# frozen_string_literal: true

class ApplicationMailer < ActionMailer::Base
  # Lambda is evaluated per-message in mailer context, so @current_account
  # (set by each mailer action) is available here.
  default from: lambda {
    account = instance_variable_defined?(:@current_account) ? @current_account : nil
    "#{Wabosign.branded_product_name(account)} <#{Wabosign::SUPPORT_EMAIL}>"
  }
  layout 'mailer'

  register_interceptor ActionMailerConfigsInterceptor
  register_interceptor HtmlToPlainTextInterceptor
  register_preview_interceptor HtmlToPlainTextInterceptor

  register_observer ActionMailerEventsObserver

  before_action do
    ActiveStorage::Current.url_options = Wabosign.default_url_options
  end

  after_action :set_message_metadata
  after_action :set_message_uuid

  def default_url_options
    Wabosign.default_url_options.merge(host: ENV.fetch('EMAIL_HOST', Wabosign.default_url_options[:host]))
  end

  def set_message_metadata
    message.instance_variable_set(:@message_metadata, @message_metadata || {})
  end

  def set_message_uuid
    message['X-Message-Uuid'] = SecureRandom.uuid
  end

  def assign_message_metadata(tag, record)
    @message_metadata = (@message_metadata || {}).merge(
      'tag' => tag,
      'record_id' => record.id,
      'record_type' => record.class.name
    )
  end

  def put_metadata(attrs)
    @message_metadata = (@message_metadata || {}).merge(attrs)
  end
end