Update app.py

app.py

@@ -1,10 +1,9 @@
 # app.py
 import streamlit as st
-import requests
 
 # Set page configuration
 st.set_page_config(
-    page_title='💸 کرنسی کنورٹر',
+    page_title='💵 Currency Converter',
     page_icon='💱',
     layout='centered'
 )
@@ -12,54 +11,47 @@ st.set_page_config(
 # App Header
 st.markdown(
     """
-    <h1 style='text-align: center; color: #4CAF50;'>💸 اردو کرنسی کنورٹر</h1>
-    <p style='text-align: center; color: #555;'>دنیا کی کسی بھی کرنسی کو آسانی سے تبدیل کریں</p>
+    <h1 style='text-align: center; color: #4CAF50;'>💵 Currency Converter</h1>
+    <p style='text-align: center; color: #555;'>Easily convert currencies offline with predefined rates</p>
     """,
     unsafe_allow_html=True
 )
 
-# API Key (Replace with your actual key from exchangerate-api.com)
-API_KEY = "your_api_key_here"
-BASE_URL = f"https://v6.exchangerate-api.com/v6/{API_KEY}/latest/"
+# Predefined Exchange Rates (Static Data)
+EXCHANGE_RATES = {
+    "USD": {"EUR": 0.85, "GBP": 0.75, "PKR": 280.0},
+    "EUR": {"USD": 1.18, "GBP": 0.88, "PKR": 330.0},
+    "GBP": {"USD": 1.33, "EUR": 1.14, "PKR": 380.0},
+    "PKR": {"USD": 0.0036, "EUR": 0.0030, "GBP": 0.0026}
+}
 
 # Currency Selection
 col1, col2 = st.columns(2)
 with col1:
-    from_currency = st.text_input('🔄 اصل کرنسی منتخب کریں (USD, EUR, PKR):', 'USD').upper()
+    from_currency = st.selectbox('🔄 Select Base Currency:', list(EXCHANGE_RATES.keys()))
 with col2:
-    to_currency = st.text_input('🔄 مطلوبہ کرنسی منتخب کریں (USD, EUR, PKR):', 'PKR').upper()
+    to_currency = st.selectbox('🔄 Select Target Currency:', list(EXCHANGE_RATES.keys()))
 
 # Amount Input
-amount = st.number_input('💰 رقم درج کریں:', min_value=0.0, format='%.2f')
+amount = st.number_input('💰 Enter Amount:', min_value=0.0, format='%.2f')
 
 # Convert Button
-if st.button('🔄 تبدیل کریں'):
-    try:
-        response = requests.get(BASE_URL + from_currency)
-        
-        if response.status_code != 200:
-            st.error(f"❌ API خرابی: {response.status_code} - {response.text}")
-        else:
-            try:
-                data = response.json()
-                rate = data['conversion_rates'].get(to_currency)
-                
-                if not rate:
-                    raise Exception('منتخب کردہ کرنسی دستیاب نہیں ہے۔')
-                
-                result = amount * rate
-                st.success(f'✅ {amount} {from_currency} = {result:.2f} {to_currency}')
-            except ValueError:
-                st.error("❌ JSON Parsing خرابی: API کا جواب درست نہیں ہے۔")
-                st.write("🔍 API Response:", response.text)
-    except requests.exceptions.RequestException as e:
-        st.error(f"❌ نیٹ ورک خرابی: {e}")
+if st.button('🔄 Convert'):
+    if from_currency == to_currency:
+        st.warning("⚠️ Base and target currencies are the same. Please select different currencies.")
+    else:
+        try:
+            rate = EXCHANGE_RATES[from_currency][to_currency]
+            result = amount * rate
+            st.success(f'✅ {amount} {from_currency} = {result:.2f} {to_currency}')
+        except KeyError:
+            st.error("❌ Conversion rate not available for selected currencies.")
 
 # Footer
 st.markdown(
     """
     <hr>
-    <p style='text-align: center;'>💻 <b>ڈیزائن کردہ از ChatGPT</b></p>
+    <p style='text-align: center;'>💻 <b>Developed by ChatGPT</b></p>
     """,
     unsafe_allow_html=True
 )