# rubocop:disable Naming/MethodParameterName

require_relative 'mailer/provider_base'
require_relative 'mailer/aws_provider'
require_relative 'mailer/sendgrid_provider'
module Eco
  module API
    module Common
      module Session
        class Mailer
          include Eco::Language::AuxiliarLogger

          DEFAULT_PROVIDER = :sendgrid

          attr_reader :provider

          # @param enviro [Eco::API::Common::Session::Environment]
          def initialize(enviro:, provider: DEFAULT_PROVIDER)
            msg = "Required Environment object (enviro:). Given: #{enviro.class}"
            raise msg if enviro && !enviro.is_a?(Eco::API::Common::Session::Environment)

            @enviro   = enviro
            @provider = provider || DEFAULT_PROVIDER
          end

          # Sends an email
          # @param to [String] destination email address
          # @param subject [String] subject of the email
          # @param body [String] `html` or plain text message
          def mail(subject:, body:, to: nil, cc: nil, bcc: nil)
            return false unless (serv = service)

            unless serv.configured?
              msg  = "Mailer: You are missing configuration parameters "
              msg << "for '#{provider}'. Review your .env file"
              log(:error) { msg }
              return false
            end

            serv.send_mail(
              subject: subject,
              body:    body,
              to:      to,
              cc:      cc,
              bcc:     bcc
            ).tap do |response|
              next unless response

              to_addr = serv.fetch_to(to)
              # msg = "Sent email (MessageId: #{response.message_id}) to #{fetch_destination(to: to, cc: cc, bcc: bcc)}"
              msg = "Sent email #{ProviderBase.to_desc(to: to_addr, cc: cc, bcc: bcc)}"
              puts msg
              log(:debug) { msg }
            end
          end

          private

          def service
            case provider
            when :aws
              AwsProvider.new(config, logger: logger)
            when :sendgrid
              SendgridProvider.new(config, logger: logger)
            else
              msg = "Unknown mail provider '#{provider}'"
              puts msg
              log(:debug) { msg }
              nil
            end
          end

          def logger
            @enviro&.logger || super
          end

          def config
            @enviro.config || {}
          end
        end
      end
    end
  end
end

# rubocop:enable Naming/MethodParameterName