// @vitest-environment jsdom
import { describe, expect, it, beforeEach } from 'vitest';
import {
  DEFAULT_SCANNER_DESTINATION,
  destinationActionKey,
  mergeScannedCardEntry,
  SCANNER_CART_STORAGE_KEY,
  loadScannerCart,
  saveScannerCart,
  clearScannerCartStorage,
} from '../../lib/scanner-session.js';

describe('destinationActionKey', () => {
  it('maps owned destination to owned action key', () => {
    expect(destinationActionKey(DEFAULT_SCANNER_DESTINATION)).toBe('owned');
  });

  it('returns pending when destination is missing', () => {
    expect(destinationActionKey(null)).toBe('pending');
  });
});

describe('mergeScannedCardEntry', () => {
  const scanDefaults = { condition: 'NM', isFoil: false };

  it('creates a new queue entry with scan defaults', () => {
    const { cardEntry, scannedCards, merged } = mergeScannedCardEntry([], {
      name: 'Pikachu',
      set: 'Base',
      databaseId: 1,
    }, scanDefaults);

    expect(merged).toBe(false);
    expect(scannedCards).toHaveLength(1);
    expect(cardEntry).toMatchObject({
      name: 'Pikachu',
      set: 'Base',
      quantity: 1,
      condition: 'NM',
      isFoil: false,
      processed: false,
    });
    expect(cardEntry.id).toBeTruthy();
  });

  it('increments quantity for an unprocessed duplicate name+set', () => {
    const existing = {
      id: 99,
      name: 'Bolt',
      set: 'Alpha',
      quantity: 2,
      processed: false,
    };

    const { cardEntry, scannedCards, merged } = mergeScannedCardEntry(
      [existing],
      { name: 'Bolt', set: 'Alpha', databaseId: 1, scanImageUrl: 'https://blob/new.jpg' },
      scanDefaults
    );

    expect(merged).toBe(true);
    expect(scannedCards).toHaveLength(1);
    expect(cardEntry.quantity).toBe(3);
    expect(cardEntry.scanImageUrl).toBe('https://blob/new.jpg');
  });
});

describe('scanner cart sessionStorage', () => {
  const sampleCards = [
    {
      id: 1,
      name: 'Pikachu',
      set: 'Base',
      quantity: 1,
      condition: 'NM',
      isFoil: false,
      processed: false,
    },
  ];

  beforeEach(() => {
    sessionStorage.clear();
  });

  it('round-trips cart rows and selection within a tab', () => {
    saveScannerCart({ scannedCards: sampleCards, selectedCardIds: [1] });

    const loaded = loadScannerCart();
    expect(loaded).toEqual({ scannedCards: sampleCards, selectedCardIds: [1] });
    expect(sessionStorage.getItem(SCANNER_CART_STORAGE_KEY)).toBeTruthy();
  });

  it('omits capturedImage and ocrText from persisted cart rows', () => {
    saveScannerCart({
      scannedCards: [
        {
          ...sampleCards[0],
          capturedImage: 'data:image/png;base64,AAAA',
          ocrText: 'raw ocr',
        },
      ],
      selectedCardIds: [1],
    });

    const loaded = loadScannerCart();
    expect(loaded.scannedCards[0].capturedImage).toBeUndefined();
    expect(loaded.scannedCards[0].ocrText).toBeUndefined();
    expect(loaded.scannedCards[0].name).toBe('Pikachu');
  });

  it('clearScannerCartStorage removes persisted cart state', () => {
    saveScannerCart({ scannedCards: sampleCards, selectedCardIds: [1] });
    clearScannerCartStorage();

    expect(loadScannerCart()).toBeNull();
    expect(sessionStorage.getItem(SCANNER_CART_STORAGE_KEY)).toBeNull();
  });
});