require "hara/version"

module Hara
  class << self
    #decode message, return action and args
    def decode_msg msg
      msg = JSON.parse(msg)
      msg.values_at 'action', 'args'
    end

    def encode_msg action, *args
      {action: action, args: args}.to_json
    end

    def filter_class
      @filter_class || DefaultFilter
    end

    def filter_class= klass
      @filter_class = klass
    end

    def filter_pool_size= size
      @filter_pool_size = size
    end

    def filter_pool_size
      @filter_pool_size || 10
    end

    def filter_pool
      @filter_pool ||= filter_class.pool(size: filter_pool_size)
    end
  end
end

require 'hara/app'
require 'hara/filter'
require 'hara/default_filter'
require 'hara/server'