import {expect, test} from 'vitest';

import {first} from '@/swcx/builders.js';
import evaluate from '@/swcx/evaluate.js';

const scopeTest = test.extend({
  scope: async ({}, use) => {
    await use({
      S: {O: {}},
      get(k) { return this.S[k]; },
      set(k, v) { return this.S[k] = v; }
    });
  },
});

scopeTest('evaluates conditional expression', async ({scope}) => {
  scope.set('x', true);
  let evaluated;
  evaluated = evaluate(await first('x ? 2 : 3'), {scope});
  expect(evaluated.value)
    .to.equal(2);
  scope.set('x', false);
  evaluated = evaluate(await first('x ? 2 : 3'), {scope});
  expect(evaluated.value)
    .to.equal(3);
});

scopeTest('evaluates async conditional expression', async ({scope}) => {
  scope.set('x', true);
  let evaluated;
  evaluated = evaluate(await first('(await x) ? 2 : 3'), {scope});
  expect(await evaluated.async)
    .to.equal(true);
  expect(await evaluated.value)
    .to.equal(2);
  scope.set('x', false);
  evaluated = evaluate(await first('(await x) ? 2 : 3'), {scope});
  expect(await evaluated.async)
    .to.equal(true);
  expect(await evaluated.value)
    .to.equal(3);
});