#!/usr/bin/env python3
"""Example: Inspect timeline chunks in detail."""
from datasets import load_dataset

REPO = "skyzhou06/StreamingOmniDatasets"
CONFIG = "AVJointReasoning"

print(f"Loading {REPO}/{CONFIG} eval split...")
try:
    ds = load_dataset(REPO, CONFIG, split="eval", streaming=True)
    sample = next(iter(ds))
    print(f"Row id: {sample.get('id')}")
    print(f"Question: {sample.get('question')}")
    print(f"Answer: {sample.get('answer')}")

    timeline = sample.get("timeline", [])
    print(f"\nTimeline ({len(timeline)} chunks):")
    for i, chunk in enumerate(timeline[:5]):
        print(f"\n  Chunk {i}:")
        print(f"    t_start={chunk.get('t_start')}, t_end={chunk.get('t_end')}")
        print(f"    control={chunk.get('control')}")
        asr = chunk.get('asr_delta')
        if asr:
            print(f"    asr_delta={str(asr)[:80]}")
        audio_events = chunk.get('audio_events')
        if audio_events:
            print(f"    audio_events={audio_events}")
        visual_events = chunk.get('visual_events')
        if visual_events:
            print(f"    visual_events={visual_events}")
    if len(timeline) > 5:
        print(f"\n  ... and {len(timeline)-5} more chunks")
except Exception as e:
    print(f"Config-based loading failed: {e}")
    print("Try parquet fallback as shown in load_streaming_omni_dataset.py")