app.py

from __future__ import annotations

import streamlit as st

from state import ensure_state
from ui.sidebar import render_sidebar
from ui.tournament import render_tournament
from ui.prediction import render_prediction_and_whatif
from ui.diagnostics import render_diagnostics


def main() -> None:
    st.set_page_config(page_title="AutoML Model Tournament", layout="wide")
    ensure_state()
    app = st.session_state["app"]

    st.title("🏆 AutoML Model Tournament")
    st.caption("Modular build with prediction uncertainty bands (regression) and confidence (classification).")

    render_sidebar(app)
    if app["data"]["df"] is None:
        st.stop()

    render_tournament(app)

    if app["tournament"].get("best_model") is not None:
        render_prediction_and_whatif(app)
        render_diagnostics(df=app['data']['df'], app=app)


if __name__ == "__main__":
    main()