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

import BeautifulSoup
import datetime
import dingguo
import email
import ioex
import re

def parse_order_confirmation_mail(mail):

    assert isinstance(mail, email.message.Message)

    html = mail.get_payload()[0].get_payload(decode = True)

    """ document in html2 has the same structure as the one in html.
        only difference is that hyperlink urls in html2 have been
        replaced by 'email.uber.com/wf/click?upn=.*' urls.
        """
    html2 = mail.get_payload()[1].get_payload()[0].get_payload(decode = True)

    route_map = mail.get_payload()[1].get_payload()[1].get_payload(decode = True)

    doc = BeautifulSoup.BeautifulSoup(
        html,
        convertEntities = BeautifulSoup.BeautifulSoup.HTML_ENTITIES,
        )

    # strptime
    with ioex.setlocale('en_US.UTF-8'):

        trip_id = re.search(
            ur'[\da-f\-]{36}',
            doc.find(text = 'Visit the trip page').parent['href'],
            ).group(0)
        order = dingguo.Order(
            u'uber',
            trip_id,
            datetime.datetime.strptime(
                doc.find(attrs = {'class': 'date'}).text,
                '%B %d, %Y',
                ).date(),
            )

        departure_time_tag = doc.find(attrs = {'class': 'from time'})
        departure_time = datetime.datetime.strptime(
            departure_time_tag.text,
            '%I:%M%p',
            ).time()

        arrival_time_tag = doc.find(attrs = {'class': 'to time'})
        arrival_time = datetime.datetime.strptime(
            arrival_time_tag.text,
            '%I:%M%p',
            ).time()

    distance = dingguo.Distance(
        float(doc.find(text = 'kilometers').parent.parent.find(attrs = {'class': 'data'}).text),
        u'km',
        )

    fare = doc.find(attrs = {'class': 'header-price'}).find(attrs = {'class': 'header-fare text-pad'}).text

    order.items.append(dingguo.TaxiRide(
        name = doc.find(text = 'CAR').parent.parent.find(attrs = {'class': 'data'}).text + ' Ride',
        price_brutto = dingguo.Sum(float(fare[1:]), fare[0]),
        arrival_time = datetime.datetime.combine(order.order_date, arrival_time),
        departure_time = datetime.datetime.combine(order.order_date, departure_time),
        departure_point = departure_time_tag.parent.find(attrs = {'class': 'address'}).text,
        destination_point = arrival_time_tag.parent.find(attrs = {'class': 'address'}).text,
        distance = distance,
        driver = doc.find(attrs = {'class': 'driver-info'}).text[len('You rode with '):],
        route_map = route_map,
        ))

    return [order]