...

/* eslint-disable no-console */
// XXX: remove console.log later

// npm view [pkg [pkg ...]]

const chalk = require('chalk')
const columns = require('cli-columns')
const fs = require('fs')
const jsonParse = require('json-parse-even-better-errors')
const log = require('../utils/log-shim.js')
const npa = require('npm-package-arg')
const { resolve } = require('path')
const formatBytes = require('../utils/format-bytes.js')
const relativeDate = require('tiny-relative-date')
const semver = require('semver')
const { inspect, promisify } = require('util')
const { packument } = require('pacote')

const readFile = promisify(fs.readFile)
const readJson = async file => jsonParse(await readFile(file, 'utf8'))

const Queryable = require('../utils/queryable.js')
const BaseCommand = require('../base-command.js')
class View extends BaseCommand {
  static description = 'View registry info'
  static name = 'view'
  static params = [
    'json',
    'workspace',
    'workspaces',
    'include-workspace-root',
  ]

static ignoreImplicitWorkspace = false

static usage = ['[<package-spec>] [<field>[.subfield]...]']

async completion (opts) {
    if (opts.conf.argv.remain.length <= 2) {
      // There used to be registry completion here, but it stopped
      // making sense somewhere around 50,000 packages on the registry
      return
    }
    // have the package, get the fields
    const config = {
      ...this.npm.flatOptions,
      fullMetadata: true,
      preferOnline: true,
    }
    const spec = npa(opts.conf.argv.remain[2])
    const pckmnt = await packument(spec, config)
    const defaultTag = this.npm.config.get('tag')
    const dv = pckmnt.versions[pckmnt['dist-tags'][defaultTag]]
    pckmnt.versions = Object.keys(pckmnt.versions).sort(semver.compareLoose)

return getFields(pckmnt).concat(getFields(dv))

function getFields (d, f, pref) {
      f = f || []
      pref = pref || []
      Object.keys(d).forEach((k) => {
        if (k.charAt(0) === '_' || k.indexOf('.') !== -1) {
          return
        }
        const p = pref.concat(k).join('.')
        f.push(p)
        if (Array.isArray(d[k])) {
          d[k].forEach((val, i) => {
            const pi = p + '[' + i + ']'
            if (val && typeof val === 'object') {
              getFields(val, f, [p])
            } else {
              f.push(pi)
            }
          })
          return
        }
        if (typeof d[k] === 'object') {
          getFields(d[k], f, [p])
        }
      })
      return f
    }
  }

async exec (args) {
    if (!args.length) {
      args = ['.']
    }
    let pkg = args.shift()
    const local = /^\.@/.test(pkg) || pkg === '.'

if (local) {
      if (this.npm.global) {
        throw new Error('Cannot use view command in global mode.')
      }
      const dir = this.npm.prefix
      const manifest = await readJson(resolve(dir, 'package.json'))
      if (!manifest.name) {
        throw new Error('Invalid package.json, no "name" field')
      }
      // put the version back if it existed
      pkg = `${manifest.name}${pkg.slice(1)}`
    }

let wholePackument = false
    if (!args.length) {
      args = ['']
      wholePackument = true
    }
    const [pckmnt, data] = await this.getData(pkg, args)

if (!this.npm.config.get('json') && wholePackument) {
      // pretty view (entire packument)
      data.map((v) => this.prettyView(pckmnt, v[Object.keys(v)[0]]['']))
    } else {
      // JSON formatted output (JSON or specific attributes from packument)
      let reducedData = data.reduce(reducer, {})
      if (wholePackument) {
        // No attributes
        reducedData = cleanBlanks(reducedData)
        log.silly('view', reducedData)
      }
      // disable the progress bar entirely, as we can't meaningfully update it
      // if we may have partial lines printed.
      log.disableProgress()

const msg = await this.jsonData(reducedData, pckmnt._id)
      if (msg !== '') {
        console.log(msg)
      }
    }
  }

async execWorkspaces (args, filters) {
    if (!args.length) {
      args = ['.']
    }

const pkg = args.shift()

const local = /^\.@/.test(pkg) || pkg === '.'
    if (!local) {
      log.warn('Ignoring workspaces for specified package(s)')
      return this.exec([pkg, ...args])
    }
    let wholePackument = false
    if (!args.length) {
      wholePackument = true
      args = [''] // getData relies on this
    }
    const results = {}
    await this.setWorkspaces(filters)
    for (const name of this.workspaceNames) {
      const wsPkg = `${name}${pkg.slice(1)}`
      const [pckmnt, data] = await this.getData(wsPkg, args)

let reducedData = data.reduce(reducer, {})
      if (wholePackument) {
        // No attributes
        reducedData = cleanBlanks(reducedData)
        log.silly('view', reducedData)
      }

if (!this.npm.config.get('json')) {
        if (wholePackument) {
          data.map((v) => this.prettyView(pckmnt, v[Object.keys(v)[0]]['']))
        } else {
          console.log(`${name}:`)
          const msg = await this.jsonData(reducedData, pckmnt._id)
          if (msg !== '') {
            console.log(msg)
          }
        }
      } else {
        const msg = await this.jsonData(reducedData, pckmnt._id)
        if (msg !== '') {
          results[name] = JSON.parse(msg)
        }
      }
    }
    if (Object.keys(results).length > 0) {
      console.log(JSON.stringify(results, null, 2))
    }
  }

async getData (pkg, args) {
    const opts = {
      ...this.npm.flatOptions,
      preferOnline: true,
      fullMetadata: true,
    }

const spec = npa(pkg)

// get the data about this package
    let version = this.npm.config.get('tag')
    // rawSpec is the git url if this is from git
    if (spec.type !== 'git' && spec.type !== 'directory' && spec.rawSpec) {
      version = spec.rawSpec
    }

const pckmnt = await packument(spec, opts)

if (pckmnt['dist-tags'] && pckmnt['dist-tags'][version]) {
      version = pckmnt['dist-tags'][version]
    }
    if (pckmnt.time && pckmnt.time.unpublished) {
      const u = pckmnt.time.unpublished
      const er = new Error(`Unpublished on ${u.time}`)
      er.statusCode = 404
      er.code = 'E404'
      er.pkgid = pckmnt._id
      throw er
    }

const data = []
    const versions = pckmnt.versions || {}
    pckmnt.versions = Object.keys(versions).sort(semver.compareLoose)

// remove readme unless we asked for it
    if (args.indexOf('readme') === -1) {
      delete pckmnt.readme
    }

Object.keys(versions).forEach((v) => {
      if (semver.satisfies(v, version, true)) {
        args.forEach(arg => {
          // remove readme unless we asked for it
          if (args.indexOf('readme') !== -1) {
            delete versions[v].readme
          }

data.push(showFields(pckmnt, versions[v], arg))
        })
      }
    })

// No data has been pushed because no data is matching the specified version
    if (data.length === 0 && version !== 'latest') {
      const er = new Error(`No match found for version ${version}`)
      er.statusCode = 404
      er.code = 'E404'
      er.pkgid = `${pckmnt._id}@${version}`
      throw er
    }

if (
      !this.npm.config.get('json') &&
      args.length === 1 &&
      args[0] === ''
    ) {
      pckmnt.version = version
    }

return [pckmnt, data]
  }

async jsonData (data, name) {
    const versions = Object.keys(data)
    let msg = ''
    let msgJson = []
    const includeVersions = versions.length > 1
    let includeFields
    const json = this.npm.config.get('json')

versions.forEach((v) => {
      const fields = Object.keys(data[v])
      includeFields = includeFields || (fields.length > 1)
      if (json) {
        msgJson.push({})
      }
      fields.forEach((f) => {
        let d = cleanup(data[v][f])
        if (fields.length === 1 && json) {
          msgJson[msgJson.length - 1][f] = d
        }

if (includeVersions || includeFields || typeof d !== 'string') {
          if (json) {
            msgJson[msgJson.length - 1][f] = d
          } else {
            d = inspect(d, {
              showHidden: false,
              depth: 5,
              colors: this.npm.color,
              maxArrayLength: null,
            })
          }
        } else if (typeof d === 'string' && json) {
          d = JSON.stringify(d)
        }

if (!json) {
          if (f && includeFields) {
            f += ' = '
          }
          msg += (includeVersions ? name + '@' + v + ' ' : '') +
            (includeFields ? f : '') + d + '\n'
        }
      })
    })

if (json) {
      if (msgJson.length && Object.keys(msgJson[0]).length === 1) {
        const k = Object.keys(msgJson[0])[0]
        msgJson = msgJson.map(m => m[k])
      }
      if (msgJson.length === 1) {
        msg = JSON.stringify(msgJson[0], null, 2) + '\n'
      } else if (msgJson.length > 1) {
        msg = JSON.stringify(msgJson, null, 2) + '\n'
      }
    }

return msg.trim()
  }

prettyView (packument, manifest) {
    // More modern, pretty printing of default view
    const unicode = this.npm.config.get('unicode')
    const tags = []

Object.keys(packument['dist-tags']).forEach((t) => {
      const version = packument['dist-tags'][t]
      tags.push(`${chalk.bold.green(t)}: ${version}`)
    })
    const unpackedSize = manifest.dist.unpackedSize &&
      formatBytes(manifest.dist.unpackedSize, true)
    const licenseField = manifest.license || 'Proprietary'
    const info = {
      name: chalk.green(manifest.name),
      version: chalk.green(manifest.version),
      bins: Object.keys(manifest.bin || {}),
      versions: chalk.yellow(packument.versions.length + ''),
      description: manifest.description,
      deprecated: manifest.deprecated,
      keywords: packument.keywords || [],
      license: typeof licenseField === 'string'
        ? licenseField
        : (licenseField.type || 'Proprietary'),
      deps: Object.keys(manifest.dependencies || {}).map((dep) => {
        return `${chalk.yellow(dep)}: ${manifest.dependencies[dep]}`
      }),
      publisher: manifest._npmUser && unparsePerson({
        name: chalk.yellow(manifest._npmUser.name),
        email: chalk.cyan(manifest._npmUser.email),
      }),
      modified: !packument.time ? undefined
      : chalk.yellow(relativeDate(packument.time[manifest.version])),
      maintainers: (packument.maintainers || []).map((u) => unparsePerson({
        name: chalk.yellow(u.name),
        email: chalk.cyan(u.email),
      })),
      repo: (
        manifest.bugs && (manifest.bugs.url || manifest.bugs)
      ) || (
        manifest.repository && (manifest.repository.url || manifest.repository)
      ),
      site: (
        manifest.homepage && (manifest.homepage.url || manifest.homepage)
      ),
      tags,
      tarball: chalk.cyan(manifest.dist.tarball),
      shasum: chalk.yellow(manifest.dist.shasum),
      integrity:
        manifest.dist.integrity && chalk.yellow(manifest.dist.integrity),
      fileCount:
        manifest.dist.fileCount && chalk.yellow(manifest.dist.fileCount),
      unpackedSize: unpackedSize && chalk.yellow(unpackedSize),
    }
    if (info.license.toLowerCase().trim() === 'proprietary') {
      info.license = chalk.bold.red(info.license)
    } else {
      info.license = chalk.green(info.license)
    }

console.log('')
    console.log(
      chalk.underline.bold(`${info.name}@${info.version}`) +
      ' | ' + info.license +
      ' | deps: ' + (info.deps.length ? chalk.cyan(info.deps.length) : chalk.green('none')) +
      ' | versions: ' + info.versions
    )
    info.description && console.log(info.description)
    if (info.repo || info.site) {
      info.site && console.log(chalk.cyan(info.site))
    }

const warningSign = unicode ? ' ⚠️ ' : '!!'
    info.deprecated && console.log(
      `\n${chalk.bold.red('DEPRECATED')}${
      warningSign
    } - ${info.deprecated}`
    )

if (info.keywords.length) {
      console.log('')
      console.log('keywords:', chalk.yellow(info.keywords.join(', ')))
    }

if (info.bins.length) {
      console.log('')
      console.log('bin:', chalk.yellow(info.bins.join(', ')))
    }

console.log('')
    console.log('dist')
    console.log('.tarball:', info.tarball)
    console.log('.shasum:', info.shasum)
    info.integrity && console.log('.integrity:', info.integrity)
    info.unpackedSize && console.log('.unpackedSize:', info.unpackedSize)

const maxDeps = 24
    if (info.deps.length) {
      console.log('')
      console.log('dependencies:')
      console.log(columns(info.deps.slice(0, maxDeps), { padding: 1 }))
      if (info.deps.length > maxDeps) {
        console.log(`(...and ${info.deps.length - maxDeps} more.)`)
      }
    }

if (info.maintainers && info.maintainers.length) {
      console.log('')
      console.log('maintainers:')
      info.maintainers.forEach((u) => console.log('-', u))
    }

console.log('')
    console.log('dist-tags:')
    console.log(columns(info.tags))

if (info.publisher || info.modified) {
      let publishInfo = 'published'
      if (info.modified) {
        publishInfo += ` ${info.modified}`
      }
      if (info.publisher) {
        publishInfo += ` by ${info.publisher}`
      }
      console.log('')
      console.log(publishInfo)
    }
  }
}
module.exports = View

function cleanBlanks (obj) {
  const clean = {}
  Object.keys(obj).forEach((version) => {
    clean[version] = obj[version]['']
  })
  return clean
}

// takes an array of objects and merges them into one object
function reducer (acc, cur) {
  if (cur) {
    Object.keys(cur).forEach((v) => {
      acc[v] = acc[v] || {}
      Object.keys(cur[v]).forEach((t) => {
        acc[v][t] = cur[v][t]
      })
    })
  }

return acc
}

// return whatever was printed
function showFields (data, version, fields) {
  const o = {}
  ;[data, version].forEach((s) => {
    Object.keys(s).forEach((k) => {
      o[k] = s[k]
    })
  })

const queryable = new Queryable(o)
  const s = queryable.query(fields)
  const res = { [version.version]: s }

if (s) {
    return res
  }
}

function cleanup (data) {
  if (Array.isArray(data)) {
    return data.map(cleanup)
  }

if (!data || typeof data !== 'object') {
    return data
  }

const keys = Object.keys(data)
  if (keys.length <= 3 &&
      data.name &&
      (keys.length === 1 ||
       (keys.length === 3 && data.email && data.url) ||
       (keys.length === 2 && (data.email || data.url)))) {
    data = unparsePerson(data)
  }

return data
}

function unparsePerson (d) {
  return d.name +
    (d.email ? ' <' + d.email + '>' : '') +
    (d.url ? ' (' + d.url + ')' : '')
}

.	Edit
..	Edit
access.js	Edit
adduser.js	Edit
audit.js	Edit
bin.js	Edit
birthday.js	Edit
bugs.js	Edit
cache.js	Edit
ci.js	Edit
completion.js	Edit
config.js	Edit
dedupe.js	Edit
deprecate.js	Edit
diff.js	Edit
dist-tag.js	Edit
docs.js	Edit
doctor.js	Edit
edit.js	Edit
exec.js	Edit
explain.js	Edit
explore.js	Edit
find-dupes.js	Edit
fund.js	Edit
get.js	Edit
help-search.js	Edit
help.js	Edit
hook.js	Edit
init.js	Edit
install-ci-test.js	Edit
install-test.js	Edit
install.js	Edit
link.js	Edit
ll.js	Edit
logout.js	Edit
ls.js	Edit
org.js	Edit
outdated.js	Edit
owner.js	Edit
pack.js	Edit
ping.js	Edit
pkg.js	Edit
prefix.js	Edit
profile.js	Edit
prune.js	Edit
publish.js	Edit
query.js	Edit
rebuild.js	Edit
repo.js	Edit
restart.js	Edit
root.js	Edit
run-script.js	Edit
search.js	Edit
set-script.js	Edit
set.js	Edit
shrinkwrap.js	Edit
star.js	Edit
stars.js	Edit
start.js	Edit
stop.js	Edit
team.js	Edit
test.js	Edit
token.js	Edit
uninstall.js	Edit
unpublish.js	Edit
unstar.js	Edit
update.js	Edit
version.js	Edit
view.js	Edit
whoami.js	Edit