# pragma pylint: disable=missing-docstring, invalid-name, pointless-string-statement
# isort: skip_file
import numpy as np  # noqa
import pandas as pd  # noqa

from freqtrade.strategy import IStrategy, merge_informative_pair
from pandas import DataFrame

# Add your lib to import here
import talib.abstract as ta
import freqtrade.vendor.qtpylib.indicators as qtpylib

class Reco_1(IStrategy):

    minimal_roi = {
        "0": 1
    }

    # Stoploss
    stoploss = -0.05

    # Trailing stoploss
    trailing_stop = True
    trailing_only_offset_is_reached = True
    trailing_stop_positive = 0.015
    trailing_stop_positive_offset = 0.02

    # Optimal ticker interval for the strategy.
    timeframe = '5m'

    # These values can be overridden in the "ask_strategy" section in the config.
    use_sell_signal = False
    sell_profit_only = False
    ignore_roi_if_buy_signal = False

    # Optional order type mapping.
    order_types = {
        'buy': 'market',
        'sell': 'market',
        'stoploss': 'market',
        'stoploss_on_exchange': True
    }

    # Optional order time in force.
    order_time_in_force = {
        'buy': 'gtc',
        'sell': 'gtc'
    }

    def informative_pairs(self):

        # get access to all pairs available in whitelist.
        pairs = self.dp.current_whitelist()
        # Assign tf to each pair so they can be downloaded and cached for strategy.
        informative_pairs = [(pair, '6h') for pair in pairs]
        # Optionally Add additional "static" pairs
        informative_pairs += [("ETH/USDT", "5m"),
                              ("BTC/TUSD", "5m"),
							  ("ALGO/BTC", "5m"),
					          ("ATOM/BTC", "5m"),
					          ("BAT/BTC", "5m"),
					          ("BCH/BTC", "5m"),
					          ("BRD/BTC", "5m"),
					          ("EOS/BTC", "5m"),
					          ("ETH/BTC", "5m"),
					          ("IOTA/BTC", "5m"),
					          ("LINK/BTC", "5m"),
					          ("LTC/BTC", "5m"),
					          ("NEO/BTC", "5m"),
					          ("NXS/BTC", "5m"),
					          ("XMR/BTC", "5m"),
					          ("XRP/BTC", "5m"),
					          ("XTZ/BTC", "5m"),
                            ]
        return informative_pairs

    def populate_indicators(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
        if not self.dp:
            # Don't do anything if DataProvider is not available.
            return dataframe

        inf_tf = '6h'
        # Get the informative pair
        informative = self.dp.get_pair_dataframe(pair=metadata['pair'], timeframe = inf_tf)
        # Get the 18 hours 3WHITESOLDIERS
        informative['CDL3WHITESOLDIERS'] = ta.CDL3WHITESOLDIERS(informative, timeperiod=3)

        # Use the helper function merge_informative_pair to safely merge the pair
        # Automatically renames the columns and merges a shorter timeframe dataframe and a longer timeframe informative pair
        dataframe = merge_informative_pair(dataframe, informative, self.timeframe, inf_tf, ffill = True)

        # Calculate 3WHITESOLDIERS of the original dataframe (5m timeframe)
        dataframe['CDL3WHITESOLDIERS'] = ta.CDL3WHITESOLDIERS(dataframe, timeperiod=3)


        # Momentum Indicators
        # MFI
        dataframe['mfi'] = ta.MFI(dataframe)

        # # Chart type
        # # Heikin Ashi Strategy
        heikinashi = qtpylib.heikinashi(dataframe)
        dataframe['ha_open'] = heikinashi['open']
        dataframe['ha_close'] = heikinashi['close']
        dataframe['ha_high'] = heikinashi['high']
        dataframe['ha_low'] = heikinashi['low']

        return dataframe

    def populate_buy_trend(self, dataframe: DataFrame, metadata: dict) -> DataFrame:

         dataframe.loc[
            (
                (qtpylib.crossed_above(dataframe['mfi'] > 18)) &
	        	(dataframe['CDL3WHITESOLDIERS_6h'] == True) &
				(dataframe['volume'] > 0)
	    	),
            'buy'] = 1

         return dataframe

    def populate_sell_trend(self, dataframe: DataFrame, metadata: dict) -> DataFrame:

        dataframe.loc[
            (
            ),
            'sell'] = 1 

        return dataframe