import requests
import json
from datetime import datetime, timedelta
from BaseModels.mailSender import techSendMail
from GeneralApp.temp_data_funcs import *


def get_rate_nb_by_currency_code(code, date=None):
    from .nbrb.nbrb_currency_exchange import get_nbrb_rate_by_currency_code
    from .alfabank_api.alfabank_api_funcs import get_alfabank_nb_rate_by_currency_code

    if code == 'BYN':
        return 1

    rate = None
    request_required = True

    try:

        tmp_rec = get_tmp_data('currency_rate', code)
        if tmp_rec and tmp_rec.json_data:
            if 'rate' in tmp_rec.json_data:
                # если с момента последнего импорта прошло меньше 30 минут - забираем курс из базы
                if datetime.strptime(tmp_rec.json_data['DT'], '%d.%m.%Y %H:%M') + timedelta(
                        minutes=30) > datetime.now():
                    rate = tmp_rec.json_data['rate']

        if not rate:
            # если с последней попытки меньше минуты - отдаем старый курс или None
            if tmp_rec.modifiedDT + timedelta(minutes=5) > datetime.now():
                if 'rate' in tmp_rec.json_data:
                    rate = tmp_rec.json_data['rate']
                else:
                    request_required = False

        if request_required:
            if not rate:
                rate = get_alfabank_nb_rate_by_currency_code(code)

            # if not rate:
            #     rate = get_nbrb_rate_by_currency_code(code)

        tmp_rec.modifiedDT = datetime.now()
        tmp_rec.save()

    except Exception as e:
        msg = f'<b style="color : red;">!!!!! --- get_rate_nb_by_currency_code error={str(e)}</b>'
        print(msg)
        techSendMail(msg, 'tE get_rate_nb_by_currency_code error')

    return rate