"""Grounding DINO judge: zero-shot object detection from prompt keywords"""
import requests, json, io
from PIL import Image

GDINO_URL = "http://localhost:5051/search"
DEFAULT_UUID = "aeed71342a899fe4b4c57b7d41bcb692"

def score(frames, prompt):
    prompt_lower = prompt.lower()
    
    # Just do a single time-bounded search (not per frame)
    try:
        resp = requests.post(GDINO_URL, json={
            "file_uuid": DEFAULT_UUID,
            "text": prompt_lower,
            "limit": 3,
            "start_time": 0,
            "end_time": 0
        }, timeout=30)
        data = resp.json()
        hits = data.get("hits", [])
        n_hits = len(hits)
        best_score = max((h.get("best_score", 0) for h in hits), default=0)
        dets_found = []
        for h in hits:
            for d in h.get("detections", []):
                dets_found.append(d.get("label", ""))
        
        score_val = int(100 * min(1.0, best_score * 2))
        
        return {
            "agent": "GroundingDINO",
            "score": score_val,
            "reasoning": f"{n_hits} hits, best_score={best_score:.2f}, labels={dets_found[:3]}",
            "details": {"n_hits": n_hits, "best_score": best_score}
        }
    except Exception as e:
        return {"agent": "GroundingDINO", "score": 50, "reasoning": f"GDINO error: {str(e)[:80]}", "details": {}}