# -*- coding: utf-8 -*-
'''
设置每天 23:59 执行, 读取当天数据库中, 所有日志, 发送到指定邮箱
'''
import time
import os
import sys
import httpx

sys.path.append(os.path.join(os.path.abspath(__file__).split('auto')[0] + 'auto'))

import pymongo
import smtplib
from email.mime.text import MIMEText
from email.header import Header
from base.base_load_config import load_config, get_base_path

config_json = load_config()
base_project = get_base_path()

PROJECT_NAME = config_json.get('PROJECT_NAME')
DB_USER = config_json.get('DB_USER')
DB_PASSWORD = config_json.get('DB_PASSWORD')
DB_IP = config_json.get('DB_IP')
DB_PORT = config_json.get('DB_PORT')
MONGO_LINK = f'mongodb://{DB_USER}:{DB_PASSWORD}@{DB_IP}:{DB_PORT}/'
MAIL_HOST = config_json.get('MAIL_HOST')
MAIL_USER = config_json.get('MAIL_USER')
MAIL_PASS = config_json.get('MAIL_PASS')
MAIL_SENDER = config_json.get('MAIL_SENDER')
MAIL_RECEIVERS = config_json.get('MAIL_RECEIVERS')

now_day = time.strftime('%Y-%m-%d', time.localtime())


class LogsHandle(object):
    def __init__(self):
        self.now_day = time.strftime('%Y-%m-%d', time.localtime())
        db = 'logs'
        collection = 'logs_' + self.now_day
        self.mongo = MongoHandle(db=db, collection=collection, del_db=False, del_collection=False, auto_remove=0)

    def logs_send(self):
        subject = 'auto message logs'
        title = 'auto message - daily logs: {}'.format(self.now_day)
        text = ''

        # TODO
        # 从 mongodb 读取日志, 拼接 text, 发送邮件
        # 查询所有文档
        query = {'state': 'error'}
        cursor = self.mongo.collection.find(query)
        # 遍历结果集
        for record in cursor:
            text += "logs_source: {}, logs_detail: {}, state: {} logs_create_time: {}\n\n".format(
                record.setdefault('title'),
                record.setdefault('content'),
                record.setdefault('state'),
                record.setdefault('create_datetime'),
            )

        if text:
            S = SendEmail(subject=subject, title=title, text=text)
            S.send()

            G = GotifyNotifier(title=title, message=text, token='base')
            G.send_message()
        else:
            print("No error logs found for today.")


class MongoHandle(object):
    def __init__(self, db, collection, del_db=False, del_collection=False, auto_remove=0):
        self.client = pymongo.MongoClient(MONGO_LINK)
        self.db = db
        self.collection = collection

        if del_db and db:
            # 检查数据库是否存在
            if db in self.client.list_database_names():
                # 删除数据库
                self.client.drop_database(db)
        self.db = self.client[db]

        if del_collection and self.collection:
            # 检查集合是否存在
            if self.collection in self.db.list_collection_names():
                # 删除集合
                self.db.drop_collection(collection)
        self.collection = self.db[collection]

        if auto_remove:
            self.auto_remove_data(auto_remove)

    def write_data(self, data):
        self.collection.insert_one(data)

    def auto_remove_data(self, day):
        for data in self.collection.find({'create_time': {'$lt': int(time.time()) - day * 24 * 60 * 60}}):
            self.collection.delete_one({'_id': data['_id']})


class SendEmail(object):
    def __init__(self, subject='auto subject', title='auto title', text='auto text') -> None:
        # 第三方 SMTP 服务
        self.mail_host = MAIL_HOST  # 设置服务器
        self.mail_user = MAIL_USER  # 用户名
        self.mail_pass = MAIL_PASS  # 口令

        self.sender = MAIL_SENDER
        self.receivers = [MAIL_RECEIVERS]

        self.subject = subject
        self.title = title
        self.text = text

    def send(self):
        message = MIMEText(self.text, 'plain', 'utf-8')
        message['From'] = Header(self.title, 'utf-8')
        message['To'] = Header("auto", 'utf-8')
        message['Subject'] = Header(self.subject, 'utf-8')

        try:
            smtpObj = smtplib.SMTP_SSL(self.mail_host)
            smtpObj.login(self.mail_user, self.mail_pass)
            smtpObj.sendmail(self.sender, self.receivers, message.as_string())
            print("邮件发送成功")
        except smtplib.SMTPException as e:
            print("Error: 无法发送邮件", e)


class GotifyNotifier:
    def __init__(self, title, message, token='A8EVb0Cmxnb2vfk'):
        self.gotify_url = 'https://gotify.erhe.top'
        self.app_token = token
        self.title = title
        self.message = message

    def send_message(self):
        # 构建POST请求的headers
        headers = {
            'Content-Type': 'application/json'
        }

        # 构建POST请求的body
        body = {
            'title': self.title,
            'message': self.message
        }

        # 发送POST请求
        with httpx.Client() as client:
            response = client.post(
                url=f"{self.gotify_url}/message?token={self.app_token}",
                headers=headers,
                json=body
            )

        # 检查响应状态码
        if response.status_code == 200:
            print('Gotify Message sent successfully!')
        else:
            print('Failed to send message:', response.text)


if __name__ == '__main__':
    print("开始执行日志处理")
    LogsHandle().logs_send()
    print("处理日志程序执行完毕")