import os
from webdav4.fsspec import WebdavFileSystem
from PyQt5.QtCore import Qt, pyqtSignal, QThread
from utils.BasicUtils import read_init_file, return_work_dir, return_config_dir


class Sync(QThread):
    sync_signal = pyqtSignal()

    def __init__(self):
        super(Sync, self).__init__()
        self.sync_path = return_work_dir()
        self.config_info = read_init_file()

    def run(self):

        conf_file = self.sync_path + 'PyQtToDoList.conf'
        todo_path = self.sync_path + 'ToDoList/'
        if os.path.exists(conf_file) or os.path.exists(todo_path):
            try:
                client = WebdavFileSystem(base_url=self.config_info[0],
                                          auth=(self.config_info[1], self.config_info[2]))
                ls = client.ls('/', detail=False)
                print(ls)
                work_path_exist = client.exists('PyQtToDoList')
                # 如果WebDav服务器的同步目录没有，就创建同步目录和Todo目录
                if not work_path_exist:
                    client.mkdir('PyQtToDoList')
                    client.mkdir('PyQtToDoList/ToDoList/')
                    print('第一次向服务器备份，创建文件。。。')
                # 如果有同步目录，没有Todo目录，就创建Todo目录
                remote_todo_path = client.exists('PyQtToDoList/ToDoList')
                if not remote_todo_path:
                    client.mkdir('PyQtToDoList/ToDoList/')
                #     检查本地配置文件
                if os.path.exists(conf_file):
                    client.upload(conf_file, 'PyQtToDoList/PyQtToDoList.conf')
                    print('上传配置文件。。。')

                if os.path.exists(todo_path):
                    todo_files = os.listdir(todo_path)
                    for file in todo_files:
                        client.upload(todo_path + file, 'PyQtToDoList/ToDoList/' + file)
                        print('上传Todo:', file)
                self.sync_signal.emit()
                # print(status)

            except Exception as e:
                print('<Sync>', e)

        else:
            try:
                client = WebdavFileSystem(base_url=self.config_info[0],
                                          auth=(self.config_info[1], self.config_info[2]))
                work_path_exist = client.exists('PyQtToDoList/')
                if work_path_exist:
                    if client.exists('PyQtToDoList/PyQtToDoList.conf') and not os.path.exists(conf_file):
                        client.download('PyQtToDoList/PyQtToDoList.conf', conf_file)
                    if client.exists('PyQtToDoList/ToDoList'):
                        if not os.path.exists(todo_path):
                            os.mkdir(todo_path)
                        todo_list = client.ls('PyQtToDoList/ToDoList', detail=False)
                        # print('todo_list:', todo_list)
                        for item in todo_list:
                            print('下载文件：', return_config_dir() + item)
                            client.download(item, return_config_dir() + item)
                self.sync_signal.emit()
            except Exception as e:
                print('<Sync>', e)