#include "ScrcpyWindow.h"
#include <QDebug>
#include <QTimer>

#ifdef Q_OS_WIN
#include <windows.h>
#endif

ScrcpyWindow::ScrcpyWindow(QWidget *parent) : QWidget(parent), m_process(nullptr) {
    setWindowFlag(Qt::WindowStaysOnTopHint);
    startScrcpy();
}

ScrcpyWindow::~ScrcpyWindow() {
    stopScrcpy();
}

void ScrcpyWindow::startScrcpy() {
    m_process = new QProcess(this);
    m_process->start("scrcpy", {"--window-title", "scrcpy", "--always-on-top"});

    // Подождём немного, чтобы окно scrcpy запустилось
    QTimer::singleShot(5000, this, &ScrcpyWindow::embedPlatformSpecific);
}

void ScrcpyWindow::stopScrcpy() {
    if (m_process) {
        m_process->terminate();
        m_process->waitForFinished();
        delete m_process;
        m_process = nullptr;
    }
}


void ScrcpyWindow::embedPlatformSpecific() {
#ifdef Q_OS_WIN

    HWND hwndScrcpy = FindWindowW(nullptr, L"scrcpy");
    if (!hwndScrcpy) {
        qDebug() << "scrcpy window not found";
        return;
    }

    HWND hwndTarget = (HWND)this->winId();
    SetParent(hwndScrcpy, hwndTarget);

    LONG style = GetWindowLong(hwndScrcpy, GWL_STYLE);
    style &= ~(WS_CAPTION | WS_THICKFRAME | WS_BORDER);
    SetWindowLong(hwndScrcpy, GWL_STYLE, style);

    RECT rect;
    GetClientRect(hwndTarget, &rect);
    SetWindowPos(hwndScrcpy, HWND_TOP, 0, 0,
                 rect.right - rect.left, rect.bottom - rect.top,
                 SWP_SHOWWINDOW);

#elif defined(Q_OS_MAC)

    extern void embedScrcpyMac(QWidget *container);
    embedScrcpyMac(this);

#else

    qDebug() << "Scrcpy embedding not implemented for this OS.";

#endif
}