## macosx.rb
## Support methods for Apple OSX facts
##
## Copyright (C) 2007 Jeff McCune
## Author: Jeff McCune <jeff.mccune@northstarlabs.net>
##

module Facter::Util::Macosx
    require 'thread'
    require 'facter/util/plist'
    require 'facter/util/resolution'

    # JJM I'd really like to dynamically generate these methods
    # by looking at the _name key of the _items dict for each _dataType

    def self.profiler_xml(data_field)
        Facter::Util::Resolution.exec("/usr/sbin/system_profiler -xml #{data_field}")
    end

    def self.intern_xml(xml)
        return nil unless xml
        Plist::parse_xml(xml)
    end

    # Return an xml result, modified as we need it.
    def self.profiler_data(data_field)
        begin
            return nil unless parsed_xml = intern_xml(profiler_xml(data_field))
            return nil unless data = parsed_xml[0]['_items'][0]
            data.delete '_name'
            data
        rescue
            return nil
        end
    end

    def self.hardware_overview
        profiler_data("SPHardwareDataType")
    end

    def self.os_overview
        profiler_data("SPSoftwareDataType")
    end

    def self.sw_vers
        ver = Hash.new
        [ "productName", "productVersion", "buildVersion" ].each do |option|
            ver["macosx_#{option}"] = Facter::Util::Resolution.exec("/usr/bin/sw_vers -#{option}").strip
        end
        productversion = ver["macosx_productVersion"]
        if not productversion.nil?
            versions = productversion.scan(/(\d+)\.(\d+)\.*(\d*)/)[0]
            ver["macosx_productversion_major"] = "#{versions[0]}.#{versions[1]}"
            if versions[2].empty?  # 10.x should be treated as 10.x.0
                versions[2] = "0"
            end
            ver["macosx_productversion_minor"] = versions[2]
        end
        ver
    end
end
