import test from 'node:test';
import assert from 'node:assert/strict';

const eventTarget = () => ({addEventListener() {}});
globalThis.document = {getElementById: eventTarget};
globalThis.window = eventTarget();

const {normalizeSearch} = await import('../dropdown.js');

test('dropdown search keeps technical key names locale independent', () => {
    assert.equal('I'.toLocaleLowerCase('tr'), '\u0131');
    assert.equal(normalizeSearch('I'), 'i');
    assert.equal(normalizeSearch('i'), 'i');
    assert.ok(normalizeSearch('KEY:I').includes(normalizeSearch('i')));
});

test('language names match Latin searches without accents', () => {
    for (const [label, query] of [['Español', 'espanol'], ['Français', 'francais'],
                                 ['Türkçe', 'TURKCE'], ['Português', 'portugues'],
                                 ['Tiếng Việt', 'tieng viet'], ['İstanbul', 'istanbul']]) {
        assert.ok(normalizeSearch(label).includes(normalizeSearch(query)), `${query}: ${label}`);
    }
    assert.equal(normalizeSearch('FRANÇAIS'), normalizeSearch('franc\u0327ais'));
    assert.equal(normalizeSearch('français'), normalizeSearch('francais'));
});

test('search folding preserves non-Latin letters and technical punctuation', () => {
    for (const value of ['日本語', 'ば', 'は', 'فارسی', 'العَرَبِيَّة', 'KEY:Keypad +', 'KEY:[']) {
        assert.equal(normalizeSearch(value), value.toLowerCase());
    }
    assert.notEqual(normalizeSearch('ば'), normalizeSearch('は'));
});