defmodule MvWeb.MemberLive.IndexBulkScopeTest do
  @moduledoc """
  §1.17 — Bulk "all" scope spans the whole filtered set (re-queried from the DB),
  not only the loaded/visible page, and the count reflects the full filtered
  total.
  """
  use MvWeb.ConnCase, async: false

  import Phoenix.LiveViewTest

  alias Mv.Helpers.SystemActor

  # More than one keyset page so "loaded" and "all matching" differ.
  @total 60

  defp seed(n) do
    actor = SystemActor.get_system_actor()

    Enum.each(1..n, fn i ->
      idx = String.pad_leading(Integer.to_string(i), 3, "0")

      {:ok, _} =
        Mv.Membership.create_member(
          %{first_name: "Bulk#{idx}", last_name: "Scope", email: "bulk#{idx}@example.com"},
          actor: actor
        )
    end)
  end

  defp scope_badge_text(view) do
    view
    |> render()
    |> LazyHTML.from_fragment()
    |> LazyHTML.query(~s([data-testid="bulk-actions-scope-badge"]))
    |> LazyHTML.text()
    |> String.trim()
  end

  test "select all selects the whole filtered set, not just the loaded page", %{conn: conn} do
    seed(@total)
    conn = conn_with_oidc_user(conn)
    {:ok, view, _html} = live(conn, ~p"/members")

    view |> element("[phx-click='select_all']") |> render_click()

    # The selection count badge reflects all matching members, not the 50 loaded.
    assert scope_badge_text(view) == "#{@total}"
  end

  test "copy-emails with no selection copies every matching member's email", %{conn: conn} do
    seed(@total)
    conn = conn_with_oidc_user(conn)
    {:ok, view, _html} = live(conn, ~p"/members")

    result = render_hook(view, "copy_emails", %{})

    # All 60 matching members are copied, not only the 50 loaded rows.
    assert result =~ "#{@total}"
  end

  test "select-all then copy copies the whole filtered set", %{conn: conn} do
    seed(@total)
    conn = conn_with_oidc_user(conn)
    {:ok, view, _html} = live(conn, ~p"/members")

    view |> element("[phx-click='select_all']") |> render_click()
    result = render_hook(view, "copy_emails", %{})

    assert result =~ "#{@total}"
  end
end