#include <algorithm>
#include <atomic>
#include <iostream>
#include <memory>
#include <random>
#include <string>
#include <system_error>

#include "rocketmq/CredentialsProvider.h"
#include "rocketmq/Logger.h"
#include "rocketmq/Message.h"
#include "rocketmq/Producer.h"

using namespace ROCKETMQ_NAMESPACE;

const std::string &alphaNumeric() {
    static std::string alpha_numeric("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
    return alpha_numeric;
}

std::string randomString(std::string::size_type len) {
    std::string result;
    result.reserve(len);
    std::random_device rd;
    std::mt19937 generator(rd());
    std::string source(alphaNumeric());
    std::string::size_type generated = 0;
    while (generated < len) {
        std::shuffle(source.begin(), source.end(), generator);
        std::string::size_type delta = std::min({len - generated, source.length()});
        result.append(source.substr(0, delta));
        generated += delta;
    }
    return result;
}

static const std::string topic = "xxx";
// Enter the access address provided by Tencent Cloud.
static const std::string access_point = "rmq-xxx.rocketmq.xxxtencenttdmq.com:8081";
// Add the configured AccessKey and SecretKey.
static const std::string access_key = "xxx";
static const std::string access_secret = "xxx";
static const uint32_t total = 32;
static const int32_t message_body_size = 128;


int main(int argc, char *argv[]) {
    CredentialsProviderPtr credentials_provider;
    if (!access_key.empty() && !access_secret.empty()) {
        credentials_provider = std::make_shared<StaticCredentialsProvider>(access_key, access_secret);
    }

    // In most case, you don't need to create too many producers, singletion pattern is recommended.
    auto producer = Producer::newBuilder()
            .withConfiguration(Configuration::newBuilder()
                                       .withEndpoints(access_point)
                                       .withCredentialsProvider(credentials_provider)
                                       .withSsl(false)
                                       .build())
            .withTopics({topic})
            .build();

    std::atomic_bool stopped;
    std::atomic_long count(0);

    auto stats_lambda = [&] {
        while (!stopped.load(std::memory_order_relaxed)) {
            long cnt = count.load(std::memory_order_relaxed);
            while (count.compare_exchange_weak(cnt, 0)) {
                break;
            }
            std::this_thread::sleep_for(std::chrono::seconds(1));
            std::cout << "QPS: " << cnt << std::endl;
        }
    };

    std::thread stats_thread(stats_lambda);

    std::string body = randomString(message_body_size);

    try {
        for (std::size_t i = 0; i < total; ++i) {
            auto message = Message::newBuilder()
                    .withTopic(topic)
                    .withTag("TagA")
                    .withKeys({"Key-" + std::to_string(i)})
                    .withBody(body)
                    .build();
            std::error_code ec;
            SendReceipt send_receipt = producer.send(std::move(message), ec);
            if (ec) {
                std::cerr << "Failed to publish message to " << topic << ". Cause: " << ec.message() << std::endl;
            } else {
                std::cout << "Publish message to " << topic << " OK. Message-ID: " << send_receipt.message_id
                          << std::endl;
                count++;
            }
        }
    } catch (...) {
        std::cerr << "Ah...No!!!" << std::endl;
    }
    stopped.store(true, std::memory_order_relaxed);
    if (stats_thread.joinable()) {
        stats_thread.join();
    }

    return EXIT_SUCCESS;
}

#include <chrono>
#include <iostream>
#include <mutex>
#include <thread>

#include "rocketmq/Logger.h"
#include "rocketmq/PushConsumer.h"

using namespace ROCKETMQ_NAMESPACE;

static const std::string topic = "xxx";
// Enter the access address provided by Tencent Cloud.
static const std::string access_point = "rmq-xxx.rocketmq.xxxtencenttdmq.com:8081";
// Add the configured AccessKey and SecretKey.
static const std::string access_key = "xxx";
static const std::string access_secret = "xxx";
static const std::string group = "group-xxx";

int main(int argc, char *argv[]) {
    auto &logger = getLogger();
    logger.setConsoleLevel(Level::Info);
    logger.setLevel(Level::Info);
    logger.init();

    std::string tag = "*";

    auto listener = [](const Message &message) {
        std::cout << "Received a message[topic=" << message.topic() << ", MsgId=" << message.id() << "]" << std::endl;
        return ConsumeResult::SUCCESS;
    };

    CredentialsProviderPtr credentials_provider;
    if (!access_key.empty() && !access_secret.empty()) {
        credentials_provider = std::make_shared<StaticCredentialsProvider>(access_key, access_secret);
    }

    // In most case, you don't need to create too many consumers, singletion pattern is recommended.
    auto push_consumer = PushConsumer::newBuilder()
            .withGroup(group)
            .withConfiguration(Configuration::newBuilder()
                                       .withEndpoints(access_point)
                                       .withRequestTimeout(std::chrono::seconds(3))
                                       .withCredentialsProvider(credentials_provider)
                                       .withSsl(false)
                                       .build())
            .withConsumeThreads(4)
            .withListener(listener)
            .subscribe(topic, tag)
            .build();

    std::this_thread::sleep_for(std::chrono::minutes(30));

    return EXIT_SUCCESS;
}