import assert from "node:assert/strict";
import test from "node:test";
import { callExecLua, formatFailure, startBridge, startCraftos, waitForComputers } from "./harness.js";

test("exec-lua runs code through the real TrapOS mcp-computer program", async () => {
  const bridge = await startBridge();
  const craftos = startCraftos("/programs/mcp-computer.lua", {
    mountRepo: true,
    shellArgs: [bridge.linkUrl],
    timeoutMs: 15_000,
  });
  try {
    await waitForComputers(bridge.registry, 1, 12_000);
    const text = await callExecLua(bridge.mcpUrl, 0, "print('hello from exec'); return 2 + 3");
    assert.match(text, /^computer: 0 \(Label: null\)\nok: true\nreturns: \[\{.*\}\]\noutput:\nhello from exec$/);
    assert.match(text, /"type":"number"/);
    assert.match(text, /"value":5/);
  } catch (error) {
    craftos.abort();
    const result = await craftos.done;
    throw new Error(formatFailure(error instanceof Error ? error.message : String(error), result.output), { cause: error });
  } finally {
    craftos.abort();
    await craftos.done;
    await bridge.close();
  }
});