import gradio as gr

# Food database (same as your provided code)
FOOD_DATABASE = {
    "veg": {
        "paneer": {
            "lowCalorie": [
                {"name": "Grilled Paneer Tikka", "description": "Marinated and grilled paneer cubes with spices", "calories": 180, "protein": 14},
                {"name": "Paneer Bhurji", "description": "Scrambled paneer with vegetables", "calories": 200, "protein": 16}
            ],
            "highProtein": [
                {"name": "Protein Paneer Bowl", "description": "High protein paneer with quinoa", "calories": 320, "protein": 24},
                {"name": "Paneer Steak", "description": "Thick cut paneer steak with herbs", "calories": 280, "protein": 22}
            ]
        },
        "mushroom": {
            "lowCalorie": [
                {"name": "Grilled Mushroom Caps", "description": "Herb-stuffed mushroom caps", "calories": 120, "protein": 8},
                {"name": "Mushroom Soup", "description": "Creamy mushroom soup", "calories": 150, "protein": 6}
            ]
        },
        "aloo": {
            "lowCalorie": [
                {"name": "Baked Potato Wedges", "description": "Spiced and baked potato wedges", "calories": 160, "protein": 4},
                {"name": "Aloo Tikki", "description": "Spiced potato patties", "calories": 180, "protein": 3}
            ]
        }
    },
    "nonveg": {
        "chicken": {
            "highProtein": [
                {"name": "Grilled Chicken Breast", "description": "Herb-marinated grilled chicken", "calories": 250, "protein": 30},
                {"name": "Chicken Tikka", "description": "Tandoori spiced chicken pieces", "calories": 280, "protein": 32}
            ]
        },
        "fish": {
            "lowCalorie": [
                {"name": "Grilled Salmon", "description": "Lemon herb grilled salmon", "calories": 220, "protein": 25},
                {"name": "Steamed Fish", "description": "Ginger-garlic steamed fish", "calories": 180, "protein": 22}
            ]
        },
        "mutton": {
            "balanced": [
                {"name": "Mutton Curry", "description": "Traditional spiced mutton curry", "calories": 350, "protein": 28},
                {"name": "Grilled Lamb Chops", "description": "Herb-crusted lamb chops", "calories": 380, "protein": 32}
            ]
        }
    }
}

VEG_INGREDIENTS = ["Paneer", "Mushroom", "Aloo", "Brinjal", "Palak"]
NONVEG_TYPES = ["Chicken", "Fish", "Mutton", "Pork"]
NUTRITION_OPTIONS = ["Low Calorie", "High Protein", "Low Carb", "Balanced", "Gluten Free"]

class ChatState:
    def __init__(self):
        self.step = "initial"
        self.category = ""
        self.ingredient = ""

chat_state = ChatState()

def process_message(message, history):
    if chat_state.step == "initial":
        if "yes" in message.lower() or "yeah" in message.lower():
            chat_state.step = "category"
            return "Great! Please select your preferred category: Vegetarian, Non-Vegetarian."
        return "I'm here to help you customize your food. Would you like to proceed? (Yes/No)"
    
    elif chat_state.step == "category":
        chat_state.category = message.lower()
        chat_state.step = "ingredient"
        
        if "vegetarian" in message.lower():
            return f"Great! What main ingredient would you like? Available options: {', '.join(VEG_INGREDIENTS)}"
        elif "non-vegetarian" in message.lower():
            return f"Great! What type of meat would you prefer? Available options: {', '.join(NONVEG_TYPES)}"
        return "Please select either Vegetarian, Non-Vegetarian"
    
    elif chat_state.step == "ingredient":
        chat_state.ingredient = message.lower()
        chat_state.step = "nutrition"
        return f"Perfect! Now, select your nutrition preference: {', '.join(NUTRITION_OPTIONS)}"
    
    elif chat_state.step == "nutrition":
        nutrition = message.lower().replace(" ", "")
        category = "nonveg" if "non" in chat_state.category else "veg"
        ingredient = chat_state.ingredient
        
        try:
            food_items = FOOD_DATABASE[category][ingredient][nutrition]
            response = f"Here are some {message} {ingredient} dishes for you:\n"
            for item in food_items:
                response += f"\n• {item['name']} ({item['calories']} cal, {item['protein']}g protein)\n  {item['description']}"
            chat_state.step = "initial"  # Reset for new conversation
            return response
        except KeyError:
            chat_state.step = "initial"  # Reset for new conversation
            return f"Sorry, I don't have any dishes for this combination."

    return "I'm not sure how to help with that. Would you like to start over?"

def create_gradio_interface():
    with gr.Blocks() as demo:
        chatbot = gr.Chatbot([])
        msg = gr.Textbox(show_label=False, placeholder="Enter text and press enter")
        clear = gr.Button("Clear")

        def user(user_message, history):
            return "", history + [[user_message, None]]
        
        def bot(history):
            user_message = history[-1][0]
            bot_message = process_message(user_message, history)
            history[-1][1] = bot_message
            return history

        msg.submit(user, [msg, chatbot], [msg, chatbot]).then(bot, chatbot, chatbot)
        clear.click(lambda: None, None, chatbot)

    return demo

# Launch the Gradio app
if __name__ == "__main__":
    demo = create_gradio_interface()
    demo.launch(share=True)