# pragma pylint: disable=missing-docstring, invalid-name, pointless-string-statement
# flake8: noqa: F401
# isort: skip_file
# --- Do not remove these libs ---
import numpy as np  # noqa
import pandas as pd  # noqa
from pandas import DataFrame
import os
from datetime import datetime

from freqtrade.strategy import (BooleanParameter, CategoricalParameter, DecimalParameter,
                                IStrategy, IntParameter, RealParameter)

from freqtrade.strategy import merge_informative_pair

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

pd.set_option('display.max_columns', 100)
pd.set_option('display.max_rows', None)
pd.set_option('display.expand_frame_repr', True)

def delete_log_results():
    if os.path.exists("mylogs.txt"):
        os.remove("mylogs.txt")

def log_to_results(str_to_log):
    fr = open("mylogs.txt", "a")
    #fr.write(str(datetime.now()) + " : " + str_to_log + "\n")
    fr.write(str_to_log + "\n")
    fr.close()

# This class is a sample. Feel free to customize it.
class StratEma7Ema25(IStrategy):
    delete_log_results()

    # Strategy interface version - allow new iterations of the strategy interface.
    # Check the documentation or the Sample strategy to get the latest version.
    INTERFACE_VERSION = 3

    # Can this strategy go short?
    can_short: bool = True

    #roi0 = RealParameter(0.01, 0.09, decimals=1, default=0.04, space="buy")

    # Minimal ROI designed for the strategy.
    # This attribute will be overridden if the config file contains "minimal_roi".
    minimal_roi = {
        #"60": 0.01,
        #"30": 0.01,
        "0": 0.25
    }

    # Optimal stoploss designed for the strategy.
    # This attribute will be overridden if the config file contains "stoploss".
    stoploss = -0.25

    # Trailing stoploss
    trailing_stop = False
    # trailing_only_offset_is_reached = False
    trailing_stop_positive = 0.005
    # trailing_stop_positive_offset = 0.0  # Disabled / not configured

    # Optimal timeframe for the strategy.
    timeframe = '15m'

    # Run "populate_indicators()" only for new candle.
    process_only_new_candles = True

    # These values can be overridden in the config.
    use_exit_signal = True
    exit_profit_only = False
    ignore_roi_if_entry_signal = False

    # Number of candles the strategy requires before producing valid signals
    startup_candle_count: int = 26

    # Optional order type mapping.
    order_types = {
        'entry': 'limit',
        'exit': 'limit',
        'stoploss': 'market',
        'stoploss_on_exchange': False
    }

    # Optional order time in force.
    order_time_in_force = {
        'entry': 'gtc',
        'exit': 'gtc'
    }

    def informative_pairs(self):
        # get access to all pairs available in whitelist.
        return []

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

        # RSI
        dataframe['rsi'] = ta.RSI(dataframe)
        dataframe['ema20'] = ta.EMA(dataframe, timeperiod = 20)
        dataframe['ema50'] = ta.EMA(dataframe, timeperiod = 50)
        dataframe['ema100'] = ta.EMA(dataframe, timeperiod = 100)

        #log_to_results(dataframe.to_string())

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

        dataframe.loc[
            (   
                qtpylib.crossed_above(dataframe['ema20'], dataframe['ema100'])
            ),
            'enter_long'] = 1

        """
        dataframe.loc[
            (   
                qtpylib.crossed_below(dataframe['ema20'], dataframe['ema100'])
            ),
            'enter_short'] = 1
        """

        return dataframe

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

        """
        dataframe.loc[
            (
                qtpylib.crossed_below(dataframe['ema20'], dataframe['ema50'])
            ),
            'exit_long'] = 1

        dataframe.loc[
            (
                qtpylib.crossed_above(dataframe['ema20'], dataframe['ema50'])
            ),
            'exit_short'] = 1
        """

        return dataframe