components/menu_display.py

import gradio as gr
from utils.excel_operations import read_excel
from utils.state_management import state

def menu_page():
    def get_filtered_menu():
        user = state.get("user")
        if not user:
            return "Please log in first!"
        
        preferences = user["Preferences"]
        allergies = user["Allergies"].split(",")
        menu = read_excel("data/menu.xlsx")
        filtered_menu = [
            item for item in menu 
            if preferences in item["Category"] and not any(allergen in allergies for allergen in item["Allergens"])
        ]
        return filtered_menu

    def add_to_cart(item, spice_level):
        cart = state.get("cart", [])
        cart.append({"Item": item, "Spice Level": spice_level})
        state["cart"] = cart
        return "Added to cart!"

    menu_items = get_filtered_menu()

    with gr.Group():
        gr.Markdown("### Menu")
        if isinstance(menu_items, str):
            gr.Label(menu_items)  # Display message if menu_items is a string (e.g., "Please log in first!")
        else:
            for item in menu_items:
                with gr.Row():  # Use gr.Row to display menu items
                    gr.Image(item["Image"], label=item["Name"])
                    gr.Text(f"{item['Price']} ₹")
                    spice_level = gr.Radio(["Mild 🌶️", "Medium 🌶️🌶️", "High 🌶️🌶️🌶️"], label="Spice Level")
                    add_button = gr.Button("Add to Cart")
                    add_button.click(add_to_cart, inputs=[item["Name"], spice_level], outputs=gr.Label("Status"))