from datetime import datetime
from logging import error, info

from PySide6.QtWidgets import QMessageBox, QWidget, QPushButton, QProgressBar, QApplication

from func.utils.Constants import Constants
from func.utils.CustomException import TipsTypeValueNotExistError, MsgBoxTypeValueNotExistError


class PublicFunc:

    @staticmethod
    def get_current_localtime() -> str:
        """
        获取当前本地时间

        Parameters:

        Returns:
            str，格式化为"%H:%M:%S"的当前本地时间

        Raises:
        """
        return str(datetime.now().strftime("%H:%M:%S"))

    @staticmethod
    def format_status_msg(msg) -> str:
        """
        格式化状态栏信息

        Parameters:
            msg - str，需要被格式化的字符串

        Returns:
            str，格式化为"%H:%M:%S"的当前本地时间 + 信息

        Raises:
        """
        return str(datetime.now().strftime("%H:%M:%S")) + " " + msg

    @staticmethod
    def text_output(main_window: object, content: str, tips_type: str) -> None:
        """
        更新textBrowser中的内容，同时输出日志

        Parameters:
          main_window - object，Qt的含有textBrowser属性的对象，这里一般指的是mainWindow，里面有唯一的textBrowser属性
          content - str，需要输出的内容
          tips_type - 日志输出的类型

        Returns:

        Raises:
            TipsTypeValueNotExistError
        """
        if tips_type is Constants.TIPS_TYPE_INFO:
            info(f"{tips_type}: {content}")
            main_window.textBrowser_info.append(
                f"<font color='black'>{PublicFunc.get_current_localtime()} {tips_type}: {content}</font>")
        elif tips_type is Constants.TIPS_TYPE_ERROR:
            error(f"{tips_type}: {content}")
            main_window.textBrowser_info.append(
                f"<font color='red'>{PublicFunc.get_current_localtime()} {tips_type}: {content}</font>")
        else:
            raise TipsTypeValueNotExistError()

        main_window.textBrowser_info.verticalScrollBar().setValue(
            main_window.textBrowser_info.verticalScrollBar().maximum())

    @staticmethod
    def msgbox_output(main_window: object, content: str, msg_box_type: str) -> None:
        """
        更新messageBox中的内容，并弹出

        Parameters:
          main_window - object，Qt的含有messageBox属性的对象，这里一般指的是mainWindow，里面有唯一的messageBox属性
          content - str，需要输出的内容
          msg_box_type - str，messageBox弹窗的类型

        Returns:

        Raises:
            MsgBoxTypeValueNotExistError
        """
        main_window.msgBox.setText(f"{msg_box_type}: {content}")
        if msg_box_type is Constants.MSGBOX_TYPE_INFO:
            main_window.msgBox.setIcon(QMessageBox.Information)
        elif msg_box_type is Constants.MSGBOX_TYPE_WARNING:
            main_window.msgBox.setIcon(QMessageBox.Warning)
        elif msg_box_type is Constants.MSGBOX_TYPE_ERROR:
            main_window.msgBox.setIcon(QMessageBox.Critical)
        elif msg_box_type is Constants.MSGBOX_TYPE_QUESTION:
            main_window.msgBox.setIcon(QMessageBox.Question)
        else:
            raise MsgBoxTypeValueNotExistError()
        main_window.msgBox.exec()

    @staticmethod
    def __disableAllButton__(mainWindow, buttonState):
        # 禁用所有按钮
        all_widgets = mainWindow.centralWidget().findChildren(QWidget)

        # 迭代所有部件，查找按钮并禁用它们
        for widget in all_widgets:
            if isinstance(widget, QPushButton):
                if widget.objectName() in buttonState["Current"].keys():
                    widget.setEnabled(False)

    @staticmethod
    def __enableAllButton__(mainWindow, buttonState):
        # 启用按钮
        all_widgets = mainWindow.centralWidget().findChildren(QWidget)

        # 迭代所有部件，查找按钮并启用它们
        for widget in all_widgets:
            if isinstance(widget, QPushButton):
                if widget.objectName() in buttonState["Current"].keys():
                    widget.setEnabled(buttonState["Current"][widget.objectName()])

    @staticmethod
    def __resetAllButton__(mainWindow, buttonState):
        # 启用按钮
        all_widgets = mainWindow.centralWidget().findChildren(QWidget)

        # 迭代所有部件，查找按钮并启用它们
        for widget in all_widgets:
            if isinstance(widget, QPushButton):
                if widget.objectName() in buttonState["Default"].keys():
                    widget.setEnabled(buttonState["Default"][widget.objectName()])

    @staticmethod
    def add_progressbar(mainWindow):

        mainWindow.progressbar = QProgressBar()
        mainWindow.progressbar.setRange(0, 100)
        mainWindow.progressbar.setValue(0)
        mainWindow.progressbar.setStyleSheet(Constants.PROGRESSBAR_STYLE)
        mainWindow.ui.statusbar.addPermanentWidget(mainWindow.progressbar)

    @staticmethod
    def statusbar_show_msg(mainWindow, msg):

        mainWindow.ui.statusbar.showMessage(msg)

    @staticmethod
    def statusbar_clear_msg(mainWindow):

        mainWindow.ui.statusbar.clearMessage()

    @staticmethod
    def finish_operation(mainWindow, buttonState):

        PublicFunc.statusbar_show_msg(mainWindow, PublicFunc.format_status_msg(Constants.OPERATION_FINISHED))
        mainWindow.progressbar.setValue(100)
        QApplication.processEvents()

        PublicFunc.__enableAllButton__(mainWindow, buttonState)