app.py

from agents import Runner
import gradio as gr
from dotenv import load_dotenv

from reviewer_agent import reviewer
from defender_agent import defender
from judge_agent import judge

load_dotenv(override=True)


async def run_review(code: str):

    if not code.strip():
        yield "Please paste some code."
        return

    # Start log
    yield "Running AI agents..."

    # Reviewer
    review_result = await Runner.run(
        reviewer,
        f"Review this code:\n\n{code}"
    )
    review = review_result.final_output

    # Defender
    defense_result = await Runner.run(
        defender,
        f"Code:{code}. Reviewer feedback: {review}. Respond to the reviewer."
    )
    defense = defense_result.final_output

    # Judge
    judge_result = await Runner.run(
        judge,
        f"Code: {code} Review: {review} Defense: {defense} Evaluate the debate and give a final verdict."
    )
    verdict = judge_result.final_output

    # Final result
    yield f"""
# AI Code Review Arena

## Reviewer
{review}

---

## Defender
{defense}

---

## Judge Verdict
{verdict}
"""


demo = gr.Interface(
    fn=run_review,
    inputs=gr.Textbox(
        lines=18,
        placeholder="Paste your code here...",
        label="Code Input"
    ),
    outputs=gr.Markdown(),
    submit_btn="Run Review",
    title="AI Code Review Arena",
    description="Three AI agents debate your code: Reviewer → Defender → Judge."
)


if __name__ == "__main__":
    demo.launch()