from PyQt6.QtCore import Qt
from PyQt6.QtGui import QFont
from PyQt6.QtWidgets import *


class AboutDialog(QDialog):
    """Dialog for showing info about TortoiseHg"""

    def __init__(self, parent=None):
        super(AboutDialog, self).__init__(parent)
        self.setWindowTitle(self.tr("About"))
        self.setModal(True)

        self.layout = QVBoxLayout(self)
        heading_app_name = QLabel("RavenLog")
        heading_app_name.setFont(QFont("default", 25))
        self.layout.addWidget(heading_app_name)

        tabs = QTabWidget()
        tabs.addTab(self._about(), self.tr("About"))
        tabs.addTab(self._license(), self.tr("License"))

        self.layout.addWidget(tabs)

    def _about(self) -> QWidget:
        result = QWidget()
        result.layout = QVBoxLayout(result)

        download_url_lbl = QLabel()
        download_url_lbl.setMouseTracking(True)
        download_url_lbl.setAlignment(Qt.AlignmentFlag.AlignLeft)
        download_url_lbl.setTextInteractionFlags(Qt.TextInteractionFlag.LinksAccessibleByMouse)
        download_url_lbl.setOpenExternalLinks(True)
        download_url_lbl.setText('<a href=%s>%s</a>' %
                                 ('https://opentext.com/',
                                  self.tr("License: GNU Lesser General Public License v3")))
        result.layout.addWidget(QLabel(self.tr("Log file viewer")))
        result.layout.addWidget(QLabel(self.tr("(c) 2021 Open Text Corporation")))
        result.layout.addWidget(QLabel(self.tr("Log file viewer")))
        result.layout.addWidget(download_url_lbl)
        return result

    def _license(self) -> QWidget:
        result = QWidget()
        result.layout = QVBoxLayout(result)

        result.layout.addWidget(QLabel(self.tr("* Qt 6.2.0 (LGPLv3)")))
        result.layout.addWidget(QLabel(self.tr("* watchdog 2.16 (Apache)")))

        return result