#
# Copyright:: Copyright (c) Chef Software Inc.
# 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_relative "../internal"

module ChefUtils
  module DSL
    module Architecture
      include Internal

      # Determine if the current architecture is 64-bit.
      #
      # @since 15.5
      #
      # @return [Boolean]
      #
      def _64_bit?(node = __getnode)
        %w{amd64 x86_64 ppc64 ppc64le s390x ia64 sparc64 aarch64 arch64 arm64 sun4v sun4u}
          .include?(node["kernel"]["machine"])
      end

      # Determine if the current architecture is 32-bit.
      #
      # @since 15.5
      #
      # @return [Boolean]
      #
      def _32_bit?(node = __getnode)
        !_64_bit?(node)
      end

      # Determine if the current architecture is i386.
      #
      # @since 15.5
      #
      # @return [Boolean]
      #
      def i386?(node = __getnode)
        _32_bit?(node) && intel?(node)
      end

      # Determine if the current architecture is Intel.
      #
      # @since 15.5
      #
      # @return [Boolean]
      #
      def intel?(node = __getnode)
        %w{i86pc i386 x86_64 amd64 i686}.include?(node["kernel"]["machine"])
      end

      # Determine if the current architecture is SPARC.
      #
      # @since 15.5
      #
      # @return [Boolean]
      #
      def sparc?(node = __getnode)
        %w{sun4u sun4v}.include?(node["kernel"]["machine"])
      end

      # Determine if the current architecture is PowerPC 64bit Big Endian.
      #
      # @since 15.5
      #
      # @return [Boolean]
      #
      def ppc64?(node = __getnode)
        %w{ppc64}.include?(node["kernel"]["machine"])
      end

      # Determine if the current architecture is PowerPC 64bit Little Endian.
      #
      # @since 15.5
      #
      # @return [Boolean]
      #
      def ppc64le?(node = __getnode)
        %w{ppc64le}.include?(node["kernel"]["machine"])
      end

      # Determine if the current architecture is PowerPC.
      #
      # @since 15.5
      #
      # @return [Boolean]
      #
      def powerpc?(node = __getnode)
        %w{powerpc}.include?(node["kernel"]["machine"])
      end

      # Determine if the current architecture is arm
      #
      # @since 15.10
      #
      # @return [Boolean]
      #
      def arm?(node = __getnode)
        %w{armv6l armv7l armhf aarch64 arm64 arch64}.include?(node["kernel"]["machine"])
      end

      # Determine if the current architecture is 32-bit ARM hard float.
      #
      # @since 15.5
      #
      # @return [Boolean]
      #
      def armhf?(node = __getnode)
        %w{armv6l armv7l armhf}.include?(node["kernel"]["machine"])
      end

      # Determine if the current architecture is s390x.
      #
      # @since 15.5
      #
      # @return [Boolean]
      #
      def s390x?(node = __getnode)
        %w{s390x}.include?(node["kernel"]["machine"])
      end

      # Determine if the current architecture is s390.
      #
      # @since 15.5
      #
      # @return [Boolean]
      #
      def s390?(node = __getnode)
        %w{s390}.include?(node["kernel"]["machine"])
      end

      extend self
    end
  end
end