module NHS::API

# File app/lib/nhs/api.rb, line 13
def access_token
  fetch_access_token if access_token_expired?

  @auth_info[:access_token]
end

# File app/lib/nhs/api.rb, line 19
def access_token_expired?
  return true if @auth_info.blank?

  # 5 seconds to accommodate connection time
  Time.current > @auth_info[:expires_at] - 5.seconds
end

# File app/lib/nhs/api.rb, line 5
def connection
  return fhir_connection if Settings.nhs_api.disable_authentication

  fhir_connection.tap do |conn|
    conn.headers["Authorization"] = "Bearer #{access_token}"
  end
end