import assert from 'node:assert/strict';
import { mkdtempSync, rmSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import LibDashStore from '../src/index.js';
import { BetterSqlite3Provider } from '../src/providers/sqlite3/index.js';

async function run() {
  console.log('--- Testing POS father/child variants and options ---');

  const tempDir = mkdtempSync(join(tmpdir(), 'test-variants-'));
  const dbFile = join(tempDir, 'test.db');
  const storageDir = join(tempDir, 'storage');

  const provider = new BetterSqlite3Provider({
    filename: dbFile,
    storageDir,
  });

  await provider.initialize();
  const store = await new LibDashStore(provider);

  try {
    const googleAuthId = await store.google_auth.add('tester@example.com');
    const company = await store.company.create({
      name: 'Variant Corp',
      iso639: 'de',
      taxrate: 19,
      reducedtaxrate: 7,
      googleAuthId,
    });
    await store.google_auth.setSelectedCompany(googleAuthId, company.id);

    // 1. Create a category
    const cat = await store.category.createUnderParent({
      googleAuthId,
      parentId: company.rootCategoryId,
      name: 'Kleidung',
    });

    // 2. Create terminal and enable category
    const terminal = await store.posterminal.upsert(googleAuthId, {
      name: 'POS 1',
      pairingpin: '1234',
    });
    await store.posterminal.pair(terminal.id, {
      token: 'pos-token-xyz',
      clientserial: 'SN-001',
      pairedAt: new Date().toISOString(),
    });
    await store.posterminal.setOn(googleAuthId, terminal.id, cat.id);

    // 3. Create attribute name "Farbe"
    const attrName = await store.attributename.create(googleAuthId, {
      name: 'Farbe',
      sort: 1,
      exclusive: true,
    });

    // 4. Create base article and convert to parent
    const tShirt = await store.article.createUnderParent({
      googleAuthId,
      parentId: cat.id,
      name: 'T-Shirt Basic',
      sku: 'TSHIRT',
    });
    await store.article.toggleParent(googleAuthId, tShirt.sku, {
      isParent: true,
      attributeNameId: attrName.id,
    });

    // 5. Add children "Rot" and "Blau"
    console.log('Adding children "Rot" and "Blau"...');
    const childRot = await store.article.addChild(googleAuthId, tShirt.sku, {
      value: 'Rot',
      name: 'T-Shirt Basic - Rot',
    });
    const childBlau = await store.article.addChild(googleAuthId, tShirt.sku, {
      value: 'Blau',
      name: 'T-Shirt Basic - Blau',
    });

    // 6. Query POS products
    let prods = await store.posterminal.getProductList({ posterminalId: terminal.id });
    let parentProd = prods.find((p) => p.sku === 'TSHIRT');
    let rotProd = prods.find((p) => p.sku === childRot.article.sku);
    let blauProd = prods.find((p) => p.sku === childBlau.article.sku);

    console.log('Parent product:', {
      sku: parentProd.sku,
      is_parent: parentProd.is_parent,
      parent: parentProd.parent,
      variants: parentProd.variants,
      options: parentProd.options,
    });

    assert.equal(parentProd.is_parent, '1');
    assert.equal(parentProd.parent, '0');
    assert.equal(parentProd.variants, '');
    assert.deepEqual(parentProd.options, [{ name: 'Farbe', value: 'Rot,Blau' }]);

    console.log('Child Rot:', {
      sku: rotProd.sku,
      is_parent: rotProd.is_parent,
      parent: rotProd.parent,
      variants: rotProd.variants,
      sort: rotProd.sort,
      options: rotProd.options,
    });

    assert.equal(rotProd.is_parent, '0');
    assert.equal(rotProd.parent, String(parentProd._id));
    assert.equal(rotProd.variants, 'Rot');
    assert.equal(rotProd.sort, '0');
    assert.equal(rotProd.options, null);

    console.log('Child Blau:', {
      sku: blauProd.sku,
      is_parent: blauProd.is_parent,
      parent: blauProd.parent,
      variants: blauProd.variants,
      sort: blauProd.sort,
      options: blauProd.options,
    });

    assert.equal(blauProd.is_parent, '0');
    assert.equal(blauProd.parent, String(parentProd._id));
    assert.equal(blauProd.variants, 'Blau');
    assert.equal(blauProd.sort, '1');
    assert.equal(blauProd.options, null);

    // 7. Add third child "Grün" and verify options list update
    console.log('Adding third child "Grün"...');
    const childGruen = await store.article.addChild(googleAuthId, tShirt.sku, {
      value: 'Grün',
      name: 'T-Shirt Basic - Grün',
    });

    prods = await store.posterminal.getProductList({ posterminalId: terminal.id });
    parentProd = prods.find((p) => p.sku === 'TSHIRT');
    assert.deepEqual(parentProd.options, [{ name: 'Farbe', value: 'Rot,Blau,Grün' }]);
    console.log('Updated parent options:', parentProd.options);

    // 8. Remove child "Blau" and verify options list update
    console.log('Removing child "Blau"...');
    await store.article.removeChild(googleAuthId, tShirt.sku, childBlau.article.sku, { deleteArticle: true });

    prods = await store.posterminal.getProductList({ posterminalId: terminal.id });
    parentProd = prods.find((p) => p.sku === 'TSHIRT');
    assert.deepEqual(parentProd.options, [{ name: 'Farbe', value: 'Rot,Grün' }]);
    console.log('Parent options after removal:', parentProd.options);

    console.log('✅ ALL FATHER/CHILD VARIANT TESTS PASSED');
  } finally {
    try {
      rmSync(tempDir, { recursive: true, force: true });
    } catch {}
  }
}

run().catch((err) => {
  console.error('Test failed:', err);
  process.exit(1);
});