#!/usr/bin/env python3
"""Inspect a sample from a downloaded copy of RememBench."""
import argparse
import json
from pathlib import Path

import numpy as np


def main():
    ap = argparse.ArgumentParser()
    ap.add_argument('--root', type=Path, default=Path(__file__).resolve().parents[1])
    ap.add_argument('--subset', choices=['t2v', 'i2v'], default='t2v')
    ap.add_argument('--index', type=int, default=0)
    args = ap.parse_args()
    rows = [json.loads(line) for line in (args.root / 'data' / args.subset / 'test.jsonl').read_text().splitlines()]
    row = rows[args.index]
    print(json.dumps(row, indent=2))
    print('Exact integer seed:', int(row['seed']))
    if args.subset == 'i2v':
        with np.load(args.root / row['trajectory_path'], allow_pickle=False) as trajectory:
            print('Camera-to-world poses:', trajectory['poses'].shape)
            print('Intrinsics [fx, fy, cx, cy]:', trajectory['intrinsics'][0])
        print('Conditioning image prepared:', (args.root / row['image_path']).is_file())


if __name__ == '__main__':
    main()