defmodule MvWeb.Emails.JoinConfirmationEmail do
  @moduledoc """
  Sends the join request confirmation email (double opt-in) using the unified email layout.
  """
  use Phoenix.Swoosh,
    view: MvWeb.EmailsView,
    layout: {MvWeb.EmailLayoutView, :layout}

  use MvWeb, :verified_routes
  import Swoosh.Email
  use Gettext, backend: MvWeb.Gettext, otp_app: :mv

  alias Mv.Mailer

  @doc """
  Sends the join confirmation email to the given address with the confirmation link.

  Called from the domain after a JoinRequest is created (submit flow).
  """
  def send(email_address, token) when is_binary(email_address) and is_binary(token) do
    confirm_url = url(~p"/confirm_join/#{token}")
    subject = gettext("Confirm your membership request")

    new()
    |> from(Mailer.mail_from())
    |> to(email_address)
    |> subject(subject)
    |> put_view(MvWeb.EmailsView)
    |> put_layout({MvWeb.EmailLayoutView, "layout.html"})
    |> render_body("join_confirmation.html", %{confirm_url: confirm_url, subject: subject})
    |> Mailer.deliver!()
  end
end