# frozen_string_literal: true

# CompatibilityKit contains a series of helper methods to determine paths for each relevant item(s)
class CompatibilityKit
  class << self
    # Return the paths for each example that is of 'gherkin' type
    def gherkin
      Dir.entries(cck_features_folder_location).select do |file_or_folder|
        next if file_or_folder.start_with?('.')

        gherkin_example?(File.join(cck_features_folder_location, file_or_folder))
      end
    end

    # Return the paths for each example that is of 'markdown' type
    # NB: At the moment this (1 example - 'markdown'), isn't compatible with cucumber-ruby
    def markdown
      Dir.entries(cck_features_folder_location).select do |file_or_folder|
        next if file_or_folder.start_with?('.')

        markdown_example?(File.join(cck_features_folder_location, file_or_folder))
      end
    end

    # Return the path for a specific example scenario based on its name
    #
    # i.e. 'attachments' would return the fully qualified path to the attachments folder
    # which contains the feature, the ndjson file and any applicable assets to run the example
    def feature_code_for(example_name)
      path = File.join(cck_features_folder_location, example_name)

      return path if File.directory?(path)

      raise ArgumentError, "No feature code directory found in gem for CCK example: #{example_name}"
    end

    private

    def cck_features_folder_location
      File.expand_path("#{File.dirname(__FILE__)}/../../features/")
    end

    def gherkin_example?(example_folder)
      file_type_in_folder?('.feature', example_folder)
    end

    def markdown_example?(example_folder)
      file_type_in_folder?('.md', example_folder)
    end

    def file_type_in_folder?(extension, folder)
      Dir.entries(folder).any? { |file| File.extname(file) == extension }
    end
  end
end