# frozen_string_literal: true

require "refinements/structs"

module Git
  module Lint
    module CLI
      module Parsers
        # Handles parsing of Command Line Interface (CLI) core options.
        class Core
          using ::Refinements::Structs

          def self.call(...) = new(...).call

          def initialize configuration = Container[:configuration],
                         client: Parser::CLIENT,
                         container: Container
            @configuration = configuration
            @client = client
            @container = container
          end

          def call arguments = []
            client.banner = specification.labeled_summary
            client.separator "\nUSAGE:\n"
            collate
            client.parse arguments
            configuration
          end

          private

          attr_reader :configuration, :client, :container

          def collate = private_methods.sort.grep(/add_/).each { |method| __send__ method }

          def add_analyze
            client.on "-a", "--analyze [options]", "Analyze current branch commits." do
              configuration.merge! action_analyze: true
            end
          end

          def add_config
            client.on(
              "-c",
              "--config ACTION",
              %i[edit view],
              "Manage gem configuration. Actions: edit or view."
            ) do |action|
              configuration.merge! action_config: action
            end
          end

          def add_hook
            client.on "--hook PATH", "Hook for analyzing unsaved commits." do |path|
              configuration.merge! action_hook: Pathname(path)
            end
          end

          def add_version
            client.on "-v", "--version", "Show gem version." do
              configuration.merge! action_version: true
            end
          end

          def add_help
            client.on "-h", "--help", "Show this message." do
              configuration.merge! action_help: true
            end
          end

          def specification = container[__method__]
        end
      end
    end
  end
end