app.py

import streamlit as st
import streamlit_ace as st_ace
from utils import execute_code
from chatbot import render_chatbot
from styles import get_theme_colors, inject_global_css
from layout import init_session_state

# Page configuration
st.set_page_config(page_title="Pro Code Playground", page_icon="💻", layout="wide")

# Session init
init_session_state()

# Dark mode toggle
dm = st.checkbox("🌙 Dark mode", value=st.session_state.dark_mode)
st.session_state.dark_mode = dm

# Theme + CSS injection
colors = get_theme_colors(dm)
inject_global_css(colors)

# Header
st.title("Pro Code Playground")
st.markdown("Write, execute & export Python snippets, with built‑in AI assistance.")

# Layout
gen, bot = st.columns((2, 1), gap="large")

with gen:
    st.subheader("Editor")
    
    code = st_ace.st_ace(
        value=st.session_state.code,
        placeholder="Start typing your Python code…",
        language="python",
        theme=colors["ACE_THEME"],
        keybinding="vscode",
        font_size=14,
        min_lines=20,
        show_gutter=True,
        wrap=True,
        auto_update=True,
        key="editor_code"
    )
    if code != st.session_state.code:
        st.session_state.code = code

    user_input = st.text_area(
        "📥 Input (stdin)",
        value=st.session_state.stdin,
        placeholder="Enter input() values here, one per line",
        height=100,
        key="stdin_input"
    )
    if user_input != st.session_state.stdin:
        st.session_state.stdin = user_input

    if st.button("▶️ Run"):
        out, err, exc = execute_code(st.session_state.code, st.session_state.stdin)
        st.session_state.code_output = out
        st.session_state.error_output = err or exc

    if st.session_state.get("code_output"):
        st.text_area("Output", st.session_state.code_output, height=120)

    if st.session_state.get("error_output"):
        st.error(st.session_state.error_output)

with bot:
    st.subheader("Code Assistant")
    render_chatbot(
        st.session_state.code,
        st.session_state.get("code_output", ""),
        st.session_state.get("error_output", "")
    )

# Footer
st.markdown(f"""
<div style='text-align:center; margin-top:1rem; color:{colors["TEXT"]}66;'>
  Built with ❤️ & Streamlit by Vaibhav
</div>
""", unsafe_allow_html=True)