Code Editor for app.py

import streamlit as st
import random

st.title("D&D Dice Roller 🎲")

# Add some styling
st.markdown("""
<style>
    .dice-result {
        font-size: 24px;
        font-weight: bold;
        padding: 10px;
        border-radius: 5px;
        background-color: #f0f2f6;
        margin: 10px 0;
    }
</style>
""", unsafe_allow_html=True)

# Initialize session state for roll history
if 'roll_history' not in st.session_state:
    st.session_state.roll_history = []

# Dice options
dice_types = {
    "D4": 4,
    "D6": 6,
    "D8": 8,
    "D10": 10,
    "D12": 12,
    "D20": 20,
    "D100": 100
}

# Sidebar for dice selection
with st.sidebar:
    st.header("Dice Settings")
    selected_die = st.selectbox("Select Dice Type", list(dice_types.keys()))
    num_dice = st.number_input("Number of Dice", min_value=1, max_value=10, value=1)
    modifier = st.number_input("Modifier (+ or -)", min_value=-20, max_value=20, value=0)
    
    # Advantage/Disadvantage for D20
    if selected_die == "D20":
        roll_type = st.radio("Roll Type", ["Normal", "Advantage", "Disadvantage"])
    
    clear_history = st.button("Clear History")
    if clear_history:
        st.session_state.roll_history = []
        st.rerun()

# Main roll function
def roll_dice(sides, number=1, mod=0, roll_type="Normal"):
    results = [random.randint(1, sides) for _ in range(number)]
    
    if roll_type in ["Advantage", "Disadvantage"] and sides == 20:
        second_roll = random.randint(1, sides)
        if roll_type == "Advantage":
            final_result = max(results[0], second_roll)
            details = f"Rolls: {results[0]} and {second_roll} (took higher)"
        else:
            final_result = min(results[0], second_roll)
            details = f"Rolls: {results[0]} and {second_roll} (took lower)"
        total = final_result + mod
        return total, details
    
    total = sum(results) + mod
    details = f"Rolls: {results}" + (f" + {mod}" if mod > 0 else f" - {abs(mod)}" if mod < 0 else "")
    return total, details

# Main roll button
if st.button(f"Roll {num_dice}{selected_die} {'+' + str(modifier) if modifier > 0 else str(modifier) if modifier < 0 else ''}"):
    roll_type = "Normal" if selected_die != "D20" else roll_type
    total, details = roll_dice(dice_types[selected_die], num_dice, modifier, roll_type)
    
    # Create roll description
    roll_desc = f"{num_dice}{selected_die}"
    if modifier != 0:
        roll_desc += f" {'+' + str(modifier) if modifier > 0 else str(modifier)}"
    if roll_type in ["Advantage", "Disadvantage"]:
        roll_desc += f" with {roll_type}"
    
    # Add to history
    st.session_state.roll_history.insert(0, {
        "roll": roll_desc,
        "result": total,
        "details": details
    })

# Display current roll and history
st.header("Roll History")
for roll in st.session_state.roll_history:
    with st.container():
        st.markdown(f"**{roll['roll']}**")
        st.markdown(f"<div class='dice-result'>🎲 Result: {roll['result']}</div>", unsafe_allow_html=True)
        st.write(roll['details'])
        st.divider()

# Add some helpful information at the bottom
with st.expander("How to Use"):
    st.write("""
    1. Select your dice type from the sidebar
    2. Choose how many dice to roll
    3. Add any modifier if needed
    4. For D20 rolls, you can select Advantage or Disadvantage
    5. Click the roll button to see your result
    6. Your roll history will be displayed below
    """)