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",
    )

    telegram_bot_token: str
    telegram_chat_id: str
    telegram_message_thread_id: int
    webhook_secret: str
    host: str = "0.0.0.0"
    port: int = 8000

    scanner_enabled: bool = True
    scanner_poll_seconds: float = 20.0
    watchlist_path: str = "watchlist.yaml"
    scanner_state_path: str = "data/scanner.db"
    risk_usd: float = 40.0

    geryon_webhook_url: str = ""
    geryon_account_id: str = "admin1"
    geryon_account_id_ltf: str = ""
    geryon_account_id_fvg: str = ""
    geryon_order_type: str = "bbo"
    geryon_secret: str = ""
    geryon_secret_ltf: str = ""
    geryon_secret_fvg: str = ""

    def geryon_account_id_for(self, strategy_id: str) -> str:
        if strategy_id == "ltf":
            return self.geryon_account_id_ltf or self.geryon_account_id
        return self.geryon_account_id_fvg or self.geryon_account_id

    def geryon_secret_for(self, strategy_id: str) -> str:
        if strategy_id == "ltf":
            return self.geryon_secret_ltf or self.geryon_secret
        return self.geryon_secret_fvg or self.geryon_secret


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