module Xcal
  module Parktronic
    module Routes

      module Events

        # Fetches event with specific ID
        #
        # ==== Parameters
        # * +id+ event ID
        #
        # ==== Examples
        #   api.get_event(1)
        #   api.event(1)
        def get_event(id)
          response = http.get("/#{api_version}/events/#{id}?access_token=#{access_token}")

          generic_response = Xcal::Parktronic::GenericResponse.new(response.body)
          response.code == '200' ? Xcal::Parktronic::GenericResponse.new(generic_response.event, self) : generic_response

          # TODO Add caching
        end
        alias :event :get_event


        # Update event with specific ID
        #
        # ==== Parameters
        # * +id+ event ID
        # * +params+ alarm params
        #
        # ==== Examples
        #   api.update_event(2, subject: 'new subject')
        #   api.update_event(5, subject: 'new subject', description: 'new description')
        def update_event(id, params)
          begin
            request = Net::HTTP::Patch.new("/#{api_version}/events/#{id}", 'Content-Type' => 'application/json')
          rescue # ruby 1.9.2
            request = Net::HTTP::Put.new("/#{api_version}/events/#{id}", 'Content-Type' => 'application/json')
          end
          request.body = { access_token: access_token, event: params }.to_json

          response = http.start { |net| net.request(request) }
          Xcal::Parktronic::GenericResponse.new(response.body)
        end

        # Find all Event Tags
        #
        # ==== Parameters
        # * +id+ event ID
        #
        # ==== Examples
        #   api.get_event_tags(2)
        #   api.event_tags(2)
        def get_event_tags(id)
          response = http.get("/#{api_version}/events/#{id}/tags?#{URI.encode_www_form(access_token: access_token)}")

          generic_response = Xcal::Parktronic::GenericResponse.new(response.body, self)
          response.code == '200' && generic_response.has_key?(:tags) ? generic_response.tags.map(&:tag) : generic_response
        end
        alias :event_tags :get_event_tags

      end

    end
  end
end