"""
Utility functions for voicebot.

This module provides common utility functions used throughout the application.
"""

import ssl


def http_base_url(server_url: str) -> str:
    """Convert ws:// or wss:// to http(s) and ensure no trailing slash."""
    if server_url.startswith("ws://"):
        return "http://" + server_url[len("ws://") :].rstrip("/")
    if server_url.startswith("wss://"):
        return "https://" + server_url[len("wss://") :].rstrip("/")
    return server_url.rstrip("/")


def ws_url(server_url: str) -> str:
    """Convert http(s) to ws(s) if needed."""
    if server_url.startswith("http://"):
        return "ws://" + server_url[len("http://") :].rstrip("/")
    if server_url.startswith("https://"):
        return "wss://" + server_url[len("https://") :].rstrip("/")
    return server_url.rstrip("/")


def create_ssl_context(insecure: bool = False) -> ssl.SSLContext | None:
    """Create SSL context for connections."""
    if not insecure:
        return None
    
    ssl_ctx = ssl.create_default_context()
    ssl_ctx.check_hostname = False
    ssl_ctx.verify_mode = ssl.CERT_NONE
    return ssl_ctx


def log_network_info():
    """Log network information for debugging."""
    from logger import logger
    
    try:
        import socket
        import subprocess

        hostname = socket.gethostname()
        local_ip = socket.gethostbyname(hostname)
        logger.info(f"Container hostname: {hostname}, local IP: {local_ip}")

        # Get all network interfaces
        result = subprocess.run(
            ["ip", "addr", "show"], capture_output=True, text=True
        )
        logger.info(f"Network interfaces:\n{result.stdout}")
    except Exception as e:
        logger.warning(f"Could not get network info: {e}")