neiam /gitgud

defmodule GitGud.Themes do
  @moduledoc """
  Catalog of UI themes available to the app.

  Names map 1:1 to daisyUI theme plugin entries in `assets/css/app.css`.
  Ported from the diogramos project's theme set: `light` / `dark` plus
  six neiam-co themes and a custom `blueprint`.
  """

  @neiam ~w(her afterdark forest sky clays stones)
  @builtin ~w(light dark)
  @custom ~w(blueprint)

  @type theme :: String.t()

  @spec all() :: [theme()]
  def all, do: @builtin ++ @neiam ++ @custom

  @spec neiam() :: [theme()]
  def neiam, do: @neiam

  @spec default() :: theme()
  def default, do: "afterdark"

  @spec valid?(theme()) :: boolean()
  def valid?(theme) when is_binary(theme), do: theme in all() or theme == "system"
  def valid?(_), do: false
end