/*
 * 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
 * under the License.
 */

#define __STDC_FORMAT_MACROS
#include <inttypes.h>

#include <iostream>
#include <thrift/protocol/TBinaryProtocol.h>
#include <thrift/protocol/TCompactProtocol.h>
#include <thrift/protocol/TJSONProtocol.h>
#include <thrift/transport/THttpClient.h>
#include <thrift/transport/TTransportUtils.h>
#include <thrift/transport/TSocket.h>
#include <thrift/transport/TSSLSocket.h>
#include <thrift/async/TEvhttpClientChannel.h>
#include <thrift/server/TNonblockingServer.h> // <event.h>

#include <boost/shared_ptr.hpp>
#include <boost/program_options.hpp>
#include <boost/filesystem.hpp>
#include <thrift/cxxfunctional.h>
#if _WIN32
#include <thrift/windows/TWinsockSingleton.h>
#endif

#include "ThriftTest.h"

using namespace std;
using namespace apache::thrift;
using namespace apache::thrift::protocol;
using namespace apache::thrift::transport;
using namespace thrift::test;
using namespace apache::thrift::async;

// Length of argv[0] - Length of script dir
#define EXECUTABLE_FILE_NAME_LENGTH 19


// Current time, microseconds since the epoch
uint64_t now() {
  int64_t ret;
  struct timeval tv;

  THRIFT_GETTIMEOFDAY(&tv, NULL);
  ret = tv.tv_sec;
  ret = ret * 1000 * 1000 + tv.tv_usec;
  return ret;
}

static void testString_clientReturn(const char* host,
                                    int port,
                                    event_base* base,
                                    TProtocolFactory* protocolFactory,
                                    ThriftTestCobClient* client) {
  (void)host;
  (void)port;
  (void)protocolFactory;
  try {
    string s;
    client->recv_testString(s);
    cout << "testString: " << s << endl;
  } catch (TException& exn) {
    cout << "Error: " << exn.what() << endl;
  }

  event_base_loopbreak(base); // end test
}

static void testVoid_clientReturn(const char* host,
                                  int port,
                                  event_base* base,
                                  TProtocolFactory* protocolFactory,
                                  ThriftTestCobClient* client) {
  try {
    client->recv_testVoid();
    cout << "testVoid" << endl;

    // next test
    delete client;
    boost::shared_ptr<TAsyncChannel> channel(new TEvhttpClientChannel(host, "/", host, port, base));
    client = new ThriftTestCobClient(channel, protocolFactory);
    client->testString(tcxx::bind(testString_clientReturn,
                                  host,
                                  port,
                                  base,
                                  protocolFactory,
                                  tcxx::placeholders::_1),
                       "Test");
  } catch (TException& exn) {
    cout << "Error: " << exn.what() << endl;
  }
}

int main(int argc, char** argv) {
  string file_path = boost::filesystem::system_complete(argv[0]).string();
  string dir_path = file_path.substr(0, file_path.size() - EXECUTABLE_FILE_NAME_LENGTH);
#if _WIN32
  transport::TWinsockSingleton::create();
#endif
  string host = "localhost";
  int port = 9090;
  int numTests = 1;
  bool ssl = false;
  string transport_type = "buffered";
  string protocol_type = "binary";
  string domain_socket = "";
  bool noinsane = false;

  boost::program_options::options_description desc("Allowed options");
  desc.add_options()("help,h",
                     "produce help message")("host",
                                             boost::program_options::value<string>(&host)
                                                 ->default_value(host),
                                             "Host to connect")("port",
                                                                boost::program_options::value<int>(
                                                                    &port)->default_value(port),
                                                                "Port number to connect")(
      "domain-socket",
      boost::program_options::value<string>(&domain_socket)->default_value(domain_socket),
      "Domain Socket (e.g. /tmp/ThriftTest.thrift), instead of host and port")(
      "transport",
      boost::program_options::value<string>(&transport_type)->default_value(transport_type),
      "Transport: buffered, framed, http, evhttp")(
      "protocol",
      boost::program_options::value<string>(&protocol_type)->default_value(protocol_type),
      "Protocol: binary, compact, json")("ssl", "Encrypted Transport using SSL")(
      "testloops,n",
      boost::program_options::value<int>(&numTests)->default_value(numTests),
      "Number of Tests")("noinsane", "Do not run insanity test");

  boost::program_options::variables_map vm;
  boost::program_options::store(boost::program_options::parse_command_line(argc, argv, desc), vm);
  boost::program_options::notify(vm);

  if (vm.count("help")) {
    cout << desc << "\n";
    return 1;
  }

  try {
    if (!protocol_type.empty()) {
      if (protocol_type == "binary") {
      } else if (protocol_type == "compact") {
      } else if (protocol_type == "json") {
      } else {
        throw invalid_argument("Unknown protocol type " + protocol_type);
      }
    }

    if (!transport_type.empty()) {
      if (transport_type == "buffered") {
      } else if (transport_type == "framed") {
      } else if (transport_type == "http") {
      } else if (transport_type == "evhttp") {
      } else {
        throw invalid_argument("Unknown transport type " + transport_type);
      }
    }

  } catch (std::exception& e) {
    cerr << e.what() << endl;
    cout << desc << "\n";
    return 1;
  }

  if (vm.count("ssl")) {
    ssl = true;
  }

  if (vm.count("noinsane")) {
    noinsane = true;
  }

  boost::shared_ptr<TTransport> transport;
  boost::shared_ptr<TProtocol> protocol;

  boost::shared_ptr<TSocket> socket;
  boost::shared_ptr<TSSLSocketFactory> factory;

  if (ssl) {
    factory = boost::shared_ptr<TSSLSocketFactory>(new TSSLSocketFactory());
    factory->ciphers("ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH");
    factory->loadTrustedCertificates((dir_path + "../keys/CA.pem").c_str());
    factory->authenticate(true);
    socket = factory->createSocket(host, port);
  } else {
    if (domain_socket != "") {
      socket = boost::shared_ptr<TSocket>(new TSocket(domain_socket));
      port = 0;
    } else {
      socket = boost::shared_ptr<TSocket>(new TSocket(host, port));
    }
  }

  if (transport_type.compare("http") == 0) {
    boost::shared_ptr<TTransport> httpSocket(new THttpClient(socket, host, "/service"));
    transport = httpSocket;
  } else if (transport_type.compare("framed") == 0) {
    boost::shared_ptr<TFramedTransport> framedSocket(new TFramedTransport(socket));
    transport = framedSocket;
  } else {
    boost::shared_ptr<TBufferedTransport> bufferedSocket(new TBufferedTransport(socket));
    transport = bufferedSocket;
  }

  if (protocol_type.compare("json") == 0) {
    boost::shared_ptr<TProtocol> jsonProtocol(new TJSONProtocol(transport));
    protocol = jsonProtocol;
  } else if (protocol_type.compare("compact") == 0) {
    boost::shared_ptr<TProtocol> compactProtocol(new TCompactProtocol(transport));
    protocol = compactProtocol;
  } else {
    boost::shared_ptr<TBinaryProtocol> binaryProtocol(new TBinaryProtocol(transport));
    protocol = binaryProtocol;
  }

  // Connection info
  cout << "Connecting (" << transport_type << "/" << protocol_type << ") to: " << domain_socket;
  if (port != 0) {
    cout << host << ":" << port;
  }
  cout << endl;

  if (transport_type.compare("evhttp") == 0) {
    event_base* base = event_base_new();
    cout << "Libevent Version: " << event_get_version() << endl;
    cout << "Libevent Method: " << event_base_get_method(base) << endl;
#if LIBEVENT_VERSION_NUMBER >= 0x02000000
    cout << "Libevent Features: 0x" << hex << event_base_get_features(base) << endl;
#endif

    boost::shared_ptr<TProtocolFactory> protocolFactory(new TBinaryProtocolFactory());

    boost::shared_ptr<TAsyncChannel> channel(
        new TEvhttpClientChannel(host.c_str(), "/", host.c_str(), port, base));
    ThriftTestCobClient* client = new ThriftTestCobClient(channel, protocolFactory.get());
    client->testVoid(tcxx::bind(testVoid_clientReturn,
                                host.c_str(),
                                port,
                                base,
                                protocolFactory.get(),
                                tcxx::placeholders::_1));

    event_base_loop(base, 0);
    return 0;
  }

  ThriftTestClient testClient(protocol);

  uint64_t time_min = 0;
  uint64_t time_max = 0;
  uint64_t time_tot = 0;

  int failCount = 0;
  int test = 0;
  for (test = 0; test < numTests; ++test) {

    try {
      transport->open();
    } catch (TTransportException& ttx) {
      printf("Connect failed: %s\n", ttx.what());
      return 1;
    }

    /**
     * CONNECT TEST
     */
    printf("Test #%d, connect %s:%d\n", test + 1, host.c_str(), port);

    uint64_t start = now();

    /**
     * VOID TEST
     */
    try {
      printf("testVoid()");
      testClient.testVoid();
      printf(" = void\n");
    } catch (TApplicationException& tax) {
      printf("%s\n", tax.what());
      failCount++;
    }

    /**
     * STRING TEST
     */
    printf("testString(\"Test\")");
    string s;
    testClient.testString(s, "Test");
    printf(" = \"%s\"\n", s.c_str());
    if (s != "Test")
      failCount++;

    /**
     * BYTE TEST
     */
    printf("testByte(1)");
    uint8_t u8 = testClient.testByte(1);
    printf(" = %d\n", (int)u8);
    if (u8 != 1)
      failCount++;

    /**
     * I32 TEST
     */
    printf("testI32(-1)");
    int32_t i32 = testClient.testI32(-1);
    printf(" = %d\n", i32);
    if (i32 != -1)
      failCount++;

    /**
     * I64 TEST
     */
    printf("testI64(-34359738368)");
    int64_t i64 = testClient.testI64(-34359738368LL);
    printf(" = %" PRId64 "\n", i64);
    if (i64 != -34359738368LL)
      failCount++;

    /**
     * DOUBLE TEST
     */
    printf("testDouble(-5.2098523)");
    double dub = testClient.testDouble(-5.2098523);
    printf(" = %f\n", dub);
    if ((dub - (-5.2098523)) > 0.001)
      failCount++;

    /**
     * BINARY TEST
     */
    // TODO: add testBinary() call

    /**
     * STRUCT TEST
     */
    printf("testStruct({\"Zero\", 1, -3, -5})");
    Xtruct out;
    out.string_thing = "Zero";
    out.byte_thing = 1;
    out.i32_thing = -3;
    out.i64_thing = -5;
    Xtruct in;
    testClient.testStruct(in, out);
    printf(" = {\"%s\", %d, %d, %" PRId64 "}\n",
           in.string_thing.c_str(),
           (int)in.byte_thing,
           in.i32_thing,
           in.i64_thing);
    if (in != out)
      failCount++;

    /**
     * NESTED STRUCT TEST
     */
    printf("testNest({1, {\"Zero\", 1, -3, -5}), 5}");
    Xtruct2 out2;
    out2.byte_thing = 1;
    out2.struct_thing = out;
    out2.i32_thing = 5;
    Xtruct2 in2;
    testClient.testNest(in2, out2);
    in = in2.struct_thing;
    printf(" = {%d, {\"%s\", %d, %d, %" PRId64 "}, %d}\n",
           in2.byte_thing,
           in.string_thing.c_str(),
           (int)in.byte_thing,
           in.i32_thing,
           in.i64_thing,
           in2.i32_thing);
    if (in2 != out2)
      failCount++;

    /**
     * MAP TEST
     */
    map<int32_t, int32_t> mapout;
    for (int32_t i = 0; i < 5; ++i) {
      mapout.insert(make_pair(i, i - 10));
    }
    printf("testMap({");
    map<int32_t, int32_t>::const_iterator m_iter;
    bool first = true;
    for (m_iter = mapout.begin(); m_iter != mapout.end(); ++m_iter) {
      if (first) {
        first = false;
      } else {
        printf(", ");
      }
      printf("%d => %d", m_iter->first, m_iter->second);
    }
    printf("})");
    map<int32_t, int32_t> mapin;
    testClient.testMap(mapin, mapout);
    printf(" = {");
    first = true;
    for (m_iter = mapin.begin(); m_iter != mapin.end(); ++m_iter) {
      if (first) {
        first = false;
      } else {
        printf(", ");
      }
      printf("%d => %d", m_iter->first, m_iter->second);
    }
    printf("}\n");
    if (mapin != mapout)
      failCount++;

    /**
     * STRING MAP TEST
     *  missing
     */

    /**
     * SET TEST
     */
    set<int32_t> setout;
    for (int32_t i = -2; i < 3; ++i) {
      setout.insert(i);
    }
    printf("testSet({");
    set<int32_t>::const_iterator s_iter;
    first = true;
    for (s_iter = setout.begin(); s_iter != setout.end(); ++s_iter) {
      if (first) {
        first = false;
      } else {
        printf(", ");
      }
      printf("%d", *s_iter);
    }
    printf("})");
    set<int32_t> setin;
    testClient.testSet(setin, setout);
    printf(" = {");
    first = true;
    for (s_iter = setin.begin(); s_iter != setin.end(); ++s_iter) {
      if (first) {
        first = false;
      } else {
        printf(", ");
      }
      printf("%d", *s_iter);
    }
    printf("}\n");
    if (setin != setout)
      failCount++;

    /**
     * LIST TEST
     */
    vector<int32_t> listout;
    for (int32_t i = -2; i < 3; ++i) {
      listout.push_back(i);
    }
    printf("testList({");
    vector<int32_t>::const_iterator l_iter;
    first = true;
    for (l_iter = listout.begin(); l_iter != listout.end(); ++l_iter) {
      if (first) {
        first = false;
      } else {
        printf(", ");
      }
      printf("%d", *l_iter);
    }
    printf("})");
    vector<int32_t> listin;
    testClient.testList(listin, listout);
    printf(" = {");
    first = true;
    for (l_iter = listin.begin(); l_iter != listin.end(); ++l_iter) {
      if (first) {
        first = false;
      } else {
        printf(", ");
      }
      printf("%d", *l_iter);
    }
    printf("}\n");
    if (listin != listout)
      failCount++;

    /**
     * ENUM TEST
     */
    printf("testEnum(ONE)");
    Numberz::type ret = testClient.testEnum(Numberz::ONE);
    printf(" = %d\n", ret);
    if (ret != Numberz::ONE)
      failCount++;

    printf("testEnum(TWO)");
    ret = testClient.testEnum(Numberz::TWO);
    printf(" = %d\n", ret);
    if (ret != Numberz::TWO)
      failCount++;

    printf("testEnum(THREE)");
    ret = testClient.testEnum(Numberz::THREE);
    printf(" = %d\n", ret);
    if (ret != Numberz::THREE)
      failCount++;

    printf("testEnum(FIVE)");
    ret = testClient.testEnum(Numberz::FIVE);
    printf(" = %d\n", ret);
    if (ret != Numberz::FIVE)
      failCount++;

    printf("testEnum(EIGHT)");
    ret = testClient.testEnum(Numberz::EIGHT);
    printf(" = %d\n", ret);
    if (ret != Numberz::EIGHT)
      failCount++;

    /**
     * TYPEDEF TEST
     */
    printf("testTypedef(309858235082523)");
    UserId uid = testClient.testTypedef(309858235082523LL);
    printf(" = %" PRId64 "\n", uid);
    if (uid != 309858235082523LL)
      failCount++;

    /**
     * NESTED MAP TEST
     */
    printf("testMapMap(1)");
    map<int32_t, map<int32_t, int32_t> > mm;
    testClient.testMapMap(mm, 1);
    printf(" = {");
    map<int32_t, map<int32_t, int32_t> >::const_iterator mi;
    for (mi = mm.begin(); mi != mm.end(); ++mi) {
      printf("%d => {", mi->first);
      map<int32_t, int32_t>::const_iterator mi2;
      for (mi2 = mi->second.begin(); mi2 != mi->second.end(); ++mi2) {
        printf("%d => %d, ", mi2->first, mi2->second);
      }
      printf("}, ");
    }
    printf("}\n");

    /**
     * INSANITY TEST
     */
    if (!noinsane) {
      Insanity insane;
      insane.userMap.insert(make_pair(Numberz::FIVE, 5000));
      Xtruct truck;
      truck.string_thing = "Truck";
      truck.byte_thing = 8;
      truck.i32_thing = 8;
      truck.i64_thing = 8;
      insane.xtructs.push_back(truck);
      printf("testInsanity()");
      map<UserId, map<Numberz::type, Insanity> > whoa;
      testClient.testInsanity(whoa, insane);
      printf(" = {");
      map<UserId, map<Numberz::type, Insanity> >::const_iterator i_iter;
      for (i_iter = whoa.begin(); i_iter != whoa.end(); ++i_iter) {
        printf("%" PRId64 " => {", i_iter->first);
        map<Numberz::type, Insanity>::const_iterator i2_iter;
        for (i2_iter = i_iter->second.begin(); i2_iter != i_iter->second.end(); ++i2_iter) {
          printf("%d => {", i2_iter->first);
          map<Numberz::type, UserId> userMap = i2_iter->second.userMap;
          map<Numberz::type, UserId>::const_iterator um;
          printf("{");
          for (um = userMap.begin(); um != userMap.end(); ++um) {
            printf("%d => %" PRId64 ", ", um->first, um->second);
          }
          printf("}, ");

          vector<Xtruct> xtructs = i2_iter->second.xtructs;
          vector<Xtruct>::const_iterator x;
          printf("{");
          for (x = xtructs.begin(); x != xtructs.end(); ++x) {
            printf("{\"%s\", %d, %d, %" PRId64 "}, ",
                   x->string_thing.c_str(),
                   (int)x->byte_thing,
                   x->i32_thing,
                   x->i64_thing);
          }
          printf("}");

          printf("}, ");
        }
        printf("}, ");
      }
      printf("}\n");
    }
    /* test exception */

    try {
      printf("testClient.testException(\"Xception\") =>");
      testClient.testException("Xception");
      printf("  void\nFAILURE\n");
      failCount++;

    } catch (Xception& e) {
      printf("  {%u, \"%s\"}\n", e.errorCode, e.message.c_str());
    }

    try {
      printf("testClient.testException(\"TException\") =>");
      testClient.testException("TException");
      printf("  void\nFAILURE\n");
      failCount++;

    } catch (const TException&) {
      printf("  Caught TException\n");
    }

    try {
      printf("testClient.testException(\"success\") =>");
      testClient.testException("success");
      printf("  void\n");
    } catch (...) {
      printf("  exception\nFAILURE\n");
      failCount++;
    }

    /* test multi exception */

    try {
      printf("testClient.testMultiException(\"Xception\", \"test 1\") =>");
      Xtruct result;
      testClient.testMultiException(result, "Xception", "test 1");
      printf("  result\nFAILURE\n");
      failCount++;
    } catch (Xception& e) {
      printf("  {%u, \"%s\"}\n", e.errorCode, e.message.c_str());
    }

    try {
      printf("testClient.testMultiException(\"Xception2\", \"test 2\") =>");
      Xtruct result;
      testClient.testMultiException(result, "Xception2", "test 2");
      printf("  result\nFAILURE\n");
      failCount++;

    } catch (Xception2& e) {
      printf("  {%u, {\"%s\"}}\n", e.errorCode, e.struct_thing.string_thing.c_str());
    }

    try {
      printf("testClient.testMultiException(\"success\", \"test 3\") =>");
      Xtruct result;
      testClient.testMultiException(result, "success", "test 3");
      printf("  {{\"%s\"}}\n", result.string_thing.c_str());
    } catch (...) {
      printf("  exception\nFAILURE\n");
      failCount++;
    }

    /* test oneway void */
    {
      printf("testClient.testOneway(1) =>");
      uint64_t startOneway = now();
      testClient.testOneway(1);
      uint64_t elapsed = now() - startOneway;
      if (elapsed > 200 * 1000) { // 0.2 seconds
        printf("  FAILURE - took %.2f ms\n", (double)elapsed / 1000.0);
        failCount++;
      } else {
        printf("  success - took %.2f ms\n", (double)elapsed / 1000.0);
      }
    }

    /**
     * redo a simple test after the oneway to make sure we aren't "off by one" --
     * if the server treated oneway void like normal void, this next test will
     * fail since it will get the void confirmation rather than the correct
     * result. In this circumstance, the client will throw the exception:
     *
     *   TApplicationException: Wrong method namea
     */
    /**
     * I32 TEST
     */
    printf("re-test testI32(-1)");
    i32 = testClient.testI32(-1);
    printf(" = %d\n", i32);
    if (i32 != -1)
      failCount++;

    uint64_t stop = now();
    uint64_t tot = stop - start;

    printf("Total time: %" PRIu64 " us\n", stop - start);

    time_tot += tot;
    if (time_min == 0 || tot < time_min) {
      time_min = tot;
    }
    if (tot > time_max) {
      time_max = tot;
    }

    transport->close();
  }

  printf("\nAll tests done.\n");

  uint64_t time_avg = time_tot / numTests;

  printf("Min time: %" PRIu64 " us\n", time_min);
  printf("Max time: %" PRIu64 " us\n", time_max);
  printf("Avg time: %" PRIu64 " us\n", time_avg);

  return failCount;
}