# opening ApplicationController here to add default functionality
# to override anything just override the appropriate method here.
class ApplicationController < ActionController::Base
  before_action do
    create_log_entry!
  end

  def self.skip_logging!
    define_method(:create_log_entry!) do
      #nothing
    end
  end

  def create_log_entry!

    geo_data = begin
       ExpressGeoip.lookup(request.remote_ip)
     rescue => e
       {}
     end

    entity = entity_for_log

    entry_data = {
      action:      action_for_log,
      username:    current_user.try(:email),
      ip_address:  request.ip,
      user_agent:  request.user_agent,
      entity_type: entity.try(:class).try(:to_s),
      entity_id:   entity.try(:id),
      notes:       notes_for_log
    }

    ExpressAnalytics::LogEntry.create(entry_data.merge(geo_data))

  end

  def action_for_log
    # ExpressAnalytics::LogEntriesController#show becomes
    # express_analytics/log_entries_controller#show
    # show log entry
    is_plural = %w(list index).include?(request.params[:action])
    object_name = self.class.to_s.demodulize.underscore.titleize
    object_name.gsub!(/ Controller/, '')
    object_name = is_plural ? object_name : object_name.singularize

    verb = is_plural ? 'view' : request.params[:action]
    "#{verb} #{object_name}"
  end

  def entity_for_log
    self.respond_to?(:resource) ? resource : nil
  end

  def notes_for_log
    request.path # override to add notes
  end


end


# TODO: Move this to ExpressGeoip
module ExpressGeoip
  def lookup(remote_ip)
    geo_data = {}
    if result = ExpressGeoip::GeoipLookup.lookup(request.remote_ip)
      if result.present?
        geo_data.merge!(geo_country_code: result.country.name,
                        geo_administrative_area: nil,
                        geo_locality: result.city.name,
                        geo_latitude: (result.location.present? ? result.location.latitude : nil),
                        geo_longitude: (result.location.present? ? result.location.latitude : nil) )
      end
    end
    geo_data
  end
end