from __future__ import annotations

from typing import Any
from ..states.ingestion_state import IngestionState


def discovery_node(state: IngestionState) -> dict[str, Any]:
    """Discovery Phase: Check existing capabilities and resources non-blockingly."""
    request = state.get("request")
    source = request.source if request else "unknown"
    locator = request.locator if request else "unknown"

    # Non-blocking check for existing ingestion resources
    existing_resources = {
        "source": source,
        "locator": locator,
        "previously_ingested": False,
        "connector_available": source in {"github", "sharepoint"},
    }

    return {
        "existing_resources": existing_resources,
        "current_step": "discovery",
        "next_step": "validation",
    }