/** Exercise the pinned source and shipped SIGCONT handlers without starting Hermes. */
const assert = require("node:assert/strict");
const fs = require("node:fs");
const path = require("node:path");
const root = process.env.HERMES_SOURCE_ROOT || "/opt/hermes";

const handlers = [
  ["ui-tui/packages/hermes-ink/src/ink/ink.tsx", /^  private handleResume = \(\) => \{[\s\S]*?^  }/m],
  ["ui-tui/dist/entry.js", /^      handleResume = \(\) => \{[\s\S]*?^      };/m],
];

for (const [file, pattern] of handlers) {
  const source = fs.readFileSync(path.join(root, file), "utf8");
  const match = source.match(pattern);
  assert.ok(match, `missing pinned SIGCONT handler: ${file}`);
  // Evaluate only the reviewed handler, with renderer effects replaced by spies.
  const Renderer = new Function(`return class { ${match[0].replace("private ", "")} }`)();
  for (const [isTTY, isPaused, expected] of [
    [true, false, 1],
    [true, true, 0],
    [false, false, 0],
  ]) {
    const renderer = new Renderer();
    let repaints = 0;
    renderer.options = { stdout: { isTTY } };
    renderer.isPaused = isPaused;
    renderer.altScreenActive = true;
    renderer.reenterAltScreen = () => { repaints++; };
    renderer.handleResume();
    assert.equal(repaints, expected, `${file}: TTY=${isTTY}, paused=${isPaused}`);
  }
}
console.log("dashboard SIGCONT source and shipped handlers passed");