import subprocess
import logging
import time
import urllib.request
from pathlib import Path

import platform
from pathlib import Path

logger = logging.getLogger(__name__)

# Search for the POT server script in several locations
_POSSIBLE_PATHS = [
    Path("/opt/bgutil-provider/server/build/main.js"),
    Path("./bgutil-provider/server/build/main.js"),
    Path("C:/bgutil-provider/server/build/main.js"),
]

def _get_server_path():
    for p in _POSSIBLE_PATHS:
        if p.exists():
            return p
    return None

class POTServer:
    def __init__(self):
        self._proc = None

    def start(self):
        server_path = _get_server_path()
        if not server_path:
            logger.error("❌ POT server script not found in any of the expected locations!")
            return False
        
        logger.info(f"🚀 Starting Node.js POT solver from {server_path}...")
        self._proc = subprocess.Popen(["node", str(server_path)])
        
        # انتظر ثواني يتأكد إنه اشتغل
        time.sleep(5)
        return True

    def stop(self):
        if self._proc:
            self._proc.terminate()
            self._proc = None
            logger.info("🛑 POT server stopped.")

    def is_running(self):
        return self._proc is not None and self._proc.poll() is None

pot_server = POTServer()