# -*- coding: utf-8 -*-
from time import time
import requests


class Py3status:
    """
    Display current day + 3 days weather forecast as icons on your i3bar
    Based on Yahoo! Weather. forecast, thanks guys !
    See: http://developer.yahoo.com/weather/
    """
    def __init__(self):
        """
        Basic configuration
        Find your city code using:
            http://answers.yahoo.com/question/index?qid=20091216132708AAf7o0g
        The city_code in this example is for Paris, France
        """
        self.cache_timeout = 1800
        self.city_code = 'FRXX0076'
        self.request_timeout = 10

    def _get_forecast(self):
        """
        Ask Yahoo! Weather. for a forecast
        """
        r = requests.get(
            'http://query.yahooapis.com/v1/public/yql?q=select item from weather.forecast where location="%s"&format=json' % self.city_code,
            timeout=self.request_timeout
        )

        result = r.json()
        status = r.status_code
        forecasts = []

        if status == 200:
            forecasts = result['query']['results']['channel']['item']['forecast']
            # reset today
            forecasts[0] = result['query']['results']['channel']['item']['condition']
        else:
            raise Exception('got status {}'.format(status))

        # return current today + 3 days forecast
        return forecasts[:4]

    def _get_icon(self, forecast):
        """
        Return an unicode icon based on the forecast code and text
        See: http://developer.yahoo.com/weather/#codes
        """
        icons = ['☀', '☁', '☂', '☃', '?']
        code = int(forecast['code'])
        text = forecast['text'].lower()

        # sun
        if 'sun' in text or code in [31, 32, 33, 34, 36]:
            code = 0

        # cloud / early rain
        elif 'cloud' in text or code in [
                19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
                44
                ]:
            code = 1

        # rain
        elif 'rain' in text or code in [
                0, 1, 2, 3, 4, 5, 6, 9,
                11, 12,
                37, 38, 39,
                40, 45, 47
                ]:
            code = 2

        # snow
        elif 'snow' in text or code in [
                7, 8,
                10, 13, 14, 15, 16, 17, 18,
                35,
                41, 42, 43, 46
                ]:
            code = 3

        # dunno
        else:
            code = -1

        return icons[code]

    def weather_yahoo(self, json, i3status_config):
        """
        This method gets executed by py3status
        """
        response = {
            'cached_until': time() + self.cache_timeout,
            'full_text': '',
            'name': 'weather_yahoo'
            }

        forecasts = self._get_forecast()
        for forecast in forecasts:
            icon = self._get_icon(forecast)
            response['full_text'] += '{} '.format(icon)
        response['full_text'] = response['full_text'].strip()

        return (0, response)