class Honeybadger::Metric

def self.metric_type
  name.split("::").last.downcase
end

def self.register(registry, metric_name, attributes)
  registry.get(metric_type, metric_name, attributes) ||
    registry.register(new(metric_name, attributes))
end

def self.signature(metric_type, name, attributes)
  Digest::SHA1.hexdigest("#{metric_type}-#{name}-#{attributes.keys.join("-")}-#{attributes.values.join("-")}").to_sym
end

def base_payload
  attributes.merge({
    event_type: "metric.hb",
    metric_name: name,
    metric_type: metric_type,
    samples: samples
  })
end

def event_payloads
  payloads.map do |payload|
    base_payload.merge(payload)
  end
end

def initialize(name, attributes)
  @name = name
  @attributes = attributes || {}
  @samples = 0
end

def metric_type
  self.class.metric_type
end

def signature
  self.class.signature(metric_type, name, attributes)
end