import argparse
from alpha_vantage.sectorperformance import SectorPerformances
from alpha_vantage.timeseries import TimeSeries
import config_terminal as cfg
import pandas as pd
#from helper_funcs import *


# ---------------------------------------------------- GAINERS ----------------------------------------------------
def gainers(l_args):
    parser = argparse.ArgumentParser(prog='gainers', 
                                     description='Print up to 25 top ticker gainers in terminal. [Source: Yahoo Finance]')
                                     
    parser.add_argument('-n', "--num", action="store", dest="n_gainers", type=int, default=5, choices=range(1, 25),
                        help='Number of the top gainers stocks to retrieve.')

    try:
        (ns_parser, l_unknown_args) = parser.parse_known_args(l_args)
    except SystemExit:
        print("")
        return
    
    if l_unknown_args:
        print(f"The following args couldn't be interpreted: {l_unknown_args}")

    df_gainers = pd.read_html('https://finance.yahoo.com/screener/predefined/day_gainers')[0]
    print(df_gainers.head(ns_parser.n_gainers).to_string(index=False))
    print("")
