from pathlib import Path

from pydantic_settings import BaseSettings, SettingsConfigDict

# Repo-root .env (shared with the compose stack). Real environment variables
# always take precedence over .env values.
REPO_ROOT = Path(__file__).resolve().parent.parent.parent


class Settings(BaseSettings):
    model_config = SettingsConfigDict(env_file=REPO_ROOT / ".env", extra="ignore")

    version: str = "0.1.0"
    debug: bool = False

    # App database (SQLite file). Override via DATABASE_URL for other engines.
    database_url: str = str(REPO_ROOT / "backend" / "data" / "kirche.db")

    # Canonical flow definitions (source of truth): one Langflow export per file.
    flows_dir: str = str(REPO_ROOT / "backend" / "flows")
    # Auto-reconcile backend/flows into the DB + LFX while the API is running.
    flows_watch_enabled: bool = True

    langflow_url: str = "http://localhost:7860"
    langflow_api_key: str = ""
    lfx_url: str = "http://localhost:6004"
    lfx_api_key: str = ""
    llm_api_key: str = ""
    # Base URL flows use for callbacks into this API. Must be reachable
    # FROM the LFX process (compose: http://api:8000).
    callback_base_url: str = "http://localhost:8000"


settings = Settings()