugin.usage)
      end
    end
  end

end

# File lib/driftwood.rb, line 102
def cached_auth
  @bigquery.get_auth_tokens(@app_id)
end

# File lib/driftwood.rb, line 106
def save_auth_cache(auth)
  @bigquery.insert_team(auth, @app_id)
end