#!/usr/bin/env ruby
# encoding: UTF-8
#
# Copyright 2014 Shawn Neal <sneal@sneal.net>
#
# Licensed 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.

# TODO: refactor this
# rubocop:disable all

$LOAD_PATH.push File.expand_path('../../lib', __FILE__)

require 'io/console'
require 'winrm-fs'

def help_msg
  puts 'Usage: rwinrmcp sourcefile user@host:directory/targetfile'
  puts ''
end

def parse_options
  options = {}
  fail 'Missing required options' unless ARGV.length == 2

  options[:source_path] = ARGV[0]
  fail "Cannot find source file: #{options[:source_path]}" unless \
    File.exist?(options[:source_path])

  m = /^(?<user>[a-z0-9\.\!\$ _-]+)@{1}(?<host>[a-z0-9\.\-]+)(?<port>:[0-9]+)?:{1}(?<file>.+)/i.match(ARGV[1])
  fail "#{ARGV[1]} is an invalid destination" unless m
  options[:user] = m[:user]
  options[:endpoint] = "http://#{m[:host]}#{m[:port] || ':5985'}/wsman"
  options[:dest_path] = m[:file]

  # Get the password
  print 'Password: '
  options[:pass] = STDIN.noecho(&:gets).chomp
  puts

  # Set some defaults required by WinRM WS
  options[:auth_type] = :plaintext
  options[:basic_auth_only] = true

  options
rescue StandardError => e
  puts e.message
  help_msg
  exit 1
end

def file_manager(options)
  service = WinRM::WinRMWebService.new(
    options[:endpoint],
    options[:auth_type].to_sym,
    options)
  WinRM::FS::FileManager.new(service)
end

def run(options)
  bytes = file_manager(options).upload(options[:source_path], options[:dest_path])
  puts "#{bytes} total bytes transfered"
  exit 0
rescue Interrupt
  puts 'exiting'
  # ctrl-c
rescue WinRM::WinRMAuthorizationError
  puts 'Authentication failed, bad user name or password'
  exit 1
rescue StandardError => e
  puts e.message
  exit 1
end

run(parse_options)

# rubocop:enable all