import os
from pathlib import Path
from dotenv import load_dotenv

_env_loaded = False


def _load_env():
    global _env_loaded
    if not _env_loaded:
        env_path = Path(__file__).parent.parent.parent / ".env"
        load_dotenv(env_path)
        _env_loaded = True


class Config:
    def __init__(self):
        _load_env()
        self._db_session = None

    def get(self, key: str, default: str = "") -> str:
        _load_env()
        return os.getenv(key, default)

    def get_setting(self, key: str, default: str = "") -> str:
        from db.database import get_session
        from db.models import Setting
        try:
            with get_session() as session:
                row = session.query(Setting).filter_by(key=key).first()
                if row:
                    return row.value
        except Exception:
            pass
        return default

    def set_setting(self, key: str, value: str) -> None:
        from db.database import get_session
        from db.models import Setting
        with get_session() as session:
            row = session.query(Setting).filter_by(key=key).first()
            if row:
                row.value = value
            else:
                session.add(Setting(key=key, value=value))
            session.commit()

    @property
    def anthropic_key(self) -> str:
        return self.get("ANTHROPIC_API_KEY") or self.get_setting("anthropic_api_key")

    @property
    def news_api_key(self) -> str:
        return self.get("NEWS_API_KEY") or self.get_setting("news_api_key")

    @property
    def schwab_app_key(self) -> str:
        return self.get("SCHWAB_APP_KEY") or self.get_setting("schwab_app_key")

    @property
    def schwab_app_secret(self) -> str:
        return self.get("SCHWAB_APP_SECRET") or self.get_setting("schwab_app_secret")

    @property
    def robinhood_username(self) -> str:
        return self.get("ROBINHOOD_USERNAME") or self.get_setting("robinhood_username")

    @property
    def robinhood_password(self) -> str:
        return self.get("ROBINHOOD_PASSWORD") or self.get_setting("robinhood_password")