# app.py — Streamlit UI for AutoReview AI

import streamlit as st
from main import review_pr_simple

# ── PAGE CONFIG ───────────────────────────
st.set_page_config(
    page_title="AutoReview AI",
    page_icon="🤖",
    layout="centered"
)

# ── TITLE ─────────────────────────────────
st.title("🤖 AutoReview AI")
st.markdown("*Autonomous GitHub PR Reviewer powered by LLaMA + Groq*")
st.divider()

# ── INPUT ─────────────────────────────────
pr_url = st.text_input(
    "Enter GitHub PR URL",
    placeholder="https://github.com/owner/repo/pull/123"
)

# ── BUTTON ────────────────────────────────
if st.button("🔍 Review PR", type="primary"):

    # check if URL is empty
    if not pr_url:
        st.warning("Please enter a PR URL first!")

    else:
        # show spinner while reviewing
        with st.spinner("🤖 Reviewing PR... this may take 30 seconds"):
            result = review_pr_simple(pr_url)

        # if success
        if result["success"]:
            st.success("✅ Review Complete!")
            st.divider()

            # show PR data
            st.subheader("📋 PR Summary")
            st.code(result["pr_data"][:500])

            # show analysis
            st.subheader("🔍 Code Analysis")
            st.write(result["analysis"])

            # show verdict
            st.subheader("✅ Final Verdict")
            st.write(result["verdict"])

        # if failed
        else:
            st.error(f"❌ Failed: {result['error']}")

# ── FOOTER ────────────────────────────────
st.divider()
st.caption("Built with LangChain + Groq + Streamlit")