# -*- coding: utf-8 -*-
# Copyright (c) 2013 Jendrik Poloczek
# Copyright (c) 2013 Tao Sauvage
# Copyright (c) 2014 Aborilov Pavel
# Copyright (c) 2014 Sean Vig
# Copyright (c) 2014-2015 Tycho Andersen
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

import locale

from libqtile.widget import base
from libqtile.widget.generic_poll_text import GenPollUrl

_DEFAULT_CURRENCY = str(locale.localeconv()['int_curr_symbol'])


class BitcoinTicker(GenPollUrl):
    """
    A bitcoin ticker widget, data provided by the coinbase.com API. Defaults to
    displaying currency in whatever the current locale is. Examples::

        # display the average price of bitcoin in local currency
        widget.BitcoinTicker()

        # display it in Euros:
        widget.BitcoinTicker(currency="EUR")
    """

    QUERY_URL = "https://api.coinbase.com/v2/prices/spot?currency=%s"

    orientations = base.ORIENTATION_HORIZONTAL

    defaults = [
        ('currency', _DEFAULT_CURRENCY.strip(),
            'The currency the value that bitcoin is displayed in'),
    ]

    def __init__(self, **config):
        GenPollUrl.__init__(self, **config)
        self.add_defaults(BitcoinTicker.defaults)

        # set up USD as the default if no locale is set
        if self.currency == "":
            locale.setlocale(locale.LC_MONETARY, "en_US.UTF-8")
            self.currency = locale.localeconv()['int_curr_symbol'].strip()
        self.symbol = locale.localeconv()['currency_symbol']

    @property
    def url(self):
        return self.QUERY_URL % self.currency.lower()

    def parse(self, body):
        return "BTC: {symbol}{amount}".format(symbol=self.symbol, amount=body['data']['amount'])
