xively/xively-rb

module Xively
  class Trigger
    ALLOWED_KEYS = %w(threshold_value user notified_at url trigger_type id environment_id stream_id)
    ALLOWED_KEYS.each { |key| attr_accessor(key.to_sym) }

    include Xively::Templates::JSON::TriggerDefaults
    include Xively::Parsers::JSON::TriggerDefaults
    include Xively::Parsers::XML::TriggerDefaults

    # validates_presence_of :url
    # validates_presence_of :stream_id
    # validates_presence_of :environment_id
    # validates_presence_of :user

    include Validations

    def valid?
      pass = true
      [:url, :stream_id, :environment_id, :user].each do |attr|
        if self.send(attr).blank?
          errors[attr] = ["can't be blank"]
          pass = false
        end
      end
      return pass
    end

    def initialize(input = {}, format = nil)
      raise InvalidFormatError, "Unknown format specified, currently we can only parse JSON or XML." unless [nil,:json,:xml].include?(format)
      if input.is_a?(Hash)
        self.attributes = input
      elsif format == :json || (format.nil? && input.strip[0...1].to_s == "{")
        self.attributes = from_json(input)
      else
        self.attributes = from_xml(input)
      end
    end

    def attributes
      h = {}
      ALLOWED_KEYS.each do |key|
        value = self.send(key)
        h[key] = value unless value.nil?
      end
      return h
    end

    def attributes=(input)
      return if input.nil?
      ALLOWED_KEYS.each { |key| self.send("#{key}=", input[key]) }
      return attributes
    end

    def as_json(options = {})
      generate_json
    end

    def to_json(options = {})
      MultiJson.dump as_json(options)
    end


  end
end