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")

    # Security
    secret_key: str
    internal_secret: str = "dev-change-me-in-production"  # Shared secret for internal service-to-service calls
    jwt_algorithm: str = "HS256"
    access_token_expire_minutes: int = 60  # 1 hour

    # Database
    database_url: str  # postgresql+asyncpg://...

    # Redis
    redis_url: str = "redis://localhost:6379/0"
    job_queue_key: str = "rh:jobs"

    # App
    domain: str = "localhost"
    debug: bool = False
    # Additional CORS origins (comma-separated)
    cors_origins: str = ""

    # Worker
    analysis_version: str = "1.0.0"


@lru_cache
def get_settings() -> Settings:
    return Settings()  # type: ignore[call-arg]