from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
import re 
from datetime import date

from model.pls import PLS
from model.plw import PLW
from model.sd  import SD
from model.klb import KLB

class Lottery(object):
    """
    Lottery Base Object
    """
    def __init__(self, lottery_type='pls'):
        self._pat1 = re.compile('开奖日期：(\d+)年(\d+)月(\d+)日.*')
        self._pat2 = re.compile('开奖日期：(\d+)-(\d+)-(\d+)\s.*')
        self._lottery_type = lottery_type
        self.db = self._get_db_session()
        if lottery_type.lower() == 'pls':
            self._Model = PLS
        elif lottery_type.lower() == 'sd':
            self._Model = SD
        elif lottery_type.lower() == 'plw':
            self._Model = PLW
        elif lottery_type.lower() == 'klb':
            self._Model = KLB
        else:
            raise Exception("未知的lottery_type")

    def _get_db_session(self):
        _engine = create_engine("mysql+pymysql://root:123456@localhost/lottery?charset=utf8")
        _DbSession = sessionmaker(bind=_engine)
        return _DbSession()

    def insert(self, draw_issue, draw_date,  draw_code, **kwargs):
        result = self.db.query(self._Model).filter_by(draw_issue=draw_issue).first()
        if result is None:
            record = self._Model()
            record.draw_issue = draw_issue
            record.draw_code = draw_code
            m1 = re.match(self._pat1, draw_date)
            m2 = re.match(self._pat2, draw_date)
            if m1 or m2 :
                if m1:
                    record.draw_date = date(int(m1.group(1)), int(m1.group(2)), int(m1.group(3))) 
                else:
                    record.draw_date = date(int(m2.group(1)), int(m2.group(2)), int(m2.group(3)))
            else:
                raise Exception(f"issue:{issue}数据写入失败。。。")
            # 如果是排列3和3D
            if isinstance(record, PLS) or isinstance(record, SD):
                record.hundred = draw_code[0]
                record.ten = draw_code[1]
                record.one = draw_code[2]
                record.code_small = len(list(filter(lambda x: True if int(x) < 5 else False, draw_code)))
                record.code_big = len(list(filter(lambda x: True if int(x) >= 5 else False, draw_code)))
                record.code_single = len(list(filter(lambda x: True if int(x) % 2 == 1 else False, draw_code)))
                record.code_double = len(list(filter(lambda x: True if int(x) % 2 == 0 else False, draw_code)))
                record.draw_code = draw_code
                record.sum_num = sum(map(int, draw_code))
                record.sum_hundred_one = int(draw_code[2]) + int(draw_code[0])
                record.sum_hundred_ten = int(draw_code[2]) + int(record.draw_code[1])
                record.sum_ten_one = int(record.draw_code[1]) + int(record.draw_code[0])
                if len(set(draw_code)) == 2:
                    record.group_type = 3  
                elif len(set(draw_code)) == 3:
                    record.group_type = 6
                else:
                    record.group_type = 1
            self.db.add(record)
            self.db.commit()
            return record.id
        else:
            return result.id