"""Read-only fixture lint with a pinned existing CLI; not current-build acceptance."""
from pathlib import Path
import datetime, hashlib, json, shutil, subprocess, sys

base = Path(__file__).resolve().parent
out = base / sys.argv[1]
out.mkdir()
binary = Path('C:/Users/User/Documents/Git/ARCADIA-Studio/.local/target-gnullvm/debug/arcadia.exe')

def identity(path):
    raw = path.read_bytes()
    return {'bytes': len(raw), 'sha256': hashlib.sha256(raw).hexdigest()}

before = identity(binary)
fixture = out / 'complete-fixture'
fixture.mkdir()
shutil.copyfile(base / 'fixtures/missing-include/project.arcadia', fixture / 'project.arcadia')
shutil.copyfile(base / 'fixtures/functions-to-discover.arcadia', fixture / 'functions.arcadia')
inputs = {p.name: identity(p) for p in fixture.iterdir()}
runs = []
for label, entry in [('missing', base / 'fixtures/missing-include/project.arcadia'), ('complete', fixture / 'project.arcadia')]:
    argv = [str(binary), 'lint', str(entry), '--json']
    start = datetime.datetime.now(datetime.timezone.utc).isoformat()
    result = subprocess.run(argv, stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=out)
    (out / f'{label}.stdout.json').write_bytes(result.stdout)
    (out / f'{label}.stderr.log').write_bytes(result.stderr)
    runs.append({'label': label, 'start': start, 'argv': argv, 'exitCode': result.returncode,
                 'stdout': identity(out / f'{label}.stdout.json'), 'stderr': identity(out / f'{label}.stderr.log')})
record = {'scope': 'Provisional fixture/diagnostic preparation using identified pre-existing CLI. Source provenance not established here; no current #12 binary or native acceptance claim.',
          'helper': identity(Path(__file__)), 'binaryPath': str(binary), 'binary': before, 'binaryUnchanged': before == identity(binary),
          'inputs': inputs, 'inputsUnchanged': inputs == {p.name: identity(p) for p in fixture.iterdir()}, 'runs': runs}
(out / 'result.json').write_text(json.dumps(record, indent=2), encoding='utf-8')
print(json.dumps(record, indent=2))
sys.exit(0 if [run['exitCode'] for run in runs] == [3, 0] and record['inputsUnchanged'] and record['binaryUnchanged'] else 1)