#!/usr/bin/env python3
"""ABLAQ Studios: check release fixity and exact regenerated scientific outputs.
Python 3.10+, standard library. CC0-1.0.
python3 -B verify-radiative.v1.py --release . --reproduced reproduced
"""
import argparse,hashlib,json
from pathlib import Path
ap=argparse.ArgumentParser(description=__doc__)
ap.add_argument('--release',type=Path,default=Path('.'))
ap.add_argument('--reproduced',type=Path,required=True)
a=ap.parse_args()
manifest=json.loads((a.release/'radiative-manifest.v1.json').read_text())
checked=[]
for name,expected in manifest['files'].items():
    original=(a.release/name).read_bytes()
    assert len(original)==expected['bytes'] and hashlib.sha256(original).hexdigest()==expected['sha256'], 'Release mismatch: '+name
    if not name.endswith('.py'):
        assert original==(a.reproduced/name).read_bytes(), 'Reproduction mismatch: '+name
    checked.append(name)
assert (a.release/'radiative-manifest.v1.json').read_bytes()==(a.reproduced/'radiative-manifest.v1.json').read_bytes(), 'Manifest differs'
print(json.dumps({'status':'passed','release_version':manifest['version'],'files_verified':checked,'regenerated_outputs':'byte-identical'}))