from functools import lru_cache
from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    model_config = SettingsConfigDict(env_file='.env', env_file_encoding='utf-8', extra='ignore')

    app_name: str = 'Trade Autopilot'
    app_env: str = 'local'
    trade_mode: str = 'demo'
    enable_live_trading: bool = False
    demo_initial_balance: float = 10000.0
    demo_quote_asset: str = 'USDT'
    coinex_api_base: str = 'https://api.coinex.com/v2'
    coinex_ws_spot: str = 'wss://socket.coinex.com/v2/spot'
    default_market: str = 'BTCUSDT'
    market_universe: str = 'BTCUSDT,ETHUSDT,SOLUSDT,XRPUSDT,DOGEUSDT,BNBUSDT,ADAUSDT,TONUSDT'
    database_url: str = 'sqlite:///./trade.db'
    redis_url: str = 'redis://localhost:6379/0'
    coinex_access_id: str = ''
    coinex_secret_key: str = ''
    admin_username: str = 'admin'
    admin_password: str = 'admin'
    auth_enabled: bool = True

    @property
    def live_enabled(self) -> bool:
        return self.trade_mode == 'live' and self.enable_live_trading

    @property
    def coinex_credentials_present(self) -> bool:
        return bool(self.coinex_access_id and self.coinex_secret_key)

    @property
    def markets(self) -> list[str]:
        return [item.strip().upper() for item in self.market_universe.split(',') if item.strip()]


@lru_cache
def get_settings() -> Settings:
    return Settings()