# frozen_string_literal: true

##
# Usage example:
#
#   result = ConvenientService::Examples::Standard::Gemfile::Services::Format.result(path: "Gemfile")
#   result = ConvenientService::Examples::Standard::Gemfile::Services::Format.result(path: "spec/cli/gemfile/format/fixtures/Gemfile")
#
module ConvenientService
  module Examples
    module Standard
      class Gemfile
        module Services
          class Format
            include ConvenientService::Standard::Config

            attr_reader :path

            step :validate_path,
              in: :path

            step Services::ReadFileContent,
              in: :path,
              out: :content

            step Services::StripComments,
              in: :content,
              out: :content_without_comments

            step Services::ParseContent,
              in: {content: :content_without_comments},
              out: :parsed_content

            step Services::FormatHeader,
              in: :parsed_content,
              out: {formatted_content: :formatted_header_content}

            step Services::FormatBody,
              in: :parsed_content,
              out: {formatted_content: :formatted_body_content}

            step Services::MergeSections,
              in: [
                {header: :formatted_header_content},
                {body: :formatted_body_content}
              ],
              out: :merged_sections

            step Services::ReplaceFileContent,
              in: [
                :path,
                {content: :merged_sections}
              ]

            before :result do
              @progressbar = ::ProgressBar.create(title: "Formatting", total: steps.count)
            end

            after :step do |step|
              @progressbar.increment
            end

            def initialize(path:)
              @path = path
            end

            private

            def validate_path
              return error("Path is `nil`") if path.nil?
              return error("Path is empty") if path.empty?

              success
            end
          end
        end
      end
    end
  end
end