import os
from dotenv import load_dotenv

load_dotenv()

# Cache TTLs (seconds)
PRICE_TTL = int(os.getenv("PRICE_TTL", 10))
OHLCV_TTL = {
    "1m": int(os.getenv("OHLCV_TTL_1M", 30)),
    "5m": int(os.getenv("OHLCV_TTL_5M", 60)),
    "1h": int(os.getenv("OHLCV_TTL_1H", 300)),
    "4h": int(os.getenv("OHLCV_TTL_4H", 600)),
    "1d": int(os.getenv("OHLCV_TTL_1D", 3600)),
}

# Providers
COINGECKO_BASE_URL = "https://api.coingecko.com/api/v3"
BINANCE_BASE_URL = "https://api.binance.com/api/v3"

# Symbol normalization map (add more as needed)
SYMBOL_TO_COINGECKO_ID = {
    "BTC": "bitcoin",
    "ETH": "ethereum",
    "SOL": "solana",
    "BNB": "binancecoin",
    "XRP": "ripple",
    "ADA": "cardano",
    "DOGE": "dogecoin",
    "AVAX": "avalanche-2",
    "DOT": "polkadot",
    "MATIC": "matic-network",
    "LINK": "chainlink",
    "UNI": "uniswap",
    "LTC": "litecoin",
    "ATOM": "cosmos",
    "XLM": "stellar",
}

# Timeframe → Binance interval mapping
TIMEFRAME_TO_BINANCE = {
    "1m": "1m",
    "5m": "5m",
    "15m": "15m",
    "1h": "1h",
    "4h": "4h",
    "1d": "1d",
}

# Default OHLCV limit
DEFAULT_OHLCV_LIMIT = 100
MAX_OHLCV_LIMIT = 500