import assert from 'node:assert/strict'
import test from 'node:test'
import { readFileSync } from 'node:fs'
import { fileURLToPath } from 'node:url'
import { stableLinkSnapshot } from './phase3-loading-model-bridge.mjs'

const source = readFileSync(fileURLToPath(new URL('./phase3-loading-model-bridge.mjs', import.meta.url)), 'utf8')

test('bridge acceptance treats an existing pair as a read-only idempotent replay', () => {
  assert.match(source, /已由推送建立的同一桥接 pair 重放返回原关联/)
  assert.match(source, /桥接 pair 重放不改关联身份、状态或双侧版本/)
  assert.doesNotMatch(source, /桥接同幂等键不同版本请求拒绝且不产生部分更新/)
})

test('bridge replay comparison freezes stable identity status and both versions', () => {
  const link = {
    id: '1', tenantId: '10', inboundId: '20', preloadPlanId: '30', preloadStatus: 'PENDING',
    preloadVersion: 3, loadingPlanId: '40', containerBookingId: '50', containerNo: null,
    loadingPlanStatus: 'EDITING', loadingPlanVersion: 4, allocatedPackageCount: 8,
    linkedAt: '2026-08-15T09:00:00', ignoredTransportField: 'not-part-of-the-link-contract',
  }
  assert.deepEqual(stableLinkSnapshot({ ...link, ignoredTransportField: 'changed' }), stableLinkSnapshot(link))
  assert.notDeepEqual(stableLinkSnapshot({ ...link, loadingPlanVersion: 5 }), stableLinkSnapshot(link))
  assert.notDeepEqual(stableLinkSnapshot({ ...link, preloadVersion: 4 }), stableLinkSnapshot(link))
  assert.notDeepEqual(stableLinkSnapshot({ ...link, allocatedPackageCount: 7 }), stableLinkSnapshot(link))
})