import test from 'node:test';
import assert from 'node:assert/strict';
import fs from 'node:fs';
import { exportBeneficiaryTreatments as rules } from '../../resources/js/lib/iva-export-beneficiaries.ts';
import {
    newSalesOperation,
    evaluateSalesOperation,
    recordSales,
    saveSalesBook,
    salesBook,
    salesCurrent,
} from '../../resources/js/lib/iva-operations.ts';
import { createProjectDossierReport } from '../../resources/js/lib/project-dossier-report.ts';
const frozen = JSON.parse(
    fs.readFileSync(
        new URL('./fixtures/iva-g4d-inputs.json', import.meta.url),
        'utf8',
    ),
);
const row = (rule, i) => ({
    ...newSalesOperation(`g4e-${i}`, '2026-12', 'MZN'),
    description: `SYNTHETIC QA — ${rule.label}`,
    establishment: 'SYNTHETIC QA estabelecimento',
    amount: '100',
    basis: i % 2 ? 'included' : 'net',
    treatment: rule.id,
    confirmed: rule.conditions.map((_, n) => n),
    evidence:
        'SYNTHETIC QA — pressuposto expresso de projecção: intervenientes, destino/saída e regulamentação própria (b); acordo aplicável, disposição, âmbito/período e reconhecimento (j/k); reconhecimento do organismo e prévio direito (l). Sem certificação real.',
});
function fixture() {
    const draft = {
        ...structuredClone(frozen),
        context_opportunity: 'opportunity:327',
        project_title: 'SYNTHETIC QA — G4E / Exportações e beneficiários',
    };
    const book = recordSales(draft, {
        currency: 'MZN',
        rows: rules.map(row),
        periods: [{ period: '2026-12', complete: true }],
    });
    draft.modelo_a_snapshot = saveSalesBook(draft, book);
    return { draft, book };
}
void test('four distinct branches require every applicable condition; missing treaty/recognition/private-use exclusion never produces zero', () => {
    assert.equal(rules.length, 4);
    for (const [i, rule] of rules.entries()) {
        const input = row(rule, i),
            result = evaluateSalesOperation(input, 'MZN');
        assert.equal(result.field, '05');
        assert.equal(result.vat, '0.00');
        assert.equal(result.net, '100.00');
        assert.equal(result.gross, '100.00');
        for (const missing of input.confirmed) {
            const incomplete = evaluateSalesOperation(
                {
                    ...input,
                    confirmed: input.confirmed.filter((n) => n !== missing),
                },
                'MZN',
            );
            assert.equal(incomplete.vat, null);
            assert.equal(incomplete.net, null);
        }
        for (const patch of [
            { amount: '' },
            { evidence: '' },
            { sourceCurrency: 'USD' },
            { period: '2027-01' },
            { basis: '' },
            { description: '' },
            { establishment: '' },
        ])
            assert.equal(
                evaluateSalesOperation({ ...input, ...patch }, 'MZN').vat,
                null,
            );
    }
    assert.match(rules[0].conditions.join(' '), /uso privado/);
    assert.match(rules[0].conditions.join(' '), /regulamentação própria/);
    for (const rule of rules.slice(1, 3))
        assert.match(rule.conditions.join(' '), /acordo ou convénio/);
    assert.match(
        rules[3].conditions.join(' '),
        /Prévio reconhecimento do direito/,
    );
});
void test('editing legal support preserves price/context/history and makes totals indeterminate until conditions are reviewed', () => {
    const { draft, book } = fixture();
    assert.equal(book.result.periods[0].fields['05'], '400.00');
    for (let i = 0; i < 4; i++) {
        const changed = recordSales(draft, {
            ...book,
            rows: book.rows.map((r, n) =>
                n === i
                    ? {
                          ...r,
                          evidence:
                              'Documento/pressuposto revisto; condições por reconfirmar',
                          confirmed: [],
                      }
                    : r,
            ),
        });
        assert.equal(changed.rows[i].amount, '100');
        assert.equal(changed.rows[i].sourceCurrency, 'MZN');
        assert.equal(changed.rows[i].period, '2026-12');
        assert.equal(changed.result.periods[0].fields['05'], null);
        assert.deepEqual(changed.history.at(-1), book.result);
        const edited = {
            ...draft,
            modelo_a_snapshot: saveSalesBook(draft, {
                ...book,
                rows: changed.rows,
            }),
        };
        assert.equal(salesCurrent(edited, salesBook(edited)), false);
    }
});
void test('snapshot/report retain sources,assumptions,opportunity;18 previous books are identical/current without recalculation', () => {
    const { draft, book } = fixture();
    assert.ok(salesCurrent(draft, book));
    assert.deepEqual(
        salesBook(JSON.parse(JSON.stringify(draft))),
        JSON.parse(JSON.stringify(book)),
    );
    const before = JSON.parse(frozen.modelo_a_snapshot).salesOperations,
        after = JSON.parse(draft.modelo_a_snapshot).salesOperations;
    assert.equal(Object.keys(before).length, 18);
    for (const [context, original] of Object.entries(before)) {
        assert.deepEqual(after[context], original);
        assert.ok(
            salesCurrent(
                { ...draft, context_opportunity: context },
                after[context],
            ),
        );
    }
    const report = JSON.stringify(
        createProjectDossierReport(draft, {
            selectedSections: new Set(['finance']),
            version: 'QA G4E',
        }),
    );
    for (const token of [
        'opportunity:327',
        'Manica',
        '2026-12',
        '400.00',
        '13(1)(b)',
        '13(1)(j)',
        '13(1)(k)',
        '13(1)(l)',
        'pressuposto expresso',
        'QA G4E',
    ])
        assert.ok(report.includes(token), token);
    if (process.env.IVA_G4E_CALCULATED)
        fs.writeFileSync(process.env.IVA_G4E_CALCULATED, JSON.stringify(draft));
});