import test from 'node:test';
import assert from 'node:assert/strict';
import fs from 'node:fs';
import {
    newNoncashBase,
    switchNoncashComposition,
    noncashBaseTreatments,
    noncashBaseConditions,
    evaluateNoncashBase,
    recordNoncashBases,
    saveNoncashBaseBook,
    noncashBaseBook,
    noncashBaseCurrent,
    noncashBaseReportRows,
} from '../../resources/js/lib/iva-noncash-base.ts';
import { fuelBaseCurrent } from '../../resources/js/lib/iva-fuel-base.ts';
import { actSaleCurrent } from '../../resources/js/lib/iva-act-sale-base.ts';
import { createProjectDossierReport } from '../../resources/js/lib/project-dossier-report.ts';
const frozen = JSON.parse(
    fs.readFileSync(
        new URL('./fixtures/iva-g7e-preserved-inputs.json', import.meta.url),
        'utf8',
    ),
);
const row = (treatment = noncashBaseTreatments[0].id) => ({
    ...newNoncashBase('g7e-' + treatment, 'MZN'),
    treatment,
    description: 'SYNTHETIC QA operação A',
    period: '2026-12',
    exchangeDescription:
        'SYNTHETIC QA bens/serviços B dados em troca como contraprestação da operação A',
    agreementRef: 'SYNTHETIC QA acordo A',
    documentRef: 'SYNTHETIC QA G7E ' + treatment,
    documentDate: '2026-12-12',
    cashAmount: '500.25',
    cashRef: 'SYNTHETIC QA parte monetária recebida/a receber',
    normalValue: '2200.50',
    valuationRef: 'SYNTHETIC QA fundamento A valor normal15(4)',
    valuationScope:
        'SYNTHETIC QA bens/serviços B,estádio retalho,dezembro2026/Manica,concorrência normal/fornecedor independente',
    compositionRef:
        'SYNTHETIC QA composição15(5)/(6),líquida de IVA,sem duplicar elementos',
    evidence: 'SYNTHETIC QA pressupostos expressos,não documento real',
    conditions: Object.fromEntries(
        noncashBaseConditions.map(([key]) => [key, 'yes']),
    ),
});
const draft = () => ({
    ...structuredClone(frozen),
    context_opportunity: 'opportunity:343',
    project_title: 'SYNTHETIC QA — G7E / Bases de contraprestação',
});

void test('P100 own conditions,normal value basis/scope and counterpart references;unknown/no never become zero', () => {
    for (const rule of noncashBaseTreatments) {
        const input = row(rule.id),
            ok = evaluateNoncashBase(input, 'MZN');
        assert.equal(ok.status, 'determined');
        assert.equal(
            ok.baseAmount,
            rule.id === 'noncash_only' ? '2200.50' : '2700.75',
        );
        assert.equal(ok.vat, null);
        assert.equal(ok.rate, null);
        for (const [key] of noncashBaseConditions)
            for (const value of ['', 'unknown', 'no']) {
                const r = evaluateNoncashBase(
                    {
                        ...input,
                        conditions: { ...input.conditions, [key]: value },
                    },
                    'MZN',
                );
                assert.equal(
                    r.status,
                    value === 'no' ? 'not_applicable' : 'indeterminate',
                );
                assert.equal(r.baseAmount, null);
                assert.equal(r.vat, null);
            }
        for (const patch of [
            { description: '' },
            { exchangeDescription: '' },
            { agreementRef: '' },
            { documentRef: '' },
            { documentDate: '2026-02-30' },
            { valuationRef: '' },
            { valuationScope: '' },
            { compositionRef: '' },
            { evidence: '' },
            { period: '2025-12' },
            { currency: 'USD' },
            { treatment: 'unknown' },
        ])
            assert.equal(
                evaluateNoncashBase({ ...input, ...patch }, 'MZN').baseAmount,
                null,
            );
    }
});

void test('cash plus normal value once;entirely noncash requires explicit composition and preserves hidden cash without summing it', () => {
    const input = row('cash_and_noncash');
    for (const [patch, expected] of [
        [{ cashAmount: '0', normalValue: '0' }, '0.00'],
        [{ cashAmount: '0.000001', normalValue: '1.000002' }, '1.000003'],
        [
            {
                cashAmount: '999999999999999.999999',
                normalValue: '999999999999999.999999',
            },
            '1999999999999999.999998',
        ],
        [
            { treatment: 'noncash_only', cashAmount: 'invalid', cashRef: '' },
            '2200.50',
        ],
    ])
        assert.equal(
            evaluateNoncashBase({ ...input, ...patch }, 'MZN').baseAmount,
            expected,
        );
    for (const patch of [
        { cashAmount: '' },
        { cashRef: '' },
        { normalValue: '' },
        { cashAmount: '-1' },
        { normalValue: 'NaN' },
        { normalValue: '0.0000001' },
    ])
        assert.equal(
            evaluateNoncashBase({ ...input, ...patch }, 'MZN').baseAmount,
            null,
        );
    const switched = switchNoncashComposition(input, 'noncash_only');
    assert.equal(switched.conditions.cashComposition, '');
    for (const field of [
        'cashAmount',
        'cashRef',
        'normalValue',
        'exchangeDescription',
        'agreementRef',
        'valuationRef',
        'valuationScope',
        'documentRef',
    ])
        assert.equal(switched[field], input[field]);
    assert.equal(evaluateNoncashBase(switched, 'MZN').baseAmount, null);
    assert.equal(
        evaluateNoncashBase(
            {
                ...switched,
                conditions: { ...switched.conditions, cashComposition: 'yes' },
            },
            'MZN',
        ).baseAmount,
        '2200.50',
    );
});

void test('save/recovery/history/report preserve all82 delivered books including P095TC/P094scope and currentkeys', () => {
    const d = draft(),
        prior = JSON.parse(d.modelo_a_snapshot);
    assert.deepEqual(noncashBaseBook(d), { rows: [] });
    assert.deepEqual(noncashBaseReportRows(d), []);
    let book = recordNoncashBases(d, {
        rows: noncashBaseTreatments.map((rule) => ({
            ...row(rule.id),
            conditions: {},
        })),
    });
    book = recordNoncashBases(d, {
        ...book,
        rows: noncashBaseTreatments.map((rule) => ({
            ...row(rule.id),
            conditions: {
                ...row(rule.id).conditions,
                exchangeIdentified: 'no',
            },
        })),
    });
    book = recordNoncashBases(d, {
        ...book,
        rows: noncashBaseTreatments.map((rule) => row(rule.id)),
    });
    assert.equal(book.history.length, 2);
    assert.ok(
        book.history.every((h) =>
            h.rows.every((r) => r.baseAmount === null && r.vat === null),
        ),
    );
    assert.ok(noncashBaseCurrent(d, book));
    for (const field of [
        'treatment',
        'cashAmount',
        'cashRef',
        'normalValue',
        'exchangeDescription',
        'agreementRef',
        'valuationRef',
        'valuationScope',
    ])
        assert.ok(
            !noncashBaseCurrent(d, {
                ...book,
                rows: book.rows.map((r) => ({ ...r, [field]: 'changed' })),
            }),
        );
    for (const patch of [
        { context_opportunity: 'opportunity:344' },
        { currency: 'USD' },
        { selection_labels: { province_id: 'Maputo' } },
    ])
        assert.ok(!noncashBaseCurrent({ ...d, ...patch }, book));
    d.modelo_a_snapshot = saveNoncashBaseBook(d, book);
    assert.deepEqual(noncashBaseBook(JSON.parse(JSON.stringify(d))), book);
    const next = JSON.parse(d.modelo_a_snapshot);
    const { noncashBases: _noncashBases, ...untouched } = next;
    assert.deepEqual(untouched, prior);
    for (const [scope, previous] of Object.entries(prior.regulatedFuelBases))
        assert.ok(
            fuelBaseCurrent({ ...d, context_opportunity: scope }, previous),
        );
    for (const [scope, previous] of Object.entries(prior.actSaleBases))
        assert.ok(
            actSaleCurrent({ ...d, context_opportunity: scope }, previous),
        );
    assert.equal(
        next.regulatedFuelBases['opportunity:342'].result.rows[0].baseAmount,
        '1400.15',
    );
    assert.equal(
        next.regulatedFuelBases['opportunity:342'].result.rows[1].baseAmount,
        '1500.25',
    );
    assert.equal(
        next.actSaleBases['opportunity:341'].result.rows[1].baseAmount,
        '2200.50',
    );
    assert.equal(
        next.publicAuthorityBases['opportunity:339'].result.rows[0].vat,
        null,
    );
    assert.equal(
        next.importExemptions['opportunity:338'].result.rows[1].importVat,
        '400.00',
    );
    assert.equal(
        next.books['opportunity:329'].result.periods[0].fields['11'],
        null,
    );
    const report = JSON.stringify(
        createProjectDossierReport(d, {
            selectedSections: new Set(['finance']),
            version: 'QA G7E',
        }),
    );
    for (const token of [
        'Base P100',
        '2200.50',
        '2700.75',
        'IVA: Indeterminado',
        'opportunity:343',
        'Manica',
        '2026-12',
        'acordo A',
        '15(3)/(4)',
        'bens/serviços B',
        '500.25',
        'campo11',
    ])
        assert.ok(report.includes(token), token);
    assert.deepEqual(
        noncashBaseReportRows({ ...d, context_opportunity: 'opportunity:344' }),
        [],
    );
    if (process.env.IVA_G7E_CALCULATED)
        fs.writeFileSync(process.env.IVA_G7E_CALCULATED, JSON.stringify(d));
});

void test('corrupt noncash rows/store cannot overwrite originals;duplicate operation identifiers cannot be recorded', () => {
    const d = draft(),
        original = d.modelo_a_snapshot;
    for (const patch of [
        { cashAmount: 4 },
        { conditions: [] },
        { valuationRef: null },
    ])
        assert.throws(
            () => saveNoncashBaseBook(d, { rows: [{ ...row(), ...patch }] }),
            /originais preservados/,
        );
    assert.equal(d.modelo_a_snapshot, original);
    assert.throws(
        () => recordNoncashBases(d, { rows: [row(), row()] }),
        /distintos/,
    );
    assert.throws(() => recordNoncashBases(d, { rows: [] }), /distintos/);
    assert.throws(
        () =>
            noncashBaseBook({
                ...d,
                modelo_a_snapshot: JSON.stringify({
                    ...JSON.parse(original),
                    noncashBases: [],
                }),
            }),
        /originais preservados/,
    );
});