"""
@desc 数据库连接
@auth chenkai
@date 2020/11/19
"""
from model.DataBaseOperation import MysqlOperation
from model.log import logger
import yaml
import os
import pandas as pd
from clickhouse_driver.client import Client
import json
log = logger()


class MysqlUtils:
    _quchen_text = None
    _zx=None
    _zx_ads=None
    _dm=None
    _zx_test =None

    def __init__(self):
        p_path =os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
        path = os.path.join(p_path,"config", "db_config.yaml")
        f = open(path, encoding="utf-8")
        self.config = yaml.load(f.read(), Loader=yaml.FullLoader)





    @property
    def quchen_text(self):

        conf = self.config['quchen_text']
        self._quchen_text = MysqlOperation(host=conf['host'],
                                      user=conf['user'],
                                      passwd=conf['passwd'],
                                      db=conf['db'])
        return self._quchen_text

    @property
    def zx(self):
        conf = self.config['zx']
        self._zx = MysqlOperation(host=conf['host'],
                                  user=conf['user'],
                                  passwd=conf['passwd'],
                                  db=conf['db'])
        return self._zx

    @property
    def zx_ads(self):
        conf = self.config['zx_ads']
        self._zx_ads = MysqlOperation(host=conf['host'],
                                  user=conf['user'],
                                  passwd=conf['passwd'],
                                  db=conf['db'])
        return self._zx_ads

    @property
    def zx_test(self):
        conf = self.config['zx_test']
        self._zx_test = MysqlOperation(host=conf['host'],
                                  user=conf['user'],
                                  passwd=conf['passwd'],
                                  db=conf['db'])
        return self._zx_test


    @property
    def dm(self):
        conf = self.config['dm']
        self._dm = MysqlOperation(host=conf['host'],
                                  user=conf['user'],
                                  passwd=conf['passwd'],
                                  db=conf['db'])
        return self._dm


    def find_db(self, db):

        if db == "quchen_text":
            self._quchen_text = self._quchen_text
            return self._quchen_text

        else:
            log.debug("输入数据库有误")

    def close(self):
        if self._quchen_text:
            self._quchen_text.cursor.close()
            self._quchen_text.conn.close()

        if self._zx:
            self._zx.cursor.close()
            self._zx.conn.close()

        if self._dm:
            self._dm.cursor.close()
            self._dm.conn.close()

        if self._zx_test:
            self._zx_test.cursor.close()
            self._zx_test.conn.close()

        if self._zx_ads:
            self._zx_ads.cursor.close()
            self._zx_ads.conn.close()

class CkUtils:

    def __init__(self):
        self.client = Client(host='cc-bp1h3yc7o3g3o7k64o.ads.aliyuncs.com',
                           user='qucheng_ck',
                           password='Qc123456',
                           port='3306',
                           send_receive_timeout=5)

    def execute(self, sql):

        return self.client.execute(sql)

    def getData_pd(self,sql,col):
        """

        :param sql:
        :param col: ['a','b']
        :return:
        """
        data=self.execute(sql)
        df=pd.DataFrame(data,columns=col)
        return df

    def getData_pdv2(self,sql):
        data = self.client.execute_iter(sql,with_column_types=True)
        columns = [column[0] for column in next(data)]
        df = pd.DataFrame.from_records(data, columns=columns)
        return df

        # print(df.to_json(orient='records'))

    def getData_json(self,sql):
        return self.getData_pdv2(sql).to_json(orient='records')

    def getColumns(self,table,is_list=False):
        data=self.execute("desc "+table)
        li=[]
        str = ''
        for i in data:
            li.append(i[0])
            str+=i[0]+','
        if is_list:
            return li
        else:
            return str[:-1]







    def insertMany(self,table,col,data):
        """
        :param table: 表名 srt
        :param col:   字段名 srt   eg: ”a,b,c“
        :param data:  tuple/list
        :return:
        """
        max=1000
        sql="insert into {} ({}) values ".format(table,col)

        if len(data) == 0:
            log.debug("data.len==0")
            return
        if len(data) <= max:
            sql = sql+str(data)[1:-1]
            # log.info(sql)
            # log.info("insert {} rows".format(len(data)))
            self.execute(sql)
            return
        else:

            sql2=sql+str(data[:max])[1:-1]
            # log.info(sql2)
            self.execute(sql2)
            # log.info("insert {} rows".format(max))
            self.insertMany(table,col,data[max:])


if __name__ == '__main__':
    # p_path = os.path.dirname(os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir)))
    # print(os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir)))
    ck=CkUtils()
    print(ck.execute("desc order"))