import os
import sys

root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))))
sys.path.append(root)

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

# PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN:
# https://github.com/ccxt/ccxt/blob/master/CONTRIBUTING.md#how-to-contribute-code

# ----------------------------------------------------------------------------
# -*- coding: utf-8 -*-

from ccxt.test.exchange.base import test_ticker  # noqa E402
from ccxt.test.exchange.base import test_shared_methods  # noqa E402

def test_fetch_tickers(exchange, skipped_properties, symbol):
    without_symbol = test_fetch_tickers_helper(exchange, skipped_properties, None)
    with_symbol = test_fetch_tickers_helper(exchange, skipped_properties, [symbol])
    results = asyncio.gather(*[without_symbol, with_symbol])
    test_fetch_tickers_amounts(exchange, skipped_properties, results[0])
    return results


def test_fetch_tickers_helper(exchange, skipped_properties, arg_symbols, arg_params={}):
    method = 'fetchTickers'
    response = exchange.fetch_tickers(arg_symbols, arg_params)
    assert isinstance(response, dict), exchange.id + ' ' + method + ' ' + exchange.json(arg_symbols) + ' must return an object. ' + exchange.json(response)
    values = list(response.values())
    checked_symbol = None
    if arg_symbols is not None and len(arg_symbols) == 1:
        checked_symbol = arg_symbols[0]
    test_shared_methods.assert_non_emtpy_array(exchange, skipped_properties, method, values, checked_symbol)
    for i in range(0, len(values)):
        # todo: symbol check here
        ticker = values[i]
        test_ticker(exchange, skipped_properties, method, ticker, checked_symbol)
    return response


def test_fetch_tickers_amounts(exchange, skipped_properties, tickers):
    tickers_values = list(tickers.values())
    if not ('checkActiveSymbols' in skipped_properties):
        #
        # ensure all "active" symbols have tickers
        #
        non_inactive_markets = test_shared_methods.get_active_markets(exchange)
        not_inactive_symbols_length = len(non_inactive_markets)
        obtained_tickers_length = len(tickers_values)
        min_ratio = 0.99  # 1.0 - 0.01 = 0.99, hardcoded to avoid C# transpiler type casting issues
        assert obtained_tickers_length >= not_inactive_symbols_length * min_ratio, exchange.id + ' ' + 'fetchTickers' + ' must return tickers for all active markets. but returned: ' + str(obtained_tickers_length) + ' tickers, ' + str(not_inactive_symbols_length) + ' active markets'
        #
        # ensure tickers length is less than markets length
        #
        all_markets = exchange.markets
        all_markets_length = len(list(all_markets.keys()))
        assert obtained_tickers_length <= all_markets_length, exchange.id + ' ' + 'fetchTickers' + ' must return <= than all markets, but returned: ' + str(obtained_tickers_length) + ' tickers, ' + str(all_markets_length) + ' markets'