import base64
import hashlib
import json
import os.path
import re

import requests

from Crypto.Cipher import AES

from tools.config import SERVER_POINT
from tools.oss_client import oss_handle
from tools.logger_handle import logger


class ServerClient:
    def __init__(self, server_host, user_name, password):
        self.user_name = user_name
        self.password = password
        self.serve_host = server_host
        self.access_token = None
        self.headers = {
            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36',
        }
        self.login()

    def login(self):
        url = self.serve_host + '/auth/oauth2/token'
        reply = requests.post(url, params={
            'username': self.user_name,
            'password': self.encryption(self.password),
            'grant_type': 'password',
            'scope': 'server',
            'client_id': 'knowledge',
            'client_secret': 'knowledge'
        }, headers={'Content-Type': 'multipart/form-data',
                    'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36'})

        self.access_token = reply.json()['access_token']
        self.headers['Authorization'] = f'Bearer {self.access_token}'

    def decryption(self, hex_str, secret='anZz000000000000'):
        key_bytes = secret.encode('utf-8')
        iv = key_bytes
        base64_str = base64.b64encode(bytes.fromhex(hex_str)).decode('utf-8')
        cipher = AES.new(key_bytes, AES.MODE_CBC, iv)
        decrypted = cipher.decrypt(base64.b64decode(base64_str))
        try:
            decoded = decrypted.decode('utf-8')
        except UnicodeDecodeError:
            decoded = decrypted.decode('utf-8', errors='ignore')
        # 清除控制字符（类似 JS 中的 [\u0000-\u001F\u007F-\u009F]）
        cleaned = re.sub(r'[\x00-\x1F\x7F-\x9F]', ' ', decoded)
        try:
            return json.loads(cleaned)
        except json.JSONDecodeError:
            return cleaned.strip()

    def zero_pad(self, data, block_size=16):
        pad_len = block_size - (len(data) % block_size)
        if pad_len == 0:
            return data
        return data + b'\x00' * pad_len

    def encryption(self, payload, secret='a25vd2xlZGdl0000'.encode('utf-8')):
        data_bytes = payload.encode('utf-8')
        padded_data = self.zero_pad(data_bytes)
        cipher = AES.new(secret, AES.MODE_CBC, secret)
        encrypted = cipher.encrypt(padded_data)
        return encrypted.hex()

    def check_resp(self, resp):
        if resp.json()['code'] == -2:
            self.login()
            return True
        return False

    def download_file(self, file_info, storage_path):

        try:
            resp = requests.get(f'{self.serve_host}/mgr/document/dcLibrary/file/get/file/{file_info["id"]}',
                                headers=self.headers)
            local_file_name = file_info['filePath'].replace('/', '_')
            with open(os.path.join(storage_path, local_file_name), 'wb') as f:
                f.write(resp.content)

            with open(os.path.join(storage_path, local_file_name + '.metadata'), 'w', encoding='utf-8') as f:
                f.write(json.dumps({
                    'serve': oss_handle.service,
                    'access_key': oss_handle.access_key,
                    'secret_key': oss_handle.secret_key,
                    'file_id': file_info["id"],
                    'bucket_name': file_info['bucketName'],
                    'md5': self.get_file_md5(os.path.join(storage_path, local_file_name)),
                    'file_name': file_info['name'],
                    'oss_path': file_info['filePath'],
                    'update_time': file_info['updateTime']
                }))
        except Exception as e:
            logger.exception(e)
            return False
        return True

    def upload_file(self, file_path):
        try:
            with open(f'{file_path}.metadata', 'r', encoding='utf-8') as f:
                file_metadata = json.loads(f.read())
            file_id = file_metadata['file_id']

            files = [('file', (file_metadata['file_name'], open(file_path, 'rb'),
                               'application/vnd.openxmlformats-officedocument.wordprocessingml.document'))]
            resp = requests.post(
                f'{self.serve_host}/mgr/document/dcLibrary/saveByPython/{file_id}',
                headers=self.headers,
                files=files,
                data={}
            )
            if self.check_resp(resp):
                resp = requests.post(
                    f'{self.serve_host}/mgr/document/dcLibrary/saveByPython/{file_id}',
                    headers=self.headers,
                    files=files,
                    data={})
            if resp.json()['code'] == 0:
                return True
            else:
                logger.error(resp.json())
                return False
        except Exception as e:
            logger.exception(e)
            return False

    @staticmethod
    def get_file_md5(file_path):
        md5 = hashlib.md5()
        with open(file_path, 'rb') as f:
            # 分块读取以支持大文件
            while chunk := f.read(8192):
                md5.update(chunk)
        return md5.hexdigest()

    @staticmethod
    def load_metadata(local_path):
        with open(f'{local_path}.metadata', 'r', encoding='utf-8') as f:
            file_metadata = json.loads(f.read())
            return file_metadata

    def get_file_info(self, file_id):
        '''
        {'createTime': '2025-06-03 15:57:37',
        'updateTime': '2025-06-16 11:17:52',
        'createById': '1',
        'createBy': '超级管理员',
        'updateBy': '超级管理员',
        'id': 'c5a8f3d5811e572265501eeaf6d8b1cf',
        'filePath': 'ten_1/lujie/document-mgr/SYG测试文库/test2.docx/2025/06/16/2025-06-161119224319835017216-c9b17214ea4144cf922f2fbfc0cdf70d.office_doc.docx',
        'bucketName': 'document-mgr',
        'name': 'test2.docx',
         'shareRole': 'user',
         'size': 26424,
         'parentId': '6b79a0c8359b89653b95a14ad08b4954',
          'type': 'office_doc',
          'orderId': 12, 'delFlag': False,
          'pathId': ['6b79a0c8359b89653b95a14ad08b4954'],
          'knowledgeId': '6b79a0c8359b89653b95a14ad08b4954',
          'tenantId': '1', 'commentable': True, '
          readNotify': True, 'nameSuffix': 'docx',
          'fileStatus': 'NORMAL'}

        :param file_id:
        :return:
        '''
        try:
            resp = requests.get(f'{self.serve_host}/mgr/document/no/auth/dcLibrary/info/{file_id}',
                                headers=self.headers)
            if not self.check_resp(resp):
                resp = requests.get(f'{self.serve_host}/mgr/document/no/auth/dcLibrary/info/{file_id}',
                                    headers=self.headers)
            if not resp.json()['data']:
                return 2
            return self.decryption(resp.json()['data'])
        except Exception as e:
            logger.exception(e)
            return False


if __name__ == '__main__':
    client = ServerClient('http://172.10.3.71:10001','admin', '123456')
    # client = ServerClient('admin', 'jxkj123456')
    # client.download_file(
    #     {'file_name': 'test.docx', 'file_id': 'c5a8f3d5811e572265501eeaf6d8b1cf', 'bucket_name': 'aaa', }, '')
    res = client.get_file_info(r'585ec718900fa82ce3d35d515c9d8a4b')
    res = client.decryption(
        "")

    for row in res['data']:
        print(row)
    a = {'createTime': '2025-06-13 11:48:35', 'updateTime': '2025-06-13 14:01:48', 'createById': '1',
         'createBy': '超级管理员', 'updateBy': '超级管理员', 'id': 'c04b39ebfa8141746c20b88c7417f972',
         'filePath': 'ten_1/2_2/document-mgr/法律法规/新建文件.docx/2025/06/13/2025-06-131118178409944354816-e251bced912f4d68bc50d80a33cbbd5d.office_doc.docx',
         'bucketName': 'document-mgr', 'name': '新建文件.docx', 'shareRole': 'user', 'size': 29527,
         'parentId': 'a3d958a6bba28357757ca20c87af9954', 'type': 'office_doc', 'orderId': 24, 'delFlag': False,
         'pathId': ['a3d958a6bba28357757ca20c87af9954'], 'knowledgeId': 'a3d958a6bba28357757ca20c87af9954',
         'tenantId': '1', 'commentable': True, 'readNotify': True, 'nameSuffix': 'docx', 'fileStatus': 'NORMAL',
         'dcIdentifying': [
             {'id': '1', 'identifyingName': '文档分享', 'name': '文档分享', 'identifyingKey': 'document_share',
              'identifyingType': 'document', 'isSelect': False, 'possessorIs': False},
             {'id': '11', 'identifyingName': '文库删除', 'name': '文库删除', 'identifyingKey': 'library_delete',
              'identifyingType': 'library', 'isSelect': False, 'possessorIs': False},
             {'id': '12', 'identifyingName': '文库编辑', 'name': '文库编辑', 'identifyingKey': 'library_update',
              'identifyingType': 'library', 'isSelect': False, 'possessorIs': False},
             {'id': '13', 'identifyingName': '文库下载', 'name': '文库下载', 'identifyingKey': 'library_down',
              'identifyingType': 'library', 'isSelect': False, 'possessorIs': False},
             {'id': '5', 'identifyingName': '文档删除', 'name': '文档删除', 'identifyingKey': 'document_delete',
              'identifyingType': 'document', 'isSelect': False, 'possessorIs': False},
             {'id': '6', 'identifyingName': '新建文档', 'name': '新建文档', 'identifyingKey': 'document_add',
              'identifyingType': 'document', 'isSelect': False, 'possessorIs': False},
             {'id': '7', 'identifyingName': '文档下载', 'name': '文档下载', 'identifyingKey': 'document_down',
              'identifyingType': 'document', 'isSelect': True, 'possessorIs': False},
             {'id': '8', 'identifyingName': '文档编辑', 'name': '文档编辑', 'identifyingKey': 'document_update',
              'identifyingType': 'document', 'isSelect': False, 'possessorIs': False},
             {'id': '9', 'identifyingName': '文档移动', 'name': '文档移动', 'identifyingKey': 'document_move',
              'identifyingType': 'document', 'isSelect': False, 'possessorIs': False},
             {'id': '14', 'identifyingName': '文档消息设置', 'name': '文档消息设置',
              'identifyingKey': 'document_remind_settings', 'identifyingType': 'document', 'isSelect': False,
              'possessorIs': False}, {'id': '15', 'identifyingName': '文库权限设置', 'name': '文库权限设置',
                                      'identifyingKey': 'library_auth_settings', 'identifyingType': 'document',
                                      'isSelect': False, 'possessorIs': False},
             {'id': '3', 'identifyingName': '文库消息设置', 'name': '文库消息设置',
              'identifyingKey': 'library_remind_settings', 'identifyingType': 'library', 'isSelect': False,
              'possessorIs': False}, {'id': '4', 'identifyingName': '文档权限设置', 'name': '文档权限设置',
                                      'identifyingKey': 'document_auth_settings', 'identifyingType': 'document',
                                      'isSelect': False, 'possessorIs': False},
             {'id': '1', 'identifyingName': '文档分享', 'name': '', 'identifyingKey': 'document_share',
              'identifyingType': 'document', 'isSelect': True, 'possessorIs': False, 'select': True},
             {'id': '10', 'identifyingName': '查看', 'name': '', 'identifyingKey': 'view',
              'identifyingType': 'document', 'isSelect': True, 'possessorIs': False, 'select': True},
             {'id': '11', 'identifyingName': '文库删除', 'name': '', 'identifyingKey': 'library_delete',
              'identifyingType': 'library', 'isSelect': True, 'possessorIs': False, 'select': True},
             {'id': '12', 'identifyingName': '文库编辑', 'name': '', 'identifyingKey': 'library_update',
              'identifyingType': 'library', 'isSelect': True, 'possessorIs': False, 'select': True},
             {'id': '13', 'identifyingName': '文库下载', 'name': '', 'identifyingKey': 'library_down',
              'identifyingType': 'library', 'isSelect': True, 'possessorIs': False, 'select': True},
             {'id': '14', 'identifyingName': '文档消息设置', 'name': '', 'identifyingKey': 'document_remind_settings',
              'identifyingType': 'document', 'isSelect': True, 'possessorIs': False, 'select': True},
             {'id': '15', 'identifyingName': '文库权限设置', 'name': '', 'identifyingKey': 'library_auth_settings',
              'identifyingType': 'document', 'isSelect': True, 'possessorIs': False, 'select': True},
             {'id': '2', 'identifyingName': '文库转移项目', 'name': '', 'identifyingKey': 'library_transfer',
              'identifyingType': 'library', 'isSelect': True, 'possessorIs': True, 'select': True},
             {'id': '3', 'identifyingName': '文库消息设置', 'name': '', 'identifyingKey': 'library_remind_settings',
              'identifyingType': 'library', 'isSelect': True, 'possessorIs': False, 'select': True},
             {'id': '4', 'identifyingName': '文档权限设置', 'name': '', 'identifyingKey': 'document_auth_settings',
              'identifyingType': 'document', 'isSelect': True, 'possessorIs': False, 'select': True},
             {'id': '5', 'identifyingName': '文档删除', 'name': '', 'identifyingKey': 'document_delete',
              'identifyingType': 'document', 'isSelect': True, 'possessorIs': False, 'select': True},
             {'id': '6', 'identifyingName': '新建文档', 'name': '', 'identifyingKey': 'document_add',
              'identifyingType': 'document', 'isSelect': True, 'possessorIs': False, 'select': True},
             {'id': '7', 'identifyingName': '文档下载', 'name': '', 'identifyingKey': 'document_down',
              'identifyingType': 'document', 'isSelect': True, 'possessorIs': False, 'select': True},
             {'id': '8', 'identifyingName': '文档编辑', 'name': '', 'identifyingKey': 'document_update',
              'identifyingType': 'document', 'isSelect': True, 'possessorIs': False, 'select': True},
             {'id': '9', 'identifyingName': '文档移动', 'name': '', 'identifyingKey': 'document_move',
              'identifyingType': 'document', 'isSelect': True, 'possessorIs': False, 'select': True}], 'share': False}

    # access_token = client.login()
    # print(requests.post('http://120.195.49.22:7215/mgr/document/dcLibrary/knowledges?size=1000&current=1', headers={
    #     'authorization': f'Bearer {access_token}'}).json())