# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

from PySide6.QtCore import Qt, QTimer, QPoint, Slot
from PySide6.QtWidgets import (QWidget, QHBoxLayout, QLabel, QVBoxLayout, QSpacerItem, QSizePolicy,
                               QPushButton)
from PySide6.QtWebEngineCore import QWebEngineNotification
from PySide6.QtGui import QPixmap, QMouseEvent


class NotificationPopup(QWidget):
    def __init__(self, parent) -> None:
        super().__init__(parent)
        self.notification = None
        self.m_icon, self.m_title, self.m_message = QLabel(), QLabel(), QLabel()
        self.setWindowFlags(Qt.ToolTip)

        rootLayout = QHBoxLayout(self)
        rootLayout.addWidget(self.m_icon)

        bodyLayout = QVBoxLayout()
        rootLayout.addLayout(bodyLayout)

        titleLayout = QHBoxLayout()
        bodyLayout.addLayout(titleLayout)

        titleLayout.addWidget(self.m_title)
        titleLayout.addItem(QSpacerItem(0, 0, QSizePolicy.Expanding))

        close = QPushButton("Close")
        titleLayout.addWidget(close)
        close.clicked.connect(self.onClosed)

        bodyLayout.addWidget(self.m_message)
        self.adjustSize()

    def present(self, newNotification: QWebEngineNotification):
        if self.notification:
            self.notification.close()

        self.notification = newNotification

        self.m_title.setText("<b>" + self.notification.title() + "</b>")
        self.m_message.setText(self.notification.message())
        self.m_icon.setPixmap(QPixmap.fromImage(self.notification.icon())
                              .scaledToHeight(self.m_icon.height()))

        self.show()
        self.notification.show()

        self.notification.closed.connect(self.onClosed)
        QTimer.singleShot(10000, lambda: self.onClosed())

        self.move(self.parentWidget().mapToGlobal(self.parentWidget().rect().bottomRight() -
                  QPoint(self.width() + 10, self.height() + 10)))

    @Slot()
    def onClosed(self):
        self.hide()
        if self.notification:
            self.notification.close()
        self.notification = None

    def mouseReleaseEvent(self, event: QMouseEvent) -> None:
        QWidget.mouseReleaseEvent(event)
        if self.notification and event.button() == Qt.LeftButton:
            self.notification.click()
            self.onClosed()
