'use strict';

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

const { _private } = require('../src/services/mkhBomService');

test('business MKH BOM rows are grouped for drill-down and match codes without separators', () => {
  const bom = _private.groupBusinessBomRows([
    {
      comboSkuId: 'MKH-DNY004624N1015V01-1-DNZ038569N1280V01-1',
      componentSkuId: 'DNY004624N1015V01',
      componentName: '配件 A',
      qty: 1,
    },
    {
      comboSkuId: 'MKH-DNY004624N1015V01-1-DNZ038569N1280V01-1',
      componentSkuId: 'DNZ038569N1280V01',
      componentName: '配件 B',
      qty: 2,
    },
  ]);

  const matched = _private.matchComponents(
    bom,
    'MKHDNY004624N1015V011DNZ038569N1280V011'
  );

  assert.equal(bom.entries.length, 1);
  assert.equal(matched.matchType, 'sku');
  assert.deepEqual(
    matched.components.map((item) => [item.barcode, item.name, item.qty]),
    [
      ['DNY004624N1015V01', '配件 A', 1],
      ['DNZ038569N1280V01', '配件 B', 2],
    ]
  );
});

test('duplicate business BOM component rows are consolidated without losing quantity', () => {
  const bom = _private.groupBusinessBomRows([
    { comboSkuId: 'MKH-A-1', componentSkuId: 'PART-1', qty: 1 },
    { comboSkuId: 'MKH-A-1', componentSkuId: 'PART-1', qty: 2 },
  ]);

  const matched = _private.matchComponents(bom, 'MKHA1');
  assert.equal(matched.components.length, 1);
  assert.equal(matched.components[0].qty, 3);
});

test('business BOM takes precedence while product database BOM remains a fallback', () => {
  const businessBom = _private.groupBusinessBomRows([
    { comboSkuId: 'MKH-A-1', componentSkuId: 'BUSINESS-PART', qty: 1 },
  ]);
  const productBom = {
    bySku: new Map([['MKHA1', [{ barcode: 'PRODUCT-PART', qty: 1 }]]]),
    bySpuPrefix: [],
    entries: [],
  };

  const matched = _private.matchBomSources(businessBom, productBom, 'MKHA1');
  assert.equal(matched.dataSource, 'business_bom');
  assert.equal(matched.components[0].barcode, 'BUSINESS-PART');
});

test('BOM summary excludes combinations outside the designated warehouse SKU set', () => {
  const businessBom = _private.groupBusinessBomRows([
    { comboSkuId: 'MKH-A-1', componentSkuId: 'BUSINESS-PART', qty: 1 },
    { comboSkuId: 'MKH-OUTSIDE-1', componentSkuId: 'OUTSIDE-PART', qty: 1 },
  ]);
  businessBom.existingSkuKeys = new Set(['MKHA1', 'MKHB1']);
  const productBom = {
    bySku: new Map([['MKHB1', [{ barcode: 'PRODUCT-PART', qty: 1 }]]]),
    bySpuPrefix: [],
    entries: [],
  };

  assert.deepEqual(_private.summarizeConfiguredBoms(businessBom, productBom), {
    business: 1,
    product: 1,
    total: 2,
  });
});