require "rake"
require "dtc_rake/ui"
require "uu/os/attachment"
require "uu/os/rest/binary_value"
require "uu/os/search"
require "uu/os/security/session"
require "uu/os/uesuri_builder"

module DtcRake
  include DtcRake::UI

  def mv_to_output_dir(src_dir, src_file)
    output_dir = DtcRake::Config.instance.output_dir
    output_dir_name = File.basename(output_dir) # get just the last path element (e.g. "target")
    FileUtils.mkpath output_dir
    src_file_path = File.join(src_dir, output_dir_name, src_file)
    dest_file = File.join(output_dir, src_file)
    FileUtils.mv src_file_path, dest_file
    success "#{dest_file} created"
  end
  module_function :mv_to_output_dir

  # Checks if JRuby is being used. This check is important when building .war
  # files - gems with native extensions (like json, bson) must be added to the
  # output .war file for Java platform. Otherwise certain gems (e.g.
  # uu_os_persistence) cannot be loaded when deployed on servlet container
  # (Tomcat).
  def check_jruby!
    error(".war files must be built using JRuby!") unless RUBY_PLATFORM == "java"
  end
  module_function :check_jruby!

  # Checks Bundler version. Bundler 1.16 is not supported by Warbler 1.4.
  # But since uuCloudg01C3, uuCloudg01OperationRegistry and uuLogStoreg01
  # are implemented according tu uuApps 2.1 standard, they need to depend
  # on Warbler 1.4. Therefore Bundler version needs to be lower than 1.16.
  #
  # @see ues:UU-BT:UU.CLOUD/20171106_0001
  # @see https://plus4u.net/ues/sesm?SessFree=ues%3A%5B78462435%5D%3A%5B44191589544372490%5D%3A%3F
  def check_bundler!
    string = `bundler -v`
    if string =~ /\d+\.\d+.\d+/
      version = string.match(/\d+\.\d+.\d+/).to_s
      version_parts = version.split('.')
      if version_parts[1].to_i > 15
        error("Unable to build war files with bundler #{version}.\nBundler version must be lower than 1.16.x.")
      end
    else
      warning(
        "Unknown version of bundler.\n" \
        "Your bundler is not working correctly or dtc_rake isn't able to check version on your platform.\n" \
        "`bundler -v` returned: #{string}"
      )
    end
  end
  module_function :check_bundler!

  def upload_pack(attrs)
    file = attrs[:file]
    artifact_uri = attrs[:appbox_uri] || DtcRake::Product.instance.appbox_uri
    attachment_code = attrs[:attachment_code]
    credentials = attrs[:credentials]

    abort "Specify login credentials" unless credentials
    UU::OS::Security::Session.login(credentials)

    attch_uri = UU::OS::UESURIBuilder.parse_uesuri(artifact_uri).set_object_code(attachment_code).to_uesuri

    if UU::OS::Search.exists(attch_uri)
      File.open(file, "rb") do |f|
        UU::OS::Attachment.check_in(attch_uri, data: UU::OS::REST::BinaryValue.new(f))
      end
    else
      File.open(file, "rb") do |f|
        attch_uri = UU::OS::Attachment.create(artifact_uri, code: attachment_code,
            data: UU::OS::REST::BinaryValue.new(f)
        )
      end
    end

    attch_uri
  end
  module_function :upload_pack
end