import assert from "node:assert/strict";
import fs from "node:fs";
import path from "node:path";
import test from "node:test";
import ts from "typescript";

const repoRoot = path.resolve(import.meta.dirname, "../../..");
const sourcePath = path.join(repoRoot, "web/protocol/worker-fault.ts");
const transpiled = ts.transpileModule(fs.readFileSync(sourcePath, "utf8"), {
  compilerOptions: { module: ts.ModuleKind.ES2022, target: ts.ScriptTarget.ES2022 },
  fileName: sourcePath,
  reportDiagnostics: true,
});
assert.deepEqual(transpiled.diagnostics, []);
const moduleUrl = "data:text/javascript;base64," + Buffer.from(transpiled.outputText).toString("base64");
const { createWorkerFault } = await import(moduleUrl);

test("M7-08 maps engine and storage crashes to one recoverable fault contract", () => {
  assert.deepEqual(createWorkerFault("engine", "engine crashed"), {
    source: "engine",
    error: {
      code: "WORKER_TERMINATED",
      severity: "error",
      message: "engine crashed",
      recoverable: true,
      cause: "engine-worker-fault",
    },
  });
  assert.deepEqual(createWorkerFault("storage", "storage crashed"), {
    source: "storage",
    error: {
      code: "WORKER_TERMINATED",
      severity: "error",
      message: "storage crashed",
      recoverable: true,
      cause: "storage-worker-fault",
    },
  });
});