# encoding: utf-8

# This resource talks with OneGet (https://github.com/OneGet/oneget)
# Its part of Windows Management Framework 5.0 and part of Windows 10
#
# Usage:
# describe oneget('zoomit') do
#   it { should be_installed }
# end
class OneGetPackage < Vulcano.resource(1)
  name 'oneget'

  def initialize(package_name)
    @package_name = package_name
    @cache = nil
  end

  def info
    return @cache if !@cache.nil?
    cmd = vulcano.run_command("Get-Package -Name '#{@package_name}' | ConvertTo-Json")
    # cannot rely on exit code for now, successful command returns exit code 1
    # return nil if cmd.exit_status != 0
    # try to parse json
    begin
      pkgs = JSON.parse(cmd.stdout)
    rescue JSON::ParserError => _e
      return nil
    end
    @cache = {
      name: pkgs['Name'],
      version: pkgs['Version'],
      type: 'oneget',
    }
  end

  def installed?
    !info.nil?
  end

  def version
    return nil if info.nil?
    info[:version]
  end

  def to_s
    "oneget package #{@package_name}"
  end
end