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"""Find videos where Gemini and Qwen3-Omni both failed across mute/swap/sync.

Selection criteria (all must hold for a base video X.mp4):
  1. Gemini failed on swap version of X    -> X in swap case_study_explicit.jsonl
  2. Gemini failed on muted version of X   -> X in gemini mute jsonl with correct=false
  3. Qwen failed on muted version of X     -> X in qwen mute jsonl with correct=false
  4. Qwen failed on swap version of X      -> X in qwen swap jsonl with correct=false
  5. Qwen failed on >=1 sync intervention  -> X_delay_*.mp4 / X_early_*.mp4 wrong
                                              (gt_synced=False but pred_synced=True,
                                               OR pred_direction != gt_direction)
"""

import json
import re
from pathlib import Path

GEMINI_SWAP_CASE  = "/home/ubuntu/eval_results/gemini_mute_sync_swap/swap/swap_gemini_gemini-3.1-pro-preview__promptDirect/case_study_explicit.jsonl"
GEMINI_MUTE       = "/home/ubuntu/eval_results/gemini_mute_sync_swap/mute/mute_gemini_gemini-3.1-pro-preview__promptDirect/eval_results.jsonl"
QWEN_MUTE         = "/home/ubuntu/eval_results/mute/mute_qwen3omni_vanilla_promptDirect/eval_results.jsonl"
QWEN_SWAP         = "/home/ubuntu/eval_results/swap/swap_Qwen_Qwen3-Omni-30B-A3B-Instruct_promptDirect/eval_results.jsonl"
QWEN_SYNC         = "/home/ubuntu/eval_results/sync/sync_qwen3omni_vanilla/eval_results.jsonl"

# Strip `_delay_2.39s` or `_early_1.95s` right before .mp4 to recover the base name.
SYNC_SUFFIX_RE = re.compile(r"_(delay|early)_\d+(?:\.\d+)?s(?=\.mp4$)")


def base_of(video_name: str) -> str:
    return SYNC_SUFFIX_RE.sub("", video_name)


def load_jsonl(path: str):
    with open(path) as f:
        for line in f:
            line = line.strip()
            if line:
                yield json.loads(line)


def sync_is_wrong(row: dict) -> bool:
    """Qwen sync correctness: pred must match gt_synced AND (when not synced) direction."""
    gt_synced = bool(row.get("gt_synced"))
    pred_synced = bool(row.get("pred_synced"))
    if gt_synced != pred_synced:
        return True
    if not gt_synced and row.get("pred_direction") != row.get("gt_direction"):
        return True
    return False


def main():
    # 1. Gemini swap: every row in case_study_explicit is by construction a Gemini failure.
    gemini_swap_wrong = {row["video"] for row in load_jsonl(GEMINI_SWAP_CASE)}

    # 2-4. Mute & swap with explicit `correct` field.
    gemini_mute_wrong = {r["video"] for r in load_jsonl(GEMINI_MUTE) if not r.get("correct", True)}
    qwen_mute_wrong   = {r["video"] for r in load_jsonl(QWEN_MUTE)   if not r.get("correct", True)}
    qwen_swap_wrong   = {r["video"] for r in load_jsonl(QWEN_SWAP)   if not r.get("correct", True)}

    # 5. Qwen sync: collect, per base video, which delay/early variants were wrong.
    qwen_sync_variants = {}
    for r in load_jsonl(QWEN_SYNC):
        v = r["video"]
        base = base_of(v)
        if v == base:
            continue  # skip the synced original; we want intervention failures
        if sync_is_wrong(r):
            qwen_sync_variants.setdefault(base, []).append({
                "variant": v,
                "gt": (r.get("gt_direction"), r.get("gt_offset_sec")),
                "pred_synced": r.get("pred_synced"),
                "pred": (r.get("pred_direction"), r.get("pred_offset_sec")),
            })
    qwen_sync_intervention_wrong = set(qwen_sync_variants.keys())

    # Intersection.
    candidates = (
        gemini_swap_wrong
        & gemini_mute_wrong
        & qwen_mute_wrong
        & qwen_swap_wrong
        & qwen_sync_intervention_wrong
    )

    print(f"Per-source wrong sets:")
    print(f"  gemini swap (case_study)      : {len(gemini_swap_wrong)}")
    print(f"  gemini mute (correct=false)   : {len(gemini_mute_wrong)}")
    print(f"  qwen   mute (correct=false)   : {len(qwen_mute_wrong)}")
    print(f"  qwen   swap (correct=false)   : {len(qwen_swap_wrong)}")
    print(f"  qwen   sync (>=1 wrong inter.): {len(qwen_sync_intervention_wrong)}")
    print(f"\nFull intersection (5/5): {len(candidates)} videos")
    print("=" * 60)

    # Pre-index swap rows so we can show what "swap audio" was used.
    gemini_swap_rows = {r["video"]: r for r in load_jsonl(GEMINI_SWAP_CASE)}
    qwen_swap_rows   = {r["video"]: r for r in load_jsonl(QWEN_SWAP)
                        if not r.get("correct", True)}

    out_path = Path("/home/ubuntu/case_study_candidates.jsonl")
    records = []
    for v in sorted(candidates):
        gs = gemini_swap_rows.get(v, {})
        qs = qwen_swap_rows.get(v, {})
        rec = {
            "video": v,
            "gemini_swap_audio_from": gs.get("swapped_from"),
            "qwen_swap_audio_from":   qs.get("swapped_from"),
            "qwen_sync_failures":     qwen_sync_variants[v],
        }
        records.append(rec)
        print(f"\nVIDEO: {v}")
        print(f"  swap audio source (gemini view) : {rec['gemini_swap_audio_from']}")
        print(f"  swap audio source (qwen   view) : {rec['qwen_swap_audio_from']}")
        print(f"  qwen sync intervention failures :")
        for hit in qwen_sync_variants[v]:
            print(f"    - {hit['variant']}")
            print(f"        gt={hit['gt']}  pred_synced={hit['pred_synced']}  pred={hit['pred']}")

    with open(out_path, "w") as f:
        for rec in records:
            f.write(json.dumps(rec, ensure_ascii=False) + "\n")
    print(f"\n[saved] {len(records)} candidates -> {out_path}")

    # Diagnostic: if intersection is empty, show the largest reachable subset.
    if not candidates:
        print("\nNo full intersection. Pairwise overlap diagnostic:")
        sets = {
            "gemini_swap": gemini_swap_wrong,
            "gemini_mute": gemini_mute_wrong,
            "qwen_mute":   qwen_mute_wrong,
            "qwen_swap":   qwen_swap_wrong,
            "qwen_sync":   qwen_sync_intervention_wrong,
        }
        names = list(sets)
        for i, a in enumerate(names):
            for b in names[i+1:]:
                print(f"  {a} & {b}: {len(sets[a] & sets[b])}")


if __name__ == "__main__":
    main()