from dataclasses import dataclass
import requests
from django.conf import settings
from django.core.exceptions import ImproperlyConfigured

@dataclass
class NotificationResult:
    success: bool
    provider_id: str = ""
    error: str = ""

class ConsoleBaleProvider:
    def send_message(self, chat_id, text):
        if settings.DEBUG: print(f"[DEV BALE] {chat_id or 'dashboard'}: {text}")
        return NotificationResult(True, "console")

class BaleBotProvider:
    def send_message(self, chat_id, text):
        if not chat_id: return NotificationResult(False, error="Bale chat id is not configured")
        response = requests.post(f"{settings.BALE_API_BASE.rstrip('/')}/bot{settings.BALE_BOT_TOKEN}/sendMessage", json={"chat_id": chat_id, "text": text, "disable_web_page_preview": True}, timeout=settings.INTEGRATION_HTTP_TIMEOUT_SECONDS)
        response.raise_for_status(); data = response.json()
        if not data.get("ok", True): return NotificationResult(False, error=str(data.get("description", "Bale rejected message")))
        return NotificationResult(True, str((data.get("result") or {}).get("message_id", "bale")))

def get_bale_provider():
    if settings.BALE_BOT_TOKEN:
        return BaleBotProvider()
    if settings.DEBUG:
        return ConsoleBaleProvider()
    raise ImproperlyConfigured("BALE_BOT_TOKEN is required to deliver Bale notifications in production.")