#!/usr/bin/env python

#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
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import sys, glob
sys.path.append('gen-py.twisted')
sys.path.insert(0, glob.glob('../../lib/py/build/lib.*')[0])

from tutorial import Calculator
from tutorial.ttypes import *

from twisted.internet.defer import inlineCallbacks
from twisted.internet import reactor
from twisted.internet.protocol import ClientCreator

from thrift import Thrift
from thrift.transport import TTwisted
from thrift.protocol import TBinaryProtocol

@inlineCallbacks
def main(client):
  yield client.ping()
  print 'ping()'

  sum = yield client.add(1,1)
  print '1+1=%d' % (sum)

  work = Work()

  work.op = Operation.DIVIDE
  work.num1 = 1
  work.num2 = 0

  try:
    quotient = yield client.calculate(1, work)
    print 'Whoa? You know how to divide by zero?'
  except InvalidOperation, io:
    print 'InvalidOperation: %r' % io

  work.op = Operation.SUBTRACT
  work.num1 = 15
  work.num2 = 10

  diff = yield client.calculate(1, work)
  print '15-10=%d' % (diff)

  log = yield client.getStruct(1)
  print 'Check log: %s' % (log.value)
  reactor.stop()

if __name__ == '__main__':
    d = ClientCreator(reactor,
                      TTwisted.ThriftClientProtocol,
                      Calculator.Client,
                      TBinaryProtocol.TBinaryProtocolFactory(),
                      ).connectTCP("127.0.0.1", 9090)
    d.addCallback(lambda conn: conn.client)
    d.addCallback(main)

    reactor.run()
