import streamlit as st
from forex_python.converter import CurrencyRates, CurrencyCodes, RatesNotAvailableError

# Set up the title and sidebar for user inputs
st.title("Currency Converter")

st.sidebar.header("Conversion Settings")
amount = st.sidebar.number_input("Amount", min_value=0.0, value=1.0, step=1.0)
currency_list = ["USD", "EUR", "GBP", "JPY", "AUD", "CAD", "CHF", "CNY", "SEK", "NZD"]
from_currency = st.sidebar.selectbox("From Currency", currency_list)
to_currency = st.sidebar.selectbox("To Currency", currency_list)

# Conversion result section
st.header("Conversion Result")

if st.button("Convert"):
    c = CurrencyRates()
    try:
        converted_amount = c.convert(from_currency, to_currency, amount)
        st.write(f"{amount} {from_currency} is equal to {converted_amount:.2f} {to_currency}")

        code = CurrencyCodes()
        from_symbol = code.get_symbol(from_currency)
        to_symbol = code.get_symbol(to_currency)
        st.write(f"Symbols: {from_symbol} to {to_symbol}")
    except RatesNotAvailableError as e:
        st.error(f"Error: The conversion rate for {from_currency} to {to_currency} is not available.")
    except Exception as e:
        st.error(f"Error: {e}")

st.sidebar.header("API used")
st.sidebar.write("Forex Python API")