/* Настоящие core/storage, Qt worker и кеш: два канала, публикация после COMMIT и restart. */
#include "../src/avatars/avatarmanager.h"
#include "../db/db_manager.h"
#include "../transport/gui_bridge.h"
#include <QtTest>
#include <QTemporaryDir>
#include <QFile>
#include <QCryptographicHash>
extern "C" {
#include "utun_instance.h"
#include "chat/chat_core.h"
#include "chat/chat_event.h"
#include "chat/chat_member.h"
#include "chat/member_sync.h"
#include "routing_layer/topo_group.h"
#include "member_files/member_files.h"
#include "json_flat.h"
#include "mem.h"
#include "debug_config.h"
}
static UTUN_INSTANCE* testInstance;
static unsigned downloads;
extern "C" int gui_bridge_is_uasync_ready(void) { return testInstance != nullptr; }
extern "C" UTUN_INSTANCE* gui_bridge_get_inst(void) { return testInstance; }
extern "C" void gui_bridge_post_uasync_fn(void (*fn)(void*), void* arg) {
    if (fn == member_files_gui_transfer && !((mf_transfer_request*)arg)->upload) downloads++;
    uasync_call_soon(testInstance->ua, arg, fn);
}
static void avatarEvent(UTUN_INSTANCE*, int type, const uint8_t* data, int length) {
    DEBUG_DEBUG(DEBUG_CATEGORY_MEDIA, "avatar test: event type=%d bytes=%d", type, length);
    auto* manager = AvatarManager::instance(); if (!manager) return;
    if (type == CHAT_EVT_MEMBER_FILES_RESPONSE) manager->onResponse(data, length);
    if (type == CHAT_EVT_MEMBER_FILES_TRANSFER) manager->onTransfer(data, length);
    if (type == CHAT_EVT_AVATAR_RESULT) manager->onPublished(data, length);
    if (type == CHAT_EVT_MEMBER_UPDATED && length >= 2 + data[0] + CHAT_MEMBER_DISPLAY_SIZE)
        manager->onMembers(QString::fromLatin1((const char*)data + 1, data[0]), 1, data + 2 + data[0], CHAT_MEMBER_DISPLAY_SIZE, false);
    if (type == CHAT_EVT_MEMBER_LIST && length >= 3 + data[0]) {
        uint16_t count; memcpy(&count, data + 1 + data[0], 2);
        manager->onMembers(QString::fromLatin1((const char*)data + 1, data[0]), count, data + 3 + data[0], length - 3 - data[0]);
    }
}

class AvatarTest : public QObject {
    Q_OBJECT
private slots:
    void cacheValidation() {
        QTemporaryDir directory; QVERIFY(directory.isValid());
        QVERIFY(AvatarCache::initialize(directory.path()));
        QImage source(600, 400, QImage::Format_RGB32); source.fill(Qt::red);
        const QString input = directory.path() + "/input.jpg"; QVERIFY(source.save(input));
        const auto prepared = AvatarCache::prepare(input, directory.path());
        QVERIFY2(!prepared.image.isNull(), qPrintable(prepared.error)); QCOMPARE(prepared.image.size(), QSize(256, 256));
        const QString path = directory.path() + '/' + prepared.hash + ".png";
        QVERIFY(!AvatarCache::load(path, prepared.hash).image.isNull());
        QVERIFY(AvatarCache::load(path, QString(64, '0')).image.isNull());
        QFile corrupt(path); QVERIFY(corrupt.open(QIODevice::Append)); QCOMPARE(corrupt.write("x"), 1LL); corrupt.close();
        QVERIFY(AvatarCache::load(path, prepared.hash).image.isNull());
        QImage nonSquare(32, 64, QImage::Format_RGB32); nonSquare.fill(Qt::green);
        QByteArray bytes; QBuffer buffer(&bytes); QVERIFY(buffer.open(QIODevice::WriteOnly)); QVERIFY(nonSquare.save(&buffer, "PNG"));
        const QString hash = QCryptographicHash::hash(bytes, QCryptographicHash::Sha256).toHex();
        const QString bad = directory.path() + "/bad.download"; QFile output(bad); QVERIFY(output.open(QIODevice::WriteOnly));
        QCOMPARE(output.write(bytes), qint64(bytes.size())); output.close();
        QVERIFY(AvatarCache::publish(bad, directory.path(), hash).image.isNull()); QVERIFY(!QFile::exists(bad));
        QFile partial(directory.path() + "/x.png.utun-123.part"); QVERIFY(partial.open(QIODevice::WriteOnly)); partial.close();
        QVERIFY(AvatarCache::initialize(directory.path())); QVERIFY(!partial.exists());
    }

    void uploadReplicateCacheRestartAndRemove() {
        debug_config_init(); debug_set_level(DEBUG_LEVEL_INFO);
        debug_set_category_level(DEBUG_CATEGORY_CHAT_SYNC, DEBUG_LEVEL_DEBUG);
        debug_set_category_level(DEBUG_CATEGORY_MEDIA, DEBUG_LEVEL_DEBUG);
        debug_set_category_level(DEBUG_CATEGORY_SYS, DEBUG_LEVEL_ERROR);
        QTemporaryDir directory; QVERIFY(directory.isValid());
        UASYNC* ua = uasync_create(); QVERIFY(ua);
        const QByteArray config = "[global]\nmy_private_key=704f2e012c8fa8768130cb0f988a997dccb628372bc5ceccacc78dcbfec5916f\n"
            "my_public_key=b3193173def895bd0fcea6f86af077c7d77216f10395275f627ac18242ec0f01\n"
            "[chatserver]\ngroup_autoconnect=0\nstorage_autoload=0\nmember_files_path=" + directory.path().toUtf8() + "/storage\n";
        testInstance = utun_instance_create_from_str(ua, config.constData()); QVERIFY(testInstance);
        QVERIFY(utun_core_start(testInstance) == 0); QVERIFY(chat_service_start(testInstance) == 0);
        chat_core_create_channel_auto(testInstance, "one"); chat_core_create_channel_auto(testInstance, "two");
        DbManager db; db.setDb(testInstance->topo_sqlite_db); db.setMyNodeId(testInstance->node_id); db.setDbPath(directory.path());
        const auto channels = db.getChannels(); QCOMPARE(channels.size(), 2);
        for (const auto& channel : channels) {
            auto* tags = chat_member_tags_load(testInstance, channel.channelId.toLatin1().constData(), testInstance->node_id); QVERIFY(tags);
            QCOMPARE(chat_member_tags_set(tags, "storage", "yes"), 0); QCOMPARE(chat_member_tags_commit(testInstance, tags), 0);
            chat_member_tags_free(tags);
        }
        QTimer poll; connect(&poll, &QTimer::timeout, this, [ua] { uasync_poll(ua, 0); }); poll.start(1);
        chat_event_set_handler(testInstance, avatarEvent);
        const QString source = directory.path() + "/photo.png"; QImage image(300, 200, QImage::Format_RGB32); image.fill(Qt::blue);
        QVERIFY(image.save(source));
        QString cached;
        {
            AvatarManager manager(&db); manager.initialize();
            QTRY_COMPARE_WITH_TIMEOUT(manager.servers().size(), 1, 5000);
            manager.uploadDefault(source, testInstance->node_id);
            QTRY_VERIFY_WITH_TIMEOUT(!manager.defaultImage().isNull(), 5000);
            for (const auto& channel : channels) {
                uint8_t wire[CHAT_MEMBER_DISPLAY_SIZE];
                QTRY_VERIFY_WITH_TIMEOUT(chat_core_get_single_member(testInstance, channel.channelId.toLatin1().constData(), testInstance->node_id, wire) == 0 &&
                    mf_get64(wire + 79) == testInstance->node_id, 10000);
                chat_member_display member{}; chat_core_deserialize_member(wire, &member);
                QVERIFY(mf_avatar_file_valid(member.avatar_file));
                QVERIFY(QFile::exists(directory.path() + "/storage/" + channel.channelId + '/' + QString::number(testInstance->node_id) +
                    "/avatars/" + member.avatar_file));
                QVERIFY(!manager.image(channel.channelId, testInstance->node_id).isNull());
                cached = directory.path() + "/avatar_cache/" + QString::number(testInstance->node_id, 16) + '/' + member.avatar_file;
            }
            chat_core_update_my_name(testInstance, "quote\"\\name"); chat_core_sync_my_addresses(testInstance);
            for (const auto& channel : channels) {
                uint8_t wire[CHAT_MEMBER_DISPLAY_SIZE]; QCOMPARE(chat_core_get_single_member(testInstance, channel.channelId.toLatin1().constData(), testInstance->node_id, wire), 0);
                QCOMPARE(mf_get64(wire + 79), testInstance->node_id);
                QCOMPARE(manager.image(channel.channelId, testInstance->node_id).pixelColor(128, 128), QColor(Qt::blue));
            }
            uasync_poll(ua, 0);
        }
        downloads = 0;
        {
            AvatarManager manager(&db); manager.initialize();
            QTRY_VERIFY_WITH_TIMEOUT(!manager.image(channels[0].channelId, testInstance->node_id).isNull(), 5000);
            QCOMPARE(downloads, 0u);
        }
        QVERIFY(QFile::remove(cached)); downloads = 0;
        {
            AvatarManager manager(&db); manager.initialize();
            QTRY_VERIFY_WITH_TIMEOUT(!manager.image(channels[0].channelId, testInstance->node_id).isNull(), 10000);
            QVERIFY(downloads == 1); QVERIFY(QFile::exists(cached));
            manager.clearDefault();
            for (const auto& channel : channels) {
                uint8_t wire[CHAT_MEMBER_DISPLAY_SIZE];
                QTRY_VERIFY_WITH_TIMEOUT(chat_core_get_single_member(testInstance, channel.channelId.toLatin1().constData(), testInstance->node_id, wire) == 0 &&
                    mf_get64(wire + 79) == 0, 5000);
                QVERIFY(manager.image(channel.channelId, testInstance->node_id).isNull());
            }
        }
        poll.stop(); chat_event_set_handler(testInstance, nullptr); db.setDb(nullptr);
        utun_instance_destroy(testInstance); testInstance = nullptr; uasync_destroy(ua, 0);
    }
};
QTEST_MAIN(AvatarTest)
#include "test_avatars.moc"