/**
 * 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.
 */

#include "catch.hpp"
#include "Column.h"
#include "Date.h"
#include "RpcCommon.h"
#include "Session.h"
#include "SessionBuilder.h"
#include "SessionPool.h"
#include "TsBlock.h"
#include "common_types.h"

#include <atomic>
#include <stdexcept>
#include <thread>

using namespace std;

extern std::shared_ptr<Session> session;

static vector<string> testTimeseries = {"root.test.d1.s1", "root.test.d1.s2", "root.test.d1.s3"};

void prepareTimeseries() {
  for (const string& timeseries : testTimeseries) {
    if (session->checkTimeseriesExists(timeseries)) {
      session->deleteTimeseries(timeseries);
    }
    session->createTimeseries(timeseries, TSDataType::INT64, TSEncoding::RLE,
                              CompressionType::SNAPPY);
  }
}

static int global_test_id = 0;
class CaseReporter {
public:
  CaseReporter(const char* caseNameArg) : caseName(caseNameArg) {
    test_id = global_test_id++;
    std::cout << "Test " << test_id << ": " << caseName << std::endl;
  }
  ~CaseReporter() {
    std::cout << "Test " << test_id << ": " << caseName << " Done" << std::endl << std::endl;
  }

private:
  const char* caseName;
  int test_id;
};

TEST_CASE("Create timeseries success", "[createTimeseries]") {
  CaseReporter cr("createTimeseries");
  if (!session->checkTimeseriesExists("root.test.d1.s1")) {
    session->createTimeseries("root.test.d1.s1", TSDataType::INT64, TSEncoding::RLE,
                              CompressionType::SNAPPY);
  }
  REQUIRE(session->checkTimeseriesExists("root.test.d1.s1") == true);
  session->deleteTimeseries("root.test.d1.s1");
}

TEST_CASE("Login Test - Authentication failed with error code 801", "[Authentication]") {
  CaseReporter cr("Login Test");

  try {
    Session session("127.0.0.1", 6667, "root", "wrong-password");
    session.open(false);
    FAIL("Expected authentication exception"); // Test fails if no exception
  } catch (const std::exception& e) {
    // Verify exception contains error code 801
    REQUIRE(std::string(e.what()).find("801") != std::string::npos);
  }
}

TEST_CASE("Test Session constructor with nodeUrls", "[SessionInitAndOperate]") {
  CaseReporter cr("SessionInitWithNodeUrls");

  std::vector<std::string> nodeUrls = {"127.0.0.1:6667"};
  std::shared_ptr<Session> localSession = std::make_shared<Session>(nodeUrls, "root", "root");
  localSession->open();
  if (!localSession->checkTimeseriesExists("root.test.d1.s1")) {
    localSession->createTimeseries("root.test.d1.s1", TSDataType::INT64, TSEncoding::RLE,
                                   CompressionType::SNAPPY);
  }
  REQUIRE(localSession->checkTimeseriesExists("root.test.d1.s1") == true);
  localSession->deleteTimeseries("root.test.d1.s1");
  localSession->close();
}

TEST_CASE("Test Session builder with nodeUrls", "[SessionBuilderInit]") {
  CaseReporter cr("SessionInitWithNodeUrls");

  std::vector<std::string> nodeUrls = {"127.0.0.1:6667"};
  auto builder = std::unique_ptr<SessionBuilder>(new SessionBuilder());
  std::shared_ptr<Session> session = std::shared_ptr<Session>(
      builder->username("root")->password("root")->nodeUrls(nodeUrls)->build());
  session->open();
  if (!session->checkTimeseriesExists("root.test.d1.s1")) {
    session->createTimeseries("root.test.d1.s1", TSDataType::INT64, TSEncoding::RLE,
                              CompressionType::SNAPPY);
  }
  REQUIRE(session->checkTimeseriesExists("root.test.d1.s1") == true);
  session->deleteTimeseries("root.test.d1.s1");
  session->close();
}

TEST_CASE("Delete timeseries success", "[deleteTimeseries]") {
  CaseReporter cr("deleteTimeseries");
  if (!session->checkTimeseriesExists("root.test.d1.s1")) {
    session->createTimeseries("root.test.d1.s1", TSDataType::INT64, TSEncoding::RLE,
                              CompressionType::SNAPPY);
  }
  REQUIRE(session->checkTimeseriesExists("root.test.d1.s1") == true);
  session->deleteTimeseries("root.test.d1.s1");
  REQUIRE(session->checkTimeseriesExists("root.test.d1.s1") == false);
}

TEST_CASE("Test insertRecord by string", "[testInsertRecord]") {
  CaseReporter cr("testInsertRecord");
  prepareTimeseries();
  string deviceId = "root.test.d1";
  vector<string> measurements = {"s1", "s2", "s3"};

  for (long time = 0; time < 100; time++) {
    vector<string> values = {"1", "2", "3"};
    session->insertRecord(deviceId, time, measurements, values);
  }

  session->executeNonQueryStatement(
      "insert into root.test.d1(timestamp,s1, s2, s3) values(100, 1,2,3)");

  unique_ptr<SessionDataSet> sessionDataSet =
      session->executeQueryStatement("select s1,s2,s3 from root.test.d1");
  sessionDataSet->setFetchSize(1024);
  int count = 0;
  while (sessionDataSet->hasNext()) {
    long index = 1;
    count++;
    auto fields = sessionDataSet->next()->fields;
    for (const Field& f : fields) {
      REQUIRE(f.longV.value() == index);
      index++;
    }
  }
  REQUIRE(count == 101);
}

TEST_CASE("Test insertRecords ", "[testInsertRecords]") {
  CaseReporter cr("testInsertRecords");
  prepareTimeseries();
  string deviceId = "root.test.d1";
  vector<string> measurements = {"s1", "s2", "s3"};
  vector<string> deviceIds;
  vector<vector<string>> measurementsList;
  vector<vector<string>> valuesList;
  vector<int64_t> timestamps;

  int64_t COUNT = 500;
  for (int64_t time = 1; time <= COUNT; time++) {
    vector<string> values = {"1", "2", "3"};

    deviceIds.push_back(deviceId);
    measurementsList.push_back(measurements);
    valuesList.push_back(values);
    timestamps.push_back(time);
    if (time != 0 && time % 100 == 0) {
      session->insertRecords(deviceIds, timestamps, measurementsList, valuesList);
      deviceIds.clear();
      measurementsList.clear();
      valuesList.clear();
      timestamps.clear();
    }
  }

  if (timestamps.size() > 0) {
    session->insertRecords(deviceIds, timestamps, measurementsList, valuesList);
  }

  unique_ptr<SessionDataSet> sessionDataSet =
      session->executeQueryStatement("select s1,s2,s3 from root.test.d1");
  sessionDataSet->setFetchSize(1024);
  int count = 0;
  while (sessionDataSet->hasNext()) {
    long index = 1;
    count++;
    auto fields = sessionDataSet->next()->fields;
    for (const Field& f : fields) {
      REQUIRE(f.longV.value() == index);
      index++;
    }
  }
  REQUIRE(count == COUNT);
}

TEST_CASE("Test insertRecord with types ", "[testTypedInsertRecord]") {
  CaseReporter cr("testTypedInsertRecord");
  vector<string> timeseries = {"root.test.d1.s1", "root.test.d1.s2", "root.test.d1.s3"};
  vector<TSDataType::TSDataType> types = {TSDataType::INT32, TSDataType::DOUBLE, TSDataType::INT64};

  for (size_t i = 0; i < timeseries.size(); i++) {
    if (session->checkTimeseriesExists(timeseries[i])) {
      session->deleteTimeseries(timeseries[i]);
    }
    session->createTimeseries(timeseries[i], types[i], TSEncoding::RLE, CompressionType::SNAPPY);
  }
  string deviceId = "root.test.d1";
  vector<string> measurements = {"s1", "s2", "s3"};
  vector<int32_t> value1(100, 1);
  vector<double> value2(100, 2.2);
  vector<int64_t> value3(100, 3);

  for (long time = 0; time < 100; time++) {
    vector<char*> values = {(char*)(&value1[time]), (char*)(&value2[time]), (char*)(&value3[time])};
    session->insertRecord(deviceId, time, measurements, types, values);
  }

  unique_ptr<SessionDataSet> sessionDataSet =
      session->executeQueryStatement("select s1,s2,s3 from root.test.d1");
  sessionDataSet->setFetchSize(1024);
  long count = 0;
  while (sessionDataSet->hasNext()) {
    sessionDataSet->next();
    count++;
  }
  REQUIRE(count == 100);
}

TEST_CASE("Test insertRecord with new datatypes ", "[testTypedInsertRecordNewDatatype]") {
  CaseReporter cr("testTypedInsertRecordNewDatatype");
  vector<string> timeseries = {"root.test.d1.s1", "root.test.d1.s2", "root.test.d1.s3",
                               "root.test.d1.s4"};
  std::vector<TSDataType::TSDataType> types = {TSDataType::TIMESTAMP, TSDataType::DATE,
                                               TSDataType::BLOB, TSDataType::STRING};

  for (size_t i = 0; i < timeseries.size(); i++) {
    if (session->checkTimeseriesExists(timeseries[i])) {
      session->deleteTimeseries(timeseries[i]);
    }
    session->createTimeseries(timeseries[i], types[i], TSEncoding::PLAIN, CompressionType::SNAPPY);
  }
  string deviceId = "root.test.d1";
  vector<string> measurements = {"s1", "s2", "s3", "s4"};
  int64_t value1 = 20250507;
  IoTDBDate value2 = IoTDBDate(2025, 5, 7);
  string value3 = "20250507";
  string value4 = "20250507";

  for (long time = 0; time < 100; time++) {
    vector<char*> values = {(char*)(&value1), (char*)(&value2), const_cast<char*>(value3.c_str()),
                            const_cast<char*>(value4.c_str())};
    session->insertRecord(deviceId, time, measurements, types, values);
  }

  unique_ptr<SessionDataSet> sessionDataSet =
      session->executeQueryStatement("select s1,s2,s3,s4 from root.test.d1");
  sessionDataSet->setFetchSize(1024);
  long count = 0;
  while (sessionDataSet->hasNext()) {
    auto record = sessionDataSet->next();
    REQUIRE(record->fields.size() == 4);
    for (int i = 0; i < 4; i++) {
      REQUIRE(types[i] == record->fields[i].dataType);
    }
    REQUIRE(record->fields[0].longV.value() == value1);
    REQUIRE(record->fields[1].dateV.value() == value2);
    REQUIRE(record->fields[2].stringV.value() == value3);
    REQUIRE(record->fields[3].stringV.value() == value4);
    count++;
  }
  REQUIRE(count == 100);
}

TEST_CASE("Test insertRecords with types ", "[testTypedInsertRecords]") {
  CaseReporter cr("testTypedInsertRecords");
  vector<string> timeseries = {"root.test.d1.s1", "root.test.d1.s2", "root.test.d1.s3"};
  vector<TSDataType::TSDataType> types = {TSDataType::INT32, TSDataType::DOUBLE, TSDataType::INT64};

  for (size_t i = 0; i < timeseries.size(); i++) {
    if (session->checkTimeseriesExists(timeseries[i])) {
      session->deleteTimeseries(timeseries[i]);
    }
    session->createTimeseries(timeseries[i], types[i], TSEncoding::RLE, CompressionType::SNAPPY);
  }
  string deviceId = "root.test.d1";
  vector<string> measurements = {"s1", "s2", "s3"};
  vector<string> deviceIds;
  vector<vector<string>> measurementsList;
  vector<vector<TSDataType::TSDataType>> typesList;
  vector<vector<char*>> valuesList;
  vector<int64_t> timestamps;
  vector<int32_t> value1(100, 1);
  vector<double> value2(100, 2.2);
  vector<int64_t> value3(100, 3);

  for (int64_t time = 0; time < 100; time++) {
    vector<char*> values = {(char*)(&value1[time]), (char*)(&value2[time]), (char*)(&value3[time])};
    deviceIds.push_back(deviceId);
    measurementsList.push_back(measurements);
    typesList.push_back(types);
    valuesList.push_back(values);
    timestamps.push_back(time);
  }

  session->insertRecords(deviceIds, timestamps, measurementsList, typesList, valuesList);

  unique_ptr<SessionDataSet> sessionDataSet =
      session->executeQueryStatement("select s1,s2,s3 from root.test.d1");
  sessionDataSet->setFetchSize(1024);
  int count = 0;
  while (sessionDataSet->hasNext()) {
    sessionDataSet->next();
    count++;
  }
  REQUIRE(count == 100);
}

TEST_CASE("Test insertRecordsOfOneDevice", "[testInsertRecordsOfOneDevice]") {
  CaseReporter cr("testInsertRecordsOfOneDevice");
  vector<string> timeseries = {"root.test.d1.s1", "root.test.d1.s2", "root.test.d1.s3"};
  vector<TSDataType::TSDataType> types = {TSDataType::INT32, TSDataType::DOUBLE, TSDataType::INT64};

  for (size_t i = 0; i < timeseries.size(); i++) {
    if (session->checkTimeseriesExists(timeseries[i])) {
      session->deleteTimeseries(timeseries[i]);
    }
    session->createTimeseries(timeseries[i], types[i], TSEncoding::RLE, CompressionType::SNAPPY);
  }
  string deviceId = "root.test.d1";
  vector<string> measurements = {"s1", "s2", "s3"};
  vector<vector<string>> measurementsList;
  vector<vector<TSDataType::TSDataType>> typesList;
  vector<vector<char*>> valuesList;
  vector<int64_t> timestamps;
  vector<int32_t> value1(100, 1);
  vector<double> value2(100, 2.2);
  vector<int64_t> value3(100, 3);

  for (int64_t time = 0; time < 100; time++) {
    vector<char*> values = {(char*)(&value1[time]), (char*)(&value2[time]), (char*)(&value3[time])};
    measurementsList.push_back(measurements);
    typesList.push_back(types);
    valuesList.push_back(values);
    timestamps.push_back(time);
  }

  session->insertRecordsOfOneDevice(deviceId, timestamps, measurementsList, typesList, valuesList);

  unique_ptr<SessionDataSet> sessionDataSet =
      session->executeQueryStatement("select * from root.test.d1");
  sessionDataSet->setFetchSize(1024);
  int count = 0;
  while (sessionDataSet->hasNext()) {
    sessionDataSet->next();
    count++;
  }
  REQUIRE(count == 100);
}

TEST_CASE("Tablet index bounds", "[tabletBounds]") {
  CaseReporter cr("tabletBounds");
  vector<pair<string, TSDataType::TSDataType>> schemaList;
  schemaList.emplace_back("s1", TSDataType::INT64);
  Tablet tablet("root.test.d1", schemaList, 10);
  tablet.addTimestamp(0, 1);
  tablet.addValue(0, 0, static_cast<int64_t>(100));

  REQUIRE_THROWS_AS(tablet.addTimestamp(10, 11), out_of_range);
  REQUIRE_THROWS_AS(tablet.addValue(1, 0, static_cast<int64_t>(1)), out_of_range);
  REQUIRE_THROWS_AS(tablet.addValue(0, 100, static_cast<int64_t>(1)), out_of_range);
}

TEST_CASE("Session rejects SQL after close", "[sessionClose]") {
  CaseReporter cr("sessionClose");
  SessionBuilder builder;
  auto localSession =
      builder.host("127.0.0.1")->rpcPort(6667)->username("root")->password("root")->build();
  localSession->open();
  localSession->close();
  REQUIRE_THROWS_AS(localSession->executeNonQueryStatement("show databases"),
                    IoTDBConnectionException);
}

TEST_CASE("Test insertTablet ", "[testInsertTablet]") {
  CaseReporter cr("testInsertTablet");
  prepareTimeseries();
  string deviceId = "root.test.d1";
  vector<pair<string, TSDataType::TSDataType>> schemaList;
  schemaList.emplace_back("s1", TSDataType::INT64);
  schemaList.emplace_back("s2", TSDataType::INT64);
  schemaList.emplace_back("s3", TSDataType::INT64);

  Tablet tablet(deviceId, schemaList, 100);
  for (int64_t time = 0; time < 100; time++) {
    int row = tablet.rowSize++;
    tablet.timestamps[row] = time;
    for (int64_t i = 0; i < 3; i++) {
      tablet.addValue(i, row, i);
    }
    if (tablet.rowSize == tablet.maxRowNumber) {
      session->insertTablet(tablet);
      tablet.reset();
    }
  }

  if (tablet.rowSize != 0) {
    session->insertTablet(tablet);
    tablet.reset();
  }
  unique_ptr<SessionDataSet> sessionDataSet =
      session->executeQueryStatement("select s1,s2,s3 from root.test.d1");
  sessionDataSet->setFetchSize(1024);
  int count = 0;
  while (sessionDataSet->hasNext()) {
    long index = 0;
    count++;
    auto fields = sessionDataSet->next()->fields;
    for (const Field& f : fields) {
      REQUIRE(f.longV.value() == index);
      index++;
    }
  }
  REQUIRE(count == 100);
}

TEST_CASE("Test insertTablets ", "[testInsertTablets]") {
  CaseReporter cr("testInsertTablets");
  vector<string> testTimeseries = {"root.test.d1.s1", "root.test.d1.s2", "root.test.d1.s3",
                                   "root.test.d2.s1", "root.test.d2.s2", "root.test.d2.s3"};
  for (const string& timeseries : testTimeseries) {
    if (session->checkTimeseriesExists(timeseries)) {
      session->deleteTimeseries(timeseries);
    }
    session->createTimeseries(timeseries, TSDataType::INT64, TSEncoding::RLE,
                              CompressionType::SNAPPY);
  }
  vector<pair<string, TSDataType::TSDataType>> schemaList;
  schemaList.emplace_back("s1", TSDataType::INT64);
  schemaList.emplace_back("s2", TSDataType::INT64);
  schemaList.emplace_back("s3", TSDataType::INT64);

  int maxRowNumber = 100;
  vector<string> deviceIds = {"root.test.d1", "root.test.d2"};
  vector<Tablet> tablets;
  for (const auto& deviceId : deviceIds) {
    tablets.emplace_back(deviceId, schemaList, maxRowNumber);
  }
  for (auto& tablet : tablets) {
    for (int64_t time = 0; time < maxRowNumber; time++) {
      int row = tablet.rowSize++;
      tablet.timestamps[row] = time;
      for (int64_t i = 0; i < 3; i++) {
        tablet.addValue(i, row, i);
      }
    }
  }
  unordered_map<string, Tablet*> tabletsMap;
  for (auto& tablet : tablets) {
    tabletsMap[tablet.deviceId] = &tablet;
  }
  session->insertTablets(tabletsMap);

  unique_ptr<SessionDataSet> sessionDataSet =
      session->executeQueryStatement("select s1,s2,s3 from root.test.d2");
  sessionDataSet->setFetchSize(1024);
  int count = 0;
  while (sessionDataSet->hasNext()) {
    long index = 0;
    count++;
    auto fields = sessionDataSet->next()->fields;
    for (const Field& f : fields) {
      REQUIRE(f.longV.value() == index);
      index++;
    }
  }
  REQUIRE(count == 100);
}

TEST_CASE("Test insertTablet multi datatype", "[testInsertTabletMultiDatatype]") {
  CaseReporter cr("testInsertTabletNewDatatype");
  string deviceId = "root.test.d2";
  vector<pair<string, TSDataType::TSDataType>> schemaList;
  std::vector<std::string> measurements = {"s1", "s2", "s3", "s4"};
  std::vector<TSDataType::TSDataType> dataTypes = {TSDataType::TIMESTAMP, TSDataType::DATE,
                                                   TSDataType::BLOB, TSDataType::STRING};
  for (int i = 0; i < 4; i++) {
    schemaList.emplace_back(measurements[i], dataTypes[i]);
  }

  for (int i = 0; i < 4; i++) {
    auto timeseries = deviceId + "." + measurements[i];
    if (session->checkTimeseriesExists(timeseries)) {
      session->deleteTimeseries(timeseries);
    }
    session->createTimeseries(timeseries, dataTypes[i], TSEncoding::PLAIN,
                              CompressionType::UNCOMPRESSED);
  }

  int64_t s1Value = 20250507;
  IoTDBDate s2Value(2025, 5, 7);
  std::string s3Value("20250507");
  std::string s4Value("20250507");

  Tablet tablet(deviceId, schemaList, 100);
  for (int64_t time = 0; time < 100; time++) {
    int row = tablet.rowSize++;
    tablet.timestamps[row] = time;
    tablet.addValue(0, row, s1Value);
    tablet.addValue(1, row, s2Value);
    tablet.addValue(2, row, s3Value);
    tablet.addValue(3, row, s4Value);
    if (tablet.rowSize == tablet.maxRowNumber) {
      session->insertTablet(tablet);
      tablet.reset();
    }
  }

  if (tablet.rowSize != 0) {
    session->insertTablet(tablet);
    tablet.reset();
  }
  unique_ptr<SessionDataSet> sessionDataSet =
      session->executeQueryStatement("select s1,s2,s3,s4 from root.test.d2");
  auto dataIter = sessionDataSet->getIterator();
  sessionDataSet->setFetchSize(1024);
  int count = 0;
  while (dataIter.next()) {
    REQUIRE(dataIter.getLongByIndex(2).value() == s1Value);
    REQUIRE(dataIter.getDateByIndex(3).value() == s2Value);
    REQUIRE(dataIter.getStringByIndex(4).value() == s3Value);
    REQUIRE(dataIter.getStringByIndex(5).value() == s4Value);
    count++;
  }
  REQUIRE(count == 100);
}

TEST_CASE("Test boolean column via DataIterator", "[testBooleanColumnDataIterator]") {
  CaseReporter cr("testBooleanColumnDataIterator");
  string deviceId = "root.test.d1";
  string timeseries = "root.test.d1.s1";

  if (session->checkTimeseriesExists(timeseries)) {
    session->deleteTimeseries(timeseries);
  }
  session->createTimeseries(timeseries, TSDataType::BOOLEAN, TSEncoding::PLAIN,
                            CompressionType::SNAPPY);

  // Insert boolean values: even timestamps get true, odd get false
  vector<string> measurements = {"s1"};
  vector<TSDataType::TSDataType> types = {TSDataType::BOOLEAN};
  for (int64_t time = 0; time < 10; time++) {
    bool val = (time % 2 == 0);
    vector<char*> values = {(char*)&val};
    session->insertRecord(deviceId, time, measurements, types, values);
  }

  unique_ptr<SessionDataSet> sessionDataSet =
      session->executeQueryStatement("select s1 from root.test.d1");
  auto dataIter = sessionDataSet->getIterator();
  sessionDataSet->setFetchSize(1024);
  int count = 0;
  while (dataIter.next()) {
    bool expected = (count % 2 == 0);
    // Column 1 is Time, column 2 is s1
    REQUIRE(dataIter.getBooleanByIndex(2).value() == expected);
    // Accessing time column (index 1) as boolean should throw
    REQUIRE_THROWS_AS(dataIter.getBooleanByIndex(1), IoTDBException);
    count++;
  }
  REQUIRE(count == 10);
  session->deleteTimeseries(timeseries);
}

TEST_CASE("Test Last query ", "[testLastQuery]") {
  CaseReporter cr("testLastQuery");
  prepareTimeseries();
  string deviceId = "root.test.d1";
  vector<string> measurements = {"s1", "s2", "s3"};

  for (long time = 0; time < 100; time++) {
    vector<string> values = {"1", "2", "3"};
    session->insertRecord(deviceId, time, measurements, values);
  }

  vector<string> measurementValues = {"1", "2", "3"};
  unique_ptr<SessionDataSet> sessionDataSet =
      session->executeQueryStatement("select last s1,s2,s3 from root.test.d1");
  sessionDataSet->setFetchSize(1024);
  long index = 0;
  while (sessionDataSet->hasNext()) {
    vector<Field> fields = sessionDataSet->next()->fields;
    REQUIRE("1" <= fields[1].stringV.value());
    REQUIRE(fields[1].stringV.value() <= "3");
    index++;
  }
}

TEST_CASE("Test Huge query ", "[testHugeQuery]") {
  CaseReporter cr("testHugeQuery");
  prepareTimeseries();
  string deviceId = "root.test.d1";
  vector<string> measurements = {"s1", "s2", "s3"};
  vector<TSDataType::TSDataType> types = {TSDataType::INT64, TSDataType::INT64, TSDataType::INT64};
  int64_t value1 = 1, value2 = 2, value3 = 3;
  vector<char*> values = {(char*)&value1, (char*)&value2, (char*)&value3};

  long total_count = 500000;
  int print_count = 0;
  std::cout.width(7);
  std::cout << "inserting " << total_count << " rows:" << std::endl;
  for (long time = 0; time < total_count; time++) {
    session->insertRecord(deviceId, time, measurements, types, values);
    if (time != 0 && time % 1000 == 0) {
      std::cout << time << "\t" << std::flush;
      if (++print_count % 20 == 0) {
        std::cout << std::endl;
      }
    }
  }

  unique_ptr<SessionDataSet> sessionDataSet =
      session->executeQueryStatement("select s1,s2,s3 from root.test.d1");
  sessionDataSet->setFetchSize(1024);
  int count = 0;
  print_count = 0;
  std::cout << "\n\niterating " << total_count << " rows:" << std::endl;
  while (sessionDataSet->hasNext()) {
    auto rowRecord = sessionDataSet->next();
    REQUIRE(rowRecord->timestamp == count);
    REQUIRE(rowRecord->fields[0].longV.value() == 1);
    REQUIRE(rowRecord->fields[1].longV.value() == 2);
    REQUIRE(rowRecord->fields[2].longV.value() == 3);
    count++;
    if (count % 1000 == 0) {
      std::cout << count << "\t" << std::flush;
      if (++print_count % 20 == 0) {
        std::cout << std::endl;
      }
    }
  }

  REQUIRE(count == total_count);
}

TEST_CASE("Test executeRawDataQuery ", "[executeRawDataQuery]") {
  CaseReporter cr("executeRawDataQuery");
  prepareTimeseries();

  string deviceId = "root.test.d1";
  vector<string> measurements = {"s1", "s2", "s3"};
  vector<TSDataType::TSDataType> types = {TSDataType::INT64, TSDataType::INT64, TSDataType::INT64};

  long total_count = 5000;
  vector<char*> values;
  int64_t valueArray[3];
  for (long time = -total_count; time < total_count; time++) {
    valueArray[0] = time;
    valueArray[1] = time * 2;
    valueArray[2] = time * 3;
    values.clear();
    values.push_back((char*)&valueArray[0]);
    values.push_back((char*)&valueArray[1]);
    values.push_back((char*)&valueArray[2]);
    session->insertRecord(deviceId, time, measurements, types, values);
    if (time == 100) { //insert 1 big timestamp data for generate un-seq data.
      valueArray[0] = 9;
      valueArray[2] = 999;
      values.clear();
      values.push_back((char*)&valueArray[0]);
      values.push_back((char*)&valueArray[2]);
      vector<string> measurements2 = {"s1", "s3"};
      vector<TSDataType::TSDataType> types2 = {TSDataType::INT64, TSDataType::INT64};
      session->insertRecord(deviceId, 99999, measurements2, types2, values);
    }
  }

  vector<string> paths;
  paths.push_back("root.test.d1.s1");
  paths.push_back("root.test.d1.s2");
  paths.push_back("root.test.d1.s3");

  //== Test executeRawDataQuery() with negative timestamp
  int startTs = -total_count, endTs = total_count;
  unique_ptr<SessionDataSet> sessionDataSet = session->executeRawDataQuery(paths, startTs, endTs);
  sessionDataSet->setFetchSize(10);
  vector<string> columns = sessionDataSet->getColumnNames();
  columns = sessionDataSet->getColumnNames();
  REQUIRE(columns[0] == "Time");
  REQUIRE(columns[1] == paths[0]);
  REQUIRE(columns[2] == paths[1]);
  REQUIRE(columns[3] == paths[2]);

  int ts = startTs;
  while (sessionDataSet->hasNext()) {
    auto rowRecordPtr = sessionDataSet->next();
    //cout << rowRecordPtr->toString();

    vector<Field> fields = rowRecordPtr->fields;
    REQUIRE(rowRecordPtr->timestamp == ts);
    REQUIRE(fields[0].dataType == TSDataType::INT64);
    REQUIRE(fields[0].longV.value() == ts);
    REQUIRE(fields[1].dataType == TSDataType::INT64);
    REQUIRE(fields[1].longV.value() == ts * 2);
    REQUIRE(fields[2].dataType == TSDataType::INT64);
    REQUIRE(fields[2].longV.value() == ts * 3);
    ts++;
  }

  //== Test executeRawDataQuery() with null field
  startTs = 99999;
  endTs = 99999 + 10;
  sessionDataSet = session->executeRawDataQuery(paths, startTs, endTs);

  sessionDataSet->setFetchSize(10);
  columns = sessionDataSet->getColumnNames();
  for (const string& column : columns) {
    cout << column << " ";
  }
  cout << endl;
  REQUIRE(columns[0] == "Time");
  REQUIRE(columns[1] == paths[0]);
  REQUIRE(columns[2] == paths[1]);
  REQUIRE(columns[3] == paths[2]);
  ts = startTs;
  while (sessionDataSet->hasNext()) {
    auto rowRecordPtr = sessionDataSet->next();
    cout << rowRecordPtr->toString();

    vector<Field> fields = rowRecordPtr->fields;
    REQUIRE(rowRecordPtr->timestamp == ts);
    REQUIRE(fields[0].dataType == TSDataType::INT64);
    REQUIRE(fields[0].longV.value() == 9);
    REQUIRE(fields[1].dataType == TSDataType::UNKNOWN);
    REQUIRE(fields[2].dataType == TSDataType::INT64);
    REQUIRE(fields[2].longV.value() == 999);
  }

  //== Test executeRawDataQuery() with empty data
  sessionDataSet = session->executeRawDataQuery(paths, 100000, 110000);
  sessionDataSet->setFetchSize(1);
  REQUIRE(sessionDataSet->hasNext() == false);
}

TEST_CASE("Test executeLastDataQuery ", "[testExecuteLastDataQuery]") {
  CaseReporter cr("testExecuteLastDataQuery");
  prepareTimeseries();

  string deviceId = "root.test.d1";
  vector<string> measurements = {"s1", "s2", "s3"};
  vector<TSDataType::TSDataType> types = {TSDataType::INT64, TSDataType::INT64, TSDataType::INT64};

  long total_count = 5000;
  vector<char*> values;
  int64_t valueArray[3];
  for (long time = -total_count; time < total_count; time++) {
    valueArray[0] = time;
    valueArray[1] = time * 2;
    valueArray[2] = time * 3;
    values.clear();
    values.push_back((char*)&valueArray[0]);
    values.push_back((char*)&valueArray[1]);
    values.push_back((char*)&valueArray[2]);
    session->insertRecord(deviceId, time, measurements, types, values);
    if (time == 100) { //insert 1 big timestamp data for gen unseq data.
      valueArray[0] = 9;
      valueArray[2] = 999;
      values.clear();
      values.push_back((char*)&valueArray[0]);
      values.push_back((char*)&valueArray[2]);
      vector<string> measurements2 = {"s1", "s3"};
      vector<TSDataType::TSDataType> types2 = {TSDataType::INT64, TSDataType::INT64};
      session->insertRecord(deviceId, 99999, measurements2, types2, values);
    }
  }

  int64_t tsCheck[3] = {99999, 4999, 99999};
  std::vector<std::string> valueCheck = {"9", "9998", "999"};

  vector<string> paths;
  paths.push_back("root.test.d1.s1");
  paths.push_back("root.test.d1.s2");
  paths.push_back("root.test.d1.s3");

  //== Test executeLastDataQuery() without lastTime
  unique_ptr<SessionDataSet> sessionDataSet = session->executeLastDataQuery(paths);
  sessionDataSet->setFetchSize(1);

  vector<string> columns = sessionDataSet->getColumnNames();
  for (const string& column : columns) {
    cout << column << " ";
  }
  cout << endl;

  int index = 0;
  while (sessionDataSet->hasNext()) {
    auto rowRecordPtr = sessionDataSet->next();
    cout << rowRecordPtr->toString();

    vector<Field> fields = rowRecordPtr->fields;
    REQUIRE(rowRecordPtr->timestamp == tsCheck[index]);
    REQUIRE(fields[0].stringV.value() == paths[index]);
    REQUIRE(fields[1].stringV.value() == valueCheck[index]);
    REQUIRE(fields[2].stringV.value() == "INT64");
    index++;
  }

  //== Test executeLastDataQuery() with negative lastTime
  sessionDataSet = session->executeLastDataQuery(paths, -200);
  sessionDataSet->setFetchSize(1);
  columns = sessionDataSet->getColumnNames();
  for (const string& column : columns) {
    cout << column << " ";
  }
  cout << endl;

  index = 0;
  while (sessionDataSet->hasNext()) {
    auto rowRecordPtr = sessionDataSet->next();
    cout << rowRecordPtr->toString();

    vector<Field> fields = rowRecordPtr->fields;
    REQUIRE(rowRecordPtr->timestamp == tsCheck[index]);
    REQUIRE(fields[0].stringV.value() == paths[index]);
    REQUIRE(fields[1].stringV.value() == valueCheck[index]);
    REQUIRE(fields[2].stringV.value() == "INT64");
    index++;
  }

  //== Test executeLastDataQuery() with the lastTime that is > largest timestamp.
  sessionDataSet = session->executeLastDataQuery(paths, 100000);
  sessionDataSet->setFetchSize(1024);
  REQUIRE(sessionDataSet->hasNext() == false);
}

// Helper function for comparing TEndPoint with detailed error message
void assertTEndPointEqual(const TEndPoint& actual, const std::string& expectedIp, int expectedPort,
                          const char* file, int line) {
  if (actual.ip != expectedIp || actual.port != expectedPort) {
    std::stringstream ss;
    ss << "\nTEndPoint mismatch:\nExpected: " << expectedIp << ":" << expectedPort
       << "\nActual:   " << actual.ip << ":" << actual.port;
    Catch::SourceLineInfo location(file, line);
    Catch::AssertionHandler handler("TEndPoint comparison", location, ss.str(),
                                    Catch::ResultDisposition::Normal);
    handler.handleMessage(Catch::ResultWas::ExplicitFailure, ss.str());
    handler.complete();
  }
}

// Macro to simplify test assertions
#define REQUIRE_TENDPOINT(actual, expectedIp, expectedPort)                                        \
  assertTEndPointEqual(actual, expectedIp, expectedPort, __FILE__, __LINE__)

TEST_CASE("UrlUtils - parseTEndPointIpv4AndIpv6Url", "[UrlUtils]") {
  // Test valid IPv4 addresses
  SECTION("Valid IPv4") {
    REQUIRE_TENDPOINT(UrlUtils::parseTEndPointIpv4AndIpv6Url("192.168.1.1:8080"), "192.168.1.1",
                      8080);
    REQUIRE_TENDPOINT(UrlUtils::parseTEndPointIpv4AndIpv6Url("10.0.0.1:80"), "10.0.0.1", 80);
  }

  // Test valid IPv6 addresses
  SECTION("Valid IPv6") {
    REQUIRE_TENDPOINT(UrlUtils::parseTEndPointIpv4AndIpv6Url("[2001:db8::1]:8080"), "2001:db8::1",
                      8080);
    REQUIRE_TENDPOINT(UrlUtils::parseTEndPointIpv4AndIpv6Url("[::1]:80"), "::1", 80);
  }

  // Test hostnames
  SECTION("Hostnames") {
    REQUIRE_TENDPOINT(UrlUtils::parseTEndPointIpv4AndIpv6Url("localhost:8080"), "localhost", 8080);
    REQUIRE_TENDPOINT(UrlUtils::parseTEndPointIpv4AndIpv6Url("example.com:443"), "example.com",
                      443);
  }

  // Test edge cases
  SECTION("Edge cases") {
    REQUIRE_TENDPOINT(UrlUtils::parseTEndPointIpv4AndIpv6Url(""), "", 0);
    REQUIRE_TENDPOINT(UrlUtils::parseTEndPointIpv4AndIpv6Url("127.0.0.1"), "127.0.0.1", 0);
  }

  // Test invalid inputs
  SECTION("Invalid inputs") {
    REQUIRE_TENDPOINT(UrlUtils::parseTEndPointIpv4AndIpv6Url("192.168.1.1:abc"), "192.168.1.1:abc",
                      0);
    REQUIRE_TENDPOINT(UrlUtils::parseTEndPointIpv4AndIpv6Url("]invalid[:80"), "]invalid[", 80);
  }

  // Test port ranges
  SECTION("Port ranges") {
    REQUIRE_TENDPOINT(UrlUtils::parseTEndPointIpv4AndIpv6Url("localhost:0"), "localhost", 0);
    REQUIRE_TENDPOINT(UrlUtils::parseTEndPointIpv4AndIpv6Url("127.0.0.1:65535"), "127.0.0.1",
                      65535);
  }
}

TEST_CASE("UrlUtils - isWildcardAddress", "[UrlUtils]") {
  REQUIRE(UrlUtils::isWildcardAddress("0.0.0.0"));
  REQUIRE(UrlUtils::isWildcardAddress("[0.0.0.0]"));
  REQUIRE(UrlUtils::isWildcardAddress("::"));
  REQUIRE(UrlUtils::isWildcardAddress("[::]"));
  REQUIRE(UrlUtils::isWildcardAddress("0:0:0:0:0:0:0:0"));
  REQUIRE(UrlUtils::isWildcardAddress("0::0"));

  REQUIRE_FALSE(UrlUtils::isWildcardAddress(""));
  REQUIRE_FALSE(UrlUtils::isWildcardAddress("127.0.0.1"));
  REQUIRE_FALSE(UrlUtils::isWildcardAddress("localhost"));
  REQUIRE_FALSE(UrlUtils::isWildcardAddress("::1"));
  REQUIRE_FALSE(UrlUtils::isWildcardAddress("[::1]"));
}

TEST_CASE("TsBlock deserialize rejects truncated malicious payload", "[TsBlockDeserialize]") {
  std::string data(18, '\0');
  data[3] = '\x10';
  REQUIRE_THROWS_AS(TsBlock::deserialize(data), IoTDBException);
}

TEST_CASE("Numeric column widening getters align with Java TsFile", "[column]") {
  std::vector<bool> valueIsNull(1, false);

  std::vector<float> floatValues = {120.00000762939453f};
  auto floatColumn = std::make_shared<FloatColumn>(0, 1, valueIsNull, floatValues);
  auto rleColumn = std::make_shared<RunLengthEncodedColumn>(floatColumn, 20);
  REQUIRE(floatColumn->getDouble(0) == Approx(120.0).margin(0.01));
  REQUIRE(rleColumn->getDouble(0) == Approx(120.0).margin(0.01));

  std::vector<int32_t> intValues = {42};
  auto intColumn = std::make_shared<IntColumn>(0, 1, valueIsNull, intValues);
  REQUIRE(intColumn->getLong(0) == 42);
  REQUIRE(intColumn->getDouble(0) == Approx(42.0));

  std::vector<int64_t> longValues = {1000};
  auto longColumn = std::make_shared<LongColumn>(0, 1, valueIsNull, longValues);
  REQUIRE(longColumn->getDouble(0) == Approx(1000.0));
}
TEST_CASE("SessionPool basic borrow/insert/query via RAII lease", "[sessionPool]") {
  CaseReporter cr("SessionPool basic");
  auto pool = SessionPoolBuilder()
                  .host("127.0.0.1")
                  ->rpcPort(6667)
                  ->username("root")
                  ->password("root")
                  ->maxSize(3)
                  ->build();

  {
    PooledSession s = pool->getSession();
    try {
      s->executeNonQueryStatement("delete timeseries root.test.pool.d1.*");
    } catch (const std::exception&) {
      // Ignore: the timeseries may not exist yet on a fresh database.
    }
  }

  const int rows = 50;
  for (int i = 0; i < rows; i++) {
    PooledSession s = pool->getSession();
    s->insertRecord("root.test.pool.d1", i, {"s1"}, {to_string(i)});
  }

  int count = 0;
  {
    PooledSessionDataSet ds = pool->executeQueryStatement("select s1 from root.test.pool.d1");
    while (ds->hasNext()) {
      ds->next();
      count++;
    }
  }
  REQUIRE(count == rows);

  {
    PooledSession s = pool->getSession();
    s->executeNonQueryStatement("delete timeseries root.test.pool.d1.*");
  }
  pool->close();
}

TEST_CASE("SessionPool is safe under concurrent writers", "[sessionPool]") {
  CaseReporter cr("SessionPool concurrency");
  auto pool = SessionPoolBuilder()
                  .host("127.0.0.1")
                  ->rpcPort(6667)
                  ->username("root")
                  ->password("root")
                  ->maxSize(4)
                  ->build();

  {
    PooledSession s = pool->getSession();
    try {
      s->executeNonQueryStatement("delete timeseries root.test.pool.d2.*");
    } catch (const std::exception&) {
      // Ignore: the timeseries may not exist yet on a fresh database.
    }
  }

  const int threadCount = 8;
  const int rowsPerThread = 100;
  std::atomic<int> failures(0);
  std::vector<std::thread> threads;
  for (int t = 0; t < threadCount; t++) {
    threads.emplace_back([&pool, t, rowsPerThread, &failures]() {
      try {
        for (int i = 0; i < rowsPerThread; i++) {
          int64_t ts = static_cast<int64_t>(t) * rowsPerThread + i;
          // Mix RAII and convenience APIs to exercise both borrow paths.
          if (i % 2 == 0) {
            pool->insertRecord("root.test.pool.d2", ts, {"s1"}, {to_string(ts)});
          } else {
            PooledSession s = pool->getSession();
            s->insertRecord("root.test.pool.d2", ts, {"s1"}, {to_string(ts)});
          }
        }
      } catch (const std::exception& e) {
        std::cerr << "writer thread failed: " << e.what() << std::endl;
        failures++;
      }
    });
  }
  for (auto& th : threads) {
    th.join();
  }
  REQUIRE(failures.load() == 0);
  REQUIRE(pool->getMaxSize() == 4);

  int count = 0;
  {
    PooledSessionDataSet ds = pool->executeQueryStatement("select s1 from root.test.pool.d2");
    while (ds->hasNext()) {
      ds->next();
      count++;
    }
  }
  REQUIRE(count == threadCount * rowsPerThread);

  {
    PooledSession s = pool->getSession();
    s->executeNonQueryStatement("delete timeseries root.test.pool.d2.*");
  }
  pool->close();
}

TEST_CASE("SessionPool getSession times out when exhausted", "[sessionPool]") {
  CaseReporter cr("SessionPool exhaustion timeout");
  auto pool = SessionPoolBuilder()
                  .host("127.0.0.1")
                  ->rpcPort(6667)
                  ->username("root")
                  ->password("root")
                  ->maxSize(1)
                  ->waitToGetSessionTimeoutMs(200)
                  ->build();

  PooledSession held = pool->getSession();
  REQUIRE(static_cast<bool>(held));
  REQUIRE(pool->activeCount() == 1);
  // The only Session is checked out, so a second borrow must time out.
  REQUIRE_THROWS_AS(pool->getSession(), IoTDBException);

  held.release();
  // After returning it, a borrow succeeds again.
  PooledSession reused = pool->getSession();
  REQUIRE(static_cast<bool>(reused));
  reused.release();
  pool->close();
}

TEST_CASE("Query DATE 1000-01-01", "[dateMinYear]") {
  CaseReporter cr("dateMinYear");
  const string timeseries = "root.test.d1.s_date_min";
  if (session->checkTimeseriesExists(timeseries)) {
    session->deleteTimeseries(timeseries);
  }
  session->createTimeseries(timeseries, TSDataType::DATE, TSEncoding::PLAIN,
                            CompressionType::SNAPPY);

  const string deviceId = "root.test.d1";
  const vector<string> measurements = {"s_date_min"};
  const vector<TSDataType::TSDataType> types = {TSDataType::DATE};
  const IoTDBDate dateValue(1000, 1, 1);
  vector<char*> values = {const_cast<char*>(reinterpret_cast<const char*>(&dateValue))};
  session->insertRecord(deviceId, 1000LL, measurements, types, values);

  unique_ptr<SessionDataSet> sessionDataSet =
      session->executeQueryStatement("select s_date_min from root.test.d1 where time=1000");
  REQUIRE(sessionDataSet->hasNext());
  auto record = sessionDataSet->next();
  REQUIRE(record->fields.size() == 1);
  REQUIRE_FALSE(record->fields[0].isNull());
  REQUIRE(record->fields[0].dateV.value() == dateValue);
  REQUIRE(record->fields[0].dateV.value().toIsoExtendedString() == "1000-01-01");

  session->deleteTimeseries(timeseries);
}