app.py

import bcrypt
import gradio as gr
from simple_salesforce import Salesforce
# Salesforce Connection
sf = Salesforce(username='surendra@sathkrutha.com', 
                password='Lavanyanaga@123', 
                security_token='z7Wvk6mys7n8XjqbYKf3bwBh7')



# Function to Hash Password
def hash_password(password):
    return bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt()).decode('utf-8')

# Function to Verify Password
def verify_password(plain_password, hashed_password):
    return bcrypt.checkpw(plain_password.encode('utf-8'), hashed_password.encode('utf-8'))

# Signup function with email validation
def signup(name, email, phone, password):
    try:
        email = email.strip()

        # Check if the email already exists in Salesforce
        query = f"SELECT Id FROM User_Login__c WHERE Email__c = '{email}'"
        result = sf.query(query)

        if len(result['records']) > 0:
            # Email already exists
            return "Email already exists! Please use a different email."

        # Hash the password
        hashed_password = hash_password(password)

        # Create the new user record
        sf.User_Login__c.create({
            'Name__c': name.strip(),
            'Email__c': email,
            'Phone__c': phone.strip(),
            'Password3__c': hashed_password  # Use Password3__c field for hashed passwords
        })
        return "Signup successful! You can now login."
    except Exception as e:
        return f"Error during signup: {str(e)}"

# Login function
def login(email, password):
    try:
        email = email.strip()
        password = password.strip()

        # Query Salesforce for user details
        query = f"SELECT Name__c, Email__c, Phone__c, Password3__c FROM User_Login__c WHERE Email__c = '{email}'"
        result = sf.query(query)

        if len(result['records']) == 0:
            return "Invalid email or password.", None, None, None

        user = result['records'][0]
        stored_password = user['Password3__c']

        print(f"Entered Email: {email}")
        print(f"Entered Password: {password}")
        print(f"Stored Hashed Password: {stored_password}")

        # Verify the entered password with the stored hash
        if verify_password(password, stored_password):
            print("Password matched!")
            return "Login successful!", user['Name__c'], user['Email__c'], user['Phone__c']
        else:
            print("Password did not match!")
            return "Invalid email or password.", None, None, None
    except Exception as e:
        print(f"Error during login: {str(e)}")
        return f"Error during login: {str(e)}", None, None, None

# Gradio Signup Page
def signup_page(name, email, phone, password):
    response = signup(name, email, phone, password)
    return response

signup_interface = gr.Interface(
    fn=signup_page,
    inputs=[
        gr.Textbox(label="Name"),
        gr.Textbox(label="Email"),
        gr.Textbox(label="Phone"),
        gr.Textbox(label="Password", type="password"),
    ],
    outputs=gr.Textbox(label="Signup Status"),
    title="Signup Page"
)

# Gradio Login Page
def login_page(email, password):
    login_status, name, email, phone = login(email, password)
    if login_status == "Login successful!":
        return login_status, name, email, phone
    else:
        return login_status, "Error", "Error", "Error"

login_interface = gr.Interface(
    fn=login_page,
    inputs=[
        gr.Textbox(label="Email"),
        gr.Textbox(label="Password", type="password"),
    ],
    outputs=[
        gr.Textbox(label="Login Status"),
        gr.Textbox(label="Name"),
        gr.Textbox(label="Email"),
        gr.Textbox(label="Phone"),
    ],
    title="Login Page"
)

# Combine Pages in Gradio
with gr.Blocks() as app:
    with gr.Tab("Signup"):
        signup_interface.render()

    with gr.Tab("Login"):
        login_interface.render()

# Launch Gradio App
app.launch()