from datetime import datetime
from logging import error, info
from pathlib import Path

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

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


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)

            if isinstance(widget, QRadioButton):
                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()])

            if isinstance(widget, QRadioButton):
                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()])

            if isinstance(widget, QRadioButton):
                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)

    @staticmethod
    def progressbar_update(mainWindow, current: int, total: int, msg: str, progressbarState: int):
        if current > total:
            raise ValueError("当前进度值大于总进度值")
        if progressbarState < 0 or progressbarState > 100:
            raise ValueError("进度条值的范围应该在[0, 100]")
        PublicFunc.statusbar_show_msg(mainWindow, PublicFunc.format_status_msg(f"({str(current)}/{str(total)}){msg}"))
        mainWindow.progressbar.setValue(progressbarState)
        QApplication.processEvents()

    @staticmethod
    def examine_file(path_str, filename):
        temp_path = list(
            Path(path_str).glob(f"{filename}*"))
        if len(temp_path) == 0:
            return Result().failure(
                info=Constants.INPUT_FAILURE + "\n" +
                     filename + "：" +
                     path_str +
                     Constants.FAILURE_REASON["File_Not_Exist"])
        elif len(temp_path) > 1:
            return Result().failure(
                info=Constants.INPUT_FAILURE + "\n" +
                     filename + "：" +
                     path_str +
                     Constants.FAILURE_REASON["File_More_Than_One"])
        else:
            path = temp_path[0]
            freq = path.stem.split("_")[-1]
            # 验证是否为整数或是否存在
            if not freq.isdigit():
                return Result().failure(
                    info=Constants.INPUT_FAILURE + "\n" +
                         filename + "：" +
                         Constants.FAILURE_REASON["Data_Frequency_Not_In_Filename"])
            data = {
                "path": str(path),
                "freq": int(freq)
            }
        return Result().success(data=data)

    @staticmethod
    def examine_artifact(artifact):
        # 检查体动标签正确性，长度
        if len(artifact) % 4 != 0:
            return Result().failure(info=Constants.INPUT_FAILURE +
                                         Constants.FAILURE_REASON["Artifact_Format_Not_Correct"])
        for i in range(0, len(artifact), 4):
            unit_data = artifact[i:i + 4]
            if len(unit_data) < 4:
                break