// NOLINTBEGIN(*)

#include "old_common.h"

class EventCallBack : public Tango::CallBack
{
    void push_event(Tango::DataReadyEventData *);

  public:
    int cb_executed;
    int cb_err;
    int old_sec, old_usec;

    int ctr;
};

void EventCallBack::push_event(Tango::DataReadyEventData *event_data)
{
    struct timeval now_timeval = Tango::make_timeval(std::chrono::system_clock::now());

    TEST_LOG << "date : tv_sec = " << now_timeval.tv_sec;
    TEST_LOG << ", tv_usec = " << now_timeval.tv_usec << std::endl;

    auto delta_msec = ((now_timeval.tv_sec - old_sec) * 1000) + ((now_timeval.tv_usec - old_usec) / 1000);

    old_sec = now_timeval.tv_sec;
    old_usec = now_timeval.tv_usec;

    TEST_LOG << "delta_msec = " << delta_msec << std::endl;

    cb_executed++;

    try
    {
        TEST_LOG << "EventCallBack::push_event(): called attribute " << event_data->attr_name << " event "
                 << event_data->event << "\n";
        if(!event_data->err)
        {
            TEST_LOG << "Event data: Attribute data type = " << event_data->attr_data_type
                     << ", User ctr = " << event_data->ctr << std::endl;
            ctr = event_data->ctr;
        }
        else
        {
            TEST_LOG << "Error send to callback" << std::endl;
            Tango::Except::print_error_stack(event_data->errors);
        }
    }
    catch(...)
    {
        TEST_LOG << "EventCallBack::push_event(): could not extract data !\n";
    }
}

int main(int argc, char **argv)
{
    DeviceProxy *device;

    if(argc == 1)
    {
        TEST_LOG << "usage: %s device" << std::endl;
        exit(-1);
    }

    std::string device_name = argv[1];

    try
    {
        device = new DeviceProxy(device_name);
    }
    catch(CORBA::Exception &e)
    {
        Except::print_exception(e);
        exit(1);
    }

    TEST_LOG << std::endl << "new DeviceProxy(" << device->name() << ") returned" << std::endl << std::endl;

    try
    {
        std::string att_name("Long_attr");

        //
        // Check that the attribute is still not polled
        //

        bool po = device->is_attribute_polled(att_name);
        TEST_LOG << "attribute polled : " << po << std::endl;
        assert(po == false);

        //
        // subscribe to an attribute data ready event
        //

        int eve_id;
        std::vector<std::string> filters;
        EventCallBack cb;
        cb.cb_executed = 0;
        cb.cb_err = 0;
        cb.old_sec = cb.old_usec = 0;
        cb.ctr = -1;

        eve_id = device->subscribe_event(att_name, Tango::DATA_READY_EVENT, 1, filters);

        //
        // Send 10 attribute data ready events
        //

        Tango::DevVarLongStringArray dvlsa;
        dvlsa.svalue.length(1);
        dvlsa.lvalue.length(1);
        dvlsa.lvalue[0] = 9;
        dvlsa.svalue[0] = Tango::string_dup(att_name.c_str());
        DeviceData d_in;

        for(int i = 0; i < 10; i++)
        {
            dvlsa.lvalue[0] = dvlsa.lvalue[0] + 1;
            d_in << dvlsa;

            device->command_inout("PushDataReady", d_in);

            std::this_thread::sleep_for(std::chrono::milliseconds(200));
        }

        //
        // Check that only the last event was kept
        //

        device->get_events(eve_id, &cb);

        TEST_LOG << "cb excuted = " << cb.cb_executed << std::endl;
        assert(cb.cb_executed == 1);
        assert(cb.ctr == 19);

        TEST_LOG << "   CallBack executed only for the last arrived event --> OK" << std::endl;

        //
        // unsubscribe to the event
        //

        device->unsubscribe_event(eve_id);
        TEST_LOG << "   unsubscribe_event --> OK" << std::endl;

        //
        // Subscribe for attribute configuration events.
        // Set-up the event buffers to keep only the last 5 received events
        //

        cb.cb_executed = 0;
        cb.cb_err = 0;
        cb.old_sec = cb.old_usec = 0;
        cb.ctr = 0;

        eve_id = device->subscribe_event(att_name, Tango::DATA_READY_EVENT, 5, filters);

        //
        // Send 10 attribute configuration events
        //

        for(int i = 0; i < 10; i++)
        {
            dvlsa.lvalue[0] = dvlsa.lvalue[0] + 1;
            d_in << dvlsa;

            device->command_inout("PushDataReady", d_in);

            std::this_thread::sleep_for(std::chrono::milliseconds(200));
        }

        //
        // Check that only the last event was kept
        //

        device->get_events(eve_id, &cb);

        TEST_LOG << "cb excuted = " << cb.cb_executed << std::endl;
        assert(cb.cb_executed == 5);
        assert(cb.ctr == 29);

        TEST_LOG << "   CallBack executed only for the last 5 arrived events --> OK" << std::endl;

        //
        // unsubscribe to the event
        //

        device->unsubscribe_event(eve_id);
        TEST_LOG << "   unsubscribe_event --> OK" << std::endl;

        //
        // Subscribe for attribute data ready events.
        // Set-up the event buffers to keep all received events
        //

        cb.cb_executed = 0;
        cb.cb_err = 0;
        cb.old_sec = cb.old_usec = 0;
        cb.ctr = 0;

        eve_id = device->subscribe_event(att_name, Tango::DATA_READY_EVENT, ALL_EVENTS, filters);

        //
        // Send 10 attribute data ready events
        //

        for(int i = 0; i < 10; i++)
        {
            dvlsa.lvalue[0] = dvlsa.lvalue[0] + 1;
            d_in << dvlsa;

            device->command_inout("PushDataReady", d_in);

            std::this_thread::sleep_for(std::chrono::milliseconds(200));
        }

        //
        // Check that only the last event was kept
        //

        device->get_events(eve_id, &cb);

        TEST_LOG << "cb excuted = " << cb.cb_executed << std::endl;
        assert(cb.cb_executed == 10);
        assert(cb.ctr == 39);

        TEST_LOG << "   CallBack executed for 10 arrived events --> OK" << std::endl;

        //
        // Check the data ready event data reading as a vector
        //

        cb.cb_executed = 0;
        cb.cb_err = 0;
        cb.old_sec = cb.old_usec = 0;

        //
        // Send 15 attribute data ready events
        //

        for(int i = 0; i < 15; i++)
        {
            dvlsa.lvalue[0] = dvlsa.lvalue[0] + 1;
            d_in << dvlsa;

            device->command_inout("PushDataReady", d_in);

            std::this_thread::sleep_for(std::chrono::milliseconds(200));
        }

        //
        // Check that all events were kept and can be read as a vector
        //

        TEST_LOG << "event queue size = " << device->event_queue_size(eve_id) << std::endl;
        assert(device->event_queue_size(eve_id) == 15);

        DataReadyEventDataList event_list;
        device->get_events(eve_id, event_list);
        TEST_LOG << "number of events read = " << event_list.size() << std::endl;
        assert(event_list.size() == 15);

        int ref_val = 40;
        DataReadyEventDataList::iterator vpos;
        for(vpos = event_list.begin(); vpos != event_list.end(); vpos++)
        {
            double local_ctr = (*vpos)->ctr;

            TEST_LOG << "local_ctr = " << local_ctr << std::endl;
            assert(local_ctr == ref_val);
            ref_val++;
        }
        TEST_LOG << "   Data received for 15 arrived events --> OK" << std::endl;

        //
        // unsubscribe to the event
        //

        device->unsubscribe_event(eve_id);
        TEST_LOG << "   unsubscribe_event --> OK" << std::endl;

        //
        // subscribe several times to an attribute data ready event
        //

        int eve_id1, eve_id2;

        EventCallBack cb1;
        cb1.cb_executed = 0;
        cb1.cb_err = 0;
        cb1.old_sec = cb.old_usec = 0;
        cb1.ctr = -1;

        EventCallBack cb2;
        cb2.cb_executed = 0;
        cb2.cb_err = 0;
        cb2.old_sec = cb.old_usec = 0;
        cb2.ctr = -1;

        eve_id1 = device->subscribe_event(att_name, Tango::DATA_READY_EVENT, 1, filters);
        eve_id2 = device->subscribe_event(att_name, Tango::DATA_READY_EVENT, 1, filters);

        //
        // Send 10 attribute data ready events
        //

        Tango::DevVarLongStringArray dvlsa1;
        dvlsa1.svalue.length(1);
        dvlsa1.lvalue.length(1);
        dvlsa1.lvalue[0] = 9;
        dvlsa1.svalue[0] = Tango::string_dup(att_name.c_str());
        DeviceData d_in1;

        for(int i = 0; i < 10; i++)
        {
            dvlsa1.lvalue[0] = dvlsa1.lvalue[0] + 1;
            d_in1 << dvlsa1;

            device->command_inout("PushDataReady", d_in);

            std::this_thread::sleep_for(std::chrono::milliseconds(200));
        }

        //
        // Check that only the last event was kept
        //

        device->get_events(eve_id1, &cb1);
        device->get_events(eve_id2, &cb2);

        TEST_LOG << "cb excuted = " << cb1.cb_executed << std::endl;
        assert(cb1.cb_executed == 1);
        assert(cb1.ctr == 54);
        assert(cb2.cb_executed == 1);
        assert(cb2.ctr == 54);

        TEST_LOG << "   Several CallBack executed only for the last arrived event --> OK" << std::endl;

        //
        // unsubscribe to the event
        //

        device->unsubscribe_event(eve_id1);
        device->unsubscribe_event(eve_id2);
        TEST_LOG << "   unsubscribe_events --> OK" << std::endl;
    }
    catch(Tango::DevFailed &e)
    {
        Except::print_exception(e);
        exit(-1);
    }
    catch(CORBA::Exception &ex)
    {
        Except::print_exception(ex);
        exit(-1);
    }

    delete device;

    return 0;
}

// NOLINTEND(*)
