# frozen_string_literal: true

module Calagator
  class Venue < Calagator::ApplicationRecord
    class Geocoder < Struct.new(:venue)
      cattr_accessor(:perform_geocoding) { true }

      def self.geocode(venue)
        new(venue).geocode
      end

      def geocode
        return unless should_geocode?

        map_geo_to_venue if geo.success
        log
      end

      private

      def geo
        @geo ||= Geokit::Geocoders::MultiGeocoder.geocode(venue.geocode_address)
      end

      VENUE_GEO_FIELD_MAP = {
        street_address: :street_address,
        locality: :city,
        region: :state,
        postal_code: :zip,
        country: :country_code
      }.freeze

      def map_geo_to_venue
        # always overwrite lat and long
        venue.latitude = geo.lat
        venue.longitude = geo.lng

        VENUE_GEO_FIELD_MAP.each do |venue_field, geo_field|
          next if venue[venue_field].present?

          venue[venue_field] = geo.send(geo_field)
        end
      end

      def should_geocode?
        [
          perform_geocoding,
          (venue.location.blank? || venue.force_geocoding == '1'),
          venue.geocode_address.present?,
          venue.duplicate_of.blank?
        ].all?
      end

      def log
        venue_id = venue.new_record? ? 'new record' : "record #{venue.id}"
        status = geo.success ? 'was successful' : 'failed'
        message = "Venue#add_geocoding for #{venue} #{status}, response was: #{geo.inspect}"
        Rails.logger.info message
      end
    end
  end
end