defmodule AssentPaseto do
  @moduledoc """
  The implementation of the `Assent.JWTAdapter`. While is isn't strictly a
  JWT, it is still a token that serializes similarly and can fit into the API.
  """

  alias Assent.JWTAdapter
  @behaviour JWTAdapter

  alias Paseto
  alias Paseto.V2

  @impl JWTAdapter
  def sign(_claims, _alg, _secret, opts \\ [])

  def sign(claims, _alg, secret, _opts), do: {:ok, V2.sign(claims, secret)}

  @impl JWTAdapter
  def verify(_token, _secret, opts \\ [])

  def verify(token, secret, _opts) do
    with {:ok, %Paseto.Token{payload: payload}} <- Paseto.parse_token(token, secret) do
      {:ok, payload}
    end
  end
end