# -*- coding: utf-8 -*-

# Copyright (c) 2009 - 2024 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing a dialog for the configuration of cookie exceptions.
"""

from PyQt6.QtCore import QSortFilterProxyModel, pyqtSlot
from PyQt6.QtGui import QFont, QFontMetrics
from PyQt6.QtWidgets import QCompleter, QDialog

from .CookieExceptionsModel import CookieExceptionsModel
from .Ui_CookiesExceptionsDialog import Ui_CookiesExceptionsDialog


class CookiesExceptionsDialog(QDialog, Ui_CookiesExceptionsDialog):
    """
    Class implementing a dialog for the configuration of cookie exceptions.
    """

    def __init__(self, cookieJar, parent=None):
        """
        Constructor

        @param cookieJar reference to the cookie jar
        @type CookieJar
        @param parent reference to the parent widget
        @type QWidget
        """
        super().__init__(parent)
        self.setupUi(self)

        self.__cookieJar = cookieJar

        self.removeButton.clicked.connect(self.exceptionsTable.removeSelected)
        self.removeAllButton.clicked.connect(self.exceptionsTable.removeAll)

        self.exceptionsTable.verticalHeader().hide()
        self.__exceptionsModel = CookieExceptionsModel(cookieJar)
        self.__proxyModel = QSortFilterProxyModel(self)
        self.__proxyModel.setSourceModel(self.__exceptionsModel)
        self.searchEdit.textChanged.connect(self.__proxyModel.setFilterFixedString)
        self.exceptionsTable.setModel(self.__proxyModel)

        self.domainEdit.setCompleter(
            QCompleter(cookieJar.cookieDomains(), self.domainEdit)
        )

        f = QFont()
        f.setPointSize(10)
        fm = QFontMetrics(f)
        height = fm.height() + fm.height() // 3
        self.exceptionsTable.verticalHeader().setDefaultSectionSize(height)
        self.exceptionsTable.verticalHeader().setMinimumSectionSize(-1)
        for section in range(self.__exceptionsModel.columnCount()):
            header = self.exceptionsTable.horizontalHeader().sectionSizeHint(section)
            if section == 0:
                header = fm.horizontalAdvance("averagebiglonghost.averagedomain.info")
            elif section == 1:
                header = fm.horizontalAdvance(self.tr("Allow For Session"))
            buffer = fm.horizontalAdvance("mm")
            header += buffer
            self.exceptionsTable.horizontalHeader().resizeSection(section, header)

    def setDomainName(self, domain):
        """
        Public method to set the domain to be displayed.

        @param domain domain name to be displayed
        @type str
        """
        self.domainEdit.setText(domain)

    @pyqtSlot(str)
    def on_domainEdit_textChanged(self, txt):
        """
        Private slot to handle a change of the domain edit text.

        @param txt current text of the edit
        @type str
        """
        enabled = txt != ""
        self.blockButton.setEnabled(enabled)
        self.allowButton.setEnabled(enabled)
        self.allowForSessionButton.setEnabled(enabled)

    @pyqtSlot()
    def on_blockButton_clicked(self):
        """
        Private slot to block cookies of a domain.
        """
        from .CookieJar import CookieExceptionRuleType

        self.__exceptionsModel.addRule(
            self.domainEdit.text(), CookieExceptionRuleType.Block
        )
        self.domainEdit.clear()

    @pyqtSlot()
    def on_allowForSessionButton_clicked(self):
        """
        Private slot to allow cookies of a domain for the current session only.
        """
        from .CookieJar import CookieExceptionRuleType

        self.__exceptionsModel.addRule(
            self.domainEdit.text(), CookieExceptionRuleType.AllowForSession
        )
        self.domainEdit.clear()

    @pyqtSlot()
    def on_allowButton_clicked(self):
        """
        Private slot to allow cookies of a domain.
        """
        from .CookieJar import CookieExceptionRuleType

        self.__exceptionsModel.addRule(
            self.domainEdit.text(), CookieExceptionRuleType.Allow
        )
        self.domainEdit.clear()
