import os
from datetime import datetime, date, timedelta
import logging

from splinter import Browser


class Messagenet(object):
    BASE = 'https://www.messagenet.com'

    def __init__(self, browser_driver='chrome'):
        self.browser_driver = browser_driver
        self._browser = None

    # roba pitonesca {{{
    def __enter__(self):
        return self

    def __exit__(self, exc_type, exc_val, exc_tb):
        if self._browser is not None:
            if os.getenv('MN_DEBUG', '0') == '1':
                raw_input('Premi un tasto per uscire')
            self._browser.quit()
        self._browser = None
    # }}}

    @property
    def browser(self):
        if self._browser is None:
            self._browser = Browser(self.browser_driver)
        return self._browser

    def login(self, user, password):
        self.browser.visit(self.BASE)
        self.browser.fill('userid', user)
        self.browser.fill('password', password)
        self.browser.find_by_css('#login button').click()

    def get_inbound_calls(self):
        '''you cannot call this unless you have already logged in'''
        b = self.browser
        b.visit(self.BASE + '/voip/log/?chiamate=ricevute')
        # estendo la ricerca {{{
        longest = b.find_by_css('select[name="data"] option:last-child')
        longest.click()
        b.find_by_css('button.search_button').click()
        # }}}

        rows = b.find_by_css('.sepLog')
        for r in rows:
            ok = r.has_class('statusOK')
            cells = r.find_by_tag('td')
            call_type_desc = cells[0].value
            date = cells[1].value
            # avanzato: prendi la data {{{2
            # }}}
            call_from = cells[2].value
            call_to = cells[3].value
            duration = cells[4].value
            yield {'status': (ok, call_type_desc), 'date': date,
                   'from': call_from, 'to': call_to, 'duration': duration}

    def get_outbound_calls(self):
        '''you cannot call this unless you have already logged in'''
        b = self.browser
        b.visit(self.BASE + '/voip/log/?chiamate=effettuate')
        # estendo la ricerca {{{
        longest = b.find_by_css('select[name="data"] option:last-child')
        longest.click()
        b.find_by_css('button.search_button').click()
        # }}}

        rows = b.find_by_css('.sepLog')
        for r in rows:
            ok = r.has_class('statusOK')
            cells = r.find_by_tag('td')
            call_type_desc = cells[0].value
            human_date = cells[1].value
            # avanzato: parsa la data {{{2
            try:
                parsed_date = datetime.strptime(human_date, '%Y-%m-%d, %H.%M.%S')
            except ValueError as exc:
                print 'parsing date', exc
                if human_date.startswith('Oggi, '):
                    d = date.today()
                    t = datetime.strptime(human_date.split(',', 1)[1].strip(),
                                          '%H.%M.%S').time()
                    parsed_date = datetime.combine(d, t)
                elif human_date.startswith('Ieri, '):
                    d = date.today() - timedelta(days=1)
                    t = datetime.strptime(human_date.split(',', 1)[1].strip(),
                                          '%H.%M.%S').time()
                    parsed_date = datetime.combine(d, t)
                else:
                    logging.error("Could not parse date '%s'" % human_date)
                    parsed_date = None
            # }}}
            call_from = cells[2].value
            deviata = bool(cells[3].value)
            call_to = cells[4].value
            duration = cells[5].value
            yield {'status': (ok, call_type_desc),
                   'date': human_date, 'datetime': parsed_date,
                   'deviata': deviata,
                   'from': call_from, 'to': call_to, 'duration': duration}

    def set_forward(self, to):
        b = self.browser
        b.visit(self.BASE + '/voip/numeri')
        if to is False:
            print '\n'.join([meth for meth in dir(b) if '_by_' in meth])
            b.find_by_name('deviazione').find_by_value('disattiva').click()
        else:
            # assumiamo che il numero sia valido
            b.find_by_name('deviazione').find_by_value('numero').click()
            b.find_by_id('numdev').fill(to)
        b.find_by_css('button[type="submit"]').click()

    def get_forward(self):
        b = self.browser
        b.visit(self.BASE + '/voip/numeri')
        fw_type = b.find_by_name('deviazione').first.value
        fw_all = bool(int(b.find_by_id('tutte').value))
        fw_to = b.find_by_id('numdev').value
        return {'type': fw_type, 'all': fw_all, 'to': fw_to}

    def get_currency(self):
        b = self.browser
        b.visit(self.BASE + '/voip/numeri')
        moneystring = b.find_by_css('.currency span').first.value
        # FIXME: should do a proper parsing based on LC_CURRENCY
        return float(moneystring.replace(',', '.'))