from pykrakenapi import KrakenAPI
import time, threading, pandas, krakenex, numpy


class Kraken:
    def __init__(self):
        self.krakenAPI = krakenex.API()
        self.krakenAPI.load_key("kraken.key")
        self.krakenWrapper = KrakenAPI(self.krakenAPI)
        self.getBalances()
    
    # Updates the current wallet prices from the internet
    def getBalances(self):
        __newBalances = self.krakenWrapper.get_account_balance()
        #print(self.balances.loc["XXBT","vol"]-__newBalances.loc["XXBT","vol"])
        #print(self.balances.loc["XXDG","vol"]-__newBalances.loc["XXDG","vol"])
        #print(self.balances.loc["ZUSD","vol"]-__newBalances.loc["ZUSD","vol"])
        
        self.balances = __newBalances
    
    # Gets a table of the price history of the pair since time at intervals of interval minutes
    def getPrices(self, pair, time=round(time.time())-(30*24*3600), interval=60):
        self.prices = self.krakenWrapper.get_ohlc_data(pair, interval=interval, since=time)[0].close.iloc[::-1]

    
    def buyOrder(self, currency_pair, currency_buy, currency_sell, amount, ordertype="market"):
        self.krakenWrapper.add_standard_order(currency_pair, "buy", ordertype, volume=amount, validate=False)
        #self.balances["vol"][currency_buy] += amount
        #self.balances["vol"][currency_sell] -= amount * self.prices.tail(1)[0]
        time.sleep(1)
        self.getBalances()

    def sellOrder(self, currency_pair, currency_buy, currency_sell, amount, ordertype="market"):
        self.krakenWrapper.add_standard_order(currency_pair, "sell", ordertype, volume=amount, validate=False)
        #self.balances["vol"][currency_buy] -= amount
        #self.balances["vol"][currency_sell] += amount * self.prices.tail(1)[0]
        time.sleep(1)
        self.getBalances()

    def calculateEMA(self, shortTime=round(time.time())-(7*24*3600), longTime=round(time.time())-(30*24*3600), interval=60):
        self.longEMA = self.prices.ewm(span=12).mean()
        self.shortEMA = self.prices.ewm(span=3).mean()



if __name__ == "__main__":
    currency_buy = "XXBT"
    currency_sell = "ZUSD"
    currency_pair = "XXBTZUSD"

    k = Kraken()
    
    k.getPrices(currency_pair)

    # OFFENSIVE CODE
    current_price = numpy.float64(k.krakenWrapper.get_ticker_information(currency_pair)["c"][0][0])
    new_row = pandas.DataFrame([[current_price]], index=[pandas.to_datetime(time.time(), unit = "s")])

    k.prices = pandas.concat([k.prices, pandas.DataFrame(new_row)], ignore_index=False)
    # END OFFENSIVE CODE

    k.calculateEMA()

    if k.balances["vol"][currency_buy] > 10**-5:
        k.sellOrder(currency_pair, currency_buy, currency_sell, k.balances["vol"][currency_buy]) 
    elif k.balances["vol"][currency_sell] > 10**-2:
        k.buyOrder(currency_pair, currency_buy, currency_sell, k.balances["vol"][currency_sell] * (1/k.prices.tail(1)[0][0]))