"""Paths for bundled resources and per-run artifacts."""

from pathlib import Path


SOURCE_DIR = Path(__file__).resolve().parent


def prompt_path(name: str) -> Path:
    """Return a prompt bundled with the application source code."""
    path = SOURCE_DIR / "prompts" / name
    if not path.is_file():
        raise FileNotFoundError(f"Prompt not found: {path}")
    return path


def debug_path(component: str, index: int) -> Path | None:
    """Create a debug directory in the current working directory when enabled."""
    root = Path.cwd() / "debug"
    if not root.is_dir():
        return None
    path = root / component / str(index)
    path.mkdir(parents=True, exist_ok=True)
    return path