// Copyright: (c) 2026 TWWIM UG. All rights reserved. (www.twwim.com)

import { describe, it, expect } from 'vitest';
import { AuthOrigin, Channel } from '@archer/domain';
import { resolveChannel } from '../channel';

describe('resolveChannel', () => {
  // Table-driven exhaustive priority check.
  // WP build flag dominates over any auth origin; SHOPIFY origin only matters
  // in the web bundle (no WP build flag); otherwise WEBSITE default.
  const cases: ReadonlyArray<{
    name: string;
    isWpEmbedBuild: boolean;
    authOrigin: AuthOrigin | undefined;
    expected: Channel;
  }> = [
    { name: 'WP build, twwim user',                 isWpEmbedBuild: true,  authOrigin: AuthOrigin.TWWIM,    expected: Channel.WORDPRESS },
    { name: 'WP build, shopify user (impossible irl)', isWpEmbedBuild: true,  authOrigin: AuthOrigin.SHOPIFY, expected: Channel.WORDPRESS },
    { name: 'WP build, no user (pre-login)',        isWpEmbedBuild: true,  authOrigin: undefined,           expected: Channel.WORDPRESS },
    { name: 'web bundle, shopify user',             isWpEmbedBuild: false, authOrigin: AuthOrigin.SHOPIFY,  expected: Channel.SHOPIFY },
    { name: 'web bundle, twwim user',               isWpEmbedBuild: false, authOrigin: AuthOrigin.TWWIM,    expected: Channel.WEBSITE },
    { name: 'web bundle, no user (pre-login)',      isWpEmbedBuild: false, authOrigin: undefined,           expected: Channel.WEBSITE },
  ];

  it.each(cases)('$name → $expected', ({ isWpEmbedBuild, authOrigin, expected }) => {
    expect(resolveChannel({ isWpEmbedBuild, authOrigin })).toBe(expected);
  });

  it('build flag wins regardless of authOrigin (priority invariant)', () => {
    const wp = resolveChannel({ isWpEmbedBuild: true, authOrigin: AuthOrigin.SHOPIFY });
    expect(wp).toBe(Channel.WORDPRESS);
  });

  it('falls back to WEBSITE for unknown authOrigin string in web bundle', () => {
    const result = resolveChannel({ isWpEmbedBuild: false, authOrigin: 'something-else' as AuthOrigin });
    expect(result).toBe(Channel.WEBSITE);
  });
});