import datetime
import hashlib
import json
import pathlib
import shutil

root = pathlib.Path('C:/git/MagnetismHeroes').resolve()
backup = root / 'artifacts/verification/VisualUpgrade/BeforeHorizonFix'
assert backup.is_relative_to(root / 'artifacts/verification/VisualUpgrade')
backup.mkdir(exist_ok=True)
sources = [root / 'artifacts/verification/Final', root / 'artifacts/verification/VisualUpgrade/FinalProduct']
paths = [path for source in sources for path in source.rglob('*') if path.is_file()]
paths += [root / 'artifacts/android/Final/MagnetismHeroes.apk', root / 'artifacts/android/MagnetismHeroes.apk']
sha = lambda path: hashlib.sha256(path.read_bytes()).hexdigest()
records = []
for source in paths:
    target = backup / source.relative_to(root)
    target.parent.mkdir(parents=True, exist_ok=True)
    expected = sha(source)
    if target.exists():
        assert sha(target) == expected, target
    else:
        shutil.copy2(source, target)
        assert sha(target) == expected, target
    records.append({'source': source.relative_to(root).as_posix(), 'copy': target.relative_to(backup).as_posix(), 'bytes': source.stat().st_size, 'sha256': expected})
result = {'status': 'PASS', 'preservedUtc': datetime.datetime.now(datetime.timezone.utc).isoformat(), 'productSourceCommit': '83182e7f3e86926bf130817d401a331829401fac', 'files': records}
(backup / 'manifest.json').write_text(json.dumps(result, indent=2) + '\n', encoding='utf-8')
print(json.dumps({'status': 'PASS', 'preservedFiles': len(records), 'preservedBytes': sum(item['bytes'] for item in records)}))