require 'rubygems'
require 'redis'
require 'json'

class SetOfHashes
  def initialize(r)
    @redis = r
  end

  def sadd(set_name, hashes)
    puts "adding #{set_name} with val: #{hashes.to_json}"
    @redis.sadd "hello", "world"
    @redis.sadd set_name, hashes.to_json
  end

  def spop(set_name)
    val = @redis.spop(set_name)
    JSON.parse val if val
  end

  def smove(src_set, dest_set, member)
    @redis.smove src_set, dest_set, member.to_json
  end

  def sismember(set_name, member)
    @redis.sismember set_name, member.to_json
  end

  def smembers(set_name)
    @redis.smembers.set_name.map { |member| JSON.parse member }
  end

  def srandmember(set_name)
    val = @redis.srandmember(set_name)
    JSON.parse val if val
  end

  def method_missing(method, *args, &block)
    if [:srem, :scard, :sinterstore, :sunion, :sunionstore, :sdiff, :sdiffstore].member?(method)
      @redis.send method, *args
    else
      super
    end
  end

end

set = SetOfHashes.new Redis.new
set.sadd "food", { :pizza => "Lombardi's" }
set.sadd "food", { :pizza => "Motorino" }
puts set.spop "food"
puts set.spop "food"