app.py

import gradio as gr
from transformers import pipeline
import random

# List of backend servers (simulated instances of the pipeline)
backend_servers = [
    pipeline("question-answering", model="google-bert/bert-large-uncased-whole-word-masking-finetuned-squad"),
    pipeline("question-answering", model="google-bert/bert-large-uncased-whole-word-masking-finetuned-squad"),
    pipeline("question-answering", model="google-bert/bert-large-uncased-whole-word-masking-finetuned-squad")
]

# Function to select a backend server in a round-robin manner
def select_backend():
    return random.choice(backend_servers)

# Define the function to answer questions
def get_answer(text):
    backend = select_backend()
    result = backend(question=text, context=knowledge_base_text)
    return result["answer"]

# Define the Gradio interface
def chatbot_interface(text):
    answer = get_answer(text)
    return answer

knowledge_base_text = """
- British American Tobacco Bangladesh (BATB) is a leading multinational corporation operating in Bangladesh, listed on both the Dhaka Stock Exchange and Chittagong Stock Exchange.
- Established in 1910, BATB has over a century of business history in Bangladesh.
- Initially founded as Bangladesh Tobacco Company in 1972, it rebranded as BATB in 1998.
- BATB employs over 1,200 direct employees and more than 50,000 indirect employees, mainly farmers.
- Key brands under BATB include Benson & Hedges, John Player Gold Leaf, Lucky Strike, Capstan, Star, Royals, Derby, Pilot, and Hollywood.
- Shehzad Munim is the first Bangladeshi managing director in BATB's history, leading the company with a visionary approach.
- BATB's finance director, Ms. Nirala Nandini Singh, brings over 22 years of financial expertise to the organization.
- Mr. Jorge Luis Macedo Pavon has recently been appointed as the Head of Operations, leveraging his two decades of experience to drive operational excellence.
- Mr. Sudesh Peter, as the Head of Legal, brings extensive legal expertise garnered over a 12-year tenure.
- Mr. Saad Jashim focuses on fostering talent, culture, and inclusion within BATB.
- Mr. Syed Mahbub Ali, the Head of Marketing, leads BATB's marketing endeavors, driving innovation and growth.
- Mr. Numayer Alam, as the Head of Commercial, steers BATB's commercial strategy with over 20 years of experience.
- Mr. Sarzil Sarwar leads Information & Digital Technology, driving operational efficiency and innovation.
- For any technical support , laptop , monitor , mouse , headphone ,  keyboard, password , credentials & hardware issue, you should contact Mamun Nasir Bhai & his number 01730372426 . 
- Service desk contact number 01313703069
- To take leave & employee leave request portal link is "bat.sharepoint.com/sites/NextGearInduction/NextGear/SitePages/System-Links.aspx"
- turquoise is located in 1st floor near IDT floor .
- Opal and Amber is located 2nd floor near CoRA floor
- for SIM, talktime , Mobile Rechage , Top up  related issue , Please contact Faizava Tabassum 01332523269
- To request any hardware like mouse , headphone , keyboard , laptop you should access this link https://batnowprod.service-now.com/sp
- For employee offboarding , you should contact to service desk 01313703069 .
- Service desk is located at HO 1st floor & Annes near basketball ground.
- for SAP , wifi , network related issue , you should contact Md. Monirul Islam & his contact number 01730372426
"""

iface = gr.Interface(
    fn=chatbot_interface,
    inputs="text",
    outputs="text",
    css="footer{display:none !important}",
    title="British American Tobacco Bangladesh",
    description="- powered by IDT",
    theme='compact'
)

iface.launch()