#!/usr/bin/env python3
"""Check the alleged >4 KiB TLS-flight failure using real local dev binaries."""
import importlib.util
import json
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
spec = importlib.util.spec_from_file_location("objective_fixture", ROOT / "tests/test_v2_e2e.py")
fixture = importlib.util.module_from_spec(spec)
spec.loader.exec_module(fixture)


def main():
    runtime = fixture.Runtime.__new__(fixture.Runtime)
    try:
        runtime.__init__()
        runtime.ready()
        calls = []
        transport = runtime.relay._stream.transport
        original_exchange = transport.exchange

        def observed_exchange(payload=b"", *, send=True):
            calls.append({"payload_bytes": len(payload), "send": send})
            return original_exchange(payload, send=send)

        transport.exchange = observed_exchange
        path = "/" + "x" * 12000
        response = runtime.relay.get("https://fixture.example" + path)
        assert response.status_code == 200 and response.content == fixture.BODY
        assert runtime.events == [path]
        chunks = [call for call in calls if call["payload_bytes"]]
        assert len(chunks) >= 3
        assert all(not call["send"] for call in chunks[:-1])
        assert chunks[-1]["send"]
        result = {
            "passed": True,
            "request_path_bytes": len(path),
            "response_bytes": len(response.content),
            "transport_calls": calls,
            "scope": "Real Python client and dev Rust host/enclave with synthetic local TLS upstream; no production calls or Nitro claim.",
            "fixtures_retained_at": str(runtime.dir),
        }
        (runtime.dir / "objective-tls-flight-evidence.json").write_text(json.dumps(result, indent=2) + "\n")
        print(json.dumps(result, indent=2))
    finally:
        runtime.close()


if __name__ == "__main__":
    main()