import os
import json
import uuid
from huggingface_hub import HfApi
from huggingface_hub.utils import HfHubHTTPError

def contribute_to_dataset(results, sample_name, repo_id, token=None):
    """
    Safely contribute to dataset with error handling
    """
    try:
        # Prepare anonymized entry
        entry = {
            "id": str(uuid.uuid4()),
            "sample_name": sample_name,
            "modalities": [k for k in results.keys() if k != 'sample_name'],
            "results": {k: v for k, v in results.items() if k != 'sample_name'}
        }
        
        # Save locally first
        os.makedirs("tmp", exist_ok=True)
        local_path = f"tmp/{entry['id']}.json"
        with open(local_path, "w") as f:
            json.dump(entry, f)
        
        # Upload to HF
        api = HfApi(token=token)
        api.upload_file(
            path_or_fileobj=local_path,
            path_in_repo=f"entries/{entry['id']}.json",
            repo_id=repo_id,
            repo_type="dataset",
            commit_message=f"Add sample: {sample_name}"
        )
        
        return True, "Successfully contributed to dataset!"
    except HfHubHTTPError as e:
        if "401" in str(e):
            return False, "Authentication required to contribute to dataset."
        else:
            return False, f"Dataset contribution failed: {str(e)}"
    except Exception as e:
        return False, f"Unexpected error: {str(e)}"