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

# Copyright(C) 2010-2011 Nicolas Duhamel
#
# This file is part of a weboob module.
#
# This weboob module is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This weboob module is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this weboob module. If not, see <http://www.gnu.org/licenses/>.

from __future__ import unicode_literals, division

from io import BytesIO

from weboob.exceptions import BrowserUnavailable, BrowserIncorrectPassword, NoAccountsException, ActionNeeded
from weboob.browser.pages import LoggedPage
from weboob.browser.filters.html import Link
from weboob.browser.filters.standard import CleanText, Regexp
from weboob.tools.captcha.virtkeyboard import VirtKeyboard

from .base import MyHTMLPage


class UnavailablePage(MyHTMLPage):
    def on_load(self):
        raise BrowserUnavailable()


class Keyboard(VirtKeyboard):
    symbols={'0':'daa52d75287bea58f505823ef6c8b96c',
             '1':'f5da96c2592803a8cdc5a928a2e4a3b0',
             '2':'9ff78367d5cb89cacae475368a11e3af',
             '3':'908a0a42a424b95d4d885ce91bc3d920',
             '4':'3fc069f33b801b3d0cdce6655a65c0ac',
             '5':'58a2afebf1551d45ccad79fad1600fc3',
             '6':'7fedfd9e57007f2985c3a1f44fb38ea1',
             '7':'389b8ef432ae996ac0141a2fcc7b540f',
             '8':'bf357ff09cc29ea544991642cd97d453',
             '9':'b744015eb89c1b950e13a81364112cd6',
            }

    color=(0xff, 0xff, 0xff)

    def __init__(self, page):
        img_url = Regexp(CleanText('//style'), r'background:url\((.*?)\)', default=None)(page.doc) or \
                  Regexp(CleanText('//script'), r'IMG_ALL = "(.*?)"', default=None)(page.doc)
        size = 252
        if not img_url:
            img_url = page.doc.xpath('//img[@id="imageCVS"]')[0].attrib['src']
            size = 146
        coords = {}

        x, y, width, height = (0, 0, size // 4, size // 4)
        for i, _ in enumerate(page.doc.xpath('//div[@id="imageclavier"]//button')):
            code = '%02d' % i
            coords[code] = (x+4, y+4, x+width-8, y+height-8)
            if (x + width + 1) >= size:
                y += height + 1
                x = 0
            else:
                x += width + 1

        data = page.browser.open(img_url).content
        VirtKeyboard.__init__(self, BytesIO(data), coords, self.color)

        self.check_symbols(self.symbols, page.browser.responses_dirname)

    def get_symbol_code(self,md5sum):
        code = VirtKeyboard.get_symbol_code(self,md5sum)
        return '%02d' % int(code.split('_')[-1])

    def get_string_code(self,string):
        code = ''
        for c in string:
            code += self.get_symbol_code(self.symbols[c])
        return code

    def get_symbol_coords(self, coords):
        # strip borders
        x1, y1, x2, y2 = coords
        return VirtKeyboard.get_symbol_coords(self, (x1+3, y1+3, x2-3, y2-3))


class LoginPage(MyHTMLPage):
    def login(self, login, pwd):
        vk = Keyboard(self)

        form = self.get_form(name='formAccesCompte')
        form['password'] = vk.get_string_code(pwd)
        form['username'] = login
        form.submit()


class repositionnerCheminCourant(LoggedPage, MyHTMLPage):
    def on_load(self):
        super(repositionnerCheminCourant, self).on_load()
        response = self.browser.open("https://voscomptesenligne.labanquepostale.fr/voscomptes/canalXHTML/securite/authentification/initialiser-identif.ea")
        if isinstance(response.page, Initident):
            response.page.on_load()
        if "vous ne disposez pas" in response.text:
            raise BrowserIncorrectPassword("No online banking service for these ids")
        if 'Nous vous invitons à renouveler votre opération ultérieurement' in response.text:
            raise BrowserUnavailable()


class Initident(LoggedPage, MyHTMLPage):
    def on_load(self):
        self.browser.open("https://voscomptesenligne.labanquepostale.fr/voscomptes/canalXHTML/securite/authentification/verifierMotDePasse-identif.ea")
        if self.doc.xpath(u'//span[contains(text(), "L\'identifiant utilisé est celui d\'une Entreprise ou d\'une Association")]'):
            raise BrowserIncorrectPassword(u"L'identifiant utilisé est celui d'une Entreprise ou d'une Association")
        no_accounts = CleanText(u'//div[@class="textFCK"]')(self.doc)
        if no_accounts:
            raise NoAccountsException(no_accounts)
        MyHTMLPage.on_load(self)


class CheckPassword(LoggedPage, MyHTMLPage):
    def on_load(self):
        MyHTMLPage.on_load(self)
        self.browser.location("https://voscomptesenligne.labanquepostale.fr/voscomptes/canalXHTML/comptesCommun/synthese_assurancesEtComptes/init-synthese.ea")


class BadLoginPage(MyHTMLPage):
    pass


class AccountDesactivate(LoggedPage, MyHTMLPage):
    pass


class TwoFAPage(MyHTMLPage):
    def on_load(self):
        # For pro browser this page can provoke a disconnection
        # We have to do login again without 2fa
        deconnexion = self.doc.xpath('//iframe[contains(@id, "deconnexion")] | //p[@class="txt" and contains(text(), "Session expir")]')
        if deconnexion:
            self.browser.login_without_2fa()

    def get_auth_method(self):
        status_message = CleanText('//div[@class="textFCK"]')(self.doc)
        if 'Une authentification forte via Certicode Plus vous' in status_message:
            return 'cer+'
        elif 'authentification forte via Certicode vous' in status_message:
            return 'cer'
        elif 'avez pas de solution d’authentification forte' in status_message:
            return 'no2fa'
        elif 'Nous rencontrons un problème pour valider votre opération. Veuillez reessayer plus tard' in status_message:
            raise BrowserUnavailable(status_message)

        assert False, '2FA method not found'

    def get_skip_url(self):
        return Link('//div[@class="certicode_footer"]/a')(self.doc)


class Validated2FAPage(MyHTMLPage):
    pass


class SmsPage(MyHTMLPage):
    def check_if_is_blocked(self):
        error_message = CleanText('//div[@class="textFCK"]')(self.doc)
        if "l'accès à votre Espace client est bloqué" in error_message:
            raise ActionNeeded(error_message)

    def get_sms_form(self):
        return self.get_form()

    def is_sms_wrong(self):
        return 'Le code de sécurité que vous avez saisi est erroné' in CleanText('//div[@id="DSP2_Certicode_AF_ErreurCode1"]//div[@class="textFCK"]')(self.doc)


class DecoupledPage(MyHTMLPage):
    def get_decoupled_message(self):
        return CleanText('//div[@class="textFCK"]/p[contains(text(), "Validez votre authentification")]')(self.doc)
