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

const { buildDateFilter, normalizeDateParam } = require('../services/analyticsService');

test('normalizeDateParam accepts strict ISO dates', () => {
    assert.equal(normalizeDateParam('2026-05-28'), '2026-05-28');
});

test('normalizeDateParam rejects non-ISO or impossible dates', () => {
    assert.equal(normalizeDateParam('28/05/2026'), null);
    assert.equal(normalizeDateParam('2026-02-31'), null);
    assert.equal(normalizeDateParam(''), null);
});

test('buildDateFilter builds bounded date predicates', () => {
    const filter = buildDateFilter({ start: '2026-05-01', end: '2026-05-28' });

    assert.deepEqual(filter.params, ['2026-05-01', '2026-05-28']);
    assert.equal(
        filter.whereClause,
        'WHERE data_pedido_date IS NOT NULL AND data_pedido_date >= $1::date AND data_pedido_date <= $2::date'
    );
});

test('buildDateFilter ignores invalid bounds', () => {
    const filter = buildDateFilter({ start: 'invalid', end: '2026-05-28' });

    assert.deepEqual(filter.params, ['2026-05-28']);
    assert.equal(
        filter.whereClause,
        'WHERE data_pedido_date IS NOT NULL AND data_pedido_date <= $1::date'
    );
});