import streamlit as st
import random

# -----------------------------
# Page Configuration
# -----------------------------
st.set_page_config(
    page_title="Rock Paper Scissors Game",
    page_icon="🎮",
    layout="centered"
)

# -----------------------------
# Session State for Scores
# -----------------------------
if "user_score" not in st.session_state:
    st.session_state.user_score = 0

if "computer_score" not in st.session_state:
    st.session_state.computer_score = 0

if "draws" not in st.session_state:
    st.session_state.draws = 0

# -----------------------------
# Title
# -----------------------------
st.title("🎮 Rock Paper Scissors Game")

st.write("Play against the computer!")

# -----------------------------
# User Choice
# -----------------------------
choices = ["Rock", "Paper", "Scissors"]

user_choice = st.selectbox(
    "Choose your move:",
    choices
)

# -----------------------------
# Play Button
# -----------------------------
if st.button("Play"):

    computer_choice = random.choice(choices)

    st.subheader("Results")

    st.write(f"🧑 Your Choice: **{user_choice}**")
    st.write(f"💻 Computer Choice: **{computer_choice}**")

    # -----------------------------
    # Game Logic
    # -----------------------------
    if user_choice == computer_choice:
        result = "It's a Draw!"
        st.session_state.draws += 1

    elif (
        (user_choice == "Rock" and computer_choice == "Scissors")
        or
        (user_choice == "Paper" and computer_choice == "Rock")
        or
        (user_choice == "Scissors" and computer_choice == "Paper")
    ):
        result = "🎉 You Win!"
        st.session_state.user_score += 1

    else:
        result = "😢 Computer Wins!"
        st.session_state.computer_score += 1

    st.success(result)

# -----------------------------
# Score Board
# -----------------------------
st.markdown("---")
st.subheader("🏆 Score Board")

col1, col2, col3 = st.columns(3)

with col1:
    st.metric("🧑 You", st.session_state.user_score)

with col2:
    st.metric("💻 Computer", st.session_state.computer_score)

with col3:
    st.metric("🤝 Draws", st.session_state.draws)

# -----------------------------
# Reset Button
# -----------------------------
if st.button("Reset Scores"):
    st.session_state.user_score = 0
    st.session_state.computer_score = 0
    st.session_state.draws = 0

    st.success("Scores Reset Successfully!")