'use strict';

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

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

const emptyBom = () => ({ bySku: new Map(), bySpuPrefix: [], entries: [] });

test('official Jushuitan BOM rows use external component codes and consolidate duplicates', () => {
  const bom = _private.groupOfficialBomRows([
    {
      skuId: 'MKHDNZ0409260600022',
      componentSkuId: 'DNZ039804N1410V01',
      componentName: '桌面',
      qty: '1.000000',
    },
    {
      skuId: 'MKHDNZ0409260600022',
      componentSkuId: 'DNZ040928N1440V01',
      componentName: 'K脚架',
      qty: '1.000000',
    },
    {
      skuId: 'MKHDNZ0409260600022',
      componentSkuId: 'DNZ040928N1440V01',
      componentName: 'K脚架',
      qty: '1.000000',
    },
    {
      skuId: 'MKHDNZ0409260600022',
      componentSkuId: '   ',
      componentName: '无外部编码的内部物料',
      qty: 1,
    },
  ]);

  const matched = _private.matchComponents(bom, 'MKHDNZ0409260600022');
  assert.deepEqual(
    matched.components.map((item) => [item.barcode, item.name, item.qty]),
    [
      ['DNZ039804N1410V01', '桌面', 1],
      ['DNZ040928N1440V01', 'K脚架', 2],
    ]
  );
});

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

test('official Jushuitan BOM takes precedence over all fallback sources', () => {
  const officialBom = _private.groupOfficialBomRows([
    { skuId: 'MKH-A-1', componentSkuId: 'OFFICIAL-PART', qty: 2 },
  ]);
  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(officialBom, businessBom, productBom, 'MKHA1');
  assert.equal(matched.dataSource, 'official_bom');
  assert.equal(matched.components[0].barcode, 'OFFICIAL-PART');
  assert.equal(matched.components[0].qty, 2);
});

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: [],
  };

  const officialBom = _private.groupOfficialBomRows([
    { skuId: 'MKH-A-1', componentSkuId: 'OFFICIAL-PART', qty: 1 },
  ]);

  assert.deepEqual(_private.summarizeConfiguredBoms(officialBom, businessBom, productBom), {
    official: 1,
    business: 0,
    product: 1,
    total: 2,
  });
});

test('pack inventory locations match a BOM component and its package suffixes', () => {
  assert.equal(_private.matchesPackSku('PART-1', 'PART-1'), true);
  assert.equal(_private.matchesPackSku('PART-1', 'PART-1-10'), true);
  assert.equal(_private.matchesPackSku('PART-1', 'PART-10'), false);
});

test('pack inventory location prefers bins and falls back to positive-stock box ids', () => {
  const locations = _private.buildPackLocationMap([
    {
      skuId: 'PART-1-1', warehouseId: 1, binGroup: '成品区', bin: 'A-01', packId: 'BOX-1', qty: 2,
    },
    {
      skuId: 'PART-1-2', warehouseId: 1, binGroup: null, bin: '', packId: 'BOX-2', qty: 1,
    },
  ], ['PART-1']);

  assert.equal(locations.get('PART-1'), '仓库 1 · 成品区 / A-01、仓库 1 · 箱号 BOX-2');
});

test('components without pack inventory rows do not receive a fallback warehouse location', () => {
  const locations = _private.buildPackLocationMap([], ['PART-1']);
  assert.equal(locations.has('PART-1'), false);
});