import os
import json
import huggingface_hub
from huggingface_hub import Repository
from datetime import datetime

# Define the path to your JSON file

DATASET_REPO_URL = "https://huggingface.co/datasets/bupa1018/Test"
DATA_FILENAME = "repo_data.json"
DATA_FILE = os.path.join("data", DATA_FILENAME)

# Function to retrieve the last download entry from the JSON file
def store_message_from_json(hf_token):
    try:

        repo = Repository(
            local_dir="data", clone_from=DATASET_REPO_URL, use_auth_token=hf_token
        )
        # Open and load the JSON file
        with open(DATA_FILE, "r") as jsonfile:
            data = json.load(jsonfile)
        
        # Check if the "downloads" list exists and is not empty
        if "downloads" in data and len(data["downloads"]) > 0:
            # Retrieve the last item in the "downloads" list
            last_download = data["downloads"][-1]
            version = last_download["version"]
            commit_hash = last_download["commit_hash"]
            download_date = last_download["download_date"]

            # Print or return the extracted data
            return f"Version: {version}, Commit Hash: {commit_hash}, Download Date: {download_date}"
        else:
            return "No downloads found in the JSON file."
    except FileNotFoundError:
        return "The JSON file does not exist."
    except json.JSONDecodeError:
        return "Error decoding the JSON file."
    except Exception as e:
        return f"An error occurred: {e}"