import Config

# Get hostname for topic construction
hostname = case :inet.gethostname() do
  {:ok, hostname} -> List.to_string(hostname)
  _ -> "unknown"
end

# Runtime configuration that can use environment variables
config :systant, Systant.MqttClient,
  host: System.get_env("SYSTANT_MQTT_HOST", "mqtt.home"),
  port: String.to_integer(System.get_env("SYSTANT_MQTT_PORT", "1883")),
  client_id: System.get_env("SYSTANT_CLIENT_ID", "systant"),
  username: System.get_env("SYSTANT_MQTT_USERNAME"),
  password: System.get_env("SYSTANT_MQTT_PASSWORD"),
  stats_topic: System.get_env("SYSTANT_STATS_TOPIC", "systant/#{hostname}/stats"),
  command_topic: System.get_env("SYSTANT_COMMAND_TOPIC", "systant/#{hostname}/commands"),
  publish_interval: String.to_integer(System.get_env("SYSTANT_PUBLISH_INTERVAL", "30000"))