import threading

import pymysql
import pandas as pd
from threading import Thread, current_thread, local
from sqlalchemy import create_engine
from datetime import datetime as dt
starttime = dt.now()
time = dt.strptime(dt.strftime(dt.now(),'%H:%M:%S'),'%H:%M:%S')
# 数据库引擎
# engine = create_engine('mysql+pymysql://root:r6kEwqWU9!v3@localhost:3307/qbh_hlfx?charset=utf8')

# 连接数据库
db = pymysql.connect(host='localhost',
                     user='root',
                     port=3307,
                     password='r6kEwqWU9!v3',
                     database='qbh_hlfx')

fre = '1d'

cursor = db.cursor()
cursor.execute("select table_name from information_schema.tables where table_schema='qbh_hlfx' and table_name like {}".format('\'%{}\''.format(fre)))
table_list = [tuple[0] for tuple in cursor.fetchall()]

# print(table_list)
stk = threading.local()
engine = locals()
# 主程序
# 找顶底（hdx lfx）分型
def hlfx(table_list,engine):
    for table in table_list:
        # stk.fxdf = pd.DataFrame(columns=('date', 'open', 'close', 'high', 'low', 'volume', 'money', 'HL'))
        stk.df_day = pd.read_sql_query('select date,open,close,high,low,volume,money,HL from %s' % table, engine)
        for i in stk.df_day.index:
            m = i-1
            if i <= 3:
                # stk.fxdf = pd.concat([stk.fxdf, stk.df_day.iloc[[i]]], ignore_index=True)
                stk.df_day.loc[i, 'HL'] = '-'
            # 底
            elif ((stk.df_day.loc[i,'high']>stk.df_day.loc[i-1,'high']) and (stk.df_day.loc[i-2,'high']>stk.df_day.loc[i-1,'high'])):
                # if ((stk.df_day.loc[i-2, 'date'] != stk.fxdf.iloc[-1,0]) and (stk.df_day.loc[i-3,'date'] != stk.fxdf.iloc[-1,0]) and (stk.df_day.loc[i-1,'date'] != stk.fxdf.iloc[-1,0])):
                    # stk.fxdf = pd.concat([stk.fxdf, stk.df_day.iloc[[i]]], ignore_index=True)
                while m:
                    if (stk.df_day.loc[m, 'HL'] == 'H' and (i-m) > 3) \
                            or (stk.df_day.loc[m, 'HL'] == 'L' and stk.df_day.loc[i-1, 'low'] < stk.df_day.loc[m-1, 'low']):
                        # 前一个为顶，且中间存在不包含 or 更低的底
                        stk.df_day.loc[i, 'HL'] = 'L'
                        break
                    m = m-1
            # 顶
            elif ((stk.df_day.loc[i,'high']<stk.df_day.loc[i-1,'high']) and (stk.df_day.loc[i-2,'high']<stk.df_day.loc[i-1,'high'])):
                # if ((stk.df_day.loc[i-2, 'date'] != stk.fxdf.iloc[-1,0]) and (stk.df_day.loc[i-3,'date'] != stk.fxdf.iloc[-1,0]) and (stk.df_day.loc[i-1,'date'] != stk.fxdf.iloc[-1,0])):
                #     stk.fxdf = pd.concat([stk.fxdf, stk.df_day.iloc[[i]]], ignore_index=True)
                while m:
                    if (stk.df_day.loc[m, 'HL'] == 'L' and (i-m) > 3) \
                            or (stk.df_day.loc[m, 'HL'] == 'H' and stk.df_day.loc[i-1, 'high'] > stk.df_day.loc[m-1, 'high']):
                        # 前一个为底，且中间存在不包含 or 更高的顶
                        stk.df_day.loc[i, 'HL'] = 'H'
                        break
                    m = m-1
            else:
                stk.df_day.loc[i, 'HL'] = '-'
        # stk.df_day.to_sql('%s' % table, con=engine, index=True, if_exists='replace', chunksize=20000)
        print(table, '\n', stk.df_day)
        stk.df_day.to_csv('/Users/daniel/Library/CloudStorage/OneDrive-个人/个人/python_stocks/20220212hlfx/this%s.csv' % table)

# table_list = ['stk002237_1d','stk000002_1d']
# hlfx(table_list)
step = 50
for i in range(0, len(table_list), step):
    engine[i] = create_engine('mysql+pymysql://root:r6kEwqWU9!v3@localhost:3307/qbh_hlfx_backup?charset=utf8')
    threading.Thread(target=hlfx, args=(table_list[i:i + step], engine[i])).start()

endtime=dt.now()
print((endtime - starttime).seconds)