'use strict';

const test = require('node:test');
const assert = require('node:assert/strict');
const {
  _test: {
    filterSkuRowsForSelectionContext,
    createPrefsPatch,
    getSelectionSkuCodeSet,
    normalizeCalculatorType,
    readPrefsProfile,
    sanitizeHistoryProduct,
    writePrefsProfile,
  },
} = require('../src/api/pricingCalculator');

const skuRows = [
  { skuCode: 'SKU-A' },
  { skuCode: 'SKU-B' },
  { skuCode: 'SKU-C' },
];

test('selection pricing only returns explicitly selected SKU rows', () => {
  const selectionContext = {
    skuSceneImages: { selectedSkuCodes: ['sku-a', 'SKU-C'] },
    rows: [{ skuCode: 'SKU-A' }, { skuCode: 'SKU-B' }, { skuCode: 'SKU-C' }],
  };

  assert.deepEqual(
    filterSkuRowsForSelectionContext(skuRows, selectionContext),
    [{ skuCode: 'SKU-A' }, { skuCode: 'SKU-C' }]
  );
});

test('selection pricing falls back to stored pricing rows for legacy tasks', () => {
  const selectionContext = {
    skuSceneImages: {},
    rows: [{ skuCode: 'SKU-B' }],
  };

  assert.deepEqual([...getSelectionSkuCodeSet(selectionContext)], ['SKU-B']);
  assert.deepEqual(
    filterSkuRowsForSelectionContext(skuRows, selectionContext),
    [{ skuCode: 'SKU-B' }]
  );
});

test('standalone pricing continues to return all SPU SKU rows', () => {
  assert.deepEqual(filterSkuRowsForSelectionContext(skuRows, null), skuRows);
});

test('pricing preferences keep legacy company values and isolate 1688 defaults', () => {
  const legacy = JSON.stringify({
    coupon: 30,
    activityDiscount: 0.7,
    installFee: 5,
    targetMargin: 0.15,
  });
  const withDropship = writePrefsProfile(legacy, 'alibaba1688', {
    coupon: 20,
    activityDiscount: 0.6,
    installFee: 0,
    targetMargin: 0.12,
  });

  assert.deepEqual(readPrefsProfile(withDropship, 'company'), {
    coupon: 30,
    activityDiscount: 0.7,
    installFee: 5,
    targetMargin: 0.15,
  });
  assert.deepEqual(readPrefsProfile(withDropship, 'alibaba1688'), {
    coupon: 20,
    activityDiscount: 0.6,
    installFee: 0,
    targetMargin: 0.12,
  });

  const updatedCompany = writePrefsProfile(withDropship, 'company', { targetMargin: 0.18 });
  assert.equal(readPrefsProfile(updatedCompany, 'company').targetMargin, 0.18);
  assert.equal(readPrefsProfile(updatedCompany, 'alibaba1688').targetMargin, 0.12);
  assert.deepEqual(createPrefsPatch('company', { targetMargin: 0.15 }), { targetMargin: 0.15 });
  assert.deepEqual(createPrefsPatch('alibaba1688', { targetMargin: 0.12 }), {
    _profiles: { alibaba1688: { targetMargin: 0.12 } },
  });
});

test('1688 history product keeps bounded identity and specification dimensions', () => {
  assert.equal(normalizeCalculatorType('alibaba1688'), 'alibaba1688');
  assert.equal(normalizeCalculatorType('unknown'), 'company');
  assert.deepEqual(sanitizeHistoryProduct({
    productId: ' 1073252781818 ',
    title: ' 测试商品 ',
    skuDimensions: [
      { name: '颜色', values: ['原木色', '胡桃色'] },
      { name: '尺寸', values: ['60cm'] },
    ],
  }), {
    productId: '1073252781818',
    title: '测试商品',
    mainImage: '',
    sourceUrl: '',
    storeName: '',
    category: '',
    skuDimensions: [
      { name: '颜色', values: ['原木色', '胡桃色'] },
      { name: '尺寸', values: ['60cm'] },
    ],
  });
});