import os
import logging

# =========================
# SETTINGS
# =========================
BOT_TOKEN = os.getenv("BOT_TOKEN")
DB_URL = os.getenv("DATABASE_URL")
BASE_URL = "https://utoon.net"
ADMINS = {6065777038}

PAGE_SIZE = 20
CHAPTER_PRICE = 100

DAILY_MESSAGES = [
    "🎁 *+50 Coins!* Come back tomorrow for more!",
    "⚡ *Daily bonus collected!* +50 coins added.",
    "🌟 *You're on a streak!* +50 coins.",
]

# =========================
# LOGGING
# =========================
logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s | %(levelname)s | %(name)s | %(message)s",
)
logger = logging.getLogger(__name__)


def validate_required_env() -> None:
    """Backward-compatible alias for web mode env validation."""
    validate_web_env()


def validate_web_env() -> None:
    missing = []
    if not DB_URL:
        missing.append("DATABASE_URL")
    if missing:
        raise RuntimeError(
            f"Missing required environment variables: {', '.join(missing)}"
        )


def validate_bot_env() -> None:
    missing = []
    if not BOT_TOKEN:
        missing.append("BOT_TOKEN")
    if not DB_URL:
        missing.append("DATABASE_URL")
    if missing:
        raise RuntimeError(
            f"Missing required environment variables: {', '.join(missing)}"
        )