"""Subprocess protocol double, used only in a disposable test checkout. No model/network."""
import json
from pathlib import Path
import subprocess
import sys
import time

args = sys.argv[1:]
if args[0] == 'exec':
    prompt = sys.stdin.read()
    if Path('simulate-interruption').exists():
        sys.exit(17)
    if Path('simulate-timeout').exists():
        time.sleep(60)
    if '--sandbox' not in args or args[args.index('--sandbox') + 1] != 'workspace-write':
        sys.exit(18)
    checkpoint = 'work'
    Path('result.txt').write_text('subprocess worker output', encoding='utf-8')
    Path('observed-prompt.txt').write_text(prompt, encoding='utf-8')
    result = dict(outcome='complete', summary='synthetic subprocess', blockers=[], requestedApprovals=[], checkpoint=checkpoint)
    Path(args[args.index('--output-last-message') + 1]).write_text(json.dumps(result), encoding='utf-8')
    print(json.dumps(dict(type='thread.started', thread_id='synthetic-thread-id')))
    print(json.dumps(dict(type='turn.completed')))
elif args[0] == 'sandbox':
    # Remove known sandbox switches; execute the real deterministic check in the disposable repo.
    index = 1
    while args[index] in ('-C', '-c'):
        index += 2
    sys.exit(subprocess.run(args[index:], cwd=Path.cwd()).returncode)
else:
    sys.exit(19)