import json

import requests

CURRENCIES = ["USD", "EUR", "GBP", "PLN"]


def base_input():
    """Getting action input."""
    base = input('\nConvert from: ').upper()
    return base


def to_input():
    """Getting action input."""
    to = input('Convert to: ').upper()
    return to


def exchange_connector():
    print('\nAvailable currencies: ')
    print('-' * 60)
    print(' '.join(CURRENCIES))
    base = base_input()
    if base in CURRENCIES:
        url = (f'https://api.exchangeratesapi.io/latest?base={base}')
        response = requests.get(url)
        data = response.text
        parsed = json.loads(data)
        rates = parsed['rates']
        exchange_rates(base, rates, parsed)
        print('dsd')
    elif base == '0':
        quit('bye')
    else:
        print('There is no such currency in the database.\n')
        exchange_connector()


def exchange_rates(base, rates, parsed):
    print(f'\nConversion rate per 100 {base}')
    print('-' * 60)

    for currency, rate in rates.items():
        if currency.strip().upper() in CURRENCIES:
            print(f'{currency} = {round(100 * rate, 4)}')
    date = parsed['date']
    print('\ndate:', date)
    print('-' * 60)


exchange_connector()

# -----------------------------------------------------------------------------


"""Actual output:
CAD = 128.0481
HKD = 775.265
ISK = 12926.6461
PHP = 4810.2312
DKK = 620.5625
HUF = 29757.156
CZK = 2153.5509
GBP = 73.0518
RON = 406.8013
SEK = 844.7634
IDR = 1403675.2065
INR = 7290.9121
BRL = 544.5047
RUB = 7479.9716
HRK = 631.0023
JPY = 10574.9812
THB = 3010.0142
CHF = 90.3363
EUR = 83.4516
MYR = 407.0517
BGN = 163.2146
TRY = 707.277
CNY = 647.0416
NOK = 860.1185
NZD = 139.9983
ZAR = 1497.1793
USD = 100.0
MXN = 2031.9619
SGD = 133.7979
AUD = 131.528
ILS = 329.2665
KRW = 112279.8965
PLN = 375.7239

date: 2021-02-05
------------------------------------------------------------

Process finished with exit code 0
"""

# ------------------------------------------------------------------------------------

"""Proper output:
USD = 100.0
EUR = 83.4516
GBP = 73.0518
PLN = 375.7239
"""