#
# Authors:: Trevor O (trevoro@joyent.com)
#           Bryan McLellan (btm@loftninjas.org)
#           Matthew Landauer (matthew@openaustralia.org)
#           Ben Rockwood (benr@joyent.com)
# Copyright:: Copyright (c) 2009 Bryan McLellan, Matthew Landauer
# License:: Apache License, Version 2.0
#
# 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.
#

require 'chef/provider/package'
require 'chef/resource/package'
require 'chef/mixin/get_source_from_package'

class Chef
  class Provider
    class Package
      class SmartOS < Chef::Provider::Package
        attr_accessor :is_virtual_package

        provides :smartos_package, os: "solaris2", platform_family: "smartos"

        def load_current_resource
          Chef::Log.debug("#{@new_resource} loading current resource")
          @current_resource = Chef::Resource::Package.new(@new_resource.name)
          @current_resource.package_name(@new_resource.package_name)
          @current_resource.version(nil)
          check_package_state(@new_resource.package_name)
          @current_resource # modified by check_package_state
        end

        def check_package_state(name)
          Chef::Log.debug("#{@new_resource} checking package #{name}")
          version = nil
          info = shell_out!("/opt/local/sbin/pkg_info -E \"#{name}*\"", :env => nil, :returns => [0,1])

          if info.stdout
            version = info.stdout[/^#{@new_resource.package_name}-(.+)/, 1]
          end

          if !version
            @current_resource.version(nil)
          else
            @current_resource.version(version)
          end
        end

        def candidate_version
          return @candidate_version if @candidate_version
          name = nil
          version = nil
          pkg = shell_out!("/opt/local/bin/pkgin se #{new_resource.package_name}", :env => nil, :returns => [0,1])
          pkg.stdout.each_line do |line|
            case line
            when /^#{new_resource.package_name}/
              name, version = line.split[0].split(/-([^-]+)$/)
            end
          end
          @candidate_version = version
          version
        end

        def install_package(name, version)
          Chef::Log.debug("#{@new_resource} installing package #{name} version #{version}")
          package = "#{name}-#{version}"
          out = shell_out!("/opt/local/bin/pkgin -y install #{package}", :env => nil)
        end

        def upgrade_package(name, version)
          Chef::Log.debug("#{@new_resource} upgrading package #{name} version #{version}")
          install_package(name, version)
        end

        def remove_package(name, version)
          Chef::Log.debug("#{@new_resource} removing package #{name} version #{version}")
          package = "#{name}"
          out = shell_out!("/opt/local/bin/pkgin -y remove #{package}", :env => nil)
        end

      end
    end
  end
end
