# Rewrite annotation media paths so that every path resolves relative to media/.
import json, glob, os

A = '/root/datasets/annotations'

def rewrite(path, fn, drop=None):
    d = json.load(open(path))
    n0 = len(d)
    if drop:
        d = [x for x in d if not drop(x)]
    for x in d:
        for k in ('video', 'image'):
            if k in x and x[k]:
                x[k] = [fn(v) for v in x[k]] if isinstance(x[k], list) else fn(x[k])
    tmp = path + '.tmp'
    json.dump(d, open(tmp, 'w'), ensure_ascii=False)
    os.replace(tmp, path)
    print(os.path.basename(path), n0, '->', len(d))

def add_prefix(p):
    return p if p.startswith('LLaVA178k/') else 'LLaVA178k/' + p

for f in sorted(glob.glob(f'{A}/llava_video_178k/*.json')):
    rewrite(f, add_prefix)
rewrite(f'{A}/sft/activitynetqa_15k.json', add_prefix)
rewrite(f'{A}/sft/mmdu_45k.json', lambda p: p.lstrip('/'))
rewrite(f'{A}/sft/finevideo_43k.json', lambda p: p, drop=lambda x: not x['conversations'])