'use strict';

const test = require('node:test');
const assert = require('node:assert/strict');
const {
  _test: { buildSelectionSupplyDecision, buildSelectionSupplyMetadata },
} = require('../src/services/planningSelectionFissionService');

function completeRow(overrides = {}) {
  return {
    skuCode: 'SKU-A',
    cost: 280,
    finalPrice: 600,
    freightNational: 40,
    installationFee: 0,
    platformCommissionRatio: 0.015,
    marketingAdRatio: 0.025,
    farmingRatio: 0.005,
    aftersaleRatio: 0.05,
    insuranceRatio: 0.05,
    brandUsageRatio: 0,
    operatingProfitRatio: 0.15,
    promotionRatio: 0.1,
    ...overrides,
  };
}

test('company pricing is judged with the saved market price band and profit room', () => {
  const decision = buildSelectionSupplyDecision(
    [completeRow(), completeRow({ skuCode: 'SKU-B', finalPrice: 650 })],
    { marketEvidence: { priceBand: '500-800' } },
    'company'
  );

  assert.equal(decision.status, 'advantage');
  assert.equal(decision.passedSkuCount, 2);
  assert.equal(decision.marketPriceBand, '500-800');
  assert.equal(decision.rows[0].allowedMaxCost, 383);
});

test('missing cost evidence is never treated as zero cost', () => {
  const decision = buildSelectionSupplyDecision(
    [completeRow({ cost: null })],
    { marketEvidence: { priceBand: '500-800' } },
    'company'
  );

  assert.equal(decision.status, 'evidence_insufficient');
  assert.equal(decision.completeSkuCount, 0);
  assert.equal(decision.rows[0].allowedMaxCost, null);
});

test('1688 pricing preserves the company decision in one supply comparison', () => {
  const company = buildSelectionSupplyDecision(
    [completeRow({ promotionRatio: -0.02 })],
    { marketEvidence: { priceBand: '500-800' } },
    'company'
  );
  const alibaba1688 = buildSelectionSupplyDecision(
    [completeRow({ cost: 220, promotionRatio: 0.18 })],
    { marketEvidence: { priceBand: '500-800' } },
    '1688'
  );
  const metadata = buildSelectionSupplyMetadata({
    marketEvidence: { priceBand: '500-800' },
    supplyComparison: { company },
  }, alibaba1688, '1688');

  assert.equal(metadata.supplyComparison.company.status, 'no_advantage');
  assert.equal(metadata.supplyComparison.alibaba1688.status, 'advantage');
  assert.equal(metadata.supplyComparison.finalSource, '1688');
  assert.equal(metadata.supplyDecision.source, '1688');
});