import test from 'node:test';
import assert from 'node:assert/strict';
import {
    newFiscalPreparation,
    readFiscalPreparation,
    fiscalPreparationIssues,
    fiscalFormFields,
} from '../../resources/js/lib/fiscal-form-preparation.ts';

void test('IVA and IRPC preparations round trip deliberate entries and unknown amounts without zero defaults', () => {
    for (const kind of ['iva', 'irpc']) {
        const p = newFiscalPreparation(kind);
        p.name = 'Investidor de teste';
        p.nuit = '123456789';
        p.period = kind === 'iva' ? '2026-10' : '2026';
        const [first, second] = fiscalFormFields(kind);
        p.values[first.code] = '123456789012345678901234,01';
        p.values[second.code] = '';
        const restored = readFiscalPreparation(JSON.stringify(p));
        assert.deepEqual(restored, p);
        assert.deepEqual(fiscalPreparationIssues(restored), []);
        assert.equal(restored.values[second.code], '');
        assert.equal(Object.values(restored.values).includes('0'), false);
    }
});
void test('foreign editions, unknown fields and malformed or oversized files cannot replace preparation', () => {
    const p = newFiscalPreparation('iva');
    for (const v of [
        { ...p, sourceHash: 'different' },
        { ...p, values: { 999: '1' } },
        { ...p, values: [] },
        { ...p, nuit: 123 },
        { ...p, version: 'later' },
    ])
        assert.throws(() => readFiscalPreparation(JSON.stringify(v)));
    assert.throws(() => readFiscalPreparation('{broken'));
    assert.throws(() => readFiscalPreparation('x'.repeat(100001)));
    assert.equal(p.kind, 'iva');
    assert.deepEqual(p.values, {});
});
void test('invalid format is identified without rounding or discarding an incomplete preparation', () => {
    const p = newFiscalPreparation('irpc');
    p.values['303'] = '1.234';
    p.values['304'] = '25,00';
    const restored = readFiscalPreparation(JSON.stringify(p));
    assert.equal(restored.values['303'], '1.234');
    assert.ok(
        fiscalPreparationIssues(restored).some((i) =>
            i.startsWith('Campo 303:'),
        ),
    );
    assert.equal(
        fiscalFormFields('irpc').find((f) => f.code === '303').label,
        'Dupla tributação económica',
    );
    assert.equal(
        fiscalFormFields('irpc').find((f) => f.code === '304').label,
        'Dupla tributação internacional',
    );
});