defmodule Ipstack do
  @moduledoc """
    Ipstack library
  """

  defmodule Result do
    @moduledoc false
    @type t :: %__MODULE__{
            country_code: String.t(),
            region_code: String.t(),
            city: String.t() | nil,
            security: Ipstack.Result.Security.t()
          }
    defstruct country_code: nil,
              region_code: nil,
              city: nil,
              security: nil
  end

  defmodule Result.Security do
    @moduledoc false
    @type t :: %__MODULE__{
            is_tor?: boolean,
            is_proxy?: boolean,
            is_crawler?: boolean,
            threat_level: :low | :medium | :high
          }
    defstruct [:is_tor?, :is_proxy?, :is_crawler?, :threat_level]
  end

  @callback resolve(String.t()) :: {:ok, map} | {:error | atom}
  def resolve(ip_address) do
    impl().resolve(ip_address)
  end

  defp impl, do: Application.fetch_env!(:ipstack, :impl)

  def reset_cache, do: Cachex.clear(:ipstack_lookup_cache)
end