"""Template for custom function or Pydantic model."""
import csv
from pathlib import Path

def record_interestingness(title: str, uninteresting: bool) -> str:
    """Label the interestingness of the entry.

    Args:
        title (str): The title of the entry to label.
        uninteresting (bool): Whether the entry is uninteresting.
    """
    # Create result.csv if it doesn't exist
    result_file = Path("result.csv")
    file_exists = result_file.exists()

    with open(result_file, "a", newline="") as f:
        writer = csv.writer(f)

        # Write header if file is new
        if not file_exists:
            writer.writerow(["title", "uninteresting"])

        # Write results
        writer.writerow([title, int(uninteresting)])

    return "Entry labeled successfully."