"""Reproduce CalibForge v3 incremental tasks and remaining-unsolved archive.
Requires huggingface_hub and pyarrow. Does not rerun evaluation.
"""
import argparse,hashlib,json
from pathlib import Path
import pyarrow as pa,pyarrow.parquet as pq
from huggingface_hub import hf_hub_download

def build(out):
 s=json.loads((Path(__file__).parent/'metadata/selection.json').read_text())
 p=hf_hub_download('FWeindel/validated-tasks',s['source_folder']+'/tasks.parquet',repo_type='dataset',revision=s['source_revision'])
 assert hashlib.sha256(Path(p).read_bytes()).hexdigest()==s['source_sha256']
 t=pq.read_table(p,columns=['path','task_binary','content_sha256']);t=t.filter(pa.array([x in s['tasks'] for x in t['path'].to_pylist()]));ids=t['path'].to_pylist()
 for x,h in zip(ids,t['content_sha256'].to_pylist()):assert h==s['tasks'][x]['content_sha256']
 for c,typ in [('qwen38_successes',pa.int64()),('qwen38_attempts',pa.int64()),('kept_from_v2',pa.bool_())]:t=t.append_column(c,pa.array([s['tasks'][x][c] for x in ids],type=typ))
 out.mkdir(parents=True,exist_ok=True)
 for name,keep in [('tasks.parquet',True),('archive.parquet',False)]:
  a=t.filter(pa.array([s['tasks'][x]['kept']==keep for x in ids]));chosen=set(a['path'].to_pylist());m=dict(a.schema.metadata or {})
  if b'ot.images.v1' in m:
   im=json.loads(m[b'ot.images.v1']);im['tasks']={k:v for k,v in im['tasks'].items() if k in chosen};used={e['bundle'] for v in im['tasks'].values() for e in v['environments']};im['bundles']={k:v for k,v in im['bundles'].items() if k in used};im['coverage']={'cached_tasks':len(im['tasks']),'total_tasks':len(chosen)}
   if 'uncached_task_ids' in im:im['uncached_task_ids']=sorted(chosen-set(im['tasks']))
   m[b'ot.images.v1']=json.dumps(im).encode()
  m[b'ot.release.v3']=json.dumps({'layout':'incremental','kept':len(chosen),'baseline_folder':'calibforge_v2','baseline_revision':'a8acfde13cc1be1672da3d17ee70bc4d842b4c19'}).encode()
  pq.write_table(a.replace_schema_metadata(m),out/name,compression='zstd')
if __name__=='__main__':
 p=argparse.ArgumentParser();p.add_argument('--out',type=Path,required=True);a=p.parse_args();build(a.out)