"""
keep_alive.py
خادم HTTP بسيط على بورت 8080 يُستخدم فقط لإبقاء الـ Space نشطًا.
يمكن لأي خدمة ping خارجية (UptimeRobot, cron-job.org) أن تطرقه كل 5 دقائق.
"""

from http.server import HTTPServer, BaseHTTPRequestHandler
import threading
import logging

logger = logging.getLogger(__name__)


class PingHandler(BaseHTTPRequestHandler):
    def do_GET(self):
        self.send_response(200)
        self.send_header("Content-Type", "text/plain; charset=utf-8")
        self.end_headers()
        self.wfile.write("alive\n".encode())

    # Suppress default request logs to keep console clean
    def log_message(self, format, *args):
        pass


def start_ping_server(port: int = 8080):
    server = HTTPServer(("0.0.0.0", port), PingHandler)
    t = threading.Thread(target=server.serve_forever, daemon=True)
    t.start()
    logger.info(f"✅ Keep-alive server running on port {port}  →  GET /  → 200 alive")
    return server