require "rails/generators"

module QuestionsCrafter
  module Generators
    class QuestionsGenerator < Rails::Generators::NamedBase
      source_root File.expand_path("templates", __dir__)
      argument :questions, type: :array, default: [], desc: "List of questions in format name:type (types: short, long, boolean, choice)"

      def create_questions_file
        @parsed_questions = parse_questions(questions)
        template "questions.rb.erb", "app/questions/#{file_path}.rb"
      end

      # Both class_name and file_path were overriden to add the "Questions" suffix if needed similar to how Rails does it for controllers
      def class_name
        intermediate_class_name = super
        intermediate_class_name.match(/Questions$/) ? intermediate_class_name : "#{intermediate_class_name}Questions"
      end

      def file_path
        path = super
        path.match(/questions$/) ? path : "#{path}_questions"
      end

      private

      def parse_questions(questions_array)
        questions_array.map do |question_def|
          name, type = question_def.split(":")
          type = "string" if type.nil? || type.empty?

          case type.downcase
          when "string"
            { name: name, type: "string", title: name.humanize }
          when "text"
            { name: name, type: "text", title: name.humanize }
          when "boolean"
            { name: name, type: "boolean", title: name.humanize }
          when "radio"
            { name: name, type: "radio", title: name.humanize, has_options: true }
          when "integer"
            { name: name, type: "integer", title: name.humanize }
          when "select"
            { name: name, type: "select", title: name.humanize, has_options: true }
          when "checkbox_group"
            { name: name, type: "checkbox_group", title: name.humanize, has_options: true }
          else
            { name: name, type: "string", title: name.humanize }
          end
        end
      end
    end
  end
end