import socket
import json

# Initialize the socket without connecting
sock = None

def ensure_socket_connected():
    global sock
    if sock is None or sock.fileno() == -1:  # Checks if socket is not initialized or closed
        try:
            # Attempt to initialize and connect the socket
            sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
            sock.connect("/tmp/oscar_watcher.sock")
        except socket.error:
            # If connection fails, set sock to None and do nothing
            sock = None

def log_watch(var_name, message):
    ensure_socket_connected()  # Ensure the socket is connected before attempting to log
    if sock:  # Proceed only if sock is not None (i.e., is connected)
        message_json = json.dumps(message)
        try:
            sock.sendall(message_json.encode('utf-8') + b'\n')
        except socket.error:
            # Handle potential error in sending (e.g., if connection was lost)
            global sock
            sock.close()  # Close the current socket to clean up resources
            sock = None  # Reset sock to ensure reconnection attempt on next call

#message = {"variable": "car_stats", "value": {"car_lights_on": [3, 5, 7], "car_state": "on"}}
#log_watch(sock, message)