"""Run the captured build gate and immediately retain its exact GUI/CLI artifacts."""
from pathlib import Path
import hashlib, json, shutil, subprocess, sys

base = Path(__file__).resolve().parent
gate = base.parent / 'text-diagnostic-gates/gate.py'
label = sys.argv[1]
out = base / (label + '-binaries')
assert not out.exists()
code = subprocess.run([sys.executable, str(gate), label, 'build', '--locked', '--offline', '--message-format=json', '-p', 'oa-desktop', '-p', 'oa-cli']).returncode
if code:
    sys.exit(code)
result_path = gate.parent / label / 'result.json'
result = json.loads(result_path.read_text(encoding='utf-8'))
assert result['exitCode'] == 0 and result['inputsUnchanged']

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

out.mkdir()
copied = []
for name in ['arcadia-studio', 'arcadia']:
    candidates = [a for a in result['artifacts'] if a['cargo']['target']['name'] == name and a['cargo']['target']['kind'] == ['bin'] and not a['cargo']['profile']['test']]
    assert len(candidates) == 1, (name, len(candidates))
    artifact = candidates[0]
    source = Path(artifact['cargo']['executable'])
    assert identity(source) == artifact['readback']
    destination = out / (name + '.exe')
    shutil.copyfile(source, destination)
    assert identity(source) == identity(destination) == artifact['readback']
    copied.append({'name':name, 'source':str(source), 'path':str(destination), **identity(destination)})
record = {'buildResult':{'path':str(result_path), **identity(result_path)}, 'sourceInputs':result['inputs'], 'helper':identity(Path(__file__)), 'binaries':copied}
(out / 'preserved.json').write_text(json.dumps(record, indent=2) + '\n', encoding='utf-8')
print(json.dumps(record, indent=2))