import gradio as gr
import pandas as pd

# Function to load the menu data from Excel
def load_menu():
    menu_file = "menu.xlsx"  # Ensure this file exists in the same directory
    try:
        return pd.read_excel(menu_file)
    except Exception as e:
        raise ValueError(f"Error loading menu file: {e}")

# Function to generate the popup content dynamically
def generate_popup(item_name):
    menu_data = load_menu()
    try:
        item = menu_data[menu_data['Dish Name'] == item_name].iloc[0]
    except IndexError:
        return f"<p style='color: red;'>Item '{item_name}' not found!</p>"

    # Dynamic HTML for the popup
    popup_content = f"""
    <div style="background-color: white; padding: 20px; border-radius: 8px; width: 80%; margin: auto; box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2); position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 1000;">
        <img src="{item['Image URL']}" alt="{item_name}" style="width: 100%; border-radius: 8px; margin-bottom: 20px;">
        <h2>{item_name}</h2>
        <p>{item['Description']}</p>
        <p style="font-size: 18px; color: #333;"><strong>Price:</strong> ${item['Price ($)']}</p>
        <h3>Choose a Spice Level:</h3>
        <div style="display: flex; gap: 10px;">
            <label><input type="radio" name="spice" value="American Mild"> American Mild</label>
            <label><input type="radio" name="spice" value="American Medium"> American Medium</label>
            <label><input type="radio" name="spice" value="American Spicy"> American Spicy</label>
            <label><input type="radio" name="spice" value="Indian Mild"> Indian Mild</label>
            <label><input type="radio" name="spice" value="Indian Medium"> Indian Medium</label>
            <label><input type="radio" name="spice" value="Indian Spicy"> Indian Spicy</label>
        </div>
        <h3>Biryani Extras:</h3>
        <div style="display: flex; flex-wrap: wrap; gap: 10px;">
            <label><input type="checkbox" name="extras" value="Extra Raitha 4oz"> Extra Raitha 4oz ($1)</label>
            <label><input type="checkbox" name="extras" value="Extra Raitha 8oz"> Extra Raitha 8oz ($2)</label>
            <label><input type="checkbox" name="extras" value="Extra Salan 4oz"> Extra Salan 4oz ($1)</label>
            <label><input type="checkbox" name="extras" value="Extra Onion"> Extra Onion ($1)</label>
        </div>
        <h3>Special Instructions:</h3>
        <textarea placeholder="Add any requests here." style="width: 100%; height: 100px;"></textarea>
        <h3>Quantity:</h3>
        <input type="number" value="1" min="1" style="width: 50px;">
        <button style="background-color: purple; color: white; padding: 10px 20px; margin-top: 20px; border: none; border-radius: 5px; cursor: pointer;">Add to Bag</button>
    </div>
    """
    return popup_content

# Function to filter menu items and include the popup functionality
def filter_menu_with_popup(preference):
    menu_data = load_menu()

    # Define filter conditions
    if preference == "Halal/Non-Veg":
        filtered_data = menu_data[menu_data["Ingredients"].str.contains("Chicken|Mutton|Fish|Prawns|Goat", case=False, na=False)]
    elif preference == "Vegetarian":
        filtered_data = menu_data[~menu_data["Ingredients"].str.contains("Chicken|Mutton|Fish|Prawns|Goat", case=False, na=False)]
    elif preference == "Guilt-Free":
        filtered_data = menu_data[menu_data["Description"].str.contains(r"Fat: ([0-9]|10)g", case=False, na=False)]
    else:  # Default to "All"
        filtered_data = menu_data

    # Generate HTML for the menu
    html_content = ""
    for _, item in filtered_data.iterrows():
        html_content += f"""
        <div style="display: flex; align-items: center; border: 1px solid #ddd; border-radius: 8px; padding: 15px; margin-bottom: 10px; box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1); position: relative;">
            <div style="flex: 1; margin-right: 15px;">
                <h3 style="margin: 0; font-size: 18px;">{item['Dish Name']}</h3>
                <p style="margin: 5px 0; font-size: 16px; color: #888;">${item['Price ($)']}</p>
                <p style="margin: 5px 0; font-size: 14px; color: #555;">{item['Description']}</p>
            </div>
            <div style="flex-shrink: 0; text-align: center;">
                <img src="{item['Image URL']}" alt="{item['Dish Name']}" style="width: 100px; height: 100px; border-radius: 8px; object-fit: cover; margin-bottom: 10px;">
                <button onclick="showPopup('{item['Dish Name']}')" style="background-color: #28a745; color: white; border: none; padding: 8px 15px; font-size: 14px; border-radius: 5px; cursor: pointer;">Add</button>
            </div>
        </div>
        """
    return html_content

# Gradio app definition
def app():
    with gr.Blocks(title="Dynamic Menu with Filters") as demo:
        gr.Markdown("## Dynamic Menu with Preferences")

        # Radio button for selecting preference
        selected_preference = gr.Radio(
            choices=["All", "Vegetarian", "Halal/Non-Veg", "Guilt-Free"],
            value="All",
            label="Choose a Preference",
        )

        # Output area for menu items
        menu_output = gr.HTML(value=filter_menu_with_popup("All"))

        # Popup area
        popup_output = gr.HTML()

        # Define interactivity
        selected_preference.change(filter_menu_with_popup, inputs=[selected_preference], outputs=[menu_output])

        # Layout
        gr.Row([selected_preference])
        gr.Row(menu_output)
        gr.Row(popup_output)

    return demo

# Run the app
if __name__ == "__main__":
    demo = app()
    demo.launch()