#ifndef CLIPBOARDRESULTDIALOG_H
#define CLIPBOARDRESULTDIALOG_H

#include <QClipboard>
#include <QDialog>
#include <QEvent>
#include <QGuiApplication>
#include <QLabel>
#include <QTimer>
#include <QUrl>
#ifndef QT_NO_DEBUG
#include <QDebug>
#endif

// Keep the result window focused while taking ownership of the clipboard.
class ClipboardResultDialog : public QDialog {
public:
    ClipboardResultDialog(const QUrl &url, bool requiresFocus, QWidget *parent = nullptr)
        : QDialog(parent), m_text(url.toString(QUrl::FullyEncoded)),
          m_requiresFocus(requiresFocus), m_status(new QLabel(this)) {
        m_status->setText(QStringLiteral("Activate this window to copy the short URL."));
        m_status->setWordWrap(true);
    }

    QLabel *copyStatusLabel() const { return m_status; }

    bool copyShortUrl() {
        if (m_requiresFocus && !isActiveWindow())
            return false;
        auto *clipboard = QGuiApplication::clipboard();
        clipboard->setText(m_text, QClipboard::Clipboard);
        const bool copied = clipboard->text(QClipboard::Clipboard) == m_text && (!QGuiApplication::platformName().startsWith(QStringLiteral("wayland")) || clipboard->ownsClipboard());
        m_status->setText(copied ? QStringLiteral("Short URL copied to clipboard.")
                                 : QStringLiteral("Could not copy the short URL. Click OK to retry."));
#ifndef QT_NO_DEBUG
        qDebug() << "[clipboard] short URL write, active:" << isActiveWindow()
                 << "owns clipboard:" << clipboard->ownsClipboard() << "verified:" << copied;
#endif
        return copied;
    }

protected:
    void changeEvent(QEvent *event) override {
        QDialog::changeEvent(event);
        if (event->type() == QEvent::ActivationChange && isActiveWindow()) {
            // Let Qt finish processing the focus event and its Wayland input serial.
            QTimer::singleShot(0, this, [this]() {
                if (isActiveWindow())
                    copyShortUrl();
            });
        }
    }

private:
    QString m_text;
    bool m_requiresFocus;
    QLabel *m_status;
};

#endif// CLIPBOARDRESULTDIALOG_H