campaign_flow

defmodule CampaignFlow.Client.Auth do
  @moduledoc """
  Handles OAuth2 authentication for the Campaign Flow API.

  This module manages OAuth2 client credentials flow for obtaining access tokens.
  """

  @token_url_path "/oauth2/v1/token"

  @doc """
  Builds the OAuth2 token URL from the base URL.
  """
  @spec build_token_url(String.t()) :: String.t()
  def build_token_url(base_url) do
    # Remove /api/v2 suffix if present and add oauth2 path
    base_url
    |> String.replace(~r{/api/v2$}, "")
    |> Kernel.<>(@token_url_path)
  end
end