import json
import os
import time
from datetime import datetime

MODEL_VERSION_PATH = "model_version.json"

def load_version():
    if os.path.exists(MODEL_VERSION_PATH):
        with open(MODEL_VERSION_PATH, "r") as f:
            return json.load(f)
    return {"version": "1.0.0", "last_updated": None}

def update_model_version(new_version: str):
    version_info = {
        "version": new_version,
        "last_updated": datetime.utcnow().isoformat()
    }
    with open(MODEL_VERSION_PATH, "w") as f:
        json.dump(version_info, f, indent=2)
    print(f"✅ Model updated to version {new_version}")

def auto_update():
    version_data = load_version()
    current_version = version_data["version"]
    print(f"🔍 Current model version: {current_version}")

    # Simulate version check and update
    major, minor, patch = map(int, current_version.split('.'))
    patch += 1
    new_version = f"{major}.{minor}.{patch}"
    update_model_version(new_version)

if __name__ == "__main__":
    while True:
        auto_update()
        time.sleep(3600)  # Update every hour