# frozen_string_literal: true

module JsDependency
  module CliUtils
    class Yaml
      attr_reader :args,
                  :dir_path

      # @param [String, nil] dir_path
      def initialize(dir_path: nil)
        @dir_path = dir_path || Dir.pwd
        pathname = config_pathname
        @args = if pathname.nil?
                  {}
                else
                  symbolize_keys(YAML.safe_load(pathname.read))
                end
      end

      private

      # @return [Pathname, nil]
      def config_pathname
        dir_pathname = Pathname.new(@dir_path)
        pathname = nil
        %w[.js_dependency.yml .js_dependency.yaml].each do |path|
          pathname = (dir_pathname + path) if (dir_pathname + path).exist?
        end
        pathname
      end

      # @param [Hash] hash
      # @return [Hash]
      def symbolize_keys(hash)
        hash.transform_keys(&:to_sym)
      end
    end
  end
end