app.py

import streamlit as st
import random
import google.generativeai as genai
import os

GOOGLE_API_KEY = os.getenv("Gemini")
genai.configure(api_key=GOOGLE_API_KEY)

model = genai.GenerativeModel('gemini-pro')

# Define the moves
moves = ["Rock", "Paper", "Scissors"]


# Function to determine the winner
def determine_winner(player_move, computer_move):
    if player_move == computer_move:
        return "It's a tie!"
    elif (player_move == "Rock" and computer_move == "Scissors") or \
         (player_move == "Paper" and computer_move == "Rock") or \
         (player_move == "Scissors" and computer_move == "Paper"):
        st.session_state.playerWin+=1
        return "You win!"
    else:
        st.session_state.computerWin+=1
        return "You lose!"

# Streamlit app

st.markdown("""
    <style>
        button {
            height: 4rem;
            width: 4rem;
            font-size: 40px !important;
        }
    </style>
""", unsafe_allow_html=True)
st.title("Rock, Paper, Scissors")

st.write("Choose your move:")

# Create three horizontal buttons
col1, col2, col3 = st.columns(3)

moveEmojis = {"Rock": "✊", "Paper":"✋", "Scissors": "✌️"}
with col1:
    if st.button("Rock ✊"):
        player_move = "Rock"
with col2:
    if st.button("Paper ✋"):
        player_move = "Paper"
with col3:
    if st.button("Scissors✌️"):
        player_move = "Scissors"

# Ensure player_move is defined
if 'count' not in st.session_state:
    st.session_state.count = 0
if 'playerWin' not in st.session_state:
    st.session_state.playerWin = 0
if 'computerWin' not in st.session_state:
    st.session_state.computerWin = 0
       
if 'player_move' not in st.session_state:
    st.session_state.player_move = None

# Assign player move to session state if a move is made
if 'player_move' in locals():
    st.session_state.player_move = player_move

if "chat" not in st.session_state:
    st.session_state.chat = model.start_chat(history = [
        {
            "role": 'user',
            "parts": 'You are playing a random rock paper scissors game. For rock will say "Rock", for paper will say "Paper" and for scissors will say "Scissors".  Pick a random word out of three and reply in single word once I do my move.'
        },
        {
            "role": 'model',
            "parts": 'Alright, let us play a random Rock-Paper-Scissors game. Make your first move!'
        }
    ])
    
# If a move is selected, randomly choose a move for the computer and determine the result
if st.session_state.player_move:
    st.session_state.count = st.session_state.count+1
    player_move = st.session_state.player_move
    response = st.session_state.chat.send_message(player_move)
    computer_move = response.text
    
    # Display player and computer moves
    col1, col2 = st.columns(2)
    with col1:
        st.write("Your move:")
        st.subheader("{}: {}".format(player_move, moveEmojis[player_move]))
    with col2:
        st.write("Computer's move:")
        st.subheader("{}: {}".format(computer_move, moveEmojis[computer_move]))
    
    # Display result
    result = determine_winner(player_move, computer_move)
    st.write("Result:")
    st.subheader(result)

    if st.session_state.count == 3:
        st.session_state.count = 0
        if st.session_state.computerWin > st.session_state.playerWin:
            st.write("Best of Three result: Sorry You lose!")
        else:
            st.write("Best of Three result: Yayy you win !")
        st.session_state.computerWin = 0
        st.session_state.playerWin = 0