# SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0

"""Tiny HTTP server with zero dependencies. Returns JSON with request metadata."""

import json
import socket
import time
from http.server import BaseHTTPRequestHandler, HTTPServer


class Handler(BaseHTTPRequestHandler):
    def do_GET(self):
        body = json.dumps(
            {
                "message": "Hello from the private network!",
                "hostname": socket.gethostname(),
                "path": self.path,
                "client": self.client_address[0],
                "timestamp": time.time(),
            },
            indent=2,
        )
        self.send_response(200)
        self.send_header("Content-Type", "application/json")
        self.end_headers()
        self.wfile.write(body.encode())

    def log_message(self, fmt, *args):
        print(f"[{self.log_date_time_string()}] {fmt % args}")


if __name__ == "__main__":
    server = HTTPServer(("0.0.0.0", 8080), Handler)
    print("Demo server listening on :8080")
    server.serve_forever()