# typed: true
# frozen_string_literal: true

module CloudWaba
  class Utils
    extend ::T::Sig
    extend ::T::Helpers

    sig { returns(::CloudWaba::Models::Config) }
    def self.import_config
      Dotenv.load
      validate_config!

      base_url = ENV.fetch("WA_BASE_URL", "https://graph.facebook.com")
      app_id = ENV.fetch("M4D_APP_ID", "")
      app_secret = ENV.fetch("M4D_APP_SECRET", "")
      phone_number_id = ENV.fetch("WA_PHONE_NUMBER_ID", "")
      business_account_id = ENV.fetch("WA_BUSINESS_ACCOUNT_ID", "")
      access_token = ENV.fetch("CLOUD_API_ACCESS_TOKEN", "")
      api_version = ENV.fetch("CLOUD_API_VERSION", "v16.0")

      config = ::CloudWaba::Models::Config.new(
        base_url: base_url,
        app_id: app_id,
        app_secret: app_secret,
        phone_number_id: phone_number_id,
        business_account_id: business_account_id,
        api_version: api_version,
        access_token: access_token,
      )

      config
    end

    private

    sig { void }
    def self.validate_config!
      # TODO: Validate configuration
    end
  end
end