import { describe, it, expect } from 'vitest';
import { getSelectedQuery } from '../get-selected-query';

describe('getSelectedQuery', () => {
  it('находит query по значению из route', () => {
    const route = { query: { sort: 'popular' } };
    const items = [
      { value: 'popular', key: 'sort', query: 'popular-query' },
      { value: 'newest', key: 'sort', query: 'newest-query' },
    ];
    expect(getSelectedQuery(route as any, items as any)).toBe('popular-query');
  });

  it('не найдено → undefined', () => {
    const route = { query: { sort: 'unknown' } };
    const items = [{ value: 'popular', key: 'sort', query: 'q' }];
    expect(getSelectedQuery(route as any, items as any)).toBeUndefined();
  });

  it('элемент найден, но без query → undefined (сортировка не уходит в запрос)', () => {
    const route = { query: { sort: 'relevant' } };
    const items = [
      { value: 'relevant', key: 'sort' },
      { value: 'newest', key: 'sort', query: '-created' },
    ];
    expect(getSelectedQuery(route as any, items as any)).toBeUndefined();
  });

  it('пустой items → undefined', () => {
    const route = { query: { sort: 'popular' } };
    expect(getSelectedQuery(route as any, [])).toBeUndefined();
  });
});