/* Реальный RX worker и decoder: коррекции аудиочасов не разрывают цепочку P-кадров. */
#include "../src/call_video_engine.h"
#include "../src/call_video_encoder.h"
#include "../../../src/call/call_video_port.h"
#include "../../../src/call/call_audio.h"
#include <QCoreApplication>
#include <QElapsedTimer>
#include <QThread>
#include <atomic>
#include <chrono>
#include <vector>
#include <algorithm>
extern "C" {
#include "../../../lib/mem.h"
#include "../../../lib/debug_config.h"
}
static std::vector<LiveEncodedFrame> frames;
static call_video_format format{1, 640, 360, 30, 0, 1, 31, 4000000, 2};
static std::atomic<int> requests{0}, rejects{0};
static int cursor = 0;
static int64_t start;
static bool disturbed = false;
static int64_t nowUs() { return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::steady_clock::now().time_since_epoch()).count(); }
extern "C" int __wrap_call_audio_get_clock(uint64_t, int64_t now, call_clock_snapshot* out) {
    *out = {}; out->valid = out->measured = 1; out->pts_us = 1000000 + now - start;
    out->source_epoch = (now - start) / 100000 + 1; return 0;
}
extern "C" int __wrap_call_video_port_open(uint64_t, const call_video_caps*) { return 0; }
extern "C" void __wrap_call_video_port_close(uint64_t) {}
extern "C" int __wrap_call_video_port_status(uint64_t, struct call_video_port_status* out) { *out = {}; return 0; }
extern "C" void __wrap_call_video_port_request_key(uint64_t) { ++requests; }
extern "C" int __wrap_call_video_port_decoded(uint64_t, uint64_t, int accepted) { if (!accepted) ++rejects; return 0; }
extern "C" int __wrap_call_video_port_pull(uint64_t id, call_video_frame* out) {
    const int64_t received = start + cursor * 33333ll + (disturbed && cursor == 30 ? 20000 : 0);
    if (cursor >= (int)frames.size() || nowUs() < received) return 0;
    // Кадр уже пришёл: остановка RX worker не должна подменить время доступности данных.
    if (disturbed && cursor == 60) QThread::msleep(80);
    const auto& f = frames[cursor]; *out = {}; out->call_id = id; out->format = format;
    out->pts_us = f.pts; out->frame_id = ++cursor; out->flags = f.key ? CALL_VIDEO_KEY : 0;
    out->received_us = received;
    out->size = out->length = f.data.size(); auto* data = static_cast<uint8_t*>(u_malloc(out->size));
    memcpy(data, f.data.constData(), out->size); out->data = data; return 1;
}
int main(int argc, char** argv) {
    QCoreApplication app(argc, argv); debug_config_init(); debug_set_level(DEBUG_LEVEL_WARN);
    debug_set_category_level(DEBUG_CATEGORY_CALL, DEBUG_LEVEL_DEBUG);
    CallVideoEncoder encoder; if (!encoder.open(format, 1000000)) return 2;
    QImage image(640, 360, QImage::Format_RGB32); image.fill(Qt::blue);
    for (int i = 0; i < 90; ++i) {
        LiveEncodedFrame frame; CallVideoRateCompletion completion;
        if (!encoder.encode(image, 1000000 + i * 33333ll, i == 0, frame, completion)) return 3;
        frames.push_back(frame);
    }
    CallVideoEngine engine; std::vector<int64_t> published;
    QObject::connect(&engine, &CallVideoEngine::imageChanged, [&](const QImage& frame) {
        if (!frame.isNull()) published.push_back(nowUs());
    });
    for (int scenario = 0; scenario < 2; ++scenario) {
        disturbed = scenario != 0; cursor = 0; published.clear();
        start = nowUs(); engine.start(7); QElapsedTimer timer; timer.start(); bool uiPaused = false;
        while (timer.elapsed() < 3200) {
            if (disturbed && !uiPaused && timer.elapsed() >= 1500) { QThread::msleep(60); uiPaused = true; }
            app.processEvents(); QThread::msleep(2);
        }
        engine.stop(); const auto stoppedCount = published.size(); app.processEvents();
        if (published.size() != stoppedCount) { DEBUG_ERROR(DEBUG_CATEGORY_CALL, "stale video publication after stop"); return 1; }
        std::vector<int64_t> gaps;
        for (size_t i = 1; i < published.size(); ++i) gaps.push_back(published[i] - published[i - 1]);
        std::sort(gaps.begin(), gaps.end());
        DEBUG_INFO(DEBUG_CATEGORY_CALL, "CLOCK PROBE disturbed=%d shown=%zu/90 key_requests=%d decoder_rejections=%d "
            "gap_p50_us=%lld gap_p95_us=%lld gap_max_us=%lld audio_epochs=32", disturbed, published.size(), requests.load(), rejects.load(),
            (long long)(gaps.empty() ? 0 : gaps[gaps.size() / 2]), (long long)(gaps.empty() ? 0 : gaps[gaps.size() * 95 / 100]),
            (long long)(gaps.empty() ? 0 : gaps.back()));
        if (published.size() < (disturbed ? 82u : 85u) || requests || rejects) return 1;
    }
    return 0;
}