import test from 'node:test';
import assert from 'node:assert/strict';
import fs from 'node:fs';
import {
    newImportExemption,
    evaluateImportExemption,
    recordImportExemptions,
    saveImportExemptionBook,
    importExemptionBook,
    importExemptionCurrent,
    importExemptionRules,
    importRuleSource,
} from '../../resources/js/lib/iva-import-exemptions.ts';
import {
    internationalShipEligibility,
    internationalAircraftEligibility,
    internationalAssetTreatments,
} from '../../resources/js/lib/iva-international-assets.ts';
import { salesCurrent } from '../../resources/js/lib/iva-operations.ts';
import { acquisitionCurrent } from '../../resources/js/lib/iva-acquisitions.ts';
import { createProjectDossierReport } from '../../resources/js/lib/project-dossier-report.ts';
const frozen = JSON.parse(
    fs.readFileSync(
        new URL('./fixtures/iva-g6b-inputs.json', import.meta.url),
        'utf8',
    ),
);
const ids = [
    'eligible_ship_import',
    'ship_operation_object_import',
    'eligible_aircraft_import',
    'aircraft_operation_object_import',
];
const row = (treatment = 'eligible_ship_import') => ({
    ...newImportExemption('g6c-' + treatment, 'MZN'),
    treatment,
    description: 'SYNTHETIC QA ' + treatment,
    period: '2026-12',
    declaredValue: '4000',
    importer: 'SYNTHETIC QA operador',
    documentRef: 'SYNTHETIC QA G6C ' + treatment,
    documentDate: '2026-11-13',
    evidence:
        'SYNTHETIC QA meio identificado, utilização elegível e ligação do bem importado expressamente assumidas; não é documento real',
    conditions: Object.fromEntries(
        importExemptionRules
            .find((r) => r.id === treatment)
            .conditions.map(([key]) => [key, 'yes']),
    ),
});
const draft = () => ({
    ...structuredClone(frozen),
    context_opportunity: 'opportunity:332',
    project_title: 'SYNTHETIC QA — G6C / Embarcações e aviões',
});

void test('P053/P054 four treatments require every own condition;unknown and false never become exempt zero or ordinary tax', () => {
    for (const id of ids) {
        const input = row(id),
            rule = importExemptionRules.find((r) => r.id === id);
        assert.equal(evaluateImportExemption(input, 'MZN').importVat, '0.00');
        for (const [key] of rule.conditions)
            for (const value of ['', 'no', 'unknown']) {
                const result = evaluateImportExemption(
                    {
                        ...input,
                        conditions: { ...input.conditions, [key]: value },
                    },
                    'MZN',
                );
                assert.equal(
                    result.status,
                    value === 'no' ? 'not_applicable' : 'indeterminate',
                );
                assert.equal(result.importVat, null);
            }
        for (const patch of [
            { period: '2025-12' },
            { currency: 'USD' },
            { evidence: '' },
            { documentRef: '' },
            { documentDate: '2026-02-30' },
        ])
            assert.equal(
                evaluateImportExemption({ ...input, ...patch }, 'MZN')
                    .importVat,
                null,
            );
        assert.deepEqual(input, row(id));
    }
    assert.equal(
        new Set(
            ids.map(
                (id) => importExemptionRules.find((r) => r.id === id).branch,
            ),
        ).size,
        2,
    );
});

void test('import definitions reuse accepted vessel/aircraft eligibility;principal asset does not substitute for linked object', () => {
    assert.equal(
        importExemptionRules.find((r) => r.id === ids[0]).conditions[0][1],
        internationalShipEligibility,
    );
    assert.equal(
        importExemptionRules.find((r) => r.id === ids[2]).conditions[0][1],
        internationalAircraftEligibility,
    );
    assert.ok(
        internationalAssetTreatments
            .find((r) => r.id === 'international_ship_operations')
            .conditions.includes(internationalShipEligibility),
    );
    assert.ok(
        internationalAssetTreatments
            .find((r) => r.id === 'international_aircraft_operations')
            .conditions.includes(internationalAircraftEligibility),
    );
    assert.match(
        internationalAircraftEligibility,
        /principalmente.*internacional/,
    );
    assert.match(internationalAircraftEligibility, /voo internacional isolado/);
    const ship = row();
    const object = { ...ship, treatment: 'ship_operation_object_import' };
    assert.equal(
        evaluateImportExemption(object, 'MZN').status,
        'indeterminate',
    );
    assert.equal(object.conditions.importedShip, 'yes');
    assert.equal(object.documentRef, ship.documentRef);
    assert.equal(
        evaluateImportExemption(
            {
                ...object,
                conditions: { ...object.conditions, shipObjectLink: 'yes' },
            },
            'MZN',
        ).status,
        'exempt',
    );
    assert.equal(
        evaluateImportExemption(
            {
                ...row('aircraft_operation_object_import'),
                conditions: {
                    eligibleAircraft: 'yes',
                    importedAircraft: 'yes',
                },
            },
            'MZN',
        ).status,
        'indeterminate',
    );
    assert.match(importRuleSource(ids[1]), /12\(1\)\(h\/i\)/);
    assert.match(importRuleSource(ids[3]), /13\(1\)\(f\/g\)/);
});

void test('classification archives unknown and failed versions;edits preserve earlier result and mark it historical', () => {
    const d = draft(),
        input = row();
    let book = recordImportExemptions(d, {
        rows: [{ ...input, conditions: { eligibleShip: 'yes' } }],
    });
    assert.equal(book.result.rows[0].status, 'indeterminate');
    book = recordImportExemptions(d, {
        ...book,
        rows: [
            {
                ...input,
                conditions: { ...input.conditions, eligibleShip: 'no' },
            },
        ],
    });
    assert.equal(book.result.rows[0].status, 'not_applicable');
    book = recordImportExemptions(d, { ...book, rows: ids.map(row) });
    assert.equal(book.history.length, 2);
    assert.equal(book.history[0].rows[0].importVat, null);
    assert.equal(book.history[1].rows[0].importVat, null);
    assert.ok(importExemptionCurrent(d, book));
    for (const patch of [
        { currency: 'USD' },
        { context_opportunity: 'opportunity:331' },
        { selection_labels: { province_id: 'Maputo' } },
    ])
        assert.ok(!importExemptionCurrent({ ...d, ...patch }, book));
    assert.ok(
        !importExemptionCurrent(d, {
            ...book,
            rows: [{ ...input, declaredValue: '4100' }],
        }),
    );
});

void test('save/recover/report preserve23acceptedbooks current;only new asset treatments add version and do not populate field11', () => {
    const d = draft(),
        prior = JSON.parse(frozen.modelo_a_snapshot);
    let book = recordImportExemptions(d, {
        rows: ids.map((id) => ({ ...row(id), conditions: {} })),
    });
    book = recordImportExemptions(d, { ...book, rows: ids.map(row) });
    d.modelo_a_snapshot = saveImportExemptionBook(d, book);
    assert.deepEqual(importExemptionBook(JSON.parse(JSON.stringify(d))), book);
    assert.match(book.result.sourceKey, /import-assets\/1/);
    assert.doesNotMatch(book.result.sourceKey, /beneficiaryVersion/);
    assert.match(book.result.source, /12\(1\)\(h\/i\)/);
    const next = JSON.parse(d.modelo_a_snapshot);
    assert.deepEqual(next.salesOperations, prior.salesOperations);
    assert.deepEqual(next.books, prior.books);
    for (const [scope, imports] of Object.entries(prior.importExemptions)) {
        assert.deepEqual(next.importExemptions[scope], imports);
        assert.ok(
            importExemptionCurrent(
                { ...d, context_opportunity: scope },
                imports,
            ),
        );
    }
    for (const [scope, sales] of Object.entries(next.salesOperations))
        assert.ok(salesCurrent({ ...d, context_opportunity: scope }, sales));
    assert.ok(
        acquisitionCurrent(
            { ...d, context_opportunity: 'opportunity:329' },
            next.books['opportunity:329'],
        ),
    );
    assert.equal(
        next.books['opportunity:329'].result.periods[0].fields['11'],
        null,
    );
    assert.equal(
        next.books['opportunity:329'].result.periods[0].fields['17'],
        null,
    );
    const report = JSON.stringify(
        createProjectDossierReport(d, {
            selectedSections: new Set(['finance']),
            version: 'QA G6C',
        }),
    );
    for (const token of [
        'P053',
        'P054',
        'opportunity:332',
        'Manica',
        '2026-12',
        'SYNTHETIC QA G6C',
        '0.00',
        '12(1)(h/i)',
        'campo11',
        ...ids,
    ])
        assert.ok(report.includes(token), token);
    if (process.env.IVA_G6C_CALCULATED)
        fs.writeFileSync(process.env.IVA_G6C_CALCULATED, JSON.stringify(d));
});