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

# Copyright(C) 2009-2014  Florent Fourcot
#
# 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 Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this weboob module. If not, see <http://www.gnu.org/licenses/>.
from __future__ import unicode_literals


from weboob.capabilities.bill import DocumentTypes, Bill, Subscription
from weboob.browser.pages import HTMLPage, LoggedPage, pagination, Form
from .compat.weboob_browser_filters_standard import Filter, CleanText, Format, Field, Env, Date
from weboob.browser.filters.html import Attr
from weboob.browser.elements import ListElement, ItemElement, method
from weboob.tools.date import parse_french_date


class FormId(Filter):
    def filter(self, txt):
        formid = txt.split("parameters")[1]
        formid = formid.split("'")[2]
        return formid


class MyForm(Form):
    def submit(self, **kwargs):
        """
        Submit the form but keep current browser.page
        """
        kwargs.setdefault('data_encoding', self.page.encoding)
        return self.page.browser.open(self.request, **kwargs)


class BillsPage(LoggedPage, HTMLPage):
    @method
    class iter_subscriptions(ListElement):
        item_xpath = '//ul[@class="unstyled striped"]/li'

        class item(ItemElement):
            klass = Subscription

            obj__javax = Attr("//form[@id='accountsel_form']/input[@name='javax.faces.ViewState']", 'value')
            obj_id = Attr('input', 'value')
            obj_label = CleanText('label')
            obj__formid = FormId(Attr('input', 'onclick'))

    def get_selected_year(self):
        return int(CleanText('//form[@id="years_form"]//ul/li[@class="rich-list-item selected"]')(self.doc))

    def go_to_year(self, year):
        if year == self.get_selected_year():
            return

        ref = Attr('//form[@id="years_form"]//ul//a[text()="%s"]' % year, 'id')(self.doc)

        self.FORM_CLASS = Form
        form = self.get_form(name='years_form')
        form.pop('years_form:j_idcl')
        form.pop('years_form:_link_hidden_')
        form['AJAXREQUEST'] = 'years_form:year_region'
        form[ref] = ref

        return form.submit()

    def download_document(self, bill):
        # MyForm do open, and not location to keep html page as self.page, to reduce number of request on this html page
        self.FORM_CLASS = MyForm
        _id = bill._localid.split("'")[3]

        form = self.get_form(name='downpdf_form')
        form['statements_form'] = 'statements_form'
        form['statements_form:j_idcl'] = _id
        return form.submit()

    @pagination
    @method
    class iter_documents(ListElement):
        flush_at_end = True
        item_xpath = '//ul[@id="statements_form:statementsel"]/li'

        def next_page(self):
            lis = self.page.doc.xpath('//form[@name="years_form"]//li')
            selected = False
            ref = None
            for li in lis:
                if 'rich-list-item selected' in li.attrib['class']:
                    selected = True
                else:
                    if selected:
                        ref = li.find('a').attrib['id']
                        break
            if ref is None:
                return
            form = self.page.get_form(name='years_form')
            form.pop('years_form:j_idcl')
            form.pop('years_form:_link_hidden_')
            form['AJAXREQUEST'] = 'years_form:year_region'
            form[ref] = ref
            return form.request

        def flush(self):
            for obj in reversed(self.objects.values()):
                yield obj

        class item(ItemElement):
            klass = Bill

            condition = lambda self: not ('tous les relev' in CleanText('a[1]')(self.el)) and not ('annuel' in CleanText('a[1]')(self.el))

            obj_label = CleanText('a[1]', replace=[(' ', '-')])
            obj_id = Format('%s-%s', Env('subid'), Field('label'))
            # Force first day of month as label is in form "janvier 2016"
            obj_date = Format('1 %s', Field('label')) & Date(parse_func=parse_french_date)
            obj_format = 'pdf'
            obj_type = DocumentTypes.STATEMENT
            obj__localid = Attr('a[2]', 'onclick')

            def obj__year(self):
                return int(CleanText('a[1]')(self).split(' ')[1])
