#!/usr/bin/env python3
"""
Notify admin channel when bot restarts due to healthcheck failure.
Uses Discord webhook for instant notification.
"""

import os
import urllib.request
import json
from datetime import datetime


def send_restart_notification():
    """Send notification to Discord via webhook."""
    webhook_url = os.getenv("RESTART_WEBHOOK_URL")

    if not webhook_url:
        print("No RESTART_WEBHOOK_URL configured, skipping notification")
        return False

    try:
        timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S CST")

        data = {
            "content": (
                f"**Paper Dynasty Bot Restarted** at {timestamp}\n\n"
                "Bot has successfully connected to Discord.\n\n"
                "Check `/logs/discord.log` for startup details."
            ),
            "username": "Paper Dynasty Monitor",
        }

        req = urllib.request.Request(
            webhook_url,
            data=json.dumps(data).encode("utf-8"),
            headers={
                "Content-Type": "application/json",
                "User-Agent": "Paper-Dynasty-Discord-Bot/1.0",
            },
        )

        response = urllib.request.urlopen(req, timeout=5)

        if response.status == 204:
            print(f"Restart notification sent successfully at {timestamp}")
            return True
        else:
            print(f"Webhook returned status {response.status}")
            return False

    except Exception as e:
        print(f"Failed to send restart notification: {e}")
        return False


if __name__ == "__main__":
    send_restart_notification()