class MessageType:
    STATUS_REQUEST = "status_request"
    STATUS_RESPONSE = "status_response"
    SET_RELAY = "set_relay"
    RELAY_RESPONSE = "relay_response"
    ENABLE_WIFI = "enable_wifi"
    WIFI_RESPONSE = "wifi_response"
    TOGGLE_IGNITION = "toggle_ignition"
    IGNITION_RESPONSE = "ignition_response"
    TOGGLE_SENSOR_FAULT = "toggle_sensor_fault"
    SENSOR_FAULT_RESPONSE = "sensor_fault_response"


def status_request():
    return {"type": MessageType.STATUS_REQUEST}


def status_response(data):
    return {
        "type": MessageType.STATUS_RESPONSE,
        "data": data
    }


def set_relay_request(relay, state):
    return {
        "type": MessageType.SET_RELAY,
        "relay": relay,
        "state": bool(state)
    }


def relay_response(success, relay=None, state=None, error=None):
    return {
        "type": MessageType.RELAY_RESPONSE,
        "success": success,
        "relay": relay,
        "state": state,
        "error": error
    }


def enable_wifi_request(minutes):
    return {
        "type": MessageType.ENABLE_WIFI,
        "minutes": int(minutes)
    }


def wifi_response(success, expires_minutes=None):
    return {
        "type": MessageType.WIFI_RESPONSE,
        "success": success,
        "expires_minutes": expires_minutes
    }


def toggle_ignition_request():
    return {"type": MessageType.TOGGLE_IGNITION}


def ignition_response(success, ignition_on):
    return {
        "type": MessageType.IGNITION_RESPONSE,
        "success": success,
        "ignition_on": ignition_on
    }


def toggle_sensor_fault_request(sensor):
    return {
        "type": MessageType.TOGGLE_SENSOR_FAULT,
        "sensor": sensor
    }


def sensor_fault_response(success, sensor=None, failed=None, error=None):
    return {
        "type": MessageType.SENSOR_FAULT_RESPONSE,
        "success": success,
        "sensor": sensor,
        "failed": failed,
        "error": error
    }