#!/usr/bin/env python3
"""
Pravda - Truth Social to Discord relay service.

This is the main entrypoint that runs both the poller and the FastAPI server.
"""

import multiprocessing
import sys

import uvicorn

from src.poller import fetch_and_relay_post, poll_loop
from src.server import app


def run_server() -> None:
    """Run the FastAPI server."""
    uvicorn.run(app, host="0.0.0.0", port=8080, log_level="info")


def run_poller() -> None:
    """Run the polling loop."""
    poll_loop()


def daemon_mode() -> None:
    """Run both the poller and server concurrently."""
    print("Starting Pravda in daemon mode...")

    # Start server in a separate process
    server_process = multiprocessing.Process(target=run_server, name="server")
    server_process.start()

    # Run poller in the main process
    try:
        run_poller()
    except KeyboardInterrupt:
        print("\nShutting down...")
    finally:
        server_process.terminate()
        server_process.join(timeout=5)


def oneoff_mode(url: str) -> int:
    """Relay a single post by URL."""
    print(f"One-off mode: relaying {url}")
    success = fetch_and_relay_post(url)
    return 0 if success else 1


def main() -> int:
    """Main entrypoint."""
    if len(sys.argv) > 1:
        # One-off mode: relay a specific post
        url = sys.argv[1]
        return oneoff_mode(url)
    else:
        # Daemon mode: run poller + server
        daemon_mode()
        return 0


if __name__ == "__main__":
    sys.exit(main())