const test = require('node:test');
const assert = require('node:assert/strict');

const backendSearch = require('../server/services/flexibleChannelSearch');
const frontendProjection = require('../public/js/services/liveChannelProjection.js');

function channel(displayName) {
    return {
        displayName,
        standardName: displayName,
        fingerprint: displayName.toLowerCase(),
        variants: [{
            name: `${displayName} HD`,
            tvgId: displayName.replace(/\s+/g, '.').toLowerCase(),
            categoryName: 'Sports',
            groupTitle: 'Sports'
        }]
    };
}

test('backend beIN search keeps singular/plural tolerance without matching Max channels', () => {
    assert.equal(backendSearch.matchesSearch(channel('beIN Sports 1'), 'bein sports 1'), true);
    assert.equal(backendSearch.matchesSearch(channel('beIN Sports 1'), 'Bein Sport 1'), true);
    assert.equal(backendSearch.matchesSearch(channel('beIN Sports Max 10'), 'bein sports 1'), false);
    assert.equal(backendSearch.matchesSearch(channel('beIN Sports Max 4'), 'bein sports 1'), false);
    assert.equal(backendSearch.matchesSearch(channel('beIN Sports 2'), 'bein sports 1'), false);
    assert.equal(backendSearch.matchesSearch(channel('beINSports1'), 'bein sports 1'), true);
    assert.equal(backendSearch.matchesSearch(channel('beIN Sports 01'), 'bein sports 1'), true);
});

test('frontend local beIN search mirrors backend Max-channel exclusion', () => {
    assert.equal(frontendProjection.matchesSearch(channel('beIN Sports 1'), 'bein sports 1'), true);
    assert.equal(frontendProjection.matchesSearch(channel('beIN Sports 1'), 'Bein Sport 1'), true);
    assert.equal(frontendProjection.matchesSearch(channel('beIN Sports Max 10'), 'bein sports 1'), false);
    assert.equal(frontendProjection.matchesSearch(channel('beIN Sports Max 4'), 'bein sports 1'), false);
    assert.equal(frontendProjection.matchesSearch(channel('beIN Sports 2'), 'bein sports 1'), false);
    assert.equal(frontendProjection.matchesSearch(channel('beINSports1'), 'bein sports 1'), true);
    assert.equal(frontendProjection.matchesSearch(channel('beIN Sports 01'), 'bein sports 1'), true);
});