# frozen_string_literal: true

module Diffend
  # Verifies voting verdicts for gems
  module Voting
    class << self
      # Build verdict
      #
      # @param command [String] either install or update
      # @param definition [Bundler::Definition] definition for your source
      def call(command, definition)
        Versions::Remote
          .call(command, definition)
          .tap { |response| build_message(command, response) }
      end

      def build_message(command, response)
        if response.key?('error')
          build_error(response)
        elsif response.key?('action')
          build_verdict(command, response)
        else
          raise UnsupportedResponse, response['action']
        end
      end

      def build_error(response)
        build_error_message(response)
          .tap(&Bundler.ui.method(:error))

        exit 1
      end

      def build_verdict(command, response)
        case response['action']
        when 'allow'
          build_allow_message(command, response)
            .tap(&Bundler.ui.method(:confirm))
        when 'deny'
          build_deny_message(command, response)
            .tap(&Bundler.ui.method(:error))

          exit 1
        else
          raise UnsupportedAction, response['action']
        end
      end

      def build_error_message(response)
        <<~MSG
          \nDiffend returned an error for your request.\n
          #{response['error']}\n
        MSG
      end

      def build_allow_message(command, response)
        <<~MSG
          \nDiffend reported an allow verdict for #{command} command for this project.\n
          All of our #{response['allows_count'] + response['denies_count']} checks succeeded.\n
          #{response['review_url']}\n
        MSG
      end

      def build_deny_message(command, response)
        <<~MSG
          \nDiffend reported a deny verdict for #{command} command for this project.\n
          #{response['denies_count']} out of our #{response['allows_count'] + response['denies_count']} checks failed. Please go to the url below and review the issues.\n
          #{response['review_url']}\n
        MSG
      end
    end
  end
end