"""Network health checks for ensuring the WireGuard tunnel is responsive."""

from __future__ import annotations

import subprocess


def check_network_tunnel() -> dict[str, str]:
    """
    Ping the Avamposto gateway through the WireGuard tunnel.

    Returns:
        A dictionary with key 'status' equal to 'online' when the ping succeeds,
        otherwise 'offline'.
    """
    try:
        result = subprocess.run(
            ["ping", "-c", "3", "10.0.0.1"],
            stdout=subprocess.DEVNULL,
            stderr=subprocess.DEVNULL,
            check=False,
        )
    except FileNotFoundError:
        return {"status": "offline"}

    if result.returncode == 0:
        return {"status": "online"}

    return {"status": "offline"}


if __name__ == "__main__":
    outcome = check_network_tunnel()
    status = outcome.get("status", "offline")
    print(f"Tunnel status: {status}")
    raise SystemExit(0 if status == "online" else 1)