import hashlib
import json
from pathlib import Path
from datetime import datetime, timezone

base = Path(__file__).resolve().parent
trial = base / 'trial-diagnostic-2'
def identity(path):
    data = path.read_bytes()
    return {'bytes': len(data), 'sha256': hashlib.sha256(data).hexdigest()}

closure = json.loads((trial / 'closed.json').read_text())
assert closure['exitCode'] == 0 and closure['launchReceiptError'] is None
assert all(closure[k] for k in ['binaryUnchanged', 'preservedBinaryUnchanged', 'sameFileAfterExit', 'dllUnchanged'])
pairs = [('project.arcadia', base / 'fixtures/missing-include/project.arcadia'),
         ('functions.arcadia', base / 'fixtures/functions-to-discover.arcadia')]
files = []
for name, original in pairs:
    actual = trial / 'work-fixture' / name
    assert actual.read_bytes() == original.read_bytes(), name
    files.append({'file': name, 'actual': identity(actual), 'original': identity(original), 'exactEqual': True})
observations = []
for path in sorted((trial / 'screenshots').glob('*.json')):
    item = json.loads(path.read_text())
    shots = []
    for shot in item['screenshots']:
        p = path.parent / shot['file']
        shots.append({'file': shot['file'], **identity(p)})
    observations.append({'file': path.name, **identity(path), 'screenshots': shots})
assert len(observations) == 49
result = {'atUtc': datetime.now(timezone.utc).isoformat(), 'helper': identity(Path(__file__)),
          'closure': identity(trial / 'closed.json'), 'files': files,
          'observations': observations, 'noSaveOrApplyDuringTrial': 'Parent action record; not inferred from disk equality',
          'scope': 'Post-exit exact disk fixtures and evidence membership. No transient model-state equality claim.'}
out = trial / 'post-exit-verification.json'
with out.open('x', encoding='utf-8') as f:
    json.dump(result, f, indent=2)
    f.write('\n')
print(json.dumps({'result': identity(out), 'observations':len(observations), 'screenshots':sum(len(x['screenshots']) for x in observations), 'filesExact': True}))