"""
Send notification via Telegram.
Requires bot token and chat_id configured in environment or .env file.
"""
import os
import logging
from pathlib import Path

import httpx
from dotenv import load_dotenv

log = logging.getLogger(__name__)

load_dotenv()

TELEGRAM_BOT_TOKEN = os.getenv("TELEGRAM_BOT_TOKEN", "8638072533:AAG3fcm0Sq_JBSSA1UXLspgRzn-tdIJ9N_8")
TELEGRAM_CHAT_ID = int(os.getenv("TELEGRAM_CHAT_ID", "1320170074"))


def send_telegram(text: str, chat_id: int = TELEGRAM_CHAT_ID) -> bool:
    url = f"https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/sendMessage"
    try:
        resp = httpx.post(url, json={"chat_id": chat_id, "text": text}, timeout=10)
        resp.raise_for_status()
        log.info(f"Telegram sent to {chat_id}: {text[:50]}")
        return True
    except Exception as e:
        log.error(f"Telegram failed: {e}")
        return False


def format_collection_reminder(collection: dict, source_id: str) -> str:
    date = collection.get("date", "?")
    wtype = collection.get("type", "?")
    days = collection.get("daysUntil", "?")
    icon = collection.get("icon", "🗑️")
    return (
        f"{icon} *Waste Collection Reminder*\n"
        f"📅 {date} (in {days} day{'s' if days != 1 else ''})\n"
        f"🗑️ {wtype}\n"
        f"🔔 from: {source_id}"
    )