import logging
from logging import handlers
import os
from model.sql_models import DB
from data_processing import video_processing
from config import using_config as db_config



def video_check():
    # 1.检查media表中是否有byte为空，但是download_path有数据的
    sql = '''select download_path from t_ads_media tam 
        where download_path is not null
        and video_bit_rate is null
       and type =2 ;
    '''
    cursor = zx_db.session.execute(sql)
    download_path_list = []
    for line in cursor.fetchall():
        download_path_list.append(line[0])
    zx_db.session.commit()
    # 2.检查signature（md5），是否已经存在于media，如果已经存在，一切用原来的信息
    for download_path in download_path_list:
        download_url = 'https://zx-media-database.oss-cn-hangzhou.aliyuncs.com/' + download_path
        logging.info('开始解析视频:{} '.format(download_url))

        # 3.进行视频解析
        cloud_filepath, metadata_title, video_size, duration, bit_rate, width, height, format = video_processing.change_format(
            download_url)
        # -1.更新media，idea两种表的数据

        type = 2
        signature = metadata_title[3:]
        media_size = video_size
        media_format = format
        video_length = duration
        video_bit_rate = bit_rate
        max_media_size = media_size
        height = height
        width = width
        aspect_ratio = round(width / (height if height else 1), 1)
        media_sql = '''
            update t_ads_media 
                        set video_mate_data='{video_mate_data}',
                        type='{type}' ,signature='{signature}', media_size='{media_size}',
                        media_format = '{media_format}', video_length='{video_length}',
                        video_bit_rate = '{video_bit_rate}', max_media_size='{max_media_size}',
                        height='{height}', width='{width}', aspect_ratio = '{aspect_ratio}'
                        where download_path='{download_path}';
        '''.format(download_path=download_path, video_mate_data=metadata_title, type=type,
                   signature=signature, media_size=media_size,
                   media_format=media_format, video_length=video_length,
                   video_bit_rate=video_bit_rate, max_media_size=max_media_size,
                   height=height, width=width, aspect_ratio=aspect_ratio)

        idea_sql = '''
            update t_ads_idea 
                set signature='{signature}', video_mate_data='{video_mate_data}',
                         media_size='{media_size}',type='{type}' ,
                        media_format = '{media_format}',
                         video_length='{video_length}',
                        video_bit_rate = '{video_bit_rate}', max_media_size='{max_media_size}',
                        height='{height}', width='{width}', aspect_ratio = '{aspect_ratio}'
                        where download_path='{download_path}'
        '''.format(download_path=download_path, video_mate_data=metadata_title, type=type,
                   signature=signature, media_size=media_size,
                   media_format=media_format, video_length=video_length,
                   video_bit_rate=video_bit_rate, max_media_size=max_media_size,
                   height=height, width=width, aspect_ratio=aspect_ratio)
        zx_db.session.execute(media_sql)
        zx_db.session.execute(idea_sql)
        zx_db.session.commit()


def run():
    # 1.检查上一个进程是否已经完结
    result = os.popen('ps aux | grep python | grep minuteRun.py | grep -v grep')
    res = result.read()
    for line in res.splitlines():
        print(line)
    print(len(res.splitlines()))
    if len(res.splitlines()) > 2: #大于2是因为线上是由crontab来运行,crontab相关的运行会导致两行数据产生
        logging.info('前面有视频检查程序在运行')
        return
    else:
        video_check()


if __name__ == '__main__':
    # 定时检查素材库里的视频数据,是否是有
    # 广告创意----也需要检查----图片可能是被动上传
    #

    logging.basicConfig(
        handlers=[
            logging.handlers.RotatingFileHandler('./log/minute_Run.log',
                                                 maxBytes=10 * 1024 * 1024,
                                                 backupCount=5,
                                                 encoding='utf-8')
            , logging.StreamHandler()  # 供输出使用
        ],
        level=logging.INFO,
        format="%(asctime)s - %(levelname)s %(filename)s %(funcName)s %(lineno)s - %(message)s"
    )
    zx_db = DB(db_config.zx_ads)
    logging.info('视频检查,开始')
    run()
    logging.info('视频检查,结束')