import test from 'node:test';
import assert from 'node:assert/strict';
import fs from 'node:fs';
import {
    newCompositionBase,
    newCompositionPart,
    switchCompositionPart,
    compositionTreatments,
    compositionConditions,
    evaluateComposition,
    recordCompositions,
    saveCompositionBook,
    compositionBook,
    compositionCurrent,
    compositionReportRows,
} from '../../resources/js/lib/iva-composition-base.ts';
import { noncashBaseCurrent } from '../../resources/js/lib/iva-noncash-base.ts';
import { fuelBaseCurrent } from '../../resources/js/lib/iva-fuel-base.ts';
import { createProjectDossierReport } from '../../resources/js/lib/project-dossier-report.ts';
const frozen = JSON.parse(
    fs.readFileSync(
        new URL('./fixtures/iva-g7f-preserved-inputs.json', import.meta.url),
        'utf8',
    ),
);
const part = (treatment = 'tax_component', id = treatment) => ({
    ...newCompositionPart(id),
    treatment,
    description:
        'SYNTHETIC QA ' +
        (treatment === 'tax_component'
            ? 'imposição A'
            : 'transporte por conta do cliente'),
    amount: treatment === 'tax_component' ? '100.10' : '50.25',
    included: 'no',
    reference: 'SYNTHETIC QA referência ' + id,
    natureConfirmed: 'yes',
    ownVatExcluded: 'yes',
});
const row = () => ({
    ...newCompositionBase('g7f-operation-A', 'MZN'),
    description: 'SYNTHETIC QA composição operação A',
    period: '2026-12',
    operationRef: 'SYNTHETIC QA operação A',
    initialAmount: '1000.25',
    initialRef: 'SYNTHETIC QA preço sem próprioIVA/exclusões15(6)consideradas',
    documentRef: 'SYNTHETIC QA G7F documento A',
    documentDate: '2026-12-12',
    compositionRef:
        'SYNTHETIC QA parcelas A,B e montante inicial reconciliados,sem duplicação',
    evidence: 'SYNTHETIC QA pressupostos expressos,não documento real',
    conditions: Object.fromEntries(
        compositionConditions.map(([key]) => [key, 'yes']),
    ),
    parts: compositionTreatments.map((t) => part(t.id)),
});
const draft = () => ({
    ...structuredClone(frozen),
    context_opportunity: 'opportunity:344',
    project_title: 'SYNTHETIC QA — G7F / Composição da contraprestação',
});

void test('P101 operation and each tax/accessory condition required;ownIVA or wrong nature not silently included', () => {
    const input = row(),
        ok = evaluateComposition(input, 'MZN');
    assert.equal(ok.baseAmount, '1150.60');
    assert.equal(ok.vat, null);
    assert.equal(ok.rate, null);
    for (const [key] of compositionConditions)
        for (const value of ['', 'unknown', 'no']) {
            const r = evaluateComposition(
                { ...input, conditions: { ...input.conditions, [key]: value } },
                'MZN',
            );
            assert.equal(
                r.status,
                value === 'no' ? 'not_applicable' : 'indeterminate',
            );
            assert.equal(r.baseAmount, null);
        }
    for (const t of compositionTreatments)
        for (const key of ['natureConfirmed', 'ownVatExcluded'])
            for (const value of ['', 'unknown', 'no']) {
                const p = { ...part(t.id), [key]: value },
                    r = evaluateComposition({ ...input, parts: [p] }, '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: '' },
        { operationRef: '' },
        { initialRef: '' },
        { documentRef: '' },
        { documentDate: '2026-02-30' },
        { compositionRef: '' },
        { evidence: '' },
        { period: '2025-12' },
        { currency: 'USD' },
    ])
        assert.equal(
            evaluateComposition({ ...input, ...patch }, 'MZN').baseAmount,
            null,
        );
    for (const patch of [
        { treatment: '' },
        { description: '' },
        { reference: '' },
        { included: '' },
        { included: 'unknown' },
        { amount: '' },
    ])
        assert.equal(
            evaluateComposition(
                { ...input, parts: [{ ...part(), ...patch }] },
                'MZN',
            ).baseAmount,
            null,
        );
});

void test('single operation base adds missing components only;alreadyincluded does not doublecount;exactdecimal and preserved edits', () => {
    const input = row();
    for (const [parts, expected] of [
        [[part('tax_component')], '1100.35'],
        [[part('accessory_component')], '1050.50'],
        [
            [{ ...part(), included: 'yes' }, part('accessory_component')],
            '1050.50',
        ],
        [input.parts.map((p) => ({ ...p, included: 'yes' })), '1000.25'],
    ])
        assert.equal(
            evaluateComposition({ ...input, parts }, 'MZN').baseAmount,
            expected,
        );
    assert.equal(
        evaluateComposition(
            {
                ...input,
                initialAmount: '0',
                parts: [{ ...part(), amount: '0' }],
            },
            'MZN',
        ).baseAmount,
        '0.00',
    );
    assert.equal(
        evaluateComposition(
            {
                ...input,
                initialAmount: '1.000002',
                parts: [{ ...part(), amount: '0.000001' }],
            },
            'MZN',
        ).baseAmount,
        '1.000003',
    );
    assert.equal(
        evaluateComposition(
            {
                ...input,
                initialAmount: '999999999999999.999999',
                parts: [{ ...part(), amount: '999999999999999.999999' }],
            },
            'MZN',
        ).baseAmount,
        '1999999999999999.999998',
    );
    for (const amount of ['-1', 'NaN', '0.0000001', ''])
        assert.equal(
            evaluateComposition(
                { ...input, parts: [{ ...part(), amount }] },
                'MZN',
            ).baseAmount,
            null,
        );
    assert.equal(
        evaluateComposition({ ...input, initialAmount: '' }, 'MZN').baseAmount,
        null,
    );
    const switched = switchCompositionPart(part(), 'accessory_component');
    assert.equal(switched.natureConfirmed, '');
    assert.equal(switched.amount, '100.10');
    assert.equal(switched.reference, part().reference);
    assert.equal(
        evaluateComposition({ ...input, parts: [switched] }, 'MZN').baseAmount,
        null,
    );
    assert.equal(
        evaluateComposition({ ...input, parts: [] }, 'MZN').baseAmount,
        null,
    );
    assert.equal(
        evaluateComposition({ ...input, parts: [part(), part()] }, 'MZN')
            .baseAmount,
        null,
    );
});

void test('save/recovery/history/report keep one base peroperation and all83 previous books/currentkeys unchanged', () => {
    const d = draft(),
        prior = JSON.parse(d.modelo_a_snapshot);
    assert.deepEqual(compositionBook(d), { rows: [] });
    assert.deepEqual(compositionReportRows(d), []);
    let book = recordCompositions(d, { rows: [{ ...row(), conditions: {} }] });
    book = recordCompositions(d, {
        ...book,
        rows: [{ ...row(), parts: [{ ...part(), ownVatExcluded: 'no' }] }],
    });
    book = recordCompositions(d, { ...book, rows: [row()] });
    assert.equal(book.history.length, 2);
    assert.ok(
        book.history.every((h) =>
            h.rows.every((r) => r.baseAmount === null && r.vat === null),
        ),
    );
    assert.ok(compositionCurrent(d, book));
    assert.equal(book.result.rows.length, 1);
    assert.equal(book.result.inputs[0].parts.length, 2);
    for (const field of ['amount', 'included', 'reference', 'treatment'])
        assert.ok(
            !compositionCurrent(d, {
                ...book,
                rows: book.rows.map((r) => ({
                    ...r,
                    parts: r.parts.map((p) => ({ ...p, [field]: 'changed' })),
                })),
            }),
        );
    for (const patch of [
        { context_opportunity: 'opportunity:345' },
        { currency: 'USD' },
        { selection_labels: { province_id: 'Maputo' } },
    ])
        assert.ok(!compositionCurrent({ ...d, ...patch }, book));
    d.modelo_a_snapshot = saveCompositionBook(d, book);
    assert.deepEqual(compositionBook(JSON.parse(JSON.stringify(d))), book);
    const next = JSON.parse(d.modelo_a_snapshot);
    const {
        considerationCompositions: _considerationCompositions,
        ...untouched
    } = next;
    assert.deepEqual(untouched, prior);
    for (const [scope, previous] of Object.entries(prior.noncashBases))
        assert.ok(
            noncashBaseCurrent({ ...d, context_opportunity: scope }, previous),
        );
    for (const [scope, previous] of Object.entries(prior.regulatedFuelBases))
        assert.ok(
            fuelBaseCurrent({ ...d, context_opportunity: scope }, previous),
        );
    assert.equal(
        next.noncashBases['opportunity:343'].result.rows[1].baseAmount,
        '2700.75',
    );
    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.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 G7F',
        }),
    );
    for (const token of [
        'Base P101',
        '1150.60',
        'IVA: Indeterminado',
        'opportunity:344',
        'Manica',
        '2026-12',
        'operação A',
        '15(5)',
        '100.10',
        '50.25',
        'accessory_component',
        'campo11',
    ])
        assert.ok(report.includes(token), token);
    assert.equal(compositionReportRows(d).length, 1);
    assert.deepEqual(
        compositionReportRows({ ...d, context_opportunity: 'opportunity:345' }),
        [],
    );
    if (process.env.IVA_G7F_CALCULATED)
        fs.writeFileSync(process.env.IVA_G7F_CALCULATED, JSON.stringify(d));
});

void test('corrupt nested components/store cannot overwrite originals;duplicate operation ids cannot be recorded', () => {
    const d = draft(),
        original = d.modelo_a_snapshot;
    for (const patch of [
        { initialAmount: 4 },
        { conditions: [] },
        { parts: {} },
        { parts: [{ ...part(), amount: 4 }] },
        { parts: [null] },
    ])
        assert.throws(
            () => saveCompositionBook(d, { rows: [{ ...row(), ...patch }] }),
            /originais preservados/,
        );
    assert.equal(d.modelo_a_snapshot, original);
    assert.throws(
        () => recordCompositions(d, { rows: [row(), row()] }),
        /distintos/,
    );
    assert.throws(() => recordCompositions(d, { rows: [] }), /distintos/);
    assert.throws(
        () =>
            compositionBook({
                ...d,
                modelo_a_snapshot: JSON.stringify({
                    ...JSON.parse(original),
                    considerationCompositions: [],
                }),
            }),
        /originais preservados/,
    );
});