import assert from 'node:assert/strict'
import { readFileSync } from 'node:fs'
import test from 'node:test'

import {
  confirmedNetSummary,
  normalizedGrossKg,
  selectWeightPallet,
  workspaceWeightMatchesBaseline,
} from './inbound-weight-ocr.mjs'

test('selects a stable complete pallet snapshot without status or availability', () => {
  const selected = selectWeightPallet([
    { palletId: '20', palletCode: 'P-20', palletType: 'STANDARD', capacityCbm: 2, tareWeightKg: 18.5 },
    { palletId: '3', palletCode: 'P-03', palletType: 'STANDARD', capacityCbm: 1.5, tareWeightKg: 12 },
  ])
  assert.equal(selected.palletId, '3')
  assert.equal(selectWeightPallet([]), null)
  assert.equal(selectWeightPallet([
    { palletId: '3', palletCode: 'P-03', palletType: 'STANDARD', capacityCbm: 1.5 },
  ]), null)
})

test('normalizes gross weight and summarizes confirmed net weight only', () => {
  assert.equal(normalizedGrossKg(50.125, 'LB'), 22.736)
  assert.equal(normalizedGrossKg(30, 'KG'), 30)
  assert.equal(normalizedGrossKg(30, 'UNKNOWN'), null)
  assert.deepEqual(confirmedNetSummary({ weightResults: [
    { recognitionStatus: 'CONFIRMED', netWeightKg: 11.5 },
    { recognitionStatus: 'PENDING_CONFIRM', netWeightKg: 99 },
    { recognitionStatus: 'CONFIRMED', netWeightKg: 2.125 },
  ] }), { count: 2, complete: true, total: 13.625 })
})

test('cleanup restores a non-empty carton fallback when there were no confirmed images', () => {
  const initial = { actualGrossWeightKg: 54.4, weightResults: [] }
  assert.deepEqual(confirmedNetSummary(initial), { count: 0, complete: true, total: 0 })
  assert.equal(workspaceWeightMatchesBaseline({ actualGrossWeightKg: 54.4 }, 54.4), true)
  assert.equal(workspaceWeightMatchesBaseline({ actualGrossWeightKg: null }, 54.4), false)
  assert.equal(workspaceWeightMatchesBaseline({ actualGrossWeightKg: null }, null), true)
})

test('HTTP scenario uses pallet option and net weight contracts without legacy final weight', () => {
  const source = readFileSync(new URL('inbound-weight-ocr.mjs', import.meta.url), 'utf8')
  assert.match(source, /\/weight-pallet-options\?tenantId=/)
  assert.ok(source.indexOf('const palletOptionsResponse') < source.lastIndexOf('const uploadPath'))
  assert.match(source, /form\.append\('file'/)
  assert.doesNotMatch(source, /form\.append\('palletId'/)
  assert.match(source, /palletId:\s*id\(pallet\.palletId\)/)
  assert.match(source, /grossWeightKg/)
  assert.match(source, /netWeightKg/)
  assert.match(source, /palletTareWeightKg/)
  assert.doesNotMatch(source, /finalWeightKg/)
  assert.doesNotMatch(source, /pallet\.(?:status|available)/)
  assert.doesNotMatch(source, /platform:pallet:list/)
  assert.match(source, /verifyDeleted\(context, target, original, baselineWorkspaceWeight\)/)
  assert.match(source, /workspaceWeightMatchesBaseline\(cleanup\.workspace, baselineWorkspaceWeight\)/)
  assert.doesNotMatch(source, /verifyDeleted\([^\n]+baselineConfirmedNet/)
})