from pydantic_settings import BaseSettings, SettingsConfigDict


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

    # Database
    database_url: str = "postgresql+asyncpg://stock_backend:changeme@localhost:5432/stock_data_backend"

    # Auth
    jwt_secret: str = "change-this-to-a-random-secret"
    jwt_expiry_minutes: int = 60

    # OHLCV Provider — Alpaca Markets
    alpaca_api_key: str = ""
    alpaca_api_secret: str = ""

    # Sentiment Provider — Gemini with Search Grounding (legacy)
    gemini_api_key: str = ""
    gemini_model: str = "gemini-2.0-flash"

    # Sentiment Provider — OpenAI
    openai_api_key: str = ""
    openai_model: str = "gpt-4o-mini"
    openai_sentiment_batch_size: int = 5

    # Fundamentals Provider — Financial Modeling Prep
    fmp_api_key: str = ""

    # Fundamentals Provider — Finnhub (optional fallback)
    finnhub_api_key: str = ""

    # Fundamentals Provider — Alpha Vantage (optional fallback)
    alpha_vantage_api_key: str = ""

    # Scheduled Jobs
    data_collector_frequency: str = "daily"
    sentiment_poll_interval_minutes: int = 30
    fundamental_fetch_frequency: str = "daily"
    rr_scan_frequency: str = "daily"
    fundamental_rate_limit_retries: int = 3
    fundamental_rate_limit_backoff_seconds: int = 15

    # Scoring Defaults
    default_watchlist_auto_size: int = 10
    default_rr_threshold: float = 1.5

    # Database Pool
    db_pool_size: int = 5
    db_pool_timeout: int = 30

    # Logging
    log_level: str = "INFO"


settings = Settings()