import assert from 'node:assert/strict'
import fs from 'node:fs'
import path from 'node:path'
import test from 'node:test'
import { fileURLToPath } from 'node:url'

import { run } from './phase4-overseas-pda.mjs'

const here = path.dirname(fileURLToPath(import.meta.url))
const source = fs.readFileSync(path.join(here, 'phase4-overseas-pda.mjs'), 'utf8')

test('PDA module is injected, token-scoped, traceable, and contains no direct network or secret source', () => {
  assert.match(source, /export async function run\(context\)/)
  assert.match(source, /requestOverseas\(/)
  assert.match(source, /requestOverseasMultipart\(/)
  assert.match(source, /requestId=/)
  assert.match(source, /traceId=/)
  assert.doesNotMatch(source, /https?:\/\//)
  assert.doesNotMatch(source, /fetch\(|process\.env/)
  assert.doesNotMatch(source, /planNo|allocationId/)
})

test('PDA module covers the container-number receiving contract and excludes outbound domains', () => {
  for (const token of ['/candidates', '/prepare', '/current/unload-photos/files', '/current/sign',
    '/current/skus/resolve', '/current/cartons/resolve', '/current/pallets/resolve',
    '/current/receipts/bulk', '/current/receipts/carton', '/current/complete']) assert.ok(source.includes(token), token)
  for (const role of ['LICENSE_PLATE', 'CONTAINER_SEAL', 'DOOR_OPEN']) assert.ok(source.includes(role), role)
  for (const forbidden of ['/outbound', '/dispatch', '/delivery', '/internal/']) assert.equal(source.includes(forbidden), false, forbidden)
  assert.match(source, /同键同载荷重放/)
  assert.match(source, /同键异载荷冲突/)
  assert.match(source, /跨柜切换锁返回409/)
  assert.match(source, /超收被拒绝/)
  assert.match(source, /重复箱新键被拒绝/)
  assert.match(source, /模式硬拒绝/)
  assert.match(source, /current返回404正常空态/)
  assert.match(source, /安全扫描被拒绝/)
  assert.match(source, /retained as acceptance evidence/)
})

test('missing customer fixture is a deployment blocker and performs no HTTP request', async () => {
  const calls = []; const gaps = []; const steps = []
  const context = {
    marker: 'PDA-CONTRACT', context: {}, createdResources: {},
    async request(...args) { calls.push(args); throw new Error('must not request without credentials') },
    async requestOverseas(...args) { calls.push(args); throw new Error('must not request without credentials') },
    async requestOverseasMultipart(...args) { calls.push(args); throw new Error('must not request without credentials') },
    addStep(...args) { steps.push(args) },
    assert(module, name, response, passed, evidence, options) { steps.push({ module, name, passed, evidence, options }) },
    addCoverageGap(...args) { gaps.push(args) },
  }
  await run(context)
  assert.equal(calls.length, 0)
  assert.equal(gaps.length, 1)
  assert.equal(gaps[0][5].deploymentBlocker, true)
  assert.equal(steps.length, 1)
  assert.equal(steps[0].passed, false)
  assert.equal(steps[0].options.deploymentBlocker, true)
})

test('empty candidate response cannot become a zero-business-request pass', async () => {
  const calls = []; const gaps = []; const steps = []
  const response = (data, requestPath, method = 'GET') => ({ method, path: requestPath, http: 200,
    body: { code: '200', data }, requestId: 'req-contract', traceId: 'trace-contract' })
  const context = {
    marker: 'PDA-CONTRACT', overseasToken: '', createdResources: {},
    context: { merchantQualificationFixture: { tenantId: '9', username: 'merchant', password: 'generated' } },
    async request(method, requestPath) {
      calls.push({ channel: 'domestic', method, requestPath })
      return response({ overseasAccessToken: 'pda-token' }, requestPath, method)
    },
    async requestOverseas(method, requestPath) {
      calls.push({ channel: 'overseas', method, requestPath })
      if (requestPath.endsWith('/current')) return { method, path: requestPath, http: 200,
        body: { code: 'A0404', message: 'not found' }, requestId: 'req-current', traceId: 'trace-current' }
      return response([], requestPath, method)
    },
    addStep(module, name, result, passed, evidence, options) { steps.push({ module, name, result, passed, evidence, options }) },
    assert(module, name, result, passed, evidence, options) { steps.push({ module, name, result, passed, evidence, options }) },
    addCoverageGap(...args) { gaps.push(args) },
  }
  await run(context)
  assert.ok(calls.some((call) => call.requestPath.endsWith('/candidates')))
  assert.ok(steps.some((step) => step.name.includes('正常空态') && step.passed))
  assert.ok(steps.some((step) => step.name.includes('PDA柜号候选覆盖前置') && !step.passed && step.options.deploymentBlocker))
  assert.equal(gaps.length, 1)
  assert.equal(context.createdResources.phase4OverseasPda.finalStatus, null)
})