/* Настоящие MainWindow/uasync/SQLite: контекстное меню, composer и обновление существующей строки/цитаты. */
#include "../src/mainwindow.h"
#include "../src/messagelist.h"
#include "../src/messagedelegate.h"
#include "../src/chatview.h"
#include "../src/inputbar.h"
#include "../db/db_manager.h"
#include "../transport/utun_node.h"
#include "../transport/gui_bridge.h"
#include <QtTest>
#include <QTemporaryDir>
#include <QFile>
#include <QTextEdit>
#include <QMenu>
#include <QScopeGuard>
#include <future>
#include <memory>
extern "C" {
#include "utun_instance.h"
#include "chat/chat_core.h"
#include "debug_config.h"
}

static int newMessages;
static int inCore(std::function<int(UTUN_INSTANCE*)> operation) {
    auto* task = new std::packaged_task<int()>([operation] { return operation(gui_bridge_get_inst()); });
    auto result = task->get_future();
    gui_bridge_post_uasync_fn([](void* arg) {
        std::unique_ptr<std::packaged_task<int()>> work(static_cast<std::packaged_task<int()>*>(arg)); (*work)();
    }, task);
    if (result.wait_for(std::chrono::seconds(5)) != std::future_status::ready) qFatal("Edit test: core task timed out");
    return result.get();
}

class GroupEditTest : public QObject {
    Q_OBJECT
private slots:
    void editThroughMenuAndCore() {
        debug_config_init(); gui_bridge_init(); QTemporaryDir directory; QVERIFY(directory.isValid());
        directory.setAutoRemove(false);
        auto diagnostics = qScopeGuard([&] { directory.setAutoRemove(!QTest::currentTestFailed()); });
        const auto configPath = directory.filePath("node.cfg"); QFile config(configPath); QVERIFY(config.open(QIODevice::WriteOnly));
        const QByteArray settings = "[global]\n"
            "my_private_key=704f2e012c8fa8768130cb0f988a997dccb628372bc5ceccacc78dcbfec5916f\n"
            "my_public_key=b3193173def895bd0fcea6f86af077c7d77216f10395275f627ac18242ec0f01\n"
            "tun_enabled=no\n[server:local]\naddr=127.0.0.1:0\ntype=private\n"
            "[chatserver]\ngroup_autoconnect=0\nstorage_autoload=0\nlocal_invites_enabled=0\nlocal_broadcasts_enabled=0\n"
            "[ntp]\nenabled=no\n";
        QCOMPARE(config.write(settings), settings.size()); config.close(); DbManager db;
        MainWindow window(nullptr, &db, configPath, directory.filePath("db"), directory.filePath("edit.log"), "warn", "chat_sync=debug");
        window.show(); QFile log(directory.filePath("edit.log"));
        const QByteArray startupLog = log.open(QIODevice::ReadOnly) ? log.readAll() : QByteArray("log unavailable");
        QVERIFY2(window.utunNode()->isRunning(), qPrintable(window.utunNode()->startupError() + "\n" + startupLog));
        QTRY_VERIFY_WITH_TIMEOUT(db.isOpen(), 3000);
        QCOMPARE(inCore([](UTUN_INSTANCE* inst) { chat_core_create_channel_auto(inst, "Editable"); return 0; }), 0);
        QTRY_COMPARE(db.getChannels().size(), 1); const auto channel = db.getChannels().first().channelId;
        QByteArray id;
        QCOMPARE(inCore([&](UTUN_INSTANCE* inst) {
            chat_msg_submit req{}; req.inst = inst; strcpy(req.content_type, "text/plain");
            snprintf(req.channel_id, sizeof(req.channel_id), "%s", qPrintable(channel));
            req.data = (uint8_t*)"Original"; req.data_len = 8;
            if (chat_core_submit_message(inst, &req)) return -1;
            id = QByteArray((const char*)req.message_id, 32); memcpy(req.reply_to, req.message_id, 32);
            req.data = (uint8_t*)"Reply"; req.data_len = 5; return chat_core_submit_message(inst, &req);
        }), 0);
        auto* history = window.findChild<MessageList*>(); QVERIFY(history); history->loadChannel(channel);
        auto* view = history->findChild<ChatView*>(); auto* input = history->findChild<InputBar*>(); QVERIFY(view && input);
        auto* editor = input->findChild<QTextEdit*>(); QVERIFY(editor);
        QTRY_COMPARE(view->model()->rowCount(), 2);
        const QModelIndex original = view->model()->index(0, 0), reply = view->model()->index(1, 0);
        QCOMPARE(original.data(MsgTextRole).toString(), QString("Original"));
        editor->setPlainText("Unsent draft");
        auto openEditor = [&] {
            QTimer::singleShot(0, [] {
                auto* menu = qobject_cast<QMenu*>(QApplication::activePopupWidget());
                if (!menu) qFatal("Edit menu missing");
                for (auto* action : menu->actions()) if (action->text() == "Edit message") { action->trigger(); menu->close(); return; }
                qFatal("Edit action missing");
            });
            view->scrollTo(original); QCoreApplication::processEvents();
            const auto pos = view->visualRect(original).center();
            QMetaObject::invokeMethod(view, "customContextMenuRequested", Qt::DirectConnection, Q_ARG(QPoint, pos));
        };
        openEditor(); QCOMPARE(editor->toPlainText(), QString("Original"));
        gui_bridge_set_msg_received_cb([](const char*, int, uint64_t, int) { ++newMessages; }); newMessages = 0;
        editor->setPlainText(QString::fromUtf8("Изменено 👍")); QTest::keyClick(editor, Qt::Key_Return);
        QTRY_COMPARE_WITH_TIMEOUT(original.data(MsgVersionRole).toULongLong(), quint64(2), 3000);
        QCOMPARE(view->model()->rowCount(), 2); QCOMPARE(original.data(MsgTextRole).toString(), QString::fromUtf8("Изменено 👍"));
        QVERIFY(original.data(MsgTimeRole).toString().contains("edited "));
        QCOMPARE(reply.data(MsgQuoteTextRole).toString(), QString::fromUtf8("Изменено 👍"));
        QTRY_COMPARE(editor->toPlainText(), QString("Unsent draft")); QCOMPARE(newMessages, 0);
        openEditor(); editor->setPlainText("Stale editor draft");
        QCOMPARE(inCore([&](UTUN_INSTANCE* inst) {
            return chat_core_edit_message(inst, qPrintable(channel), (const uint8_t*)id.constData(), 2, "Remote edit", 11);
        }), 0);
        QTRY_COMPARE(original.data(MsgVersionRole).toULongLong(), quint64(3));
        QCOMPARE(editor->toPlainText(), QString("Stale editor draft"));
        QSignalSpy failures(input, &InputBar::attachmentRejected); QTest::keyClick(editor, Qt::Key_Return);
        QTRY_COMPARE(failures.size(), 1); QCOMPARE(editor->toPlainText(), QString("Stale editor draft"));
        QCOMPARE(original.data(MsgTextRole).toString(), QString("Remote edit")); QCOMPARE(newMessages, 0);
        QTest::keyClick(editor, Qt::Key_Escape); QCOMPARE(editor->toPlainText(), QString("Unsent draft"));
        gui_bridge_set_msg_received_cb(nullptr);
    }
};
QTEST_MAIN(GroupEditTest)
#include "test_group_edits.moc"