"""
@author: luojunhui
"""


class RequestDeal(object):
    """
    Deal Request from outside
    """

    def __init__(self, params, mysql_client):
        self.start_dt = params['start_date']
        self.end_dt = params['end_date']
        self.cate = params['cate']
        self.topN = params['topN'] if params.get("topN") else 1
        self.mysql_client = mysql_client

    def response_obj(self, data_list):
        """
        处理 return 信息
        :param data_list:
        :return:
        """
        result_list = [
            {
                "video_id": obj[0],
                "title": obj[1],
                "video_url": obj[2]
            } for obj in data_list
        ]
        response = {
            "status": "success",
            "cate": self.cate,
            "start_date": self.start_dt,
            "end_dt": self.end_dt,
            "topN": self.topN,
            "data": result_list
        }
        return response

    async def deal(self):
        """
        deal function
        :return:
        """
        if self.cate == "video_return":
            return await self.deal_return()
        elif self.cate == "video_view":
            return await self.deal_view()
        elif self.cate == "video_rov":
            return await self.deal_rov()
        else:
            return {"error": "params is not correct"}

    async def deal_return(self):
        """
        return
        :return:
        """
        sql = f"""
        select video_id, title, video_url 
        from top_return_daily 
        where dt >= '{self.start_dt}' and dt < '{self.end_dt}' 
        order by return_ DESC
        limit {self.topN}
        """
        result_list = await self.mysql_client.select(sql)
        return self.response_obj(result_list)

    async def deal_view(self):
        """
        view
        :return:
        """
        sql = f"""
        select video_id, title, video_url 
        from top_return_daily 
        where dt >= '{self.start_dt}' and dt < '{self.end_dt}' 
        order by view_  DESC
        limit {self.topN}
        """
        result_list = await self.mysql_client.select(sql)
        return self.response_obj(result_list)

    async def deal_rov(self):
        """
        rov
        :return:
        """
        sql = f"""
        select video_id, title, video_url 
        from top_return_daily 
        where dt >= '{self.start_dt}' and dt < '{self.end_dt}' 
        order by rov DESC
        limit {self.topN}
        """
        result_list = await self.mysql_client.select(sql)
        return self.response_obj(result_list)