from functools import lru_cache
from pydantic import Field
from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    model_config = SettingsConfigDict(env_prefix="INGESTION_", case_sensitive=False)
    github_token: str | None = Field(default=None, repr=False)
    github_api_base: str = "https://api.github.com"
    sharepoint_site_url: str | None = None
    sharepoint_access_token: str | None = Field(default=None, repr=False)
    require_governance_approval: bool = True
    publish_enabled: bool = False
    allowed_sources: tuple[str, ...] = ("github",)
    service_name: str = "content-ingestion-agent"


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