/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

export function fetchFailureDetail(error) {
  const parts = [String(error?.message || 'fetch failed')]
  const cause = error?.cause
  if (cause) {
    const fields = [
      cause.code ? `code=${cause.code}` : '',
      cause.syscall ? `syscall=${cause.syscall}` : '',
      cause.address ? `address=${cause.address}` : '',
      cause.port ? `port=${cause.port}` : ''
    ].filter(Boolean)
    if (cause.message && !parts.includes(cause.message)) {
      parts.push(cause.message)
    }
    if (fields.length) {
      parts.push(fields.join(' '))
    }
  }
  return parts.join('; ')
}

export function isLocalhostPermissionError(error) {
  const detail = fetchFailureDetail(error)
  return detail.includes('EPERM') || detail.includes('EACCES')
}

export function localNetworkHint(error, command) {
  if (isLocalhostPermissionError(error)) {
    return ` If this is a sandbox localhost permission blocker, rerun this command with localhost/127.0.0.1 access: ${command}. Do not switch to Codex in-app Browser (iab).`
  }
  return ` If this environment blocks localhost, run ${command} from the repo root or set MODERN_UI_BASE_URL to a reachable /modern/app/ endpoint; do not switch to Codex in-app Browser (iab).`
}