$:.push("gen-rb")
$:.unshift "../../lib/rb/lib"

require "thrift"

require "calculator"

begin
  port = ARGV[0] || 9090

  transport = Thrift::BufferedTransport.new(Thrift::Socket.new("localhost", port))
  protocol = Thrift::BinaryProtocol.new(transport)
  client = Calculator::Client.new(protocol)

  transport.open

  client.ping
  print "ping()\n"

  sum = client.add(1, 1)
  print "1+1=", sum, "\n"

  sum = client.add(1, 4)
  print "1+4=", sum, "\n"

  work = Work.new

  work.op = Operation::SUBTRACT
  work.num1 = 15
  work.num2 = 10
  diff = client.calculate(1, work)
  print "15-10=", diff, "\n"

  log = client.getStruct(1)
  print "Log: ", log.value, "\n"

  begin
    work.op = Operation::DIVIDE
    work.num1 = 1
    work.num2 = 0
    client.calculate(1, work)
    puts "Whoa, we can divide by 0 now?"
  rescue InvalidOperation => io
    print "InvalidOperation: ", io.why, "\n"
  end

  client.zip
  print "zip\n"

  transport.close
rescue Thrift::Exception => tx
  print "Thrift::Exception: ", tx.message, "\n"
end

$:.push("gen-rb")
$:.unshift "../../lib/rb/lib"

require "thrift"

require "calculator"
require "shared_types"

class CalculatorHandler
  def initialize
    @log = {}
  end

  def ping
    puts "ping()"
  end

  def add(n1, n2)
    print "add(", n1, ",", n2, ")\n"
    n1 + n2
  end

  def calculate(logid, work)
    print "calculate(", logid, ", {", work.op, ",", work.num1, ",", work.num2, "})\n"
    if work.op == Operation::ADD
      val = work.num1 + work.num2
    elsif work.op == Operation::SUBTRACT
      val = work.num1 - work.num2
    elsif work.op == Operation::MULTIPLY
      val = work.num1 * work.num2
    elsif work.op == Operation::DIVIDE
      if work.num2 == 0
        x = InvalidOperation.new
        x.whatOp = work.op
        x.why = "Cannot divide by 0"
        raise x
      end
      val = work.num1 / work.num2
    else
      x = InvalidOperation.new
      x.whatOp = work.op
      x.why = "Invalid operation"
      raise x
    end

    entry = SharedStruct.new
    entry.key = logid
    entry.value = val.to_s
    @log[logid] = entry

    val
  end

  def getStruct(key)
    print "getStruct(", key, ")\n"
    @log[key]
  end

  def zip
    print "zip\n"
  end
end

handler = CalculatorHandler.new
processor = Calculator::Processor.new(handler)
transport = Thrift::ServerSocket.new(9090)
transportFactory = Thrift::BufferedTransportFactory.new
server = Thrift::SimpleServer.new(processor, transport, transportFactory)

puts "Starting the server..."
server.serve
puts "done."