# encoding: utf-8
module LocalPac
  module Actions
    class ShowAvailableProxyPacFiles
      private

      attr_reader :repo, :options, :vcs_engine, :storage_path, :validator

      public

      def initialize(storage_path, options = {}, vcs_engine = GitStorage, validator = PacFileValidator.new)
        @options      = options
        @vcs_engine   = vcs_engine
        @storage_path = storage_path
        @validator    = validator
      end

      def run
        begin
          @repo = vcs_engine.new(storage_path)
        rescue Rugged::OSError
          raise Exceptions::RepositoryDoesNotExist, "Sorry, but the repository at #{storage_path} does not exist" unless ::Dir.exists? storage_path
        end

        printf "%20s | %-20s | %-10s\n", 'Name', 'Path', 'Valid?'
        printf "%20s-+-%-20s-+-%-10s\n", '-' * 20, '-' * 20, '-' * 10

        repo.each_pac_file do |f|
          printf "%20s | %-20s | %-10s\n", f.name, f.path, validator.valid?(f) 
        end
      end
    end
  end
end