class InMailbox < ApplicationMailbox
  def process
    binding.pry

    # email = Email.new(
    #   message_id: mail.message_id,
    #   subject: mail.subject,
    #   date: mail.date,
    #   to: mail.to,
    #   from: mail.from,
    #   plain_body: text_plain_body(mail),
    #   raw_headers: mail.header.raw_source,
    #   cron: sent_by_cron?(mail),
    #   mailing_list: mailing_list?(mail),
    #   clients: clients(mail),
    #   servers: servers(mail),
    #   tickets: tickets(mail)
    # )
    #
    # binding.pry

  end

  def text_plain_body(mail)
    if mail.parts.present?
      mail.parts.detect(-> { mail.parts[0] }) { |part|
        part.content_type =~ /text\/plain/
      }.body.decoded
    else
      mail.decoded
    end
  end

  def sent_by_cron?(mail)
    mail.subject.match?(/cron/i) \
    || mail.header["X-Cron-Env"].present?
  end
  def mailing_list?(mail)
    mail.header["List-Unsubscribe"].present?
  end

  def clients(mail)
    if mail.header["X-Client-ID"].present?
      mail.header["X-Client-ID"].value
    end
  end

  def servers(mail)
    if mail.header["X-Server-Name"].present?
      mail.header["X-Server-Name"].value
    else
      matching_header = ["To", "Delivered-To", "From", "Subject"].detect { |header_name|
        address_match_evolix_net?(mail.header[header_name].value)
      }
      extract_server_name_from_address(mail.header[matching_header].value) if matching_header
    end
  end

  def tickets(mail)
    if mail.header["X-Ticket-ID"].present?
      mail.header["X-Ticket-ID"].value
    end
  end

  def address_match_evolix_net?(address)
    address.match?(/@(.+)\.evolix\.net/i)
  end
  def extract_server_name_from_address(address)
    address.match(/@(.+)\.evolix\.net/i)[1]
  end

end