const fs = require("node:fs");
const path = require("node:path");
const assert = require("node:assert/strict");

const root = path.resolve(__dirname, "..");
const modulePath = path.join(root, "utils", "discard-confirmation.js");

const loadModule = async () => {
  const source = fs.readFileSync(modulePath, "utf8");
  return import(`data:text/javascript;base64,${Buffer.from(source).toString("base64")}`);
};

const run = async () => {
  const { createDiscardConfirmation } = await loadModule();
  const visibility = [];
  const controller = createDiscardConfirmation((visible) => {
    visibility.push(visible);
  });

  const first = controller.request();
  const repeated = controller.request();
  assert.strictEqual(repeated, first, "重复请求必须复用同一个等待 Promise");
  assert.deepEqual(visibility, [true], "重复请求不得重复打开确认框");
  controller.cancel();
  assert.equal(await first, false, "取消必须让等待者得到 false");
  assert.deepEqual(visibility, [true, false], "取消必须关闭确认框");

  const confirmed = controller.request();
  controller.confirm();
  assert.equal(await confirmed, true, "确认必须让等待者得到 true");

  const disposed = controller.request();
  controller.dispose();
  assert.equal(await disposed, false, "页面卸载必须释放等待者并返回 false");

  const afterDispose = controller.request();
  assert.notStrictEqual(afterDispose, disposed, "释放后必须能建立新的确认周期");
  controller.cancel();
  assert.equal(await afterDispose, false);

  assert.throws(
    () => createDiscardConfirmation(null),
    /setVisible 必须是函数/,
    "必须拒绝无法同步可见状态的消费者",
  );
  console.log("DISCARD-CONFIRMATION-RUNTIME-SMOKE PASS");
};

run().catch((error) => {
  console.error(error);
  process.exitCode = 1;
});