Investidor-V2/tests/frontend/iva-import-investment.test.mjs

import test from 'node:test';
import assert from 'node:assert/strict';
import fs from 'node:fs';
import {
    newImportExemption,
    evaluateImportExemption,
    recordImportExemptions,
    saveImportExemptionBook,
    importExemptionBook,
    importExemptionCurrent,
    importExemptionRules,
    importInvestmentSource,
} from '../../resources/js/lib/iva-import-exemptions.ts';
import { createProjectDossierReport } from '../../resources/js/lib/project-dossier-report.ts';
const frozen = JSON.parse(
    fs.readFileSync(
        new URL('./fixtures/iva-g6g-preserved-inputs.json', import.meta.url),
        'utf8',
    ),
);
const rule = importExemptionRules.find((r) => r.branch === 'P056');
const row = () => ({
    ...newImportExemption('g6g-equipment', 'MZN'),
    treatment: rule.id,
    description: 'SYNTHETIC QA equipamento industrial classe K',
    period: '2026-12',
    declaredValue: '5000',
    goodsCode: 'SYNTHETIC QA código não determina classe',
    importer: 'SYNTHETIC QA empreendimento',
    documentRef: 'SYNTHETIC QA G6G importação',
    documentDate: '2026-11-14',
    investmentAuthorizationRef:
        'SYNTHETIC QA autorização A, pressuposto expresso',
    investmentScope:
        'SYNTHETIC QA equipamento industrial desta operação,2026-12,condições A; não alargar a outros bens',
    evidence:
        'SYNTHETIC QA classificação K e destino ao empreendimento autorizado; projecção, não documento real',
    conditions: Object.fromEntries(
        rule.conditions.map(([key]) => [key, 'yes']),
    ),
});
const draft = () => ({
    ...structuredClone(frozen),
    context_opportunity: 'opportunity:337',
    project_title: 'SYNTHETIC QA — G6G / Equipamento de investimento',
});

void test('P056 needs equipment,class K,authorization and own destination; sector/code/request alone cannot yield exemption', () => {
    assert.equal(rule.article, '12(1)(k)');
    assert.match(importInvestmentSource, /Lei10\/2025/);
    for (const origin of ['projected', 'effective'])
        assert.equal(
            evaluateImportExemption({ ...row(), origin }, 'MZN').importVat,
            '0.00',
        );
    for (const [key] of rule.conditions)
        for (const value of ['', 'unknown', 'no']) {
            const r = evaluateImportExemption(
                { ...row(), conditions: { ...row().conditions, [key]: value } },
                'MZN',
            );
            assert.equal(
                r.status,
                value === 'no' ? 'not_applicable' : 'indeterminate',
            );
            assert.equal(r.importVat, null);
            assert.equal(r.serviceVat, undefined);
        }
    for (const patch of [
        { investmentAuthorizationRef: '' },
        { investmentScope: '' },
        { documentRef: '' },
        { evidence: '' },
        { documentDate: '2026-02-30' },
        { period: '2025-12' },
        { currency: 'USD' },
    ])
        assert.equal(
            evaluateImportExemption({ ...row(), ...patch }, 'MZN').importVat,
            null,
        );
    const presented = {
        ...row(),
        investmentAuthorizationRef: 'Pedido apresentado; ainda sem autorização',
        conditions: { ...row().conditions, investmentAuthorized: 'no' },
    };
    assert.equal(
        evaluateImportExemption(presented, 'MZN').status,
        'not_applicable',
    );
    assert.equal(
        evaluateImportExemption({ ...row(), conditions: {} }, 'MZN').status,
        'indeterminate',
    );
});

void test('P056 preserves all delivered books,services,partial offer states and history; own edits/context invalidate only current result', () => {
    const d = draft(),
        prior = JSON.parse(d.modelo_a_snapshot);
    let book = recordImportExemptions(d, {
        rows: [{ ...row(), conditions: {} }],
    });
    book = recordImportExemptions(d, {
        ...book,
        rows: [
            {
                ...row(),
                conditions: { ...row().conditions, investmentAuthorized: 'no' },
            },
        ],
    });
    book = recordImportExemptions(d, { ...book, rows: [row()] });
    assert.equal(book.history.length, 2);
    assert.ok(book.history.every((h) => h.rows[0].importVat === null));
    assert.ok(importExemptionCurrent(d, book));
    assert.match(book.result.sourceKey, /import-investment-equipment\/1/);
    for (const patch of [
        { investmentScope: 'another operation' },
        { investmentAuthorizationRef: 'different authorization' },
        { treatment: 'fire_brigade_vehicle' },
    ])
        assert.ok(
            !importExemptionCurrent(d, {
                ...book,
                rows: [{ ...row(), ...patch }],
            }),
        );
    assert.ok(
        !importExemptionCurrent(
            { ...d, context_opportunity: 'opportunity:338' },
            book,
        ),
    );
    d.modelo_a_snapshot = saveImportExemptionBook(d, book);
    assert.deepEqual(importExemptionBook(JSON.parse(JSON.stringify(d))), book);
    const next = JSON.parse(d.modelo_a_snapshot);
    assert.deepEqual(
        { ...next, importExemptions: prior.importExemptions },
        prior,
    );
    for (const [scope, previous] of Object.entries(prior.importExemptions)) {
        assert.deepEqual(next.importExemptions[scope], previous);
        assert.ok(
            importExemptionCurrent(
                { ...d, context_opportunity: scope },
                previous,
            ),
        );
    }
    assert.equal(
        next.importExemptions['opportunity:336'].result.rows[0].serviceVat,
        '0.00',
    );
    assert.equal(
        next.importExemptions['opportunity:336'].result.rows[0].importVat,
        null,
    );
    assert.equal(
        next.books['opportunity:329'].result.periods[0].fields['11'],
        null,
    );
    const report = JSON.stringify(
        createProjectDossierReport(d, {
            selectedSections: new Set(['finance']),
            version: 'QA G6G',
        }),
    );
    for (const token of [
        'P056',
        '12(1)(k)',
        '5000',
        'opportunity:337',
        'Manica',
        '2026-12',
        'autorização A',
        'não alargar',
        'campo11',
    ])
        assert.ok(report.includes(token), token);
    if (process.env.IVA_G6G_CALCULATED)
        fs.writeFileSync(process.env.IVA_G6G_CALCULATED, JSON.stringify(d));
});

void test('investment references survive treatment switches;malformed writes preserve originals and do not require new fields on delivered rows', () => {
    const d = draft(),
        original = d.modelo_a_snapshot;
    for (const field of ['investmentAuthorizationRef', 'investmentScope'])
        assert.throws(
            () =>
                saveImportExemptionBook(d, {
                    rows: [{ ...row(), [field]: 42 }],
                }),
            /Referências do investimento/,
        );
    assert.equal(d.modelo_a_snapshot, original);
    const changed = {
        ...row(),
        treatment: 'central_bank_gold',
        conditions: { ...row().conditions, gold: 'yes', centralBank: 'yes' },
    };
    d.modelo_a_snapshot = saveImportExemptionBook(d, { rows: [changed] });
    assert.equal(
        importExemptionBook(d).rows[0].investmentScope,
        row().investmentScope,
    );
    assert.equal(evaluateImportExemption(changed, 'MZN').importVat, '0.00');
    assert.ok(
        !importExemptionCurrent(
            { ...d, context_opportunity: 'opportunity:338' },
            { rows: [row()] },
        ),
    );
});