// NOLINTBEGIN(*)

#include "old_common.h"
#include <cstdint>

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

  public:
    int cb_executed;
    int cb_err;
    int cb_err_out_of_sync;
    int a_cb_err;
    int old_sec, old_usec;
    std::int_least64_t delta_msec;
    Tango::AttrDataFormat d_format;
};

void EventCallBack::push_event(Tango::EventData *event_data)
{
    short value;
    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;

    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 << "StateEventCallBack::push_event(): called attribute " << event_data->attr_name << " event "
                 << event_data->event << "\n";
        if(!event_data->err)
        {
            *(event_data->attr_value) >> value;
            d_format = event_data->attr_value->get_data_format();
            TEST_LOG << "CallBack value " << value << std::endl;
        }
        else
        {
            TEST_LOG << "Error send to callback" << std::endl;
            a_cb_err++;
            //            Tango::Except::print_error_stack(event_data->errors);
            if(strcmp(event_data->errors[0].reason.in(), "aaa") == 0)
            {
                cb_err++;
            }
            else if(strcmp(event_data->errors[0].reason.in(), API_PollThreadOutOfSync) == 0)
            {
                cb_err_out_of_sync++;
            }
        }
    }
    catch(...)
    {
        TEST_LOG << "EventCallBack::push_event(): could not extract data !\n";
    }
}

class EventCallBackSub : public Tango::CallBack
{
    void push_event(Tango::EventData *);

  public:
    std::string dev_name;
    std::string attr_name;
    int cb_executed;
    int cb_executed_sub;
    int cb_err;
    DeviceProxy *dev2;
    int ev_id2;
};

void EventCallBackSub::push_event(Tango::EventData *event_data)
{
    cb_executed++;
    TEST_LOG << "I have received an event for attribute " << event_data->attr_name << std::endl;

    if(event_data->err == true)
    {
        TEST_LOG << "The event is an error" << std::endl;
        Tango::Except::print_error_stack(event_data->errors);
        cb_err++;
    }
    else
    {
        if(cb_executed == 2)
        {
            TEST_LOG << "Going to subscribe to another event" << std::endl;
            try
            {
                dev2 = new Tango::DeviceProxy(dev_name);
                TEST_LOG << "DeviceProxy object created" << std::endl;
                ev_id2 = dev2->subscribe_event(attr_name, Tango::PERIODIC_EVENT, this, true);
                TEST_LOG << "Subscribed to event, id = " << ev_id2 << std::endl;
            }
            catch(Tango::DevFailed &e)
            {
                Tango::Except::print_exception(e);
            }
        }

        if(cb_executed == 12)
        {
            try
            {
                TEST_LOG << "Going to unsubscribe, ev_id2 = " << ev_id2 << std::endl;
                dev2->unsubscribe_event(ev_id2);
                delete dev2;
            }
            catch(Tango::DevFailed &e)
            {
                Tango::Except::print_exception(e);
            }
        }

        std::string::size_type pos = event_data->attr_name.find(dev_name);
        if(pos != std::string::npos)
        {
            cb_executed_sub++;
        }
    }
}

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

    if(argc < 3 || argc > 4)
    {
        TEST_LOG << "usage: %s device1 device2" << std::endl;
        exit(-1);
    }

    std::string device_name = argv[1];
    std::string device_name_sub = argv[2];

    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("Short_attr");
        std::string another_att("Event_change_tst");

        //
        // Test set up (stop polling and clear event_period attribute property but
        // restart device to take this into account)
        //

        if(device->is_attribute_polled(att_name))
        {
            device->stop_poll_attribute(att_name);
        }
        if(device->is_attribute_polled(another_att))
        {
            device->stop_poll_attribute(another_att);
        }
        DbAttribute dba(att_name, device_name);
        DbData dbd;
        DbDatum a(att_name);
        a << (short) 1;
        dbd.push_back(a);
        dbd.push_back(DbDatum("event_period"));

        dba.delete_property(dbd);
        DeviceProxy adm_dev(device->adm_name().c_str());
        DeviceData di;
        di << device_name;
        adm_dev.command_inout("DevRestart", di);

        delete device;
        device = new DeviceProxy(device_name);
        std::this_thread::sleep_for(std::chrono::seconds(1));

        //
        // subscribe to a periodic event
        //

        int eve_id;
        std::vector<std::string> filters;
        EventCallBack cb;
        cb.cb_executed = 0;
        cb.cb_err = 0;
        cb.a_cb_err = 0;
        cb.cb_err_out_of_sync = 0;
        cb.old_sec = cb.old_usec = 0;
        cb.d_format = Tango::FMT_UNKNOWN;

        // start the polling first!
        device->poll_attribute(att_name, 500);

        eve_id = device->subscribe_event(att_name, Tango::PERIODIC_EVENT, &cb, filters);

        //
        // Check that the attribute is now polled at 500 mS
        //

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

        int poll_period = device->get_attribute_poll_period(att_name);
        TEST_LOG << "att polling period : " << poll_period << std::endl;
        assert(poll_period == 500);

        TEST_LOG << "   subscribe_event --> OK" << std::endl;

        //
        // Check that callback was called
        //

        // A trick for gdb. The thread created by omniORB for the callback execution
        // is just started during the sleep. Gdb has a breakpoint reached at each thread
        // creation to display message on the console. This breakpoint is a software
        // signal which interrupts the sleep.....
        //

        std::this_thread::sleep_for(std::chrono::seconds(5));

        TEST_LOG << "cb excuted = " << cb.cb_executed << std::endl;
        assert(cb.cb_executed > 2);
        assert(cb.cb_executed < 7);
        assert(cb.delta_msec > 900);
        assert(cb.delta_msec < 1100);
        assert(cb.a_cb_err == 0);
        assert(cb.d_format == SCALAR);

        TEST_LOG << "   CallBack executed every 1000 mS --> OK" << std::endl;

        //
        // Force the attribute to throw exception
        //

        std::vector<short> data_in(2);
        data_in[0] = 0;
        data_in[1] = 1;
        di << data_in;

        device->command_inout("IOAttrThrowEx", di);

        //
        // Check that callback was called
        //

        std::this_thread::sleep_for(std::chrono::seconds(3));
        TEST_LOG << "Callback cb_err = " << cb.cb_err << std::endl;
        assert(cb.cb_err > 2);
        assert(cb.cb_err < 5);
        assert(cb.delta_msec > 950);
        assert(cb.delta_msec < 1050);

        TEST_LOG << "   CallBack executed when attribute throw exception every 1000 mS --> OK" << std::endl;

        //
        // unsubscribe to the event
        //

        device->unsubscribe_event(eve_id);

        TEST_LOG << "   unsubscribe_event --> OK" << std::endl;

        //
        // Attribute does not send exception any more
        //

        data_in[1] = 0;
        di << data_in;

        device->command_inout("IOAttrThrowEx", di);

        //
        // subscribe to a periodic event with a filter
        //

#ifdef NOTIFD
        cb.cb_executed = 0;
        cb.cb_err = 0;
        cb.old_sec = cb.old_usec = 0;
        filters.push_back("$counter % 2 == 0");

        eve_id = device->subscribe_event(att_name, Tango::PERIODIC_EVENT, &cb, filters);
        TEST_LOG << "   subscribe_event (with modulo filter) --> OK" << std::endl;

        //
        // Check that callback was called
        //

        std::this_thread::sleep_for(std::chrono::seconds(6));
        TEST_LOG << "cb excuted = " << cb.cb_executed << std::endl;
        assert(cb.cb_executed > 2);
        assert(cb.cb_executed < 5);
        assert(cb.delta_msec > 1900);
        assert(cb.delta_msec < 2100);

        TEST_LOG << "   CallBack executed every 2000 mS --> OK" << std::endl;

        //
        // unsubscribe to the event
        //

        device->unsubscribe_event(eve_id);

        TEST_LOG << "   unsubscribe_event (with filter) --> OK" << std::endl;
#endif

        //
        // Change polling period to 200mS
        //

        device->poll_attribute(att_name, 200);

        //
        // subscribe to a periodic event
        //

        cb.cb_executed = 0;
        cb.cb_err = 0;
        cb.d_format = FMT_UNKNOWN;
        filters.clear();

        eve_id = device->subscribe_event(att_name, Tango::PERIODIC_EVENT, &cb, filters);

        //
        // Check that the attribute is still polled at 200 mS
        //

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

        poll_period = device->get_attribute_poll_period(att_name);
        TEST_LOG << "att polling period : " << poll_period << std::endl;
        assert(poll_period == 200);

        TEST_LOG << "   subscribe_event (with attribute already polled) --> OK" << std::endl;

        //
        // Check that callback was called
        //

        std::this_thread::sleep_for(std::chrono::seconds(3));
        TEST_LOG << "cb excuted = " << cb.cb_executed << std::endl;
        assert(cb.cb_executed > 2);
        assert(cb.cb_executed < 5);
        assert(cb.delta_msec > 900);
        assert(cb.delta_msec < 1100);
        assert(cb.d_format == SCALAR);

        TEST_LOG << "   CallBack executed every 1000 mS --> OK" << std::endl;

        //
        // unsubscribe to the event
        //

        device->unsubscribe_event(eve_id);

        TEST_LOG << "   unsubscribe_event --> OK" << std::endl;

        //
        // Stop polling
        //

        device->stop_poll_attribute(att_name);

        //
        // Change the periodic event "event_period" attribute property to
        // 600 mS
        //

        DbAttribute db_att(att_name, device_name);
        DbData db_dat;
        DbDatum dat(att_name);
        dat << (DevLong) 1;
        db_dat.push_back(dat);
        DbDatum dat1("event_period");
        dat1 << (DevLong) 600;
        db_dat.push_back(dat1);

        db_att.put_property(db_dat);

        //
        // Restart device
        //

        DeviceProxy adm_dev_2(device->adm_name().c_str());
        di << device_name;
        adm_dev_2.command_inout("DevRestart", di);

        delete device;
        device = new DeviceProxy(device_name);

        std::this_thread::sleep_for(std::chrono::seconds(2));

        //
        // Poll device at 200 mS
        //

        device->poll_attribute(att_name, 200);

        std::this_thread::sleep_for(std::chrono::milliseconds(20));

        //
        // subscribe to a periodic event
        //

        cb.cb_executed = 0;
        cb.cb_err = 0;

        eve_id = device->subscribe_event(att_name, Tango::PERIODIC_EVENT, &cb, filters);

        //
        // Check that the attribute is  polled at 200 mS
        //

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

        poll_period = device->get_attribute_poll_period(att_name);
        TEST_LOG << "att polling period : " << poll_period << std::endl;
        assert(poll_period == 200);

        TEST_LOG << "   subscribe_event (with event_period property set) --> OK" << std::endl;

        //
        // Check that callback was called
        //

        //        std::this_thread::sleep_for(std::chrono::seconds(3));
        std::this_thread::sleep_for(std::chrono::seconds(6));
        TEST_LOG << "cb excuted = " << cb.cb_executed << std::endl;
        assert(cb.cb_executed >= 5);
        assert(cb.cb_executed < 12);
        assert(cb.delta_msec > 500);
        assert(cb.delta_msec < 700);

        TEST_LOG << "   CallBack executed every 600 mS --> OK" << std::endl;

        //
        // Change polling period to 600mS
        //

        device->poll_attribute(att_name, 600);

        //
        // Poll another attribute
        //

        device->poll_attribute(another_att, 600);

        std::this_thread::sleep_for(std::chrono::seconds(2));

        //
        // Force event_change_tst to have a long reading time.
        // This will force out of sync exception on Short_attr attribute
        //

        /*        std::vector<short> data_in_out(2);
                data_in_out[0] = 3;
                data_in_out[1] = 1;
                di << data_in_out;

                device->command_inout("IOAttrThrowEx",di);

                std::this_thread::sleep_for(std::chrono::seconds(5));

                assert (cb.cb_err_out_of_sync > 2);

                TEST_LOG << "   Receiving out_of_sync exception --> OK" << std::endl;

        //
        // No out of sync exception any more
        //

                data_in_out[1] = 0;
                di << data_in_out;

                device->command_inout("IOAttrThrowEx",di);

                std::this_thread::sleep_for(std::chrono::seconds(1));

        //
        // Clear error flags and wait for some callbacks
        //

                cb.a_cb_err = cb.cb_err = cb.cb_err_out_of_sync = 0;
                cb.cb_executed = 0;

                std::this_thread::sleep_for(std::chrono::seconds(3));

                assert (cb.cb_executed > 2);
                assert (cb.a_cb_err == 0);
                assert (cb.cb_err == 0);
                assert (cb.cb_err_out_of_sync == 0);

                TEST_LOG << "   Back to periodic event after out_of_sync exception --> OK" << std::endl;*/

        //
        // unsubscribe to the event
        //

        device->unsubscribe_event(eve_id);

        TEST_LOG << "   unsubscribe_event --> OK" << std::endl;

        //
        // subscribe again to test subsription in CB an dpoll attribute on second device
        //

        EventCallBackSub cb_sub;
        cb_sub.cb_err = 0;
        cb_sub.cb_executed = 0;
        cb_sub.cb_executed_sub = 0;
        cb_sub.dev_name = device_name_sub;
        cb_sub.attr_name = att_name;

        DeviceProxy dev_sub(device_name_sub);
        dev_sub.poll_attribute(att_name, 500);

        eve_id = device->subscribe_event(att_name, Tango::PERIODIC_EVENT, &cb_sub);

        std::this_thread::sleep_for(std::chrono::seconds(7));

        device->unsubscribe_event(eve_id);
        dev_sub.stop_poll_attribute(att_name);

        TEST_LOG << "cb_executed = " << cb_sub.cb_executed << std::endl;
        TEST_LOG << "cb_executed_sub = " << cb_sub.cb_executed_sub << std::endl;
        TEST_LOG << "cb_err = " << cb_sub.cb_err << std::endl;

        assert(cb_sub.cb_executed > 10);
        assert(cb_sub.cb_executed_sub >= 3);
        assert(cb_sub.cb_err == 0);

        TEST_LOG << "   subscription / unsubscription in event callback --> OK" << std::endl;

        //
        // Stop polling
        //

        device->stop_poll_attribute(att_name);
        device->stop_poll_attribute(another_att);
    }
    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(*)
