hyperswitch

defmodule Hyperswitch.Client do
  ## Types

  @type method :: :get | :post | :delete

  @type headers :: nil | [{binary(), binary()}]

  @type path :: binary()

  @type params :: nil | keyword()

  @type body :: nil | map()

  @type error :: (message :: binary()) | {code :: binary(), message :: binary()}

  @type response(t) :: {:ok, t} | {:error, error()}

  @type response :: response(map())

  @type request :: %{
          required(:method) => method(),
          optional(:headers) => headers(),
          required(:path) => path(),
          optional(:params) => params(),
          optional(:body) => params()
        }

  ## Behaviours

  @callback request(request()) :: response()

  ## Public functions

  @spec request(request()) :: response()
  def request(request) when is_map(request) do
    impl().request(request)
  end

  ## Private functions

  defp impl do
    Application.get_env(:hyperswitch, :http_client, Hyperswitch.Clients.Req)
  end
end