const log = require('npmlog')
const fetch = require('npm-registry-fetch')

const getIdentity = require('../utils/get-identity.js')

const BaseCommand = require('../base-command.js')
class Stars extends BaseCommand {
  /* istanbul ignore next - see test/lib/load-all-commands.js */
  static get description () {
    return 'View packages marked as favorites'
  }

  /* istanbul ignore next - see test/lib/load-all-commands.js */
  static get name () {
    return 'stars'
  }

  /* istanbul ignore next - see test/lib/load-all-commands.js */
  static get usage () {
    return ['[<user>]']
  }

  /* istanbul ignore next - see test/lib/load-all-commands.js */
  static get params () {
    return [
      'registry',
    ]
  }

  async exec ([user]) {
    try {
      if (!user)
        user = await getIdentity(this.npm, this.npm.flatOptions)

      const { rows } = await fetch.json('/-/_view/starredByUser', {
        ...this.npm.flatOptions,
        query: { key: `"${user}"` },
      })
      if (rows.length === 0)
        log.warn('stars', 'user has not starred any packages')

      for (const row of rows)
        this.npm.output(row.value)
    } catch (err) {
      if (err.code === 'ENEEDAUTH')
        log.warn('stars', 'auth is required to look up your username')
      throw err
    }
  }
}
module.exports = Stars
