# File: /services/chatbot.py

import gradio as gr
import logging
from services.utils import chatbot_response  # Import chatbot response function from utils

logger = logging.getLogger(__name__)

def build_chatbot_interface(user):
    """
    Build the Gradio interface for the chatbot.

    Args:
        user (dict): Authenticated user information.

    Returns:
        gr.Blocks: Gradio Blocks object representing the chatbot interface.
    """
    try:
        logger.info("Building Gradio chatbot interface.")
        with gr.Blocks(theme=gr.themes.Soft(primary_hue="green", neutral_hue="blue")) as chatbot_interface:
            gr.Markdown(f"# 🐔 Poultry Management Chatbot - Welcome, {user['username']}!")
            gr.Markdown("Welcome! This chatbot helps you manage your poultry with ease. You can upload an image for disease diagnosis or ask any questions about poultry management.")

            chat_history = gr.Chatbot()
            with gr.Row():
                with gr.Column(scale=1):
                    fecal_image = gr.Image(
                        label="Upload Image of Poultry Feces (Optional)",
                        type="numpy",
                        elem_id="image-upload",
                        show_label=True,
                    )
                with gr.Column(scale=2):
                    user_input = gr.Textbox(
                        label="Ask a question",
                        placeholder="Ask about poultry management...",
                        lines=3,
                        elem_id="user-input",
                    )

            output_box = gr.Textbox(
                label="Response",
                placeholder="Response will appear here...",
                interactive=False,
                lines=10,
                elem_id="output-box",
            )

            submit_button = gr.Button(
                "Submit",
                variant="primary",
                elem_id="submit-button"
            )
            # Connect the submit button to the chatbot response function
            def handle_chatbot_response(image, text):
                return chatbot_response(image, text, user['username'], None)

            submit_button.click(
                fn=handle_chatbot_response,
                inputs=[fecal_image, user_input],
                outputs=[output_box]
            )
        logger.info("Chatbot interface built successfully.")
        return chatbot_interface
    except Exception as e:
        logger.error(f"Error building chatbot interface for user {user['username']}: {e}")
        raise RuntimeError("Could not build the chatbot interface. Please check the configuration.")