from LoggerUtils import Logger, initLogger
from bs4 import BeautifulSoup as bs
from urllib.request import urlopen, Request
import json
import Contant
from sqlalchemy import create_engine
from entity.ChannelEntity import Channel
from service.ChannelService import ChannelService
import operator


def saveChannel(channelUrl, language, region):
    Logger.info("频道链接:"+channelUrl)
    channelId = ""
    channelName = ""
    url_opener = urlopen(
        Request(channelUrl, headers={'User-Agent': 'Mozilla'}))
    videoInfo = bs(url_opener, features="html.parser")
    links = videoInfo.find_all("link")
    for link in links:
        if operator.contains(str(link), "canonical"):
            channelId = str(link['href']).split("/channel/")[1]
        if operator.contains(str(link), "content="):
            channelName = str(link['content'])
    Logger.info("channelId:"+channelId)
    Logger.info("channelName:"+channelName)
    channel: Channel = ChannelService.queryOneByChannelId(channelId)
    if channel:
        Logger.info("频道{}已存在".format(channelId))
        return
    ChannelService.insertOneByValues(
        channelId=channelId, channelTitle=channelName, channelLanguage=language, region=region)


# py .\init.py --db=../db/youtube_prod.db --logDir=./logs
if __name__ == "__main__":
    # 读取配置文件
    with open('init_channel_config.json', 'r', encoding='utf-8') as f:
        # 使用json.load()方法读取文件内容
        data = json.load(f)

    # 初始化日志
    Contant.logDir = data['log']['dir']
    Contant.logFileName = data['log']['fileName']
    initLogger(Contant.logDir, Contant.logFileName)

    # 连接mysql
    dbHost = data['mysql']['host']
    dbPort = data['mysql']['port']
    dbUserName = data['mysql']['username']
    dbPassword = data['mysql']['password']
    dbDatabase = data['mysql']['database']
    Logger.info("尝试连接mysql host:'{}' port:'{}' username:'{}' password:'{}' database:'{}'",
                dbHost, dbPort, dbUserName, dbPassword, dbDatabase)
    Contant.engin = create_engine(
        f'mysql+mysqlconnector://{dbUserName}:{dbPassword}@{dbHost}:{dbPort}/{dbDatabase}')
    Logger.info("连接mysql成功")

    Logger.info("开始读取需要新增的频道地址...")
    urlList = []
    # 打开文件
    for line in open("urlList.txt"):
        line = line.strip('\n')
        urlList.append(line)
    language = urlList[0]
    region = urlList[1]
    Logger.info("language:{} region:{}".format(language, region))
    for url in urlList:
        if len(url) > 20:
            saveChannel(url, language, region)