#!/usr/bin/env node
import crypto from "node:crypto";
import fs from "node:fs";
import path from "node:path";
import { spawnSync } from "node:child_process";
import { fileURLToPath } from "node:url";

const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..");
const smoke = path.join(root, "freecad-source/src/WebAssembly/FreeCADCoreProbe/python-runtime-smoke.js");
const build = path.join(root, "freecad-source/build-web/configure/bin");
const run = spawnSync(process.execPath, [smoke, build], { cwd: root, encoding: "utf8" });
const output = (run.stdout ?? "").trim().split("\n").filter(Boolean).at(-1) ?? "";
const details = output ? JSON.parse(output) : null;
const result = details?.ready?.ready === 1
  && details.success?.value === "42"
  && details.facade?.run === 1
  && details.facade?.value.includes("'type': 'Part::Box'")
  && details.failure?.error === "ZeroDivisionError: division by zero"
  && details.reset?.type === "reset"
  && details.timeout === "worker request timeout"
  && details.replacement?.ready === 1
  && run.status === 0;
const report = {
  schema: "freecad-web-p6-python-api-substrate-gate/v1",
  taskId: "FW-P6-FPA-F0",
  result: result ? "pass" : "fail",
  contracts: {
    pythonWorkerReady: details?.ready ?? null,
    valueConversion: details?.success ?? null,
    nativeFacade: details?.facade ?? null,
    structuredException: details?.failure ?? null,
    reset: details?.reset ?? null,
    timeoutTermination: details?.timeout ?? null,
    workerReplacement: details?.replacement ?? null,
  },
  source: { smoke: "freecad-source/src/WebAssembly/FreeCADCoreProbe/python-runtime-smoke.js", build: "freecad-source/build-web/configure/bin/FreeCADWebPythonProbe.js", smokeSha256: crypto.createHash("sha256").update(fs.readFileSync(smoke)).digest("hex") },
  protocol: { envelope: "freecad-web-core/v1", execution: "real Python/WASM", arbitraryNativePointers: false, resourceBoundary: "terminate and replace Worker" },
  boundaries: ["F0 closes the reusable Python/WASM substrate behavior, not any module's full API inventory.", "Python API records remain planned until their own native family evidence and disposition are generated."],
};
const docs = path.join(root, "docs/p6");
fs.writeFileSync(path.join(docs, "python-api-substrate-gate.json"), `${JSON.stringify(report, null, 2)}\n`);
fs.writeFileSync(path.join(root, "docs/freecad-p6-python-api-substrate-gate.log"), `${JSON.stringify({ result: report.result, exitCode: run.status, timeout: details?.timeout, exception: details?.failure?.error })}\n`);
console.log(JSON.stringify({ result: report.result, exitCode: run.status, timeout: details?.timeout }));
if (!result) process.exitCode = 1;