const test = require('node:test');
const assert = require('node:assert/strict');
const {
    buildWhatsappCampaignPayload,
    formatProductList,
    formatProductNameForDisplay,
    groupCampaignRows,
    groupCampaignRowsByBaseProduct,
    isCampaignEligibleProductName,
    mapCampaignProducts
} = require('../services/campaignFormatter');

const row = (overrides) => ({
    id: 1,
    base_product_name: 'BASE LISA CAMISETA COR BRANCO',
    produto_id: 'SKU-1',
    nome: 'BASE LISA CAMISETA COR BRANCO TAMANHO - P',
    saldo: 10,
    delta_estoque: 10,
    status: 'pending',
    attempts: 0,
    last_error: null,
    created_at: '2026-05-28T10:00:00.000Z',
    updated_at: '2026-05-28T10:00:00.000Z',
    sent_at: null,
    ...overrides
});

test('formatProductList uses inline bullet separators', () => {
    assert.equal(formatProductList([]), '');
    assert.equal(formatProductList(['BONÉ - PRETO']), 'Boné - Preto');
    assert.equal(formatProductList(['BONÉ - PRETO', 'BASE BRANCA']), 'Boné - Preto • Base Branca');
    assert.equal(
        formatProductList(['BONÉ - PRETO', 'BASE BRANCA', 'BASE PRETA']),
        'Boné - Preto • Base Branca • Base Preta'
    );
});

test('formatProductNameForDisplay converts campaign product names to title case', () => {
    assert.equal(
        formatProductNameForDisplay('BASE LISA MOLETOM CANGURU COR PRETO'),
        'Moletom Canguru Premium Cor Preto'
    );
    assert.equal(formatProductNameForDisplay('BONÉ - BRANCO'), 'Boné - Branco');
});

test('formatProductNameForDisplay applies customer-facing campaign aliases', () => {
    assert.equal(
        formatProductNameForDisplay('BASE LISA CAMISETA COR AZUL'),
        'Camiseta Premium Cor Azul'
    );
    assert.equal(
        formatProductNameForDisplay('BASE LISA OVER SIZE COR PRETO'),
        'Camiseta Premium Over Size Cor Preto'
    );
    assert.equal(
        formatProductNameForDisplay('BASE LISA MOLETOM CANGURU COR PRETO'),
        'Moletom Canguru Premium Cor Preto'
    );
});

test('isCampaignEligibleProductName allows only customer-facing apparel campaigns', () => {
    [
        'Camiseta Premium Cor Bordo',
        'Camiseta Premium Cor Preto',
        'Moletom Canguru Premium Cor Preto',
        'IMPRESSÃO DTF PERSONALIZADO 57X100 (1 METRO)',
        'BASE LISA CAMISETA COR PRETO TAMANHO - G',
        'BASE LISA MOLETOM CANGURU COR PRETO'
    ].forEach(name => {
        assert.equal(isCampaignEligibleProductName(name), true, name);
    });

    [
        'Ilhos Com Arruela',
        'Atacador 001 Chato Preto 1,20 Mt',
        '2099 Ribana 2x1 Cor Bordo',
        '2001.09 Ribana 2x1 Cor Cinza',
        '2001.09 Malha Camiseta 30oe Cor Cinza',
        '201 Malha Camiseta 30oe Cor Preto',
        '4006 Malha Camiseta 30oe Cor Marinho',
        'TINTA DTF 1 LITRO - BRANCO',
        'FILME DTF ROLO 60CM',
        'POLIAMIDA EM PÓ PARA DTF - 1 KG',
        'SALDO ESTOQUE CAMISETA'
    ].forEach(name => {
        assert.equal(isCampaignEligibleProductName(name), false, name);
    });
});

test('isCampaignEligibleProductName keeps accessories out of WhatsApp apparel campaigns', () => {
    assert.equal(isCampaignEligibleProductName('BONÉ - PRETO'), false);
});

test('mapCampaignProducts accumulates split deltas by base product', () => {
    const groups = groupCampaignRowsByBaseProduct([
        row({ id: 1, delta_estoque: 10, produto_id: 'SKU-P', nome: 'Produto Split TAMANHO - P' }),
        row({ id: 2, delta_estoque: 50, produto_id: 'SKU-M', nome: 'Produto Split TAMANHO - M' }),
        row({ id: 3, delta_estoque: 40, produto_id: 'SKU-G', nome: 'Produto Split TAMANHO - G' })
    ]);

    const products = mapCampaignProducts(groups);

    assert.equal(products.length, 1);
    assert.equal(products[0].total_delta, 100);
    assert.deepEqual(products[0].itemIds, [3, 2, 1]);
    assert.deepEqual(products[0].sizes.map(size => size.id), ['SKU-G', 'SKU-M', 'SKU-P']);
});

test('buildWhatsappCampaignPayload combines multiple ready products into one message payload', () => {
    const products = mapCampaignProducts(groupCampaignRowsByBaseProduct([
        row({
            id: 1,
            base_product_name: 'BONÉ - PRETO',
            produto_id: 'BONE-P',
            nome: 'BONÉ - PRETO TAMANHO - P',
            delta_estoque: 100,
            created_at: '2026-05-28T10:00:00.000Z'
        }),
        row({
            id: 2,
            base_product_name: 'BASE LISA CAMISETA COR BRANCO',
            produto_id: 'BASE-P',
            nome: 'BASE LISA CAMISETA COR BRANCO TAMANHO - P',
            delta_estoque: 100,
            created_at: '2026-05-28T11:00:00.000Z'
        })
    ]));
    const payload = buildWhatsappCampaignPayload(products, [{ nome: 'Cliente', fone: '5511999999999' }]);

    assert.equal(payload.productsText, 'Boné - Preto • Camiseta Premium Cor Branco');
    assert.equal(payload.baseProduct, payload.productsText);
    assert.equal(payload.total_delta, 200);
    assert.equal(payload.products.length, 2);
    assert.equal(payload.sizes.length, 2);
    assert.deepEqual(Object.keys(payload.products[0]).includes('itemIds'), false);
});

test('groupCampaignRows summarizes rows by base product and status', () => {
    const groups = groupCampaignRows([
        row({ id: 1, delta_estoque: 60, attempts: 1, updated_at: '2026-05-28T10:00:00.000Z' }),
        row({ id: 2, delta_estoque: 40, attempts: 2, updated_at: '2026-05-28T10:05:00.000Z' }),
        row({
            id: 3,
            base_product_name: 'BONÉ - PRETO',
            status: 'failed',
            delta_estoque: 100,
            attempts: 3,
            last_error: 'Webhook failed',
            updated_at: '2026-05-28T11:00:00.000Z'
        })
    ]);

    assert.equal(groups.length, 2);
    assert.equal(groups[0].baseProductName, 'BONÉ - PRETO');
    assert.equal(groups[0].lastError, 'Webhook failed');
    assert.equal(groups[1].baseProductName, 'BASE LISA CAMISETA COR BRANCO');
    assert.equal(groups[1].totalDelta, 100);
    assert.equal(groups[1].rowCount, 2);
    assert.equal(groups[1].attempts, 2);
});