require "json"
require 'sinatra/base'
require "sinatra/json"

require "providers/provider_factory"

module Devops
  module API2_0
    module Helpers

      include Sinatra::JSON

      def create_response msg, obj=nil, rstatus=200
        logger.info(msg)
        status rstatus
        obj = {} if obj.nil?
        obj[:message] = msg
        json(obj)
      end

      def halt_response msg, rstatus=400
        obj = {:message => msg}
        halt(rstatus, json(obj))
      end

      def check_privileges cmd, p
        user = request.env['USER']
        user.check_privileges(cmd, p)
      end

      def check_provider provider
        list = ::Provider::ProviderFactory.providers
        halt_response("Invalid provider '#{provider}', available providers: '#{list.join("', '")}'", 404) unless list.include?(provider)
      end

      # Save information about requests with methods POST, PUT, DELETE
      def insert_statistic msg=nil
        unless request.get?
          settings.mongo.insert_statistic request.env['REMOTE_USER'], request.path, request.request_method, @body_json, response.status
        end
      end

    end
  end
end