import { test } from 'node:test';
import assert from 'node:assert/strict';
import { SCAN_MODES, getScanMode } from '../src/scan-modes.js';

test('genau drei Funktionen in fester Reihenfolge', () => {
  assert.equal(SCAN_MODES.length, 3);
  assert.deepEqual(SCAN_MODES.map((mode) => mode.id), ['barcode', 'qrcode', 'ocr']);
});

test('Funktion 1 (Strichcode): eindimensionale Codearten, laufende Suche, keine Texterkennung', () => {
  const mode = getScanMode('barcode');
  assert.equal(mode.label, 'Strichcode');
  assert.deepEqual(mode.barcodeFormats, [
    'Code128', 'Code39', 'Code93', 'ITF', 'EAN13', 'EAN8', 'UPCA', 'UPCE', 'Codabar',
  ]);
  assert.equal(mode.continuousSearch, true);
  assert.equal(mode.useOcr, false);
});

test('Funktion 2 (QR-Code): ausschliesslich QR-Varianten, kein DataMatrix', () => {
  const mode = getScanMode('qrcode');
  assert.equal(mode.label, 'QR-Code');
  assert.deepEqual(mode.barcodeFormats, ['QRCode', 'MicroQRCode', 'RMQRCode']);
  assert.ok(!mode.barcodeFormats.includes('DataMatrix'), 'Funktion 2 darf kein DataMatrix lesen');
  assert.equal(mode.continuousSearch, true);
  assert.equal(mode.useOcr, false);
});

test('Funktion 3 (Text erkennen): keine Codearten, keine laufende Suche, Texterkennung', () => {
  const mode = getScanMode('ocr');
  assert.equal(mode.label, 'Text erkennen');
  assert.deepEqual(mode.barcodeFormats, []);
  assert.equal(mode.continuousSearch, false);
  assert.equal(mode.useOcr, true);
});

test('unbekannte Kennung wirft statt undefined zurueckzugeben', () => {
  assert.throws(() => getScanMode('unbekannt'));
});