import { parseScan } from '../src/lib/barcode.ts';

const GS = '\x1D';
const RS = '\x1E';

// User's Digi-Key barcode as the scanner actually delivers it (with GS between
// fields and the RS format-envelope after `[)>`).
const digiKey = [
	'[)>',
	RS,
	'06',
	GS,
	'P2073-USB1035-GF-P-0-B-B-ND',
	GS,
	'1PUSB1035-GF-P-0-B-B',
	GS,
	'30P2073-USB1035-GF-P-0-B-B-ND',
	GS,
	'K',
	GS,
	'1K9867254010',
	GS,
	'10K1242607169',
	GS,
	'D25511',
	GS,
	'T251215-501',
	GS,
	'11K1',
	GS,
	'4LCN',
	GS,
	'Q6',
	GS,
	'11ZPICK',
	GS,
	'12Z1064967213',
	GS,
	'13Z9999992',
	GS,
	'20Z' + '0'.repeat(55)
].join('');

const cases = [
	{
		name: "Digi-Key MH10.8.2 with GS separators (qty=6)",
		raw: digiKey,
		expected: { partCode: '2073-USB1035-GF-P-0-B-B-ND', quantity: 6 }
	},
	{
		name: "same barcode but scanner stripped all separators (fallback)",
		raw: '[)>06P2073-USB1035-GF-P-0-B-B-ND1PUSB1035-GF-P-0-B-B30P2073-USB1035-GF-P-0-B-B-NDK1K9867254010K1242607169D25511T251215-50111K14LCNQ611ZPICK12Z1064967213Z99999920Z0000000000000000000000000000000000000000000000000000000',
		expected: { partCode: '2073-USB1035-GF-P-0-B-B-ND', quantity: 6 }
	},
	{
		name: 'GS-separated without MH10.8.2 envelope',
		raw: `30PABC${GS}Q15`,
		expected: { partCode: 'ABC', quantity: 15 }
	},
	{
		name: 'Quantity legitimately 611 before 11Z (fallback path)',
		raw: '[)>06PABC1PXYZQ61111ZPICK',
		expected: { partCode: 'ABC', quantity: 611 }
	},
	{
		name: 'MH10.8.2 with separators, only 1P present',
		raw: `[)>06${GS}1PMYPART${GS}Q42`,
		expected: { partCode: 'MYPART', quantity: 42 }
	},
	{
		name: 'JSON-like',
		raw: '{PM:WIDGET-42,QTY:7}',
		expected: { partCode: 'WIDGET-42', quantity: 7 }
	}
];

let pass = 0;
let fail = 0;
for (const c of cases) {
	const got = parseScan(c.raw);
	const ok =
		got.partCode === c.expected.partCode && got.quantity === c.expected.quantity;
	if (ok) {
		pass++;
		console.log(`ok   ${c.name}`);
	} else {
		fail++;
		console.log(`FAIL ${c.name}`);
		console.log(`     got      ${JSON.stringify(got)}`);
		console.log(`     expected ${JSON.stringify(c.expected)}`);
	}
}
console.log(`\n${pass}/${pass + fail} pass`);
process.exit(fail ? 1 : 0);