defmodule MvWeb.MemberLive.IndexColumnManagerTest do
  @moduledoc """
  §1.6 — The column manager sits in the filter toolbar, offers a per-column
  visibility toggle plus All and None controls styled as buttons (not links),
  and applies changes while preserving the existing persistence chain.
  """
  use MvWeb.ConnCase, async: false

  import Phoenix.LiveViewTest

  alias Mv.Helpers.SystemActor

  setup %{conn: conn} do
    {:ok, _} =
      Mv.Membership.create_member(
        %{first_name: "Manager", last_name: "Columns", email: "manager@example.com"},
        actor: SystemActor.get_system_actor()
      )

    %{conn: conn_with_oidc_user(conn)}
  end

  test "column manager trigger sits alongside the filter controls", %{conn: conn} do
    {:ok, view, _html} = live(conn, ~p"/members")

    # Both the add-filter builder trigger and the column-manager trigger render
    # in the same toolbar.
    assert has_element?(view, "[data-testid='add-filter-trigger']")
    assert has_element?(view, "button[aria-controls='field-visibility-menu']")
  end

  test "All and None are buttons, not links, and per-column toggles are checkboxes", %{conn: conn} do
    {:ok, view, _html} = live(conn, ~p"/members")

    view |> element("button[aria-controls='field-visibility-menu']") |> render_click()

    # All / None render as buttons with button styling.
    assert has_element?(view, "button.btn[phx-click='select_all']", "All")
    assert has_element?(view, "button.btn[phx-click='select_none']", "None")
    refute has_element?(view, "a[phx-click='select_all']")
    refute has_element?(view, "a[phx-click='select_none']")

    # Per-column visibility toggles are accessible checkbox menu items.
    assert has_element?(view, "button[role='menuitemcheckbox'][phx-value-item='name']")
  end

  test "toggling a column applies and is reflected in the URL (persistence)", %{conn: conn} do
    {:ok, view, _html} = live(conn, ~p"/members")

    view |> element("button[aria-controls='field-visibility-menu']") |> render_click()
    view |> element("button[phx-value-item='join_date']") |> render_click()

    # The selection is pushed to the URL fields param so it survives reloads.
    path = assert_patch(view)
    assert path =~ "fields="
    refute has_element?(view, "[data-testid='join_date']")
  end

  test "a reset button restores the curated default column set", %{conn: conn} do
    {:ok, view, _html} = live(conn, ~p"/members")

    view |> element("button[aria-controls='field-visibility-menu']") |> render_click()

    # Reset is a button styled like All/None, sitting next to them, with a tooltip.
    assert has_element?(view, "button.btn[phx-click='reset_fields']")

    # Hide a curated-default column, then reset restores it.
    view |> element("button[phx-value-item='join_date']") |> render_click()
    assert_patch(view)
    refute has_element?(view, "[data-testid='join_date']")

    view |> element("button[phx-click='reset_fields']") |> render_click()
    assert_patch(view)
    assert has_element?(view, "[data-testid='join_date']")
  end
end