#include "events.hpp"

void handle() {
    g_pWindowManager->statusBar.draw();

    // check config
    ConfigManager::tick();
}

void Events::setThread() {

    g_pWindowManager->barThread = new std::thread([&]() {
        for (;;) {
            handle();
            std::this_thread::sleep_for(std::chrono::milliseconds(1000 / ConfigManager::getInt("max_fps")));
        }
    });
}

void Events::eventEnter(xcb_generic_event_t* event) {
    const auto E = reinterpret_cast<xcb_enter_notify_event_t*>(event);

    // Just focus it and update.
    g_pWindowManager->setFocusedWindow(E->event);

    //                                           vvv insallah no segfaults
    g_pWindowManager->getWindowFromDrawable(E->event)->setDirty(true);
}

void Events::eventLeave(xcb_generic_event_t* event) {
    const auto E = reinterpret_cast<xcb_leave_notify_event_t*>(event);

    //
}

void Events::eventDestroy(xcb_generic_event_t* event) {
    const auto E = reinterpret_cast<xcb_destroy_notify_event_t*>(event);
    xcb_kill_client(g_pWindowManager->DisplayConnection, E->window);

    // fix last window
    const auto CLOSEDWINDOW = g_pWindowManager->getWindowFromDrawable(E->window);
    if (CLOSEDWINDOW) {
        g_pWindowManager->fixWindowOnClose(CLOSEDWINDOW);

        // delete off of the arr
        g_pWindowManager->removeWindowFromVectorSafe(E->window);
    }
}

void Events::eventMapWindow(xcb_generic_event_t* event) {
    const auto E = reinterpret_cast<xcb_map_request_event_t*>(event);

    // make sure it's not the bar!
    if (E->window == g_pWindowManager->statusBar.getWindowID())
        return;

    // Map the window
    xcb_map_window(g_pWindowManager->DisplayConnection, E->window);

    // Do the setup of the window's params and stuf
    CWindow window;
    window.setDrawable(E->window);
    window.setIsFloating(false);
    window.setDirty(true);
    const auto CURRENTSCREEN = g_pWindowManager->getMonitorFromCursor()->ID;
    window.setWorkspaceID(g_pWindowManager->activeWorkspaces[CURRENTSCREEN]);
    window.setMonitor(CURRENTSCREEN);

    window.setDefaultPosition(Vector2D(0,0));
    window.setDefaultSize(Vector2D(g_pWindowManager->Screen->width_in_pixels/2.f,g_pWindowManager->Screen->height_in_pixels/2.f));

    // Set the parent
    // check if lastwindow is on our workspace
    if (auto PLASTWINDOW = g_pWindowManager->getWindowFromDrawable(g_pWindowManager->LastWindow); PLASTWINDOW
        && PLASTWINDOW->getWorkspaceID() == g_pWindowManager->activeWorkspaces[CURRENTSCREEN]) {
            // LastWindow is on our workspace, let's make a new split node

            if (PLASTWINDOW->getIsFloating()) {
                // find a window manually
                PLASTWINDOW = g_pWindowManager->findWindowAtCursor();
            }

            CWindow newWindowSplitNode;
            newWindowSplitNode.setPosition(PLASTWINDOW->getPosition());
            newWindowSplitNode.setSize(PLASTWINDOW->getSize());

            newWindowSplitNode.setChildNodeAID(PLASTWINDOW->getDrawable());
            newWindowSplitNode.setChildNodeBID(E->window);

            newWindowSplitNode.setParentNodeID(PLASTWINDOW->getParentNodeID());

            newWindowSplitNode.setWorkspaceID(window.getWorkspaceID());
            newWindowSplitNode.setMonitor(window.getMonitor());

            // generates a negative node ID
            newWindowSplitNode.generateNodeID();

            // update the parent if exists
            if (const auto PREVPARENT = g_pWindowManager->getWindowFromDrawable(PLASTWINDOW->getParentNodeID()); PREVPARENT) {
                if (PREVPARENT->getChildNodeAID() == PLASTWINDOW->getDrawable()) {
                    PREVPARENT->setChildNodeAID(newWindowSplitNode.getDrawable());
                } else {
                    PREVPARENT->setChildNodeBID(newWindowSplitNode.getDrawable());
                }
            }

            window.setParentNodeID(newWindowSplitNode.getDrawable());
            PLASTWINDOW->setParentNodeID(newWindowSplitNode.getDrawable());

            g_pWindowManager->addWindowToVectorSafe(newWindowSplitNode);
    } else {
        // LastWindow is not on our workspace, so set the parent to 0.
        window.setParentNodeID(0);
    }

    // Also sets the old one
    g_pWindowManager->calculateNewWindowParams(&window);

    // Focus
    g_pWindowManager->setFocusedWindow(E->window);

    // Add to arr
    g_pWindowManager->addWindowToVectorSafe(window);

    Debug::log(LOG, "Created a new window! X: " + std::to_string(window.getPosition().x) + ", Y: " + std::to_string(window.getPosition().y) + ", W: "
        + std::to_string(window.getSize().x) + ", H:" + std::to_string(window.getSize().y) + " ID: " + std::to_string(E->window));

    // Set map values
    g_pWindowManager->Values[0] = XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_FOCUS_CHANGE;
    xcb_change_window_attributes_checked(g_pWindowManager->DisplayConnection, E->window, XCB_CW_EVENT_MASK, g_pWindowManager->Values);
 
    g_pWindowManager->setFocusedWindow(E->window);
}

void Events::eventButtonPress(xcb_generic_event_t* event) {
    const auto E = reinterpret_cast<xcb_key_press_event_t*>(event);

    const auto KEYSYM = KeybindManager::getKeysymFromKeycode(E->detail);

    for (auto& keybind : KeybindManager::keybinds) {
        if (keybind.getKeysym() != 0 && keybind.getKeysym() == KEYSYM && KeybindManager::modToMask(keybind.getMod()) == E->state) {
            keybind.getDispatcher()(keybind.getCommand());
            return;
            // TODO: fix duplicating keybinds
        }
    }
}

void Events::eventKeyPress(xcb_generic_event_t* event) {
    const auto E = reinterpret_cast<xcb_key_press_event_t*>(event);

    // todo: super resize and move floating
}

void Events::eventExpose(xcb_generic_event_t* event) {
    const auto E = reinterpret_cast<xcb_expose_event_t*>(event);

    // Draw the bar
    g_pWindowManager->statusBar.draw();
}