18F/identity-idp

# frozen_string_literal: true

class DisplayablePiiFormatter
  FormattedPii = Struct.new(
    :email, :all_emails, :verified_at, :x509_subject, :x509_issuer, :full_name,
    :social_security_number, :address, :birthdate, :phone, keyword_init: true
  )

  attr_reader :current_user
  attr_reader :pii
  attr_reader :selected_email_id

  def initialize(current_user:, pii:, selected_email_id:)
    @current_user = current_user
    @pii = pii
    @selected_email_id = selected_email_id
  end

  # @return [FormattedPii]
  def format
    FormattedPii.new(
      email: email,
      all_emails: all_emails,
      verified_at: verified_at,
      x509_subject: x509_subject,
      x509_issuer: x509_issuer,
    ).tap do |formatted_pii|
      if pii.any?
        formatted_pii.full_name = full_name
        formatted_pii.social_security_number = social_security_number
        formatted_pii.address = address
        formatted_pii.birthdate = dob
        formatted_pii.phone = phone
      end
    end
  end

  private

  def email
    if @selected_email_id
      current_user.confirmed_email_addresses.find(@selected_email_id).email
    else
      EmailContext.new(current_user).last_sign_in_email_address.email
    end
  end

  def all_emails
    current_user.confirmed_email_addresses.map(&:email)
  end

  def verified_at
    timestamp = current_user.active_profile&.verified_at
    I18n.l(timestamp, format: :event_timestamp) if timestamp
  end

  def x509_subject
    current_user.piv_cac_configurations.first&.x509_dn_uuid
  end

  def x509_issuer
    current_user.piv_cac_configurations.first&.x509_issuer
  end

  def full_name
    "#{pii[:first_name]} #{pii[:last_name]}"
  end

  def social_security_number
    SsnFormatter.format(pii[:ssn])
  end

  def address
    addr = pii[:address2]
    addr = addr.present? ? "#{addr} " : ''
    "#{pii[:address1]} #{addr}#{pii[:city]}, #{pii[:state]} #{pii[:zipcode]}"
  end

  def dob
    pii_dob = pii[:dob]
    pii_dob ? I18n.l(DateParser.parse_legacy(pii_dob), format: :long) : ''
  end

  def phone
    PhoneFormatter.format(pii[:phone].to_s)
  end
end