app.py

import streamlit as st

# Initialize session state for gold price
if "gold_price" not in st.session_state:
    st.session_state.gold_price = 6500.0  # Default gold price (float)

# Tabs
tab1, tab2 = st.tabs(["Zakat Calculator", "Current Gold Price"])

# Current Gold Price Tab
with tab2:
    st.title("Current Gold Price")
    new_gold_price = st.number_input("Enter Current Gold Price (PKR per gram):", value=st.session_state.gold_price, min_value=0.0)

    if st.button("Update Gold Price"):
        st.session_state.gold_price = new_gold_price
        st.success("Gold price updated!")

    st.write(f"Current Gold Price: {st.session_state.gold_price:.2f} PKR per gram")
    st.write("Note: Please ensure the price is accurate.")

# Zakat Calculator Tab
with tab1:
    st.title("Zakat Calculator")

    # Input fields
    gold_grams = st.number_input("Gold (grams):", min_value=0.0, value=0.0)
    silver_grams = st.number_input("Silver (grams):", min_value=0.0, value=0.0)
    cash = st.number_input("Cash (currency amount):", min_value=0.0, value=0.0)
    business_assets = st.number_input("Business Assets (currency amount):", min_value=0.0, value=0.0)
    receivables = st.number_input("Receivables (currency amount):", min_value=0.0, value=0.0)

    # Gold and Silver prices
    gold_price_per_gram = st.session_state.gold_price
    silver_price_per_gram = 80.0  # Example price (Pakistani Rupees) - float

    # Calculate total wealth
    total_wealth = (
        (gold_grams * gold_price_per_gram)
        + (silver_grams * silver_price_per_gram)
        + cash
        + business_assets
        + receivables
    )

    # Nisab (threshold) - Example value, you should use the current Nisab.
    nisab = 179689.0  # Example Nisab value in Pakistani Rupees (float)

    # Calculate Zakat
    if total_wealth >= nisab:
        zakat = total_wealth * 0.025  # 2.5% Zakat
        st.success(f"Your total wealth is: {total_wealth:.2f} PKR")
        st.success(f"Zakat payable: {zakat:.2f} PKR")
    else:
        st.warning(f"Your total wealth ({total_wealth:.2f} PKR) is below the Nisab ({nisab:.2f} PKR). No Zakat is due.")