/**
 * Node.js-compatible `url` for Bare.
 *
 * bare-url is WHATWG-only (no url.resolve / url.parse / url.format).
 * docker-modem (via dockerode) requires the legacy Node API:
 *   url.resolve, url.parse, url.format, url.URL
 *
 * Mapped from package.json imports under the "bare" condition.
 */
'use strict'

let URLImpl
let URLSearchParamsImpl
try {
  const bare = require('bare-url')
  URLImpl = bare.URL || bare
  URLSearchParamsImpl =
    bare.URLSearchParams ||
    (typeof globalThis !== 'undefined' && globalThis.URLSearchParams) ||
    null
} catch {
  URLImpl = globalThis.URL
  URLSearchParamsImpl = globalThis.URLSearchParams
}

const URL = URLImpl

function isAbsoluteUrl(s) {
  return /^[a-zA-Z][a-zA-Z\d+\-.]*:/.test(s)
}

/**
 * Minimal Node url.parse compatible object.
 * @param {string} urlStr
 * @param {boolean} [parseQueryString]
 */
function parse(urlStr, parseQueryString) {
  const input = String(urlStr ?? '')
  try {
    let u
    if (isAbsoluteUrl(input)) {
      u = new URL(input)
    } else if (input.startsWith('//')) {
      u = new URL('http:' + input)
    } else {
      // Path-only / relative — give a dummy base then re-map
      u = new URL(input, 'http://peardock.invalid')
    }

    const dummy = u.hostname === 'peardock.invalid' && !isAbsoluteUrl(input)
    const auth =
      u.username || u.password
        ? decodeURIComponent(u.username) +
          (u.password ? ':' + decodeURIComponent(u.password) : '')
        : null

    const search = u.search || null
    let query = null
    if (search) {
      if (parseQueryString && URLSearchParamsImpl) {
        query = Object.fromEntries(new URLSearchParamsImpl(u.searchParams || search))
      } else {
        query = search.startsWith('?') ? search.slice(1) : search
      }
    }

    const pathname = u.pathname || null
    const path = (pathname || '') + (search || '') || null

    return {
      protocol: dummy ? null : u.protocol || null,
      slashes: dummy ? null : true,
      auth: dummy ? null : auth,
      host: dummy ? null : u.host || null,
      port: dummy ? null : u.port || null,
      hostname: dummy ? null : u.hostname || null,
      hash: u.hash || null,
      search,
      query,
      pathname,
      path,
      href: dummy ? input : u.href,
    }
  } catch {
    return {
      protocol: null,
      slashes: null,
      auth: null,
      host: null,
      port: null,
      hostname: null,
      hash: null,
      search: null,
      query: null,
      pathname: null,
      path: null,
      href: input,
    }
  }
}

/**
 * Minimal Node url.format.
 * @param {string|object} urlObj
 */
function format(urlObj) {
  if (urlObj == null) return ''
  if (typeof urlObj === 'string') return urlObj
  if (typeof URLImpl === 'function' && urlObj instanceof URLImpl) return urlObj.href

  let protocol = urlObj.protocol || ''
  if (protocol && protocol[protocol.length - 1] !== ':') protocol += ':'

  let auth = ''
  if (urlObj.auth) {
    auth = String(urlObj.auth).replace(/@/g, '') + '@'
  }

  let host = ''
  if (urlObj.host != null && urlObj.host !== '') {
    host = String(urlObj.host)
  } else if (urlObj.hostname != null && urlObj.hostname !== '') {
    host = String(urlObj.hostname)
    if (urlObj.port != null && urlObj.port !== '') host += ':' + urlObj.port
  }

  let pathname = urlObj.pathname != null ? String(urlObj.pathname) : ''
  if (pathname && pathname[0] !== '/' && host) pathname = '/' + pathname

  let search = ''
  if (urlObj.search != null && urlObj.search !== '') {
    search = String(urlObj.search)
    if (search[0] !== '?') search = '?' + search
  } else if (urlObj.query != null && urlObj.query !== '') {
    if (typeof urlObj.query === 'string') {
      search = urlObj.query[0] === '?' ? urlObj.query : '?' + urlObj.query
    } else if (typeof urlObj.query === 'object' && URLSearchParamsImpl) {
      const q = new URLSearchParamsImpl(urlObj.query).toString()
      if (q) search = '?' + q
    }
  }

  let hash = urlObj.hash != null ? String(urlObj.hash) : ''
  if (hash && hash[0] !== '#') hash = '#' + hash

  // Match Node quirks roughly: with host → scheme://host/path; without → scheme:/path
  if (host) {
    const slashes = protocol ? '//' : ''
    return protocol + slashes + auth + host + pathname + search + hash
  }
  if (protocol) {
    // Node: url.format({ protocol: 'http:', pathname: '/x' }) => 'http:/x'
    return protocol + (pathname.startsWith('/') ? pathname : '/' + pathname) + search + hash
  }
  return pathname + search + hash
}

/**
 * Node url.resolve(from, to)
 * @param {string} from
 * @param {string} to
 */
function resolve(from, to) {
  const base = String(from ?? '')
  const rel = String(to ?? '')

  if (!rel) {
    try {
      return isAbsoluteUrl(base) ? new URL(base).href : format(parse(base))
    } catch {
      return base
    }
  }

  if (isAbsoluteUrl(rel)) {
    try {
      return new URL(rel).href
    } catch {
      return rel
    }
  }

  try {
    if (isAbsoluteUrl(base)) {
      return new URL(rel, base).href
    }
    // Path-only base (e.g. "/v1.41/" + "containers/json")
    const origin = 'http://peardock.invalid'
    const b = base.startsWith('/') ? base : '/' + base
    const resolved = new URL(rel, origin + b)
    return resolved.pathname + resolved.search + resolved.hash
  } catch {
    if (rel.startsWith('/')) return rel
    const slash = base.endsWith('/') ? '' : '/'
    return base + slash + rel
  }
}

function pathToFileURL(filepath) {
  if (typeof URLImpl !== 'function') throw new Error('URL not available')
  const path = require('path')
  let resolved = path.resolve(String(filepath))
  // Windows drive letters
  if (/^[a-zA-Z]:[\\/]/.test(resolved)) {
    resolved = '/' + resolved.replace(/\\/g, '/')
  } else if (!resolved.startsWith('/')) {
    resolved = '/' + resolved
  }
  return new URLImpl('file://' + encodeURI(resolved).replace(/#/g, '%23'))
}

function fileURLToPath(url) {
  const u = typeof url === 'string' ? new URLImpl(url) : url
  if (u.protocol !== 'file:') {
    throw new TypeError('Must be a file URL')
  }
  let p = decodeURIComponent(u.pathname)
  // /C:/... → C:\... on windows-like
  if (/^\/[a-zA-Z]:\//.test(p)) {
    p = p.slice(1).replace(/\//g, require('path').sep)
  }
  return p
}

function domainToASCII(domain) {
  return String(domain ?? '')
}

function domainToUnicode(domain) {
  return String(domain ?? '')
}

function urlToHttpOptions(url) {
  const u = typeof url === 'string' ? new URLImpl(url) : url
  return {
    protocol: u.protocol,
    hostname: u.hostname,
    hash: u.hash,
    search: u.search,
    pathname: u.pathname,
    path: u.pathname + u.search,
    href: u.href,
    port: u.port,
    auth: u.username ? u.username + (u.password ? ':' + u.password : '') : '',
  }
}

module.exports = {
  URL,
  Url: URL,
  URLSearchParams: URLSearchParamsImpl,
  parse,
  format,
  resolve,
  pathToFileURL,
  fileURLToPath,
  domainToASCII,
  domainToUnicode,
  urlToHttpOptions,
}