defmodule ExAdmin.LayoutView do
  @moduledoc false
  use ExAdmin.Web, :view

  def site_title do
    case Application.get_env(:ex_admin, :module) |> Module.split do
      [_, title | _] -> title
      [title] -> title
      _ -> "ExAdmin"
    end
  end

  def check_for_sidebars(conn, filters, defn) do
    if is_nil(filters) and not ExAdmin.Sidebar.sidebars_visible?(conn, defn) do
      {false, "without_sidebar"}
    else
      {true, "with_sidebar"}
    end
  end

  def admin_static_path(conn, path) do
    static_path conn, Path.join(["/", "themes", ExAdmin.theme.name, path])
  end

  def theme_selector do
    Application.get_env(:ex_admin, :theme_selector)
    |> Enum.with_index
    |> theme_selector
  end

  defp theme_selector(nil), do: ""
  defp theme_selector(options) do
    current = Application.get_env(:ex_admin, :theme)
    content_tag :select, id: "theme-selector" do
      for {{name, theme}, inx} <- options do
        selected = if current == theme, do: [selected: "selected"], else: []
        content_tag(:option, name, [value: "#{inx}"] ++ selected )
      end
    end
  end

end