Promise = require('bluebird')
fs = Promise.promisifyAll(require('fs'))
_ = require('lodash')
resin = require('resin-sdk')
capitano = require('capitano')
visuals = require('resin-cli-visuals')
commandOptions = require('./command-options')
helpers = require('../utils/helpers')

exports.list =
	signature: 'keys'
	description: 'list all ssh keys'
	help: '''
		Use this command to list all your SSH keys.

		Examples:

			$ resin keys
	'''
	permission: 'user'
	action: (params, options, done) ->
		resin.models.key.getAll().then (keys) ->
			console.log visuals.table.horizontal keys, [
				'id'
				'title'
			]
		.nodeify(done)

exports.info =
	signature: 'key <id>'
	description: 'list a single ssh key'
	help: '''
		Use this command to show information about a single SSH key.

		Examples:

			$ resin key 17
	'''
	permission: 'user'
	action: (params, options, done) ->
		resin.models.key.get(params.id).then (key) ->
			console.log visuals.table.vertical key, [
				'id'
				'title'
			]

			# Since the public key string is long, it might
			# wrap to lines below, causing the table layout to break.
			# See https://github.com/resin-io/resin-cli/issues/151
			console.log('\n' + key.public_key)
		.nodeify(done)

exports.remove =
	signature: 'key rm <id>'
	description: 'remove a ssh key'
	help: '''
		Use this command to remove a SSH key from resin.io.

		Notice this command asks for confirmation interactively.
		You can avoid this by passing the `--yes` boolean option.

		Examples:

			$ resin key rm 17
			$ resin key rm 17 --yes
	'''
	options: [ commandOptions.yes ]
	permission: 'user'
	action: (params, options, done) ->
		helpers.confirm(options.yes, 'Are you sure you want to delete the key?').then ->
			resin.models.key.remove(params.id)
		.nodeify(done)

exports.add =
	signature: 'key add <name> [path]'
	description: 'add a SSH key to resin.io'
	help: '''
		Use this command to associate a new SSH key with your account.

		If `path` is omitted, the command will attempt
		to read the SSH key from stdin.

		Examples:

			$ resin key add Main ~/.ssh/id_rsa.pub
			$ cat ~/.ssh/id_rsa.pub | resin key add Main
	'''
	permission: 'user'
	action: (params, options, done) ->
		Promise.try ->
			return fs.readFileAsync(params.path, encoding: 'utf8') if params.path?

			Promise.fromNode (callback) ->
				capitano.utils.getStdin (data) ->
					return callback(null, data)

		.then(_.partial(resin.models.key.create, params.name))
		.nodeify(done)