require 'puppet/provider/package'
require 'net/http'
require 'xmlrpc/client'
require 'puppet/util/http_proxy'

Puppet::Type.type(:package).provide(:openstack_pip, :parent => :pip) do

  desc "Python packages via `pip` with mirrors."

  has_feature :installable, :uninstallable, :upgradeable, :versionable

  commands :pip => 'pip'

  def self.outdated
    @outdated ||= pip(['list', '--outdated'])
  end

  def latest
    outdated = self.class.outdated
    if outdated =~ /#{@resource[:name]}/
      latest = outdated.split("\n").select { |line|
        line =~ /#{@resource[:name]}/
      }.first
      _latest = latest.match('Latest: ([^\s)]*)')
      if _latest
        latest = _latest[1]
      else
        latest = latest.split(' ')[2]
      end
    else
      package_info = lazy_pip(['show', @resource[:name]])
      current = package_info.split("\n").select { |line|
        line =~ /^Version/
      }.first.split(': ')[1]
      latest = current
    end
    return latest
  end
end