import test from 'node:test';
import assert from 'node:assert/strict';
import fs from 'node:fs';
import {
    newFuelBase,
    switchFuelTaxTreatment,
    fuelBaseTreatments,
    fuelBaseConditions,
    evaluateFuelBase,
    recordFuelBases,
    saveFuelBaseBook,
    fuelBaseBook,
    fuelBaseCurrent,
    fuelBaseReportRows,
} from '../../resources/js/lib/iva-fuel-base.ts';
import { actSaleCurrent } from '../../resources/js/lib/iva-act-sale-base.ts';
import { commissionBaseCurrent } from '../../resources/js/lib/iva-commission-base.ts';
import { createProjectDossierReport } from '../../resources/js/lib/project-dossier-report.ts';
const frozen = JSON.parse(
    fs.readFileSync(
        new URL('./fixtures/iva-g7d-preserved-inputs.json', import.meta.url),
        'utf8',
    ),
);
const row = (treatment = fuelBaseTreatments[0].id) => ({
    ...newFuelBase('g7d-' + treatment, 'MZN'),
    treatment,
    description: 'SYNTHETIC QA revenda de combustível A',
    period: '2026-12',
    operationDate: '2026-12-12',
    priceRef: 'SYNTHETIC QA referência preço A / Autoridade Pública',
    priceScope:
        'SYNTHETIC QA combustível A, revenda A, Manica, dezembro2026, pressupostos',
    priceFrom: '2026-12-01',
    priceTo: '2026-12-31',
    documentRef: 'SYNTHETIC QA G7D ' + treatment,
    documentDate: '2026-12-12',
    consideration: '1500.25',
    fuelTax: '100.10',
    fuelTaxRef: 'SYNTHETIC QA TC desta operação sem estimar taxa',
    compositionRef: 'SYNTHETIC QA composição15(1)/(5)/(6),líquida de IVA',
    evidence: 'SYNTHETIC QA pressupostos expressos,não documento real',
    conditions: Object.fromEntries(
        fuelBaseConditions.map(([key]) => [key, 'yes']),
    ),
});
const draft = () => ({
    ...structuredClone(frozen),
    context_opportunity: 'opportunity:342',
    project_title: 'SYNTHETIC QA — G7D / Bases de combustíveis',
});

void test('P095 own resale/price/scope/composition conditions; missing references and wrong date never become zero', () => {
    for (const rule of fuelBaseTreatments) {
        const input = row(rule.id),
            ok = evaluateFuelBase(input, 'MZN');
        assert.equal(ok.status, 'determined');
        assert.equal(
            ok.baseAmount,
            rule.id === 'fuel_tax_included' ? '1400.15' : '1500.25',
        );
        assert.equal(ok.vat, null);
        assert.equal(ok.rate, null);
        for (const [key] of fuelBaseConditions)
            for (const value of ['', 'unknown', 'no']) {
                const r = evaluateFuelBase(
                    {
                        ...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: '' },
            { priceRef: '' },
            { priceScope: '' },
            { documentRef: '' },
            { documentDate: '2026-02-30' },
            { compositionRef: '' },
            { evidence: '' },
            { period: '2025-12' },
            { currency: 'USD' },
            { treatment: 'unknown' },
            { operationDate: '2026-11-12' },
            { operationDate: '2026-02-30' },
            { priceFrom: '' },
            { priceTo: 'invalid' },
            { priceFrom: '2026-12-20' },
            { priceTo: '2026-12-11' },
            { priceFrom: '2026-12-31', priceTo: '2026-12-01' },
        ])
            assert.equal(
                evaluateFuelBase({ ...input, ...patch }, 'MZN').baseAmount,
                null,
            );
        assert.equal(
            evaluateFuelBase({ ...input, priceTo: '' }, 'MZN').status,
            'determined',
        );
        for (const operationDate of ['2026-12-01', '2026-12-31'])
            assert.equal(
                evaluateFuelBase({ ...input, operationDate }, 'MZN').status,
                'determined',
            );
    }
});

void test('TC subtracted exactly once only when included; zero,precision,excess and treatment changes preserve inputs', () => {
    const input = row();
    for (const [patch, expected] of [
        [{ consideration: '0', fuelTax: '0' }, '0.00'],
        [{ consideration: '1.000002', fuelTax: '0.000001' }, '1.000001'],
        [
            { consideration: '999999999999999.999999', fuelTax: '0.000001' },
            '999999999999999.999998',
        ],
        [
            {
                treatment: 'fuel_tax_excluded',
                fuelTax: 'invalid',
                fuelTaxRef: '',
            },
            '1500.25',
        ],
    ])
        assert.equal(
            evaluateFuelBase({ ...input, ...patch }, 'MZN').baseAmount,
            expected,
        );
    for (const patch of [
        { consideration: '' },
        { fuelTax: '' },
        { fuelTaxRef: '' },
        { consideration: '-1' },
        { fuelTax: 'NaN' },
        { fuelTax: '0.0000001' },
        { fuelTax: '1500.26' },
    ])
        assert.equal(
            evaluateFuelBase({ ...input, ...patch }, 'MZN').baseAmount,
            null,
        );
    const switched = switchFuelTaxTreatment(input, 'fuel_tax_excluded');
    assert.equal(switched.conditions.fuelTaxTreatment, '');
    for (const field of [
        'consideration',
        'fuelTax',
        'fuelTaxRef',
        'priceRef',
        'priceScope',
        'priceFrom',
        'priceTo',
        'documentRef',
    ])
        assert.equal(switched[field], input[field]);
    assert.equal(evaluateFuelBase(switched, 'MZN').baseAmount, null);
    assert.equal(
        evaluateFuelBase(
            {
                ...switched,
                conditions: { ...switched.conditions, fuelTaxTreatment: 'yes' },
            },
            'MZN',
        ).baseAmount,
        '1500.25',
    );
});

void test('save/recovery/history/report preserve all81 delivered books including P094/P091 and currentkeys', () => {
    const d = draft(),
        prior = JSON.parse(d.modelo_a_snapshot);
    assert.deepEqual(fuelBaseBook(d), { rows: [] });
    assert.deepEqual(fuelBaseReportRows(d), []);
    let book = recordFuelBases(d, {
        rows: fuelBaseTreatments.map((rule) => ({
            ...row(rule.id),
            conditions: {},
        })),
    });
    book = recordFuelBases(d, {
        ...book,
        rows: fuelBaseTreatments.map((rule) => ({
            ...row(rule.id),
            conditions: { ...row(rule.id).conditions, publicFixedPrice: 'no' },
        })),
    });
    book = recordFuelBases(d, {
        ...book,
        rows: fuelBaseTreatments.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(fuelBaseCurrent(d, book));
    for (const field of [
        'treatment',
        'consideration',
        'fuelTax',
        'fuelTaxRef',
        'priceRef',
        'priceScope',
        'priceFrom',
        'priceTo',
        'operationDate',
    ])
        assert.ok(
            !fuelBaseCurrent(d, {
                ...book,
                rows: book.rows.map((r) => ({ ...r, [field]: 'changed' })),
            }),
        );
    for (const patch of [
        { context_opportunity: 'opportunity:343' },
        { currency: 'USD' },
        { selection_labels: { province_id: 'Maputo' } },
    ])
        assert.ok(!fuelBaseCurrent({ ...d, ...patch }, book));
    d.modelo_a_snapshot = saveFuelBaseBook(d, book);
    assert.deepEqual(fuelBaseBook(JSON.parse(JSON.stringify(d))), book);
    const next = JSON.parse(d.modelo_a_snapshot);
    const { regulatedFuelBases: _regulatedFuelBases, ...untouched } = next;
    assert.deepEqual(untouched, prior);
    for (const [scope, previous] of Object.entries(prior.actSaleBases))
        assert.ok(
            actSaleCurrent({ ...d, context_opportunity: scope }, previous),
        );
    for (const [scope, previous] of Object.entries(prior.commissionBases))
        assert.ok(
            commissionBaseCurrent(
                { ...d, context_opportunity: scope },
                previous,
            ),
        );
    assert.equal(
        next.actSaleBases['opportunity:341'].result.rows[1].baseAmount,
        '2200.50',
    );
    assert.equal(
        next.commissionBases['opportunity:340'].result.rows[0].baseAmount,
        '900.15',
    );
    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 G7D',
        }),
    );
    for (const token of [
        'Base P095',
        '1400.15',
        '1500.25',
        'IVA: Indeterminado',
        'opportunity:342',
        'Manica',
        '2026-12-12',
        'preço A',
        '15(2)(i)',
        '100.10',
        '2026-12-01',
        '2026-12-31',
        'campo11',
    ])
        assert.ok(report.includes(token), token);
    assert.deepEqual(
        fuelBaseReportRows({ ...d, context_opportunity: 'opportunity:343' }),
        [],
    );
    if (process.env.IVA_G7D_CALCULATED)
        fs.writeFileSync(process.env.IVA_G7D_CALCULATED, JSON.stringify(d));
});

void test('corrupt fuel rows/store cannot overwrite originals; duplicate operation identifiers cannot be recorded', () => {
    const d = draft(),
        original = d.modelo_a_snapshot;
    for (const patch of [
        { fuelTax: 4 },
        { conditions: [] },
        { priceRef: null },
    ])
        assert.throws(
            () => saveFuelBaseBook(d, { rows: [{ ...row(), ...patch }] }),
            /originais preservados/,
        );
    assert.equal(d.modelo_a_snapshot, original);
    assert.throws(
        () => recordFuelBases(d, { rows: [row(), row()] }),
        /distintos/,
    );
    assert.throws(() => recordFuelBases(d, { rows: [] }), /distintos/);
    assert.throws(
        () =>
            fuelBaseBook({
                ...d,
                modelo_a_snapshot: JSON.stringify({
                    ...JSON.parse(original),
                    regulatedFuelBases: [],
                }),
            }),
        /originais preservados/,
    );
});