defmodule Mv.Membership.MemberEmailTest do
  use Mv.DataCase, async: true
  alias Mv.Membership

  describe "member_email and computed email field" do
    test "email shows member_email when no user is assigned" do
      {:ok, member} =
        Membership.create_member(%{
          first_name: "Test",
          last_name: "Member",
          member_email: "memberonly@example.com"
        })

      # Load the email calculation
      member = Ash.load!(member, :email, domain: Membership)
      
      assert member.member_email == "memberonly@example.com"
      assert member.email == "memberonly@example.com"
    end

    test "updating member_email updates the computed email when no user is assigned" do
      {:ok, member} =
        Membership.create_member(%{
          first_name: "Update",
          last_name: "Test",
          member_email: "old@example.com"
        })

      {:ok, member} =
        Membership.update_member(member, %{member_email: "new@example.com"})

      # Load the email calculation
      member = Ash.load!(member, :email, domain: Membership)
      
      assert member.member_email == "new@example.com"
      assert member.email == "new@example.com"
    end

    test "member can be created without member_email" do
      {:ok, member} =
        Membership.create_member(%{
          first_name: "No",
          last_name: "Email"
        })

      # Load the email calculation
      member = Ash.load!(member, :email, domain: Membership)
      
      assert member.member_email == nil
      assert member.email == nil
    end
  end
end