#
# Author:: Doug Ireton (<doug.ireton@nordstrom.com>)
# Cookbook:: windows
# Resource:: printer
#
# Copyright:: 2012-2017, Nordstrom, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# See here for more info:
# http://msdn.microsoft.com/en-us/library/windows/desktop/aa394492(v=vs.85).aspx
unified_mode true

require 'resolv'

property :device_id, String, name_property: true, required: true
property :comment, String
property :default, [true, false], default: false
property :driver_name, String, required: true
property :location, String
property :shared, [true, false], default: false
property :share_name, String
property :ipv4_address, String, regex: Resolv::IPv4::Regex
property :exists, [true, false]

PRINTERS_REG_KEY = 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Print\Printers\\'.freeze unless defined?(PRINTERS_REG_KEY)

def printer_exists?(name)
  printer_reg_key = PRINTERS_REG_KEY + name
  Chef::Log.debug "Checking to see if this reg key exists: '#{printer_reg_key}'"
  Registry.key_exists?(printer_reg_key)
end

load_current_value do |desired|
  name desired.name
  exists printer_exists?(desired.name)
  # TODO: Set @current_resource printer properties from registry
end

action :create do
  if @current_resource.exists
    Chef::Log.info "#{@new_resource} already exists - nothing to do."
  else
    converge_by("Create #{@new_resource}") do
      create_printer
    end
  end
end

action :delete do
  if @current_resource.exists
    converge_by("Delete #{@new_resource}") do
      delete_printer
    end
  else
    Chef::Log.info "#{@current_resource} doesn't exist - can't delete."
  end
end

action_class do
  def create_printer
    # Create the printer port first
    windows_printer_port new_resource.ipv4_address do
    end

    port_name = "IP_#{new_resource.ipv4_address}"

    powershell_script "Creating printer: #{new_resource.name}" do
      code <<-EOH

        Set-WmiInstance -class Win32_Printer `
          -EnableAllPrivileges `
          -Argument @{ DeviceID   = "#{new_resource.device_id}";
                      Comment    = "#{new_resource.comment}";
                      Default    = "$#{new_resource.default}";
                      DriverName = "#{new_resource.driver_name}";
                      Location   = "#{new_resource.location}";
                      PortName   = "#{port_name}";
                      Shared     = "$#{new_resource.shared}";
                      ShareName  = "#{new_resource.share_name}";
                    }
      EOH
    end
  end

  def delete_printer
    powershell_script "Deleting printer: #{new_resource.name}" do
      code <<-EOH
        $printer = Get-WMIObject -class Win32_Printer -EnableAllPrivileges -Filter "name = '#{new_resource.name}'"
        $printer.Delete()
      EOH
    end
  end
end
