import assert from 'node:assert/strict';
import test from 'node:test';

import { buildCutPlan, buildOpenProductionByProductId, classifyCutFamily } from './cutting.ts';
import type { DateRange, ProductAnalyticsItem, ProductionOrderItem } from '../types.ts';

const range: DateRange = {
  start: new Date(2026, 6, 1),
  end: new Date(2026, 6, 7)
};

const product = (overrides: Partial<ProductAnalyticsItem>): ProductAnalyticsItem => ({
  id: 'SKU-1',
  name: 'BASE LISA CAMISETA COR PRETO TAMANHO - M',
  quantitySold: 70,
  revenue: 700,
  orderLineCount: 10,
  lastPrice: 10,
  stock: 20,
  firstSaleDate: '2026-07-01',
  lastSaleDate: '2026-07-07',
  ...overrides
});

const productionOrder = (overrides: Partial<ProductionOrderItem>): ProductionOrderItem => ({
  id: 1,
  tinyId: '',
  number: 'OP-1',
  status: 'in_progress',
  statusLabel: 'Em andamento',
  orderReference: '',
  issueDate: '2026-07-01',
  expectedDate: '2026-07-15',
  productSku: '',
  productDescription: 'BASE LISA CAMISETA COR PRETO TAMANHO - M',
  quantity: 40,
  unit: 'UN',
  integrationStatus: '',
  markers: [],
  createdAt: null,
  updatedAt: null,
  ...overrides
});

test('classifyCutFamily maps known product bases to internal cut families', () => {
  assert.equal(classifyCutFamily('BASE LISA CAMISETA').key, 'BLCS');
  assert.equal(classifyCutFamily('BASE LISA CAMISETA OVER').key, 'BLOS');
  assert.equal(classifyCutFamily('BASE LISA MOLETOM CANGURU').key, 'BLPM');
  assert.equal(classifyCutFamily('BONÉ').key, 'OUTROS');
});

test('buildCutPlan calculates projected cut need from sales pace and stock', () => {
  const plan = buildCutPlan([product({})], range, 14);
  const [row] = plan.needRows;

  assert.equal(row.dailySales, 10);
  assert.equal(row.projectedDemand, 140);
  assert.equal(row.availableQuantity, 20);
  assert.equal(row.suggestedCutQuantity, 120);
  assert.equal(row.estimatedRolls, null);
  assert.deepEqual(row.issues, ['missing_yield_rule']);
  assert.equal(plan.summary.suggestedCutQuantity, 120);
});

test('buildCutPlan subtracts open production quantity from suggested cut need', () => {
  const plan = buildCutPlan([product({ id: 'SKU-1' })], range, 14, { 'SKU-1': 100 });
  const [row] = plan.needRows;

  assert.equal(row.availableQuantity, 120);
  assert.equal(row.suggestedCutQuantity, 20);
});

test('buildCutPlan estimates rolls when a family yield is configured', () => {
  const plan = buildCutPlan([product({})], range, 14, {}, { familyYields: { BLCS: 50 } });
  const [row] = plan.needRows;

  assert.equal(row.suggestedCutQuantity, 120);
  assert.equal(row.estimatedRolls, 3);
  assert.deepEqual(row.issues, []);
  assert.equal(plan.summary.estimatedRolls, 3);
});

test('buildCutPlan applies per-product planning overrides to finished apparel', () => {
  const plan = buildCutPlan([
    product({
      id: 'SKU-2',
      name: 'CAMISETA SEM PADRAO',
      quantitySold: 70,
      stock: 0
    })
  ], range, 7, {}, {
    familyYields: { BLCS: 35 },
    productOverrides: {
      'SKU-2': { familyKey: 'BLCS', color: 'Preto', size: 'M' }
    }
  });

  assert.equal(plan.needRows[0].family.key, 'BLCS');
  assert.equal(plan.needRows[0].color, 'Preto');
  assert.equal(plan.needRows[0].size, 'M');
  assert.equal(plan.needRows[0].estimatedRolls, 2);
  assert.deepEqual(plan.needRows[0].issues, []);
});

test('buildCutPlan excludes non-apparel products from cut planning', () => {
  const plan = buildCutPlan([
    product({
      id: 'SKU-2',
      name: 'BONÉ PRETO',
      quantitySold: 70,
      stock: 0
    }),
    product({
      id: 'SKU-3',
      name: 'TRANSPARENTE PP MILHEIRO - 25x35',
      quantitySold: 70,
      stock: 0
    })
  ], range, 7);

  assert.equal(plan.rows.length, 0);
  assert.equal(plan.summary.skuCount, 0);
});

test('buildOpenProductionByProductId matches open OPs by SKU and normalized product variant', () => {
  const products = [
    product({ id: 'SKU-1' }),
    product({ id: 'SKU-2', name: 'BASE LISA CAMISETA COR BRANCO TAMANHO - G' })
  ];
  const totals = buildOpenProductionByProductId(products, [
    productionOrder({ productSku: 'SKU-1', productDescription: '', quantity: 10 }),
    productionOrder({ productSku: '', productDescription: 'Base Lisa Camiseta Cor Branco Tamanho - G', quantity: 20 }),
    productionOrder({ productSku: 'SKU-1', status: 'finished', quantity: 999 })
  ]);

  assert.deepEqual(totals, { 'SKU-1': 10, 'SKU-2': 20 });
});

test('buildCutPlan marks apparel products that cannot be planned cleanly for cutting', () => {
  const plan = buildCutPlan([
    product({
      id: 'SKU-2',
      name: 'VESTUARIO SEM PADRAO',
      quantitySold: 70,
      stock: 0
    })
  ], range, 7);

  assert.equal(plan.needRows[0].family.key, 'OUTROS');
  assert.deepEqual(plan.needRows[0].issues, ['missing_family_rule', 'missing_color', 'missing_size']);
  assert.equal(plan.summary.rowsWithIssues, 1);
});