from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    brave_api_key: str | None = None
    serper_api_key: str | None = None
    redis_url: str | None = "redis://localhost:6379"
    api_keys: str | None = None
    litellm_base_url: str = "http://localhost:4000"
    litellm_api_key: str | None = None
    synthesis_model: str = "claude-sonnet-4-6"
    reranker_model: str = "BAAI/bge-reranker-v2-m3"
    port: int = 8000
    max_concurrent_scrapes: int = 10
    scrape_timeout: int = 5
    rate_limit_per_minute: int = 60
    extract_timeout: int = 10
    crawl_max_pages: int = 50
    crawl_max_depth: int = 3
    index_db_path: str = "axon_index.sqlite3"
    enable_browser_fallback: bool = False

    @property
    def api_key_list(self) -> list[str]:
        if not self.api_keys:
            return []
        return [k.strip() for k in self.api_keys.split(",") if k.strip()]

    model_config = {"env_file": ".env", "extra": "ignore"}


settings = Settings()