defmodule Postgrex.Extensions.Point do
  @moduledoc false
  import Postgrex.BinaryUtils, warn: false
  use Postgrex.BinaryExtension, send: "point_send"

  def encode(_) do
    quote location: :keep do
      %Postgrex.Point{x: x, y: y} ->
        <<16::int32, x::float64, y::float64>>
      other ->
        raise ArgumentError, Postgrex.Utils.encode_msg(other, Postgrex.Point)
    end
  end

  def decode(_) do
    quote location: :keep do
      <<16::int32, x::float64, y::float64>> -> %Postgrex.Point{x: x, y: y}
    end
  end

  # used by other extensions
  def encode_point(%Postgrex.Point{x: x, y: y}, _) do
    <<x::float64, y::float64>>
  end
  def encode_point(other, wanted) do
    raise ArgumentError, Postgrex.Utils.encode_msg(other, wanted)
  end
end