import test from 'brittle'
import {
  parseCidr,
  cidrsOverlap,
  nextFreePort,
} from '../server/utils/suggestions.js'

test('parseCidr and overlap detection', (t) => {
  const a = parseCidr('172.17.0.0/16')
  const b = parseCidr('172.17.5.0/24')
  const c = parseCidr('172.18.0.0/16')
  t.ok(a)
  t.ok(cidrsOverlap(a, b))
  t.not(cidrsOverlap(a, c))
  t.is(parseCidr('bad'), null)
})

test('nextFreePort skips used', (t) => {
  t.is(nextFreePort(8080, [8080, 8081]), 8082)
  t.is(nextFreePort(80, []), 80)
})

test('MethodRoles cover suggestion methods', async (t) => {
  const { Methods, MethodRoles, roleAllows, Roles } = await import('../shared/protocol.js')
  for (const m of [
    Methods.getHostSnapshot,
    Methods.suggestNetworkIPAM,
    Methods.suggestFromImage,
    Methods.suggestDefaults,
    Methods.listUsedHostPorts,
    Methods.suggestResourceName,
  ]) {
    t.ok(MethodRoles[m], m)
    t.ok(roleAllows(Roles.viewer, m), `viewer can ${m}`)
  }
})