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

from ccxt.base.exchange import Exchange
from ccxt.base.errors import ExchangeError


class btcbox (Exchange):

    def describe(self):
        return self.deep_extend(super(btcbox, self).describe(), {
            'id': 'btcbox',
            'name': 'BtcBox',
            'countries': 'JP',
            'rateLimit': 1000,
            'version': 'v1',
            'hasCORS': False,
            'hasFetchOHLCV': False,
            'urls': {
                'logo': 'https://user-images.githubusercontent.com/1294454/31275803-4df755a8-aaa1-11e7-9abb-11ec2fad9f2d.jpg',
                'api': 'https://www.btcbox.co.jp/api',
                'www': 'https://www.btcbox.co.jp/',
                'doc': 'https://www.btcbox.co.jp/help/asm',
            },
            'api': {
                'public': {
                    'get': [
                        'depth',
                        'orders',
                        'ticker',
                        'allticker',
                    ],
                },
                'private': {
                    'post': [
                        'balance',
                        'trade_add',
                        'trade_cancel',
                        'trade_list',
                        'trade_view',
                        'wallet',
                    ],
                },
            },
            'markets': {
                'BTC/JPY': {'id': 'BTC/JPY', 'symbol': 'BTC/JPY', 'base': 'BTC', 'quote': 'JPY'},
            },
        })

    def fetch_balance(self, params={}):
        self.load_markets()
        balances = self.privatePostBalance()
        result = {'info': balances}
        currencies = list(self.currencies.keys())
        for i in range(0, len(currencies)):
            currency = currencies[i]
            lowercase = currency.lower()
            if lowercase == 'dash':
                lowercase = 'drk'
            account = self.account()
            free = lowercase + '_balance'
            used = lowercase + '_lock'
            if free in balances:
                account['free'] = float(balances[free])
            if used in balances:
                account['used'] = float(balances[used])
            account['total'] = self.sum(account['free'], account['used'])
            result[currency] = account
        return self.parse_balance(result)

    def fetch_order_book(self, symbol, params={}):
        self.load_markets()
        market = self.market(symbol)
        request = {}
        numSymbols = len(self.symbols)
        if numSymbols > 1:
            request['coin'] = market['id']
        orderbook = self.publicGetDepth(self.extend(request, params))
        result = self.parse_order_book(orderbook)
        result['asks'] = self.sort_by(result['asks'], 0)
        return result

    def parse_ticker(self, ticker, market=None):
        timestamp = self.milliseconds()
        symbol = None
        if market:
            symbol = market['symbol']
        return {
            'symbol': symbol,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'high': self.safe_float(ticker, 'high'),
            'low': self.safe_float(ticker, 'low'),
            'bid': self.safe_float(ticker, 'buy'),
            'ask': self.safe_float(ticker, 'sell'),
            'vwap': None,
            'open': None,
            'close': None,
            'first': None,
            'last': self.safe_float(ticker, 'last'),
            'change': None,
            'percentage': None,
            'average': None,
            'baseVolume': self.safe_float(ticker, 'vol'),
            'quoteVolume': self.safe_float(ticker, 'volume'),
            'info': ticker,
        }

    def fetch_tickers(self, symbols=None, params={}):
        self.load_markets()
        tickers = self.publicGetAllticker(params)
        ids = list(tickers.keys())
        result = {}
        for i in range(0, len(ids)):
            id = ids[i]
            market = self.markets_by_id[id]
            symbol = market['symbol']
            ticker = tickers[id]
            result[symbol] = self.parse_ticker(ticker, market)
        return result

    def fetch_ticker(self, symbol, params={}):
        self.load_markets()
        market = self.market(symbol)
        request = {}
        numSymbols = len(self.symbols)
        if numSymbols > 1:
            request['coin'] = market['id']
        ticker = self.publicGetTicker(self.extend(request, params))
        return self.parse_ticker(ticker, market)

    def parse_trade(self, trade, market):
        timestamp = int(trade['date']) * 1000
        return {
            'info': trade,
            'id': trade['tid'],
            'order': None,
            'timestamp': timestamp,
            'datetime': self.iso8601(timestamp),
            'symbol': market['symbol'],
            'type': None,
            'side': trade['type'],
            'price': trade['price'],
            'amount': trade['amount'],
        }

    def fetch_trades(self, symbol, since=None, limit=None, params={}):
        self.load_markets()
        market = self.market(symbol)
        request = {}
        numSymbols = len(self.symbols)
        if numSymbols > 1:
            request['coin'] = market['id']
        response = self.publicGetOrders(self.extend(request, params))
        return self.parse_trades(response, market, since, limit)

    def create_order(self, symbol, type, side, amount, price=None, params={}):
        self.load_markets()
        market = self.market(symbol)
        request = {
            'amount': amount,
            'price': price,
            'type': side,
        }
        numSymbols = len(self.symbols)
        if numSymbols > 1:
            request['coin'] = market['id']
        response = self.privatePostTradeAdd(self.extend(request, params))
        return {
            'info': response,
            'id': response['id'],
        }

    def cancel_order(self, id, symbol=None, params={}):
        self.load_markets()
        return self.privatePostTradeCancel(self.extend({
            'id': id,
        }, params))

    def sign(self, path, api='public', method='GET', params={}, headers=None, body=None):
        url = self.urls['api'] + '/' + self.version + '/' + path
        if api == 'public':
            if params:
                url += '?' + self.urlencode(params)
        else:
            self.check_required_credentials()
            nonce = str(self.nonce())
            query = self.extend({
                'key': self.apiKey,
                'nonce': nonce,
            }, params)
            request = self.urlencode(query)
            secret = self.hash(self.encode(self.secret))
            query['signature'] = self.hmac(self.encode(request), self.encode(secret))
            body = self.urlencode(query)
            headers = {
                'Content-Type': 'application/x-www-form-urlencoded',
            }
        return {'url': url, 'method': method, 'body': body, 'headers': headers}

    def request(self, path, api='public', method='GET', params={}, headers=None, body=None):
        response = self.fetch2(path, api, method, params, headers, body)
        if 'result' in response:
            if not response['result']:
                raise ExchangeError(self.id + ' ' + self.json(response))
        return response