# frozen_string_literal: true

module Spec
  module Platforms
    include Bundler::GemHelpers

    def rb
      Gem::Platform::RUBY
    end

    def mac
      Gem::Platform.new("x86-darwin-10")
    end

    def x64_mac
      Gem::Platform.new("x86_64-darwin-15")
    end

    def java
      Gem::Platform.new([nil, "java", nil])
    end

    def linux
      Gem::Platform.new(["x86", "linux", nil])
    end

    def mswin
      Gem::Platform.new(["x86", "mswin32", nil])
    end

    def mingw
      Gem::Platform.new(["x86", "mingw32", nil])
    end

    def x64_mingw
      Gem::Platform.new(["x64", "mingw32", nil])
    end

    def all_platforms
      [rb, java, linux, mswin, mingw, x64_mingw]
    end

    def local
      generic_local_platform
    end

    def specific_local_platform
      Bundler.local_platform
    end

    def not_local
      all_platforms.find {|p| p != generic_local_platform }
    end

    def local_tag
      if RUBY_PLATFORM == "java"
        :jruby
      else
        :ruby
      end
    end

    def not_local_tag
      [:ruby, :jruby].find {|tag| tag != local_tag }
    end

    def local_ruby_engine
      ENV["BUNDLER_SPEC_RUBY_ENGINE"] || (defined?(RUBY_ENGINE) ? RUBY_ENGINE : "ruby")
    end

    def local_engine_version
      return ENV["BUNDLER_SPEC_RUBY_ENGINE_VERSION"] if ENV["BUNDLER_SPEC_RUBY_ENGINE_VERSION"]

      case local_ruby_engine
      when "ruby"
        RUBY_VERSION
      when "rbx"
        Rubinius::VERSION
      when "jruby"
        JRUBY_VERSION
      else
        RUBY_ENGINE_VERSION
      end
    end

    def not_local_engine_version
      case not_local_tag
      when :ruby
        not_local_ruby_version
      when :jruby
        "1.6.1"
      end
    end

    def not_local_ruby_version
      "1.12"
    end

    def not_local_patchlevel
      9999
    end

    def lockfile_platforms
      local_platforms.map(&:to_s).sort.join("\n  ")
    end

    def local_platforms
      if Bundler::VERSION.split(".").first.to_i > 2
        [local, specific_local_platform]
      else
        [local]
      end
    end
  end
end