"""Frontend module for NiceGUI with FastAPI integration.

This module provides the NiceGUI frontend that can be initialized with a FastAPI app.
The dashboard shown is from dashboard_ui.py with real-time database data.
"""

from fastapi import FastAPI

from nicegui import app, ui
from dashboard_ui import create_dashboard


def init(fastapi_app: FastAPI, storage_secret: str = 'Secr2t!') -> None:
    """Initialize the NiceGUI frontend with the FastAPI app.
    
    Args:
        fastapi_app: The FastAPI application instance.
        storage_secret: Optional secret for persistent user storage.
    """
    
    @ui.page('/show')
    def show():
        create_dashboard()
        
        # NOTE dark mode will be persistent for each user across tabs and server restarts
        ui.dark_mode().bind_value(app.storage.user, 'dark_mode')
        ui.checkbox('dark mode').bind_value(app.storage.user, 'dark_mode')
    
    ui.run_with(
        fastapi_app,
        storage_secret=storage_secret,  # NOTE setting a secret is optional but allows for persistent storage per user
    )