class SshConf

def content
  read_content
end

def initialize(conf_path = nil, type = nil)
  @conf_path = conf_path || '/etc/ssh/ssh_config'
  typename = (@conf_path.include?('sshd') ? 'Server' : 'Client')
  @type = type || "SSH #{typename} configuration #{conf_path}"
end

def method_missing(name)
  param = read_params[name.to_s]
  return nil if param.nil?
  # extract first value if we have only one value in array
  return param[0] if param.length == 1
  param
end

def params(*opts)
  opts.inject(read_params) do |res, nxt|
    res.respond_to?(:key) ? res[nxt] : nil
  end
end

def read_content
  return @content if defined?(@content)
  file = inspec.file(@conf_path)
  if !file.file?
    return skip_resource "Can't find file \"#{@conf_path}\""
  end
  @content = file.content
  if @content.empty? && file.size > 0
    return skip_resource "Can't read file \"#{@conf_path}\""
  end
  @content
end

def read_params
  return @params if defined?(@params)
  return @params = {} if read_content.nil?
  conf = SimpleConfig.new(
    read_content,
    assignment_re: /^\s*(\S+?)\s+(.*?)\s*$/,
    multiple_values: true,
  )
  @params = conf.params
end

def to_s
  'SSH Configuration'
end