import { describe, it, expect } from 'vitest';
import { CONFIG_GROUPS } from './SettingsSidebar';
import { buildSettingsFieldSearchIndex, buildSettingsSearchIndex, searchSettings } from './settingsSearchIndex';

describe('searchSettings', () => {
  it('finds a section by a config-key keyword buried in a form', () => {
    expect(searchSettings('reserve_cap').map(r => r.sectionId)).toContain('safety');
    expect(searchSettings('deadline').map(r => r.sectionId)).toContain('safety');
    expect(searchSettings('max_stream_minutes').map(r => r.sectionId)).toContain('llm-workers');
  });

  it('finds a section by concept in English or Japanese', () => {
    expect(searchSettings('python').map(r => r.sectionId)).toContain('execution');
    expect(searchSettings('tls').map(r => r.sectionId)).toContain('server-tls');
    expect(searchSettings('証明書').map(r => r.sectionId)).toContain('server-tls');
    expect(searchSettings('デッドライン').map(r => r.sectionId)).toContain('safety');
  });

  it('is AND across whitespace-separated terms', () => {
    const r = searchSettings('browser timeout');
    expect(r.map(x => x.sectionId)).toContain('tools-browser');
    // "browser timeout" should not match, say, safety (has neither pair).
    expect(r.every(x => `${x.label} ${x.keywords}`.toLowerCase().includes('browser'))).toBe(true);
  });

  it('is case-insensitive and returns nothing for an empty query', () => {
    expect(searchSettings('SAFETY').map(r => r.sectionId)).toContain('safety');
    expect(searchSettings('   ')).toEqual([]);
    expect(searchSettings('')).toEqual([]);
  });

  it('can be scoped to a caller-supplied (e.g. non-admin) index subset', () => {
    const onlyPrefs = buildSettingsSearchIndex().filter(e => e.sectionId === 'preferences');
    // "safety" is admin-only → absent from a preferences-only index.
    expect(searchSettings('safety', onlyPrefs)).toEqual([]);
    expect(searchSettings('preferences', onlyPrefs).map(r => r.sectionId)).toEqual(['preferences']);
  });
});

describe('field search index', () => {
  it('finds a fixed field by its config key and keeps the target section', () => {
    const results = searchSettings('searxng_url', buildSettingsFieldSearchIndex());
    expect(results).toEqual(expect.arrayContaining([
      expect.objectContaining({ sectionId: 'tools-web', fieldId: 'tools.searxngUrl' }),
    ]));
  });
});

describe('index integrity (drift guard)', () => {
  const allIds = CONFIG_GROUPS.flatMap(g => g.sections.map(s => s.id));

  it('covers every sidebar section (no section left unsearchable)', () => {
    const index = buildSettingsSearchIndex();
    const indexedIds = new Set(index.map(e => e.sectionId));
    for (const id of allIds) expect(indexedIds.has(id)).toBe(true);
  });

  it('every indexed section has non-empty keywords', () => {
    for (const e of buildSettingsSearchIndex()) {
      expect(e.keywords.trim().length, `section ${e.sectionId} has no keywords`).toBeGreaterThan(0);
    }
  });
});