require 'ostruct'

module Getapp
  module Capterra
    # == Getapp::Capterra::Product Class
    #
    # Responsible for transforming Capterra formatted product
    # into common Getapp product format.
    #
    class Product
      attr_reader :product, :verbose

      # == Getapp::Capterra::Product::PRODUCT_KEYS_MAPPING Constant
      #
      # Hold key mappings for Capterra Product to Getapp Product
      #
      PRODUCT_KEYS_MAPPING = {
        name: :Name,
        tags: :Categories,
        twitter: :Twitter
      }.freeze

      # == Getapp::Capterra::Product initialize Method
      #
      # @param [Hash<String: String>], Boolean
      # @return Getapp::Capterra::Product instance.
      #
      def initialize(product, verbose = false)
        @product = product.transform_keys(&:to_sym)
        @verbose = verbose
      end

      # == Getapp::Capterra::Product get Method
      #
      # Transform keys from Capterra::Product to Getapp Product
      #
      # @param [String]
      # @return [OpenStruct<Key=Value>]
      # #<OpenStruct Name="GitHub", Categories="Bugs & Issue Tracking,Development Tools", Twitter="github">
      def get
        OpenStruct.new(PRODUCT_KEYS_MAPPING.map { |k, v| [v, product[k]] }.to_h)
      end
    end
  end
end