app.py

import gradio as gr
from truck_owner import truck_owner_ui
# from transporter import transporter_ui
# from customer_service import customer_service_ui
# from admin import admin_ui
import pandas as pd

file_path = 'data.xlsx'
users_df = pd.read_excel(file_path, sheet_name='Users')

def authenticate(username, password):
    user = users_df[(users_df['Username'] == username) & (users_df['Password'] == password)]
    if not user.empty:
        return user.iloc[0]['Role']
    return None

def main_ui():
    with gr.Blocks() as main_block:
        gr.Markdown("## Instacomm App Login")
        username = gr.Textbox(label="Username")
        password = gr.Textbox(label="Password", type="password")
        login_btn = gr.Button("Login")
        login_status = gr.Text()

        def login(username, password):
            role = authenticate(username, password)
            if role:
                if role == "Truck Owner":
                    return truck_owner_ui()
                # elif role == "Transporter":
                #     return transporter_ui()
                # elif role == "Customer Service":
                #     return customer_service_ui()
                # elif role == "Admin":
                #     return admin_ui()
            else:
                return gr.Text(value="Invalid credentials")

        login_btn.click(fn=login, inputs=[username, password], outputs=login_status)
        
    main_block.launch()

if __name__ == "__main__":
    main_ui()