module Billing
  class InvoiceMailer < ApplicationMailer
    def invoice_pdf
      @invoice = params[:invoice]
      @club = @invoice.club

      I18n.with_locale(I18n.locale) do
        attach_invoice_pdf!
        mail(
          to: @club.billing_email,
          subject: t("mailers.invoice.subject", number: @invoice.display_number)
        )
      end
    end

    def plan_activated_with_invoice
      @invoice = params[:invoice]
      @club = @invoice.club

      I18n.with_locale(I18n.locale) do
        attach_invoice_pdf!
        mail(
          to: @club.billing_email,
          subject: t("mailers.invoice_activated.subject",
                     plan: @club.subscription&.plan&.name || @invoice.display_number,
                     number: @invoice.display_number)
        )
      end
    end

    private

    def attach_invoice_pdf!
      prefix = t("mailers.invoice.attachment_prefix")
      attachments["#{prefix}-#{@invoice.number.parameterize}.pdf"] = {
        mime_type: "application/pdf",
        content: @invoice.pdf.download
      }
    end
  end
end