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

const script = (await readFile(new URL('../../scripts/deploy-production.sh', import.meta.url), 'utf8'))
  .replaceAll('\r\n', '\n')
const compose = (await readFile(new URL('../../docker-compose.production.yml', import.meta.url), 'utf8'))
  .replaceAll('\r\n', '\n')

test('client production deployment switches healthy blue-green slots atomically', () => {
  const start = script.indexOf('compose run -d --no-deps --name "$candidate"')
  const health = script.indexOf('docker exec "$candidate" wget')
  const nginx = script.indexOf('nginx -t || ! nginx -s reload')
  const stop = script.indexOf('docker stop --time 30 "$active_container"')
  assert.ok(start >= 0 && start < health && health < nginx && nginx < stop)
  assert.match(script, /target_port=\$\(\(base_port \+ 10000\)\)/)
  assert.match(script, /cp -f "\$backup" "\$nginx_config"/)
})

test('client uses stable active gateway aliases on the routing network', () => {
  assert.match(compose, /API_UPSTREAM: "http:\/\/gateway-active:9000"/)
  assert.match(compose, /OVERSEAS_API_UPSTREAM: "http:\/\/gateway-overseas-active:9300"/)
  assert.match(compose, /name: firstleg-production-routing/)
})