"""
@author: luojunhui
"""
import os
import sys
import json
import pymysql
from tqdm import tqdm
from concurrent.futures.thread import ThreadPoolExecutor

sys.path.append(os.getcwd())

from functions import PyODPS, generate_hourly_strings, generate_daily_strings
from functions import MySQLClientSpider


def insert_into_db(video_obj):
    """
    Insert video into MySQL database
    :param video_obj:
    :return:
    """
    video_id = video_obj['videoid']
    title = video_obj['title']
    recommend_status = video_obj['recommend_status']
    total_time = video_obj['total_time']
    width = video_obj['width']
    height = video_obj['height']
    app_type = video_obj['app_type'] if video_obj['app_type'] else ''
    descr = video_obj['descr'] if video_obj['descr'] else ''
    uid = video_obj['uid']
    type_ = video_obj['type'] if video_obj['type'] else ''
    channel = video_obj['channel'] if video_obj['channel'] else ''
    user_fans = video_obj['user_fans']
    user_view_30 = video_obj['user_view_cnt_30days']
    user_share_30 = video_obj['user_share_cnt_30days']
    user_return_30 = video_obj['user_return_cnt_30days']
    dt = video_obj['dt']
    sql = f"""
            INSERT INTO lightgbm
            (video_id, title, recommend_status, total_time, width, height, app_type, descr, uid, type, channel, user_fans, user_view_cnt_30days, user_share_cnt_30days, user_return_cnt_30days, dt)
            values 
            ({video_id}, '{title}', '{recommend_status}', {total_time}, {width}, {height}, '{app_type}', '{descr}', '{uid}', '{type_}', '{channel}', {user_fans}, {user_view_30}, {user_share_30}, {user_return_30}, '{dt}');
    """
    # print(sql)
    connection = pymysql.connect(
        host="rm-bp1159bu17li9hi94.mysql.rds.aliyuncs.com",  # 数据库IP地址，内网地址
        port=3306,  # 端口号
        user="crawler",  # mysql用户名
        passwd="crawler123456@",  # mysql用户登录密码
        db="piaoquan-crawler",  # 数据库名
        charset="utf8mb4"  # 如果数据库里面的文本是utf8编码的，charset指定是utf8
    )
    cursor = connection.cursor()
    try:
        cursor.execute(sql)
        connection.commit()
    except Exception as e:
        print("{}插入失败, 失败原因是: {}".format(video_obj['video_id'], e))
    finally:
        connection.close()


class ReadDataFromOdps(object):
    """
    read data from ODPS
    """

    def __init__(self):
        self.oo = PyODPS()
        self.spider_ = MySQLClientSpider()

    def read_data_with_multi_threads(self):
        """
        多线程读取 odps，并且异步更新到 mysql 中，作为训练数据
        :return:
        """
        dt_list = generate_daily_strings(start_date="20240301", end_date="20200410")
        for dt in tqdm(dt_list):
            daily_info = self.read_daily_data(dt)
            with ThreadPoolExecutor(max_workers=8) as Pool:
                Pool.map(insert_into_db, daily_info)

    def read_daily_data(self, dt):
        """
        获取天级别数据
        :param dt:
        """
        sql = f"""select * from loghubods.content_quality_base_eachday where dt = '{dt}';"""
        daily_data = self.oo.select(sql)
        return daily_data


if __name__ == '__main__':
    R = ReadDataFromOdps()
    R.read_data_with_multi_threads()