const assert = require('node:assert/strict');
const test = require('node:test');

const {
  resolveQualityRefundSignal,
  resolveQualityRefundStage,
} = require('../src/services/productQualitySignal');

test('quality refund stages map to the PDD peer ranking labels', () => {
  assert.deepEqual(resolveQualityRefundStage(1), {
    stage: 1,
    label: '处于同行后10%',
    status: 'red',
    severity: 3,
  });
  assert.equal(resolveQualityRefundStage(2).status, 'yellow');
  assert.equal(resolveQualityRefundStage(3).status, 'green');
  assert.equal(resolveQualityRefundStage(4).status, 'green');
  assert.equal(resolveQualityRefundStage(null), null);
});

test('quality refund signal only uses the main category rank', () => {
  const yellow = resolveQualityRefundSignal(1, 2);
  assert.equal(yellow.status, 'yellow');
  assert.equal(yellow.mainCategoryLabel, '处于同行后30%');
  assert.match(yellow.reason, /主营类目处于同行后30%/);

  const red = resolveQualityRefundSignal(4, 1);
  assert.equal(red.status, 'red');
  assert.match(red.reason, /显示红灯/);

  assert.equal(resolveQualityRefundSignal(1, 4).status, 'green');
  assert.equal(resolveQualityRefundSignal(1, null).status, '');
  assert.equal(resolveQualityRefundSignal(null, null).status, '');
});