require "rake"
require "dtc_rake/config"
require "dtc_rake/ui"
require "json"
require "uu/os/uesuri"

module DtcRake
  class Product
    include Singleton
    include DtcRake::UI

    # Appbox version specified in deployment descriptor.
    attr_reader :version

    # UESURI of the appbox artifact.
    attr_reader :appbox_uri

    attr_reader :gem_project, :cmd_project, :vuc_project, :dockerfiles_project

    attr_reader :has_gem, :has_cmd, :has_vuc, :has_dockerfiles

    attr_reader :gem_file_name, :cmd_file_name, :vuc_file_name, :yardoc_file_name, :dockerfiles_file_name
    attr_reader :gem_attachment_code, :cmd_attachment_code, :vuc_attachment_code, :yardoc_attachment_code, :dockerfiles_attachment_code

    def initialize
      config = Config.instance
      root_dir = config.root_dir
      sibling_dir_path = File.expand_path(File.join(root_dir, "../#{config.vendor}_#{config.app}"))

      @gem_project = sibling_dir_path
      @has_gem = File.directory?(@gem_project)

      @cmd_project = "#{sibling_dir_path}-cmd"
      @has_cmd = File.directory?(@cmd_project)

      @vuc_project = "#{sibling_dir_path}-vuc"
      @has_vuc = File.directory?(@vuc_project)

      @dockerfiles_project = File.expand_path(File.join(root_dir, "../docker"))
      @has_dockerfiles = File.directory?(@dockerfiles_project)
    end

    def app_descriptor
      return @app_descriptor if @app_descriptor

      File.open(Config.instance.app_descriptor_path, "r") do |f|
        @app_descriptor = JSON.parse(f.read, symbolize_names: true)
      end
    end

    def version
      app_descriptor[:data][:version]
    end

    def appbox_uri
      return @appbox_uri if @appbox_uri

      config = Config.instance
      error("Territory code is not set. Set it in DtcRake.configure (attribute appbox_territory_code) in your Rakefile.") if config.appbox_territory_code.nil?
      appbox_artifact_code = config.appbox_artifact_code || "#{config.vendor.upcase}.#{config.app.upcase}_#{version}"
      appbox_uri = UU::OS::UESURI.create(territory_code: config.appbox_territory_code, artifact_code: appbox_artifact_code)
      @appbox_uri = appbox_uri
    end

    def gem_file_name
      return @gem_file_name if defined? @gem_file_name
      config = Config.instance
      # TODO Read version from version.rb or allow to override it from within the Rakefile
      # the actual gem version differs - e.g. uu_operation_registry-1.3.0.pre.BETA.1.gem (NOT uu_operation_registry-1.3.0-BETA.1.gem)
      gem_version = version.sub(/-(ALPHA|BETA|RC)/) { |match| ".pre.#{$1}" }
      @gem_file_name = "#{config.vendor}_#{config.app}-#{gem_version}.gem"
    end

    def cmd_file_name
      return @cmd_file_name if defined? @cmd_file_name
      config = Config.instance
      # TODO Read version from version.rb or allow to override it from within the Rakefile
      @cmd_file_name = "#{config.vendor}_#{config.app}-cmd-#{version}.war"
    end

    def vuc_file_name
      return @vuc_file_name if defined? @vuc_file_name
      config = Config.instance
      # TODO Read version from version.rb or allow to override it from within the Rakefile
      @vuc_file_name = "#{config.vendor}_#{config.app}-vuc-#{version}.war"
    end

    def dockerfiles_file_name
      return @dockerfiles_file_name if defined? @dockerfiles_file_name
      config = Config.instance
      # TODO Read version from version.rb or allow to override it from within the Rakefile
      @dockerfiles_file_name = "#{config.vendor}_#{config.app}-dockerfiles-#{version}.zip"
    end

    def yardoc_file_name
      return @yardoc_file_name if defined? @yardoc_file_name
      config = Config.instance
      @yardoc_file_name = "#{config.vendor}_#{config.app}-yardoc-#{version}.zip"
    end

    def gem_attachment_code
      return @gem_attachment_code if defined? @gem_attachment_code
      config = Config.instance
      @gem_attachment_code = "#{config.vendor.upcase}.#{config.app.upcase}/GEM-PACK"
    end

    def cmd_attachment_code
      return @cmd_attachment_code if defined? @cmd_attachment_code
      config = Config.instance
      @cmd_attachment_code = "#{config.vendor.upcase}.#{config.app.upcase}/CMD-PACK"
    end

    def vuc_attachment_code
      return @vuc_attachment_code if defined? @vuc_attachment_code
      config = Config.instance
      @vuc_attachment_code = "#{config.vendor.upcase}.#{config.app.upcase}/VUC-PACK"
    end

    def dockerfiles_attachment_code
      return @dockerfiles_attachment_code if defined? @dockerfiles_attachment_code
      config = Config.instance
      @dockerfiles_attachment_code = "#{config.vendor.upcase}.#{config.app.upcase}/DOCKERFILES-PACK"
    end

    def yardoc_attachment_code
      return @yardoc_attachment_code if defined? @yardoc_attachment_code
      config = Config.instance
      @yardoc_attachment_code = "#{config.vendor.upcase}.#{config.app.upcase}/YARDOC-PACK"
    end

    def app_descriptor_attachment_code
      return @app_descriptor_attachment_code if defined? @app_descriptor_attachment_code
      config = Config.instance
      @app_descriptor_attachment_code = "#{config.vendor.upcase}.#{config.app.upcase}/UUAPP-DEPLOY"
    end
  end
end