import os
import re
import io
import sys
import clr
import time
import json
import shutil
import sqlite3
import logging
import tempfile
import pywintypes
import hashlib
import win32com.client
import win32print
from PyQt5.QtWidgets import QApplication, QMainWindow, QWidget, QLabel, QComboBox, QCheckBox, QLineEdit, QAction, QMenu, QMessageBox, QPushButton, QVBoxLayout, QHBoxLayout, QFileDialog
from PyQt5.QtCore import Qt, QCoreApplication
from PyQt5.QtGui import QPixmap, QIntValidator
from threading import RLock


sys.path.append(os.path.dirname(__file__))
clr.AddReference('BarTender')
try:
    import BarTender
except Exception:
    pass


def cp(src: str, dst: str):
    """
    Support file or directory.
    """
    return shutil.copytree(src, dst) and True if os.path.isdir(src) else shutil.copy(src, dst) and True


def mv(src: str, dst: str):
    """
    Support file or directory.
    """
    return shutil.move(src, dst) and True


def rm(src: str):
    """
    Support file or directory.
    """
    shutil.rmtree(src) if os.path.isdir(src) else os.remove(src)
    return True


def rename(path: str, filename: str):
    """
    Support file or directory.
    """
    if filename.find('/') != -1:
        raise Exception('File name, catalog name or scroll grammar incorrect grammar.')
    return os.rename(path, os.path.dirname(path) + '/' + filename) or True


def exists(path: str):
    """
    Support file or directory.
    """
    return os.path.exists(path)


def mkdirs(path: str):
    """
    Support multi-level directory.
    """
    return os.makedirs(path)


def _fd(f):
    return f.fileno() if hasattr(f, 'fileno') else f


if os.name == 'nt':
    import msvcrt
    from ctypes import (sizeof, c_ulong, c_void_p, c_int64, Structure, Union, POINTER, windll, byref)
    from ctypes.wintypes import BOOL, DWORD, HANDLE

    LOCK_SH = 0x0
    LOCK_NB = 0x1
    LOCK_EX = 0x2
    LOCK_UN = 0x9

    if sizeof(c_ulong) != sizeof(c_void_p):
        ULONG_PTR = c_int64
    else:
        ULONG_PTR = c_ulong

    PVOID = c_void_p

    class _OFFSET(Structure):
        _fields_ = [
            ('Offset', DWORD),
            ('OffsetHigh', DWORD)
        ]

    class _OFFSET_UNION(Union):
        _fields_ = [
            ('_offset', _OFFSET),
            ('Pointer', PVOID)
        ]
        _anonymous_ = ['_offset']

    class OVERLAPPED(Structure):
        _fields_ = [
            ('Internal', ULONG_PTR),
            ('InternalHigh', ULONG_PTR),
            ('_offset_union', _OFFSET_UNION),
            ('hEvent', HANDLE)
        ]
        _anonymous_ = ['_offset_union']

    LPOVERLAPPED = POINTER(OVERLAPPED)
    LockFileEx = windll.kernel32.LockFileEx
    LockFileEx.restype = BOOL
    LockFileEx.argtypes = [HANDLE, DWORD, DWORD, DWORD, DWORD, LPOVERLAPPED]
    UnlockFileEx = windll.kernel32.UnlockFileEx
    UnlockFileEx.restype = BOOL
    UnlockFileEx.argtypes = [HANDLE, DWORD, DWORD, DWORD, LPOVERLAPPED]


    def flock(f, flags):
        hfile = msvcrt.get_osfhandle(_fd(f))
        overlapped = OVERLAPPED()
        if flags == LOCK_UN:
            ret = UnlockFileEx(
                hfile,
                0,
                0,
                0xFFFF0000,
                byref(overlapped)
            )
        else:
            ret = LockFileEx(
                hfile,
                flags,
                0,
                0,
                0xFFFF0000,
                byref(overlapped)
            )
        return bool(ret)
else:
    try:
        import fcntl
        LOCK_SH = fcntl.LOCK_SH
        LOCK_NB = fcntl.LOCK_NB
        LOCK_EX = fcntl.LOCK_EX
        LOCK_UN = fcntl.LOCK_UN
    except (ImportError, AttributeError):
        LOCK_EX = LOCK_SH = LOCK_NB = 0

        def flock(f, flags):
            return flags == LOCK_UN
    else:
        def flock(f, flags):
            return fcntl.flock(_fd(f), flags) == 0


def getJson(file, data=None):
    if os.path.exists(file):
        try:
            return json.loads(open(file=file, mode='r', encoding='utf-8').read())
        except json.decoder.JSONDecodeError:
            return data
    return data


def putJson(file, data=None):
    with open(file=file, mode='w', encoding='utf-8') as f:
        flock(f, LOCK_EX)
        res = f.write(json.dumps(data, indent=4, ensure_ascii=True))
        flock(f, LOCK_UN)
        return res


class SQLite3:
    __conn__ = None
    __curr__ = None
    __data__ = None

    def __init__(self, *args, **kwargs):
        if args or kwargs:
            self.connect(*args, **kwargs)

    def _check_connection(self):
        if self.__curr__ is None:
            raise Exception('Connection does not exist.')

    @staticmethod
    def _sqlite_dict_factory(cursor, row):
        d = {}
        for idx, col in enumerate(cursor.description):
            d[col[0]] = row[idx]
        return d

    def connect(self, database):
        if self.__conn__:
            raise Exception('Already Connect.')
        self.__conn__ = sqlite3.connect(database, timeout=10, check_same_thread=False)
        self.__conn__.row_factory = self._sqlite_dict_factory
        self.__curr__ = self.__conn__.cursor()
        return self

    def execute(self, *args, **kwargs):
        self._check_connection()
        self.__curr__.execute(*args, **kwargs)
        self.__conn__.commit()
        return self

    def rownums(self):
        self._check_connection()
        return self.__curr__.rowcount

    def fetchall(self):
        self._check_connection()
        return self.__curr__.fetchall()

    def fetchone(self):
        self._check_connection()
        return self.__curr__.fetchone()

    def close(self):
        if self.__curr__ or self.__conn__:
            self.__curr__.close()
            self.__conn__.close()
            self.__curr__ = None
            self.__conn__ = None
        return True


class Ditto:
    def __init__(self, db_file, rlock=None, class_name='Ditto-Default', limit_time=None, limit_rows=None):
        self.rLock = rlock or RLock()
        if limit_time is not None and not limit_time >= 0: raise Exception('Range error.')
        if limit_rows is not None and not limit_rows >= 0: raise Exception('Range error.')
        self.class_name = class_name
        self.limit_rows = limit_rows
        self.limit_time = limit_time
        try:
            self.database = SQLite3(db_file)
            self.init_database()
        except sqlite3.DatabaseError:
            self.database.close() and os.remove(db_file)
            raise Exception('The database was damaged and has been reset.')

    def init_database(self):
        with self.rLock:
            self.database.execute('''
                CREATE TABLE IF NOT EXISTS "ditto" (
                    "id"    INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
                    "class" TEXT(64)  COLLATE NOCASE,
                    "value" TEXT(256) COLLATE NOCASE,
                    "time"  integer(12)
                );
                ''')

    def fresh(self):
        with self.rLock:
            if self.limit_time is not None: self.database.execute('''
            DELETE FROM ditto WHERE class='%s' AND time < %s;
            ''' % (self.class_name, (int(time.time()) - self.limit_time)))
            if self.limit_rows is not None: self.database.execute('''
            DELETE FROM ditto WHERE id IN (SELECT id FROM (SELECT id FROM ditto WHERE class='%s' ORDER BY time DESC LIMIT %s,100));
            ''' % (self.class_name, self.limit_rows))

    def count(self):
        with self.rLock:
            self.fresh()
            self.database.execute('''
            SELECT COUNT(1) AS rows FROM ditto WHERE class='%s';
            ''' % (self.class_name,))
            return self.database.fetchone()['rows']

    def clear(self):
        with self.rLock:
            self.fresh()
            self.database.execute('''
            DELETE FROM ditto WHERE class='%s';
            ''' % (self.class_name,))
            return self.database.rownums()

    def query(self, value):
        with self.rLock:
            self.fresh()
            self.database.execute('''
            SELECT COUNT(1) AS rows FROM ditto WHERE class='%s' AND value='%s';
            ''' % (self.class_name, value))
            return self.database.fetchone()['rows']

    def addit(self, value):
        with self.rLock:
            if self.query(value) != 0: return False
            self.database.execute('''
            INSERT INTO ditto (\"class\", \"value\", \"time\") VALUES ('%s', '%s', '%s');
            ''' % (self.class_name, value, int(time.time())))
            self.fresh()
            return True


class LoggerFileHandler:
    def __init__(self, log_file: str, mode: str = 'a', level: str = None, fmt: str = None):
        self.log, self.mod = log_file, mode
        self.lev, self.fmt = level, fmt
        self.sty = '%'


class LoggerConsHandler:
    def __init__(self, level: str = None, fmt: str = None):
        self.lev, self.fmt = level, fmt
        self.sty = '%'


class Logger:
    logger = None
    levels = {
        'CRITICAL': logging.CRITICAL,
        'FATAL': logging.FATAL,
        'ERROR': logging.ERROR,
        'WARNING': logging.WARNING,
        'WARN': logging.WARN,
        'INFO': logging.INFO,
        'DEBUG': logging.DEBUG,
        'NOTSET': logging.NOTSET,
        'D': logging.DEBUG,
        'I': logging.INFO,
        'W': logging.WARNING,
        'E': logging.ERROR,
        'F': logging.FATAL
    }
    default_format = '{asctime} - {name} - {levelname[0]}: {message}'
    default_format_style = '{'
    handler_list = []

    def __init__(
            self,
            name: str = 'default',
            default_level='DEBUG',
            fh: LoggerFileHandler = None,
            ch: LoggerConsHandler = None,
            add_default_handler=False
    ):
        ch = LoggerConsHandler() if add_default_handler and not ch else ch
        if fh and not isinstance(fh, LoggerFileHandler):
            raise TypeError('The parameter fh must be <LoggerFileHandler> type.')
        if ch and not isinstance(ch, LoggerConsHandler):
            raise TypeError('The parameter ch must be <LoggerConsHandler> type.')

        self.logger = logging.getLogger(name)
        self.logger.setLevel(self.levels[default_level])

        if fh:
            fhandler = logging.FileHandler(filename=fh.log, mode=fh.mod, encoding='utf-8')
            self.handler_list.append(fhandler)
            fhandler.setLevel(self.levels[fh.lev or default_level])
            fh.fmt = fh.fmt or self.default_format
            fh.sty = '{' if '%' not in fh.fmt else '%'
            fhandler.setFormatter(logging.Formatter(fmt=fh.fmt, style=fh.sty))
            self.logger.addHandler(fhandler)
        if ch:
            chandler = logging.StreamHandler()
            self.handler_list.append(chandler)
            chandler.setLevel(self.levels[ch.lev or default_level])
            ch.fmt = ch.fmt or self.default_format
            ch.sty = '{' if '%' not in ch.fmt else '%'
            chandler.setFormatter(logging.Formatter(fmt=ch.fmt, style=ch.sty))
            self.logger.addHandler(chandler)

        self.d = self.logger.debug
        self.i = self.logger.info
        self.w = self.logger.warning
        self.e = self.logger.error
        self.f = self.logger.fatal
        self.c = self.logger.critical


class Setting(dict):
    def __init__(self, setting_file: str, setting_default: dict):
        self.data_file = os.path.abspath(setting_file)
        super().__init__(getJson(self.data_file, setting_default))

    def __getitem__(self, item):
        if item in self:
            return super().__getitem__(item)
        else:
            return None

    def __setitem__(self, key, value):
        super().__setitem__(key, value)
        putJson(self.data_file, self)


class BarTenderPrint:
    def __init__(self, logger: Logger):
        self.logger = logger
        self.label = None
        self.print = None
        self.sheet = None
        self.bt_app = BarTender.Application()
        self.bt_app.Visible = False
        self.bt_format = None
        self.printer_list = [printer[2] for printer in win32print.EnumPrinters(win32print.PRINTER_ENUM_LOCAL)][::-1]
        self.printer_current_index = 0
        self.template_source_primary = {}
        self.logger.i('%s%s' % ('Init', ''))

    def set_label(self, data: str):
        self.label = os.path.abspath(data)
        self.logger.i('%s%s' % ('Open the label template ', self.label))
        for _ in range(2):
            if (self.bt_format is not None) == 1:
                self.bt_format.Close(BarTender.BtSaveOptions.btDoNotSaveChanges)
            self.bt_format = self.bt_app.Formats.Open(self.label, False, '')
        self.template_source_primary = {}
        self.set_print(self.printer_current_index or 0)
        self.set_sheet(self.sheet or 1)

    def set_print(self, data: int):
        self.printer_current_index = data
        self.print = self.printer_list[self.printer_current_index]
        self.logger.i('%s%s' % ('Printer set to ', self.print))
        if (self.bt_format is not None) == 1:
            self.bt_format.PrintSetup.Printer = self.print

    def set_sheet(self, data: int):
        self.sheet = int(data)
        self.logger.i('%s%s' % ('Number of copies ', self.sheet))
        if (self.bt_format is not None) == 1:
            self.bt_format.PrintSetup.IdenticalCopiesOfLabel = self.sheet

    def set_data_source(self, name, value):
        if name not in self.template_source_primary.keys():
            self.template_source_primary[name] = self.bt_format.GetNamedSubStringValue(name)
        self.logger.i('%s%s' % ('Set data source ', '%s=%s' % (name, value)))
        self.bt_format.SetNamedSubStringValue(name, value)

    def start_printing(self, content: str):
        for k, v in {'A': content}.items():
            self.set_data_source(k, v)
        if (self.bt_format is not None) == 1:
            self.logger.i('%s%s' % ('Printing ', 'normal'))
            self.bt_format.PrintOut(False, False)

    def start_printing_template(self):
        for k, v in self.template_source_primary.items():
            self.set_data_source(k, v)
        if (self.bt_format is not None) == 1:
            self.logger.i('%s%s' % ('Printing ', 'template'))
            self.bt_format.PrintOut(False, False)

    def generate_preview(self):
        path = os.path.abspath(os.path.join(tempfile.gettempdir(), '%s%s.png' % ('preview_', int(round(time.time() * 1000)))))
        if (self.bt_format is not None) == 1:
            self.logger.i('%s%s' % ('Generate preview to ', path))
            self.bt_format.ExportToFile(path, 'PNG', BarTender.BtColors.btColors24Bit, BarTender.BtResolution.btResolutionPrinter, BarTender.BtSaveOptions.btDoNotSaveChanges)
            return path

    def quit(self):
        try:
            self.bt_format is not None and self.bt_format.Close(BarTender.BtSaveOptions.btDoNotSaveChanges)
            self.bt_app is not None and self.bt_app.Quit(BarTender.BtSaveOptions.btDoNotSaveChanges)
        except Exception:
            pass
        self.bt_format = None
        self.bt_app = None
        self.logger.i('%s%s' % ('Quit', ''))


class ScanVerify:
    def __init__(self, logger, rule_file):
        self.logger = logger
        self.checker_list = [['无', '.*']]
        self.checker_list.extend(getJson(os.path.abspath(rule_file), []))
        self.checker_current_index = 0

    def set_check(self, data: int):
        self.checker_current_index = data
        self.logger.i('%s%s' % ('Checker set to ', self.checker_list[self.checker_current_index][0]))

    def verify(self, content: str):
        return bool(re.match(self.checker_list[self.checker_current_index][1], content))


class CustomLineEdit(QLineEdit):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.setStyleSheet('font-size: 12px; font-family: \'Microsoft YaHei\'; color: #000000;')

    def contextMenuEvent(self, event):
        menu = QMenu(self)
        action_c = menu.addAction('复制')
        action_p = menu.addAction('粘贴')
        action_c.triggered.connect(self.copy)
        action_p.triggered.connect(self.paste)
        menu.popup(self.mapToGlobal(event.pos()))


class CustomLineEditNoPopup(QLineEdit):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.setStyleSheet('font-size: 12px; font-family: \'Microsoft YaHei\'; color: #656565;')

    def contextMenuEvent(self, event):
        pass


class CustomPushButton(QPushButton):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.setStyleSheet('font-size: 12px; font-family: \'Microsoft YaHei\'; color: #0C0C0C;')


class CustomLabel(QLabel):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.setStyleSheet('font-size: 12px; font-family: \'Microsoft YaHei\'; color: #0C0C0C; border: 1px solid #0C0C0C;')


class CustomComboBox(QComboBox):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.setStyleSheet('font-size: 12px; font-family: \'Microsoft YaHei\'; color: #0C0C0C;')


class CustomCheckBox(QCheckBox):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.setStyleSheet('font-size: 12px; font-family: \'Microsoft YaHei\'; color: #0C0C0C;')


class CustomHBoxLayout(QHBoxLayout):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.setAlignment(Qt.AlignTop | Qt.AlignLeft)


class CustomVBoxLayout(QVBoxLayout):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.setAlignment(Qt.AlignTop | Qt.AlignLeft)


class MainWindow(QMainWindow):
    def __init__(self, logger: Logger):
        super().__init__()
        self.app_name = '标签打印'
        self.app_version = ('1.0.1', '20240401', 'zhaoyafan', 'zhaoyafan@foxmail.com', 'https://www.fanscloud.net/')
        self.logger = logger
        self.setting = Setting(os.path.abspath(os.path.join(os.path.dirname(__file__), 'settings.json')), {})
        self.bt = BarTenderPrint(logger=self.logger)
        self.sv = ScanVerify(logger=self.logger, rule_file=os.path.abspath(os.path.join(os.path.dirname(__file__), 'rules.json')))
        self.ditto = Ditto(db_file='%s.db' % (os.path.splitext(__file__)[0],), class_name='LabelPrint', limit_time=7776000, limit_rows=100000)
        self.last_opened_template = ['', '']
        self.input_convert_letter = 0
        self.setWindowTitle(self.app_name)
        self.setGeometry(0, 0, 600, 400)
        self.statusBar()
        self.menubar = self.menuBar()
        filemenu = self.menubar.addMenu('文件')
        self.blockRepeatAction = QAction('禁止重复打印', self, checkable=True)
        self.clearRecordAction = QAction('清空打印记录', self)
        filemenu.addActions(
            [
                self.blockRepeatAction,
                self.clearRecordAction
            ]
        )
        moremenu = self.menubar.addMenu('更多')
        self.designStateAction = QAction('编辑模式', self, checkable=True)
        self.createShortAction = QAction('发送快捷方式到桌面', self)
        self.aboutWindowAction = QAction('关于', self)
        self.blockRepeatAction.triggered.connect(self.blockRepeatActionFunction)
        self.clearRecordAction.triggered.connect(self.clearRecordActionFunction)
        self.designStateAction.triggered.connect(self.designStateActionFunction)
        self.createShortAction.triggered.connect(self.createShortActionFunction)
        self.aboutWindowAction.triggered.connect(self.aboutWindowActionFunction)
        moremenu.addActions(
            [
                self.designStateAction,
                self.createShortAction,
                self.aboutWindowAction
            ]
        )
        # 定义布局
        m_layout_0 = CustomVBoxLayout()
        l_layout_0 = CustomVBoxLayout()
        l_layout_1 = CustomHBoxLayout()
        l_layout_2 = CustomVBoxLayout()
        r_layout_0 = CustomVBoxLayout()
        r_layout_1 = CustomHBoxLayout()
        r_layout_2 = CustomHBoxLayout()
        r_layout_3 = CustomVBoxLayout()
        l_layout_0.addLayout(l_layout_1)
        l_layout_0.addLayout(l_layout_2)
        r_layout_0.addLayout(r_layout_1)
        r_layout_0.addLayout(r_layout_2)
        r_layout_0.addLayout(r_layout_3)
        m_layout_0.addLayout(l_layout_0)
        m_layout_0.addLayout(r_layout_0)

        # Select file
        self.butSTP = CustomPushButton('选择文件')
        self.butSTP.setFixedSize(82, 27)
        self.butSTP.clicked.connect(self.on_open_template_file)
        l_layout_1.addWidget(self.butSTP)
        # Template name
        self.edtNTP = CustomLineEditNoPopup('')
        self.edtNTP.setReadOnly(True)
        self.edtNTP.setFixedSize(280, 27)
        l_layout_1.addWidget(self.edtNTP)
        # Test printing
        self.butTPT = CustomPushButton('测试打印')
        self.butTPT.setFixedSize(82, 27)
        self.butTPT.clicked.connect(self.on_test_print)
        l_layout_1.addWidget(self.butTPT)
        # Print preview
        self.labPRV = CustomLabel()
        self.labPRV.setAlignment(Qt.AlignCenter)
        self.labPRV.setFixedSize(455, 256)
        l_layout_2.addWidget(self.labPRV)
        # Printer
        self.labNPT = CustomLabel('打印机选择')
        self.labNPT.setFixedSize(82, 27)
        r_layout_1.addWidget(self.labNPT)
        # Select printer
        self.slcSPT = CustomComboBox()
        self.slcSPT.addItems(self.bt.printer_list)
        self.slcSPT.setFixedSize(233, 27)
        self.slcSPT.currentIndexChanged.connect(self.on_printer_changed)
        r_layout_1.addWidget(self.slcSPT)
        # Number of copies
        self.labPQT = CustomLabel('打印份数')
        self.labPQT.setFixedSize(82, 27)
        r_layout_1.addWidget(self.labPQT)
        self.edtNQT = CustomLineEditNoPopup('1')
        self.edtNQT.setFixedSize(40, 27)
        self.edtNQT.textChanged.connect(self.on_copies_editing_changed)
        validator = QIntValidator(1, 999)
        self.edtNQT.setValidator(validator)
        r_layout_1.addWidget(self.edtNQT)
        # Input verification
        self.labNVR = CustomLabel('扫描验证')
        self.labNVR.setFixedSize(82, 27)
        r_layout_2.addWidget(self.labNVR)
        # Select input verification
        self.slcSVR = CustomComboBox()
        self.slcSVR.addItems([data[0] for data in self.sv.checker_list])
        self.slcSVR.setFixedSize(233, 27)
        self.slcSVR.currentIndexChanged.connect(self.on_checker_changed)
        r_layout_2.addWidget(self.slcSVR)
        # Convert letter
        self.chkCVL = CustomCheckBox('强制转换大写')
        self.chkCVL.setFixedSize(128, 27)
        self.chkCVL.stateChanged.connect(self.on_convert_letter_changed)
        r_layout_2.addWidget(self.chkCVL)
        # Scan
        self.edtSCN = CustomLineEdit('')
        self.edtSCN.setStyleSheet('QLineEdit {font-size: 28px; font-family: \'Microsoft YaHei\'; color: #000000; background-color: #FFFFCC;}')
        self.edtSCN.setFixedSize(455, 45)
        r_layout_3.addWidget(self.edtSCN)
        # Print button
        self.butSPT = CustomPushButton('打印')
        self.butSPT.setFixedSize(455, 45)
        self.butSPT.clicked.connect(self.on_start_printing)
        self.edtSCN.returnPressed.connect(self.butSPT.click)
        r_layout_3.addWidget(self.butSPT)

        # 显示界面
        central_widget = QWidget()
        central_widget.setLayout(m_layout_0)
        self.setCentralWidget(central_widget)
        self.setFixedSize(self.minimumSizeHint())
        screen_rect = QApplication.desktop().availableGeometry()
        window_rect = self.geometry()
        self.move(int((screen_rect.width() - window_rect.width()) * 0.5), int((screen_rect.height() - window_rect.height()) * 0.5))
        self.edtSCN.setFocus()
        self.show()
        self.load_setting()

    def closeEvent(self, event):
        self.bt.quit()
        event.accept()

    def load_setting(self):
        # load blockRepeat
        self.blockRepeatAction.setChecked(bool(self.setting['blockRepeat']))
        # load printer
        self.slcSPT.setCurrentIndex(next((index for index, item in enumerate(self.bt.printer_list) if item == self.setting['printer']), 0))
        # load checker
        self.slcSVR.setCurrentIndex(self.setting['checker'] or 0)
        # load printCopies
        self.edtNQT.setText(str(self.setting['printCopies'] or 1))
        # load template
        tempfile_last = self.setting['template']
        if (tempfile_last and os.path.exists(tempfile_last)) == 1:
            self.load_template(tempfile_last)
        else:
            self.setting['template'] = ''

    def blockRepeatActionFunction(self, checked):
        self.setting['blockRepeat'] = bool(checked)

    def clearRecordActionFunction(self):
        count = self.ditto.clear()
        if (count > 0) == 1:
            QMessageBox.information(self, '提示', '打印记录已经清空：%s' % (count,))

    def designStateActionFunction(self, checked):
        if (not self.bt.bt_app) == 1:
            return None
        if (checked is True) == 1:
            t1 = '1.在编辑模式中您可以动态对模板进行修改；'
            t2 = '2.保存模板将会覆盖原文件永久生效；'
            t3 = '3.修改完成后手动关闭编辑模式；'
            QMessageBox.information(self, '提示', '%s\n%s\n%s' % (t1, t2, t3))
            self.bt.bt_app.Visible = bool(1)
        else:
            self.bt.bt_app.Visible = bool(0)
            filename = self.last_opened_template[0]
            if (filename == '' or not os.path.exists(filename)) == 1:
                return None
            last_md5 = self.last_opened_template[1]
            temp_md5 = self.md5(open(self.last_opened_template[0], 'rb'))
            QMessageBox.information(self, '提示', '模板文件已被修改：\n\n%s' % filename) if (last_md5 != temp_md5) == 1 else None
            self.last_opened_template[1] = temp_md5

    def createShortActionFunction(self):
        target = '%s.exe' % (os.path.splitext(__file__)[0],)
        shortcut_path = self.path_expandvars('%%USERPROFILE%%\\Desktop\\%s.lnk' % (self.app_name,))
        if (os.path.exists(target)) == 1:
            self.create_shortcut(target, shortcut_path, 1)
            QMessageBox.information(self, '提示', '%s' % ('已成功发送快捷方式到桌面',))

    def aboutWindowActionFunction(self):
        _c = self.app_version
        if (not _c) == 0:
            QMessageBox.information(self, '关于', "" 'version: %s, build: %s, author: %s, email: %s, site: %s' % (_c[0], _c[1], _c[2], _c[3], '<a href=\'%s\'>%s</a>' % (_c[4], _c[4])))

    @staticmethod
    def md5(input_data):
        if isinstance(input_data, bytes):
            return hashlib.md5(input_data).hexdigest()
        if isinstance(input_data, str):
            return hashlib.md5(bytes(input_data, encoding='utf-8')).hexdigest()
        md5_object = hashlib.md5()
        while True:
            data = input_data.read(io.DEFAULT_BUFFER_SIZE)
            if data:
                md5_object.update(data)
            else:
                return md5_object.hexdigest()

    @staticmethod
    def path_expandvars(path):
        resolve = os.path.expandvars(path)
        if (re.search('%[A-Za-z0-9_]+%', resolve)) is not None:
            raise Exception('Variable analysis failed')
        return resolve

    @staticmethod
    def create_shortcut(target, shortcut_path, run_as_admin):
        shell = win32com.client.Dispatch('WScript.Shell')
        try:
            os.remove(shortcut_path)
        except FileNotFoundError:
            pass
        shortcut = shell.CreateShortCut(shortcut_path)
        shortcut.TargetPath = target
        if shortcut_path.endswith('.lnk'):
            shortcut.Arguments = ''
            shortcut.WorkingDirectory = os.path.dirname(target)
        if target.startswith('\\\\'):
            shortcut.WorkingDirectory = ''
        shortcut.save()
        if shortcut_path.endswith('.lnk') and run_as_admin:
            with open(shortcut_path, 'r+b') as f:
                if os.path.isfile(shortcut_path):
                    f.seek(21, 0)
                    f.write(b'\x22\x00')

    def set_preview(self, preview_image: str):
        if (preview_image and os.path.exists(preview_image)) == 1:
            pixmap = QPixmap(preview_image)
            pixmap = pixmap.scaled(self.labPRV.size(), aspectRatioMode=Qt.KeepAspectRatio, transformMode=Qt.SmoothTransformation)
            self.labPRV.setPixmap(pixmap)
            if (tempfile.gettempdir() in preview_image) == 1:
                rm(preview_image)

    def set_template_name(self, name):
        if (isinstance(name, str)) == 1:
            self.edtNTP.setText(name)

    def load_template(self, file):
        try:
            if (file != '' and os.path.exists(file)) == 1:
                self.bt.set_label(file)
                self.set_template_name(os.path.splitext(os.path.basename(file))[0])
                self.set_preview(self.bt.generate_preview())
                self.last_opened_template[0] = file
                self.last_opened_template[1] = self.md5(open(file, 'rb'))
        except pywintypes.com_error as e:
            t = str(e.args[1])
            m = str(e.args[2][2] if isinstance(e.args[2], tuple) else e.args[2])
            if (len(t) > 5) == 1:
                m = '%s\n\n%s' % (t, m)
                t = '错误'
            QMessageBox.critical(self, t, m)
        except AttributeError:
            QMessageBox.critical(self, '错误', '调用服务失败')
        except Exception as e:
            QMessageBox.critical(self, '错误', '%s' % e)

    def on_open_template_file(self):
        filename, _ = QFileDialog.getOpenFileName(self, '打开文件', os.path.dirname(self.last_opened_template[0]), 'BarTender 文档 (*.btw)')
        if (filename and os.path.exists(filename)) == 1:
            self.load_template(filename)
            self.setting['template'] = filename

    def on_test_print(self):
        try:
            if (self.bt.bt_format is not None) == 1:
                self.bt.start_printing_template()
                self.set_preview(self.bt.generate_preview())
                return None
            QMessageBox.critical(self, '错误', '请先加载模板文件')
        except pywintypes.com_error as e:
            t = str(e.args[1])
            m = str(e.args[2][2] if isinstance(e.args[2], tuple) else e.args[2])
            if (len(t) > 5) == 1:
                m = '%s\n\n%s' % (t, m)
                t = '错误'
            QMessageBox.critical(self, t, m)
        except AttributeError:
            QMessageBox.critical(self, '错误', '调用服务失败')
        except Exception as e:
            QMessageBox.critical(self, '错误', '%s' % e)

    def on_printer_changed(self, index):
        try:
            self.bt.set_print(index)
            self.set_preview(self.bt.generate_preview())
            self.setting['printer'] = str(self.bt.print)
        except pywintypes.com_error as e:
            t = str(e.args[1])
            m = str(e.args[2][2] if isinstance(e.args[2], tuple) else e.args[2])
            if (len(t) > 5) == 1:
                m = '%s\n\n%s' % (t, m)
                t = '错误'
            QMessageBox.critical(self, t, m)
        except AttributeError:
            QMessageBox.critical(self, '错误', '调用服务失败')
        except Exception as e:
            QMessageBox.critical(self, '错误', '%s' % e)

    def on_checker_changed(self, index):
        try:
            self.sv.set_check(index)
            self.setting['checker'] = index
        except pywintypes.com_error as e:
            t = str(e.args[1])
            m = str(e.args[2][2] if isinstance(e.args[2], tuple) else e.args[2])
            if (len(t) > 5) == 1:
                m = '%s\n\n%s' % (t, m)
                t = '错误'
            QMessageBox.critical(self, t, m)
        except AttributeError:
            QMessageBox.critical(self, '错误', '调用服务失败')
        except Exception as e:
            QMessageBox.critical(self, '错误', '%s' % e)

    def on_copies_editing_changed(self, text):
        try:
            if (text == '' or int(text) == 0) == 1:
                text = '1'
                self.edtNQT.setText(text)
            else:
                copies = int(text)
                self.bt.set_sheet(copies)
                self.setting['printCopies'] = copies
        except pywintypes.com_error as e:
            t = str(e.args[1])
            m = str(e.args[2][2] if isinstance(e.args[2], tuple) else e.args[2])
            if (len(t) > 5) == 1:
                m = '%s\n\n%s' % (t, m)
                t = '错误'
            QMessageBox.critical(self, t, m)
        except AttributeError:
            QMessageBox.critical(self, '错误', '调用服务失败')
        except Exception as e:
            QMessageBox.critical(self, '错误', '%s' % e)

    def on_convert_letter_changed(self, checked):
        if (checked == 2) == 1:
            self.input_convert_letter = 1
        else:
            self.input_convert_letter = 0

    def on_start_printing(self):
        edit = self.edtSCN
        if (self.input_convert_letter == 1) == 1:
            text = edit.text().strip().upper()
        else:
            text = edit.text().strip()
        edit.setText(text)
        if (self.bt.bt_format is None) == 1:
            edit.selectAll()
            return None
        if (text == '') == 1:
            edit.selectAll()
            return None
        if (not self.sv.verify(text)) == 1:
            QMessageBox.critical(self, '错误', '打印的内容不符合验证规则：\n\n%s' % (text,))
            edit.selectAll()
            return None
        if (not self.ditto.addit(text) and self.setting['blockRepeat']) == 1:
            QMessageBox.critical(self, '错误', '重复打印：\n\n%s' % (text,))
            edit.selectAll()
            return None
        try:
            self.bt.start_printing(text)
            self.set_preview(self.bt.generate_preview())
            edit.clear()
        except pywintypes.com_error as e:
            t = str(e.args[1])
            m = str(e.args[2][2] if isinstance(e.args[2], tuple) else e.args[2])
            if (len(t) > 5) == 1:
                m = '%s\n\n%s' % (t, m)
                t = '错误'
            QMessageBox.critical(self, t, m)
        except AttributeError:
            QMessageBox.critical(self, '错误', '调用服务失败')
        except Exception as e:
            QMessageBox.critical(self, '错误', '%s' % e)


if __name__ == '__main__':
    if (os.path.basename(__file__).lower().endswith('.int')) == 1:
        QCoreApplication.addLibraryPath(os.path.abspath(os.path.join(os.path.dirname(__file__), 'site-packages/PyQt5/Qt5/plugins')))
    f_lock = open(file='%s.lock' % (os.path.splitext(__file__)[0],), mode='w', encoding='utf-8')
    if (not flock(f_lock, LOCK_EX | LOCK_NB)) == 1:
        app = QApplication(sys.argv)
        msg = QMessageBox()
        msg.setIcon(QMessageBox.Warning)
        msg.setText('程序已经在运行中')
        msg.setWindowTitle('提示')
        msg.setStandardButtons(QMessageBox.Ok)
        msg.exec_()
        app.exit(1)
        sys.exit(1)
    try:
        win32com.client.Dispatch('BarTender.Application')
    except pywintypes.com_error:
        app = QApplication(sys.argv)
        msg = QMessageBox()
        msg.setIcon(QMessageBox.Critical)
        msg.setText('初始化失败，请检查BarTender是否已安装。')
        msg.setWindowTitle('错误')
        msg.setStandardButtons(QMessageBox.Ok)
        msg.exec_()
        app.exit(1)
        sys.exit(1)
    app = QApplication(sys.argv)
    window_main = MainWindow(logger=Logger(name='main', fh=LoggerFileHandler(log_file='%s.log' % (os.path.splitext(__file__)[0],), mode='w'), ch=LoggerConsHandler()))
    sys.exit(app.exec_())