# WARNING ABOUT GENERATED CODE
#
# This file is generated. See the contributing guide for more information:
# https://github.com/aws/aws-sdk-ruby/blob/master/CONTRIBUTING.md
#
# WARNING ABOUT GENERATED CODE

module Aws::AutoScaling
  class Tag

    extend Aws::Deprecations

    # @overload def initialize(key, resource_id, resource_type, options = {})
    #   @param [String] key
    #   @param [String] resource_id
    #   @param [String] resource_type
    #   @option options [Client] :client
    # @overload def initialize(options = {})
    #   @option options [required, String] :key
    #   @option options [required, String] :resource_id
    #   @option options [required, String] :resource_type
    #   @option options [Client] :client
    def initialize(*args)
      options = Hash === args.last ? args.pop.dup : {}
      @key = extract_key(args, options)
      @resource_id = extract_resource_id(args, options)
      @resource_type = extract_resource_type(args, options)
      @data = options.delete(:data)
      @client = options.delete(:client) || Client.new(options)
    end

    # @!group Read-Only Attributes

    # @return [String]
    def key
      @key
    end

    # @return [String]
    def resource_id
      @resource_id
    end

    # @return [String]
    def resource_type
      @resource_type
    end

    # The tag value.
    # @return [String]
    def value
      data.value
    end

    # Determines whether the tag is added to new instances as they are
    # launched in the group.
    # @return [Boolean]
    def propagate_at_launch
      data.propagate_at_launch
    end

    # @!endgroup

    # @return [Client]
    def client
      @client
    end

    # Loads, or reloads {#data} for the current {Tag}.
    # Returns `self` making it possible to chain methods.
    #
    #     tag.reload.data
    #
    # @return [self]
    def load
      resp = @client.describe_tags(filters: [
        {
          name: "key",
          values: [@key]
        },
        {
          name: @resource_type,
          values: [@resource_id]
        }
      ])
      @data = resp.tags[0]
      self
    end
    alias :reload :load

    # @return [Types::TagDescription]
    #   Returns the data for this {Tag}. Calls
    #   {Client#describe_tags} if {#data_loaded?} is `false`.
    def data
      load unless @data
      @data
    end

    # @return [Boolean]
    #   Returns `true` if this resource is loaded.  Accessing attributes or
    #   {#data} on an unloaded resource will trigger a call to {#load}.
    def data_loaded?
      !!@data
    end

    # @!group Actions

    # @example Request syntax with placeholder values
    #
    #   tag.create({
    #     tags: [ # required
    #       {
    #         resource_id: "XmlString",
    #         resource_type: "XmlString",
    #         key: "TagKey", # required
    #         value: "TagValue",
    #         propagate_at_launch: false,
    #       },
    #     ],
    #   })
    # @param [Hash] options ({})
    # @option options [required, Array<Types::Tag>] :tags
    #   One or more tags.
    # @return [EmptyStructure]
    def create(options = {})
      options = Aws::Util.deep_merge(options, tags: [{
        resource_type: @resource_type,
        resource_id: @resource_id,
        key: @key
      }])
      resp = @client.create_or_update_tags(options)
      resp.data
    end

    # @example Request syntax with placeholder values
    #
    #   tag.delete({
    #     tags: [ # required
    #       {
    #         resource_id: "XmlString",
    #         resource_type: "XmlString",
    #         key: "TagKey", # required
    #         value: "TagValue",
    #         propagate_at_launch: false,
    #       },
    #     ],
    #   })
    # @param [Hash] options ({})
    # @option options [required, Array<Types::Tag>] :tags
    #   One or more tags.
    # @return [EmptyStructure]
    def delete(options = {})
      options = Aws::Util.deep_merge(options, tags: [{
        resource_type: @resource_type,
        resource_id: @resource_id,
        key: @key
      }])
      resp = @client.delete_tags(options)
      resp.data
    end

    # @deprecated
    # @api private
    def identifiers
      {
        key: @key,
        resource_id: @resource_id,
        resource_type: @resource_type
      }
    end
    deprecated(:identifiers)

    private

    def extract_key(args, options)
      value = args[0] || options.delete(:key)
      case value
      when String then value
      when nil then raise ArgumentError, "missing required option :key"
      else
        msg = "expected :key to be a String, got #{value.class}"
        raise ArgumentError, msg
      end
    end

    def extract_resource_id(args, options)
      value = args[1] || options.delete(:resource_id)
      case value
      when String then value
      when nil then raise ArgumentError, "missing required option :resource_id"
      else
        msg = "expected :resource_id to be a String, got #{value.class}"
        raise ArgumentError, msg
      end
    end

    def extract_resource_type(args, options)
      value = args[2] || options.delete(:resource_type)
      case value
      when String then value
      when nil then raise ArgumentError, "missing required option :resource_type"
      else
        msg = "expected :resource_type to be a String, got #{value.class}"
        raise ArgumentError, msg
      end
    end

    class Collection < Aws::Resources::Collection

      # @!group Batch Actions

      # @param options ({})
      # @return [void]
      def batch_create(options = {})
        batch_enum.each do |batch|
          params = Aws::Util.copy_hash(options)
          params[:tags] ||= []
          batch.each do |item|
            params[:tags] << {
              resource_type: item.resource_type,
              resource_id: item.resource_id,
              key: item.key
            }
          end
          batch[0].client.create_or_update_tags(params)
        end
        nil
      end

      # @param options ({})
      # @return [void]
      def batch_delete!(options = {})
        batch_enum.each do |batch|
          params = Aws::Util.copy_hash(options)
          params[:tags] ||= []
          batch.each do |item|
            params[:tags] << {
              resource_type: item.resource_type,
              resource_id: item.resource_id,
              key: item.key
            }
          end
          batch[0].client.delete_tags(params)
        end
        nil
      end

      # @!endgroup

    end
  end
end