/*
 * 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.
 */

using System;
using System.Collections.Generic;
using System.Threading;

namespace Apache.Geode.Client.UnitTests
{
  using NUnit.Framework;
  using Apache.Geode.DUnitFramework;
  using Apache.Geode.Client.Tests;
  using Apache.Geode.Client;


  [TestFixture]
  [Category("group2")]
  [Category("unicast_only")]
  [Category("generics")]

  public class ThinClientCqIRTests : ThinClientRegionSteps
  {
    #region Private members

    private UnitProcess m_client1;
    private UnitProcess m_client2;
    private static string[] QueryRegionNames = { "Portfolios", "Positions", "Portfolios2",
      "Portfolios3" };
    private static string QERegionName = "Portfolios";
    private static string CqName = "MyCq";

    #endregion

    protected override ClientBase[] GetClients()
    {
      m_client1 = new UnitProcess();
      m_client2 = new UnitProcess();
      return new ClientBase[] { m_client1, m_client2 };
    }

    [TestFixtureSetUp]
    public override void InitTests()
    {
      base.InitTests();
      m_client1.Call(InitClient);
      m_client2.Call(InitClient);
    }

    [TearDown]
    public override void EndTest()
    {
      CacheHelper.StopJavaServers();
      base.EndTest();
    }


    public void InitClient()
    {
      CacheHelper.Init();
      try
      {
        CacheHelper.DCache.TypeRegistry.RegisterType(Portfolio.CreateDeserializable);
        CacheHelper.DCache.TypeRegistry.RegisterType(Position.CreateDeserializable);
      }
      catch (IllegalStateException)
      {
        // ignore since we run multiple iterations for pool and non pool configs
      }
    }
    public void StepOne(string locators)
    {
      CacheHelper.CreateTCRegion_Pool<object, object>(QueryRegionNames[0], true, true,
      null, locators, "__TESTPOOL1_", true);
      CacheHelper.CreateTCRegion_Pool<object, object>(QueryRegionNames[1], true, true,
        null, locators, "__TESTPOOL1_", true);
      CacheHelper.CreateTCRegion_Pool<object, object>(QueryRegionNames[2], true, true,
        null, locators, "__TESTPOOL1_", true);
      CacheHelper.CreateTCRegion_Pool<object, object>(QueryRegionNames[3], true, true,
        null, locators, "__TESTPOOL1_", true);

      IRegion<object, object> region = CacheHelper.GetRegion<object, object>(QueryRegionNames[0]);
      Apache.Geode.Client.RegionAttributes<object, object> regattrs = region.Attributes;
      region.CreateSubRegion(QueryRegionNames[1], regattrs);
    }

    public void StepTwo()
    {
      IRegion<object, object> region0 = CacheHelper.GetRegion<object, object>(QueryRegionNames[0]);
      IRegion<object, object> subRegion0 = region0.GetSubRegion(QueryRegionNames[1]);
      IRegion<object, object> region1 = CacheHelper.GetRegion<object, object>(QueryRegionNames[1]);
      IRegion<object, object> region2 = CacheHelper.GetRegion<object, object>(QueryRegionNames[2]);
      IRegion<object, object> region3 = CacheHelper.GetRegion<object, object>(QueryRegionNames[3]);

      QueryHelper<object, object> qh = QueryHelper<object, object>.GetHelper(CacheHelper.DCache);
      Util.Log("SetSize {0}, NumSets {1}.", qh.PortfolioSetSize,
        qh.PortfolioNumSets);

      qh.PopulatePortfolioData(region0, qh.PortfolioSetSize,
        qh.PortfolioNumSets);
      qh.PopulatePositionData(subRegion0, qh.PortfolioSetSize,
        qh.PortfolioNumSets);
      qh.PopulatePositionData(region1, qh.PortfolioSetSize,
        qh.PortfolioNumSets);
      qh.PopulatePortfolioData(region2, qh.PortfolioSetSize,
        qh.PortfolioNumSets);
      qh.PopulatePortfolioData(region3, qh.PortfolioSetSize,
        qh.PortfolioNumSets);
    }

    public void StepTwoQT()
    {
      IRegion<object, object> region0 = CacheHelper.GetRegion<object, object>(QueryRegionNames[0]);
      IRegion<object, object> subRegion0 = region0.GetSubRegion(QueryRegionNames[1]);

      QueryHelper<object, object> qh = QueryHelper<object, object>.GetHelper(CacheHelper.DCache);

      qh.PopulatePortfolioData(region0, 100, 20, 100);
      qh.PopulatePositionData(subRegion0, 100, 20);
    }

    public void StepOneQE(string locators)
    {
      CacheHelper.CreateTCRegion_Pool<object, object>(QERegionName, true, true,
        null, locators, "__TESTPOOL1_", true);

      IRegion<object, object> region = CacheHelper.GetVerifyRegion<object, object>(QERegionName);
      Portfolio p1 = new Portfolio(1, 100);
      Portfolio p2 = new Portfolio(2, 100);
      Portfolio p3 = new Portfolio(3, 100);
      Portfolio p4 = new Portfolio(4, 100);

      region["1"] = p1;
      region["2"] = p2;
      region["3"] = p3;
      region["4"] = p4;

      var qs = CacheHelper.DCache.GetPoolManager().Find("__TESTPOOL1_").GetQueryService();
      CqAttributesFactory<object, object> cqFac = new CqAttributesFactory<object, object>();
      ICqListener<object, object> cqLstner = new MyCqListener<object, object>();
      cqFac.AddCqListener(cqLstner);
      CqAttributes<object, object> cqAttr = cqFac.Create();
      CqQuery<object, object> qry = qs.NewCq(CqName, "select * from /" + QERegionName + "  p where p.ID!=2", cqAttr, false);
      ICqResults<object> results = qry.ExecuteWithInitialResults();
      Thread.Sleep(18000); // sleep 0.3min to allow server c query to complete
      region["4"] = p1;
      region["3"] = p2;
      region["2"] = p3;
      region["1"] = p4;
      Thread.Sleep(18000); // sleep 0.3min to allow server c query to complete
      Util.Log("Results size {0}.", results.Size);

      foreach (var item in results)
      {
        if (item != null)
        {
          Struct st = item as Struct;

          string key = st["key"] as string;

          Assert.IsNotNull(key, "key is null");

          Portfolio port = st["value"] as Portfolio;

          if (port == null)
          {
            Position pos = st["value"] as Position;
            if (pos == null)
            {
              string cs = item as string;

              if (cs == null)
              {
                Assert.Fail("value is null");
                Util.Log("Query got other/unknown object.");
              }
              else
              {
                Util.Log("Query got string : {0}.", cs);
              }
            }
            else
            {
              Util.Log("Query got Position object with secId {0}, shares {1}.", pos.SecId, pos.SharesOutstanding);
            }
          }
          else
          {
            Util.Log("Query got Portfolio object with ID {0}, pkid {1}.", port.ID, port.Pkid);
          }
        }
      }
      qry = qs.GetCq<object, object>(CqName);
      qry.Stop();
      qry.Close();
      // Bring down the region
      region.GetLocalView().DestroyRegion();
    }

    void runCqQueryIRTest()
    {
      CacheHelper.SetupJavaServers(true, "remotequeryN.xml");
      CacheHelper.StartJavaLocator(1, "GFELOC");
      Util.Log("Locator started");
      CacheHelper.StartJavaServerWithLocators(1, "GFECS1", 1);
      Util.Log("Cacheserver 1 started.");

      m_client1.Call(StepOne, CacheHelper.Locators);
      Util.Log("StepOne complete.");

      m_client1.Call(StepTwo);
      Util.Log("StepTwo complete.");

      m_client1.Call(StepOneQE, CacheHelper.Locators);
      Util.Log("StepOne complete.");

      m_client1.Call(Close);

      CacheHelper.StopJavaServer(1);
      Util.Log("Cacheserver 1 stopped.");

      CacheHelper.StopJavaLocator(1);
      Util.Log("Locator stopped");
    }

    [Test]
    public void CqQueryIRTest()
    {
      runCqQueryIRTest();
    }

  }
}