from datetime import date, timedelta, datetime
import pandas as pd

class PayDay_Anomaly(QCAlgorithm):

    def Initialize(self):
        self.SetStartDate(2000, 1, 1)
        self.SetEndDate(datetime.now())
        self.SetCash(100000)
        
        self.symbol = "SPY"
        data = self.AddEquity(self.symbol, Resolution.Minute)

        dates = pd.read_csv('https://docs.google.com/spreadsheets/d/1JNyYi7LiwK-Mcmq2BOM547Y8kEIDox4fIq01C4uZyGw/export?format=csv',header=None)
        dates = [datetime.strptime(x[0], "%d.%m.%Y") for x in dates.values]

        self.Schedule.On(self.DateRules.On(dates), self.TimeRules.BeforeMarketClose(self.symbol, 1), self.DayBefore16th)
        self.Schedule.On(self.DateRules.EveryDay(self.symbol), self.TimeRules.BeforeMarketClose(self.symbol, 1), self.Rebalance)
    
    def DayBefore16th(self):
        if not self.Portfolio[self.symbol].IsLong:
            self.SetHoldings(self.symbol, 1)

    def Rebalance(self):
        if self.Portfolio[self.symbol].IsLong:
            self.Liquidate(self.symbol)