# -*- coding: utf-8 -*-
from django.db.models import F
from django import forms
from django.conf import settings
from django.forms.util import ErrorList
from ckeditor.widgets import CKEditorWidget
from functions.translate import fill_with_signal
#models
from models import Service
from country.models import Country, City
from functions.form_check import translit_with_separator


class ServiceForm(forms.Form):

    #europa = forms.ModelMultipleChoiceField(queryset=Country.objects.filter(region='europa'), required=False,
    #                                        widget=forms.CheckboxSelectMultiple())
    #asia = forms.ModelMultipleChoiceField(queryset=Country.objects.filter(region='asia'), required=False,
    #                                        widget=forms.CheckboxSelectMultiple())
    #america = forms.ModelMultipleChoiceField(queryset=Country.objects.filter(region='america'),required=False,
    #                                        widget=forms.CheckboxSelectMultiple())
    #africa = forms.ModelMultipleChoiceField(queryset=Country.objects.filter(region='africa'),required=False,
    #                                        widget=forms.CheckboxSelectMultiple())


#    city = forms.MultipleChoiceField(required=False, choices="")

    url = forms.CharField(label='url', required=False)
    price = forms.IntegerField(label='Цена', required=False,
                               widget=forms.TextInput(attrs={'placeholder':'Валюта'}))

    #price = forms.CharField(label='Цена', required=False,
    #                        widget=forms.TextInput(attrs={'placeholder':'Валюта'}))

    currency_list = [('USD','USD'), ('EUR','EUR'), ('RUB','RUB')]
    currency = forms.ChoiceField(choices=currency_list)
    type = forms.MultipleChoiceField(label='Тип', choices=[('expo', 'expo'), ('conference', 'conference')])
    service_id = forms.CharField(required=False, widget=forms.HiddenInput())

    def __init__(self, *args, **kwargs):
        super(ServiceForm, self).__init__(*args, **kwargs)
        # creates translated form fields, example: name_ru, name_en
        # len(10) is a hack for detect if settings.LANGUAGES is not configured it return all langs
        if len(settings.LANGUAGES) in range(10):
            for lid, (code, name) in enumerate(settings.LANGUAGES):
                # using enumerate for detect iteration number
                # first iteration is a default lang so it required fields
                required = True if lid == 0 else False
                self.fields['name_%s' % code] = forms.CharField(label='Названия', required=required)
                self.fields['main_title_%s' % code] = forms.CharField(label='Заголовок', required=required, widget=CKEditorWidget)
                self.fields['description_%s' % code] = forms.CharField(label='Описание', required=required, widget=CKEditorWidget)
                self.fields['advantage_%s' % code] = forms.CharField(label='Преимущества', required=False, widget=CKEditorWidget)
                #meta data
                self.fields['title_%s' % code] = forms.CharField(label='Тайтл', required=False, max_length=255,
                                                                 widget=forms.TextInput(attrs={'style':'width: 550px'}))
                self.fields['keywords_%s' % code] = forms.CharField(label='Description', required=False, max_length=255,
                                                                 widget=forms.TextInput(attrs={'style':'width: 550px'}))
                self.fields['descriptions_%s' % code] = forms.CharField(label='Keywords', required=False, max_length=255,
                                                                 widget=forms.TextInput(attrs={'style':'width: 550px'}))


    def save(self, id=None):
        data = self.cleaned_data

        #create new Service object or get exists
        if not id:
            service = Service()
        else:
            service = Service.objects.get(id=id)


        service.url = translit_with_separator(data['url']).lower() if data['url']\
            else translit_with_separator(data['name_ru'].lower())
        #service.price = data['price']+' '+data['currency']#%s %s'%(data['price'], data['currency'])

        service.price = data['price']
        service.currency = data['currency']
        #data['type']
         

        fill_with_signal(Service, service, data)

        #service.save()

        """
        countries = [item.id for item in data['europa']]
        countries += [item.id for item in data['asia']]
        countries += [item.id for item in data['america']]
        countries += [item.id for item in data['africa']]

        cities = [item for item in data['city']]

        #add service to checked countries

        Country.objects.filter(id__in=countries).\
            update(services = F('services').bitor(getattr(Country.services, str(service.id))) )
        Country.objects.exclude(id__in=countries).\
            update(services = F('services').bitand(~getattr(Country.services, str(service.id))))
        #add service to checked cities
        City.objects.filter(id__in=cities).\
            update(services = F('services').bitor(getattr(City.services, str(service.id))) )
        City.objects.exclude(id__in=cities).\
            update(services = F('services').bitand(~getattr(City.services, str(service.id))))
        """


    def clean(self):
        id = self.cleaned_data.get('service_id')
        url = self.cleaned_data.get('url')

        service = Service.objects.filter(url=translit_with_separator(url))
        if service and str(service[0].id) != id:
            msg = 'Такой урл уже занят'
            self._errors['url'] = ErrorList([msg])
            del self.cleaned_data['url']

        return self.cleaned_data

class ServiceDeleteForm(forms.ModelForm):
    url = forms.CharField(widget=forms.HiddenInput())

    class Meta:
        model = Service
        fields = ('url',)