require 'util/miq-xml'
require 'time'

module VmcConfig
  def convert(filename)
    @convertText = ""
    # $log.debug "Processing Windows Configuration file [#{filename}]"
    add_item("displayName", File.basename(filename, ".vmc"))
    xml = MiqXml.loadFile(filename)
    hw_version(xml)
    xml.each_recursive do |e|
      if self.respond_to?(e.name) && e.name.downcase != "id" && e.name.downcase != "type"
        send(e.name, e)
      end
    end
    @convertText
  end

  def ide_controller(element)
    cid, lid = element.attributes['id'], 0
    element.each_recursive do |e|
      lid = e.attributes["id"] if e.name === "location"
      if e.name === "drive_type"
        drive_type = e.text.to_i
        case e.text.to_i
        when 0
          # No disk present here
        when 1
          drive_type = "harddisk"
        when 2
          # Add cd-rom
          add_item("ide#{cid}:#{lid}.present", "TRUE")
          add_item("ide#{cid}:#{lid}.fileName", "auto detect")
          add_item("ide#{cid}:#{lid}.deviceType", "cdrom-raw")
        end
      end

      # Add disk name using the relative path when the disk name exists.
      # Also skip undo disks
      if e.name === "relative" && e.text.nil? == false && e.parent.name != "undo_pathname"
        add_item("ide#{cid}:#{lid}.fileName", e.text.tr("\\", "/"))
        add_item("ide#{cid}:#{lid}.present", "TRUE")
      end
    end
  end

  def ethernet_adapter(element)
    lid = 0
    element.each_recursive do |e|
      lid = e.attributes["id"] if e.name === "ethernet_controller"
      if e.name === "name"
        connType = e.text
        connType = "nat" if connType.nil?
        add_item("Ethernet#{lid}.connectionType", connType)
        add_item("Ethernet#{lid}.present", "TRUE")
      end
      if e.name === "ethernet_card_address"
        x = e.text
        add_item("Ethernet#{lid}.generatedAddress", "%s:%s:%s:%s:%s:%s" % [x[0..1], x[2..3], x[4..5], x[6..7], x[8..9], x[10..11]])
      end
    end
  end

  def ram_size(element)
    add_item("memsize", element.text)
  end

  def hw_version(xml)
    add_item("config.version", xml.find_first("//version").text)
  end

  def undo_drives(element)
    enabled = element.find_first("./enabled")
    if enabled && enabled.text.downcase == "true"
      # General snapshot details
      # Note: Virtual Server 2005 only supports one snapshot, so this data
      #       is static.  SCVMM will likely cause this to change.
      writeHeader = true
      idx = 0
      Dir.glob(File.join(@configPath, "*.vud")).each do |f|
        # Only add the snapshot header data if we've found a snapshot file
        if writeHeader
          $log.warn "Writing header"
          add_item("snapshot.numSnapshots", "1")
          add_item("snapshot.current", "1")

          # First snapshot details
          add_item("snapshot0.uid", "1")
          add_item("snapshot0.displayName", "Undo Drives")

          writeHeader = false
        end

        add_item("snapshot0.disk#{idx}.filename", File.basename(f))
        begin
          add_item("snapshot0.create_time", parse_create_time(f).iso8601(6)) if idx == 0
        rescue
        end
        idx += 1
      end
    end
  end

  def parse_create_time(filename)
    name = File.basename(filename, ".*").split("_")[-1]
    Time.parse("#{name[10..13]}-#{name[6..7]}-#{name[8..9]}T#{name[0..1]}:#{name[2..3]}:#{name[4..5]}").utc
  end

  def add_item(var, value)
    @convertText += "#{var} = \"#{value}\"\n"
  end

  def vendor
    "microsoft"
  end
end