# -*- coding: utf-8 -*-
from django import forms
from expobanner.models import URL, BannerGroup, Banner, Paid, Top
from exposition.models import Exposition
from country.models import Country
from city.models import City
from theme.models import Theme, Tag


class UrlCreateForm(forms.ModelForm):
    verbose = u'Создать урл'
    class Meta:
        model = URL
        exclude = ['created_at', 'updated_at', 'sites']


class BannerCreateGroupForm(forms.ModelForm):
    verbose = u'Создать групу'
    class Meta:
        model = BannerGroup
        exclude = ['created_at', 'updated_at', 'speed']

class BannerGroupUpdateForm(BannerCreateGroupForm):
    verbose = u'Изменить групу'
    class Meta:
        model = BannerGroup
        exclude = ['created_at', 'updated_at', 'slug', 'speed']


class BannerCreateForm(forms.ModelForm):
    verbose = u'Создать банер'
    #country = forms.ChoiceField(label=u'Страна', choices=[('', ' ')] + [(c.id, c.name) for c in Country.objects.all()], required=False)
    #theme = forms.ChoiceField(label=u'Тематика', required=False,
    #                                  choices=[('', ' ')] + [(item.id, item.name) for item in Theme.objects.language().all()])
    #city = forms.CharField(label=u'Город', widget=forms.HiddenInput(), required=False)
    #tag = forms.CharField(label=u'Тег', widget=forms.HiddenInput(), required=False)

    class Meta:
        model = Banner
        exclude = ['created_at', 'updated_at', 'often', 'paid', 'stat_pswd']


class ClientStatForm(forms.Form):
    stat_pswd = forms.CharField(label=u'Введите пароль:')

    def check_pass(self, obj):
        pswd = self.cleaned_data['stat_pswd']
        return obj.stat_pswd == pswd


class PaidCreateForm(forms.ModelForm):
    verbose = u'Создать проплаченую выставку'
    exposition = forms.CharField(label=u'Выставка', widget=forms.HiddenInput())
    tickets = forms.URLField(label=u'Линк на билеты')
    participation = forms.URLField(label=u'Линк на участие')
    official = forms.URLField(label=u'Линк на официальный сайт')

    class Meta:
        model = Paid
        fields = ['logo', 'organiser', 'public']

    def save(self, commit=True):
        paid = super(PaidCreateForm, self).save(commit=False)
        if commit:
            expo = self.cleaned_data['exposition']
            tickets = self.cleaned_data['tickets']
            tickets_link = Banner.objects.create_for_paid(expo, tickets, 'tickets')
            participation = self.cleaned_data['participation']
            participation_link = Banner.objects.create_for_paid(expo, participation, 'participation')
            official = self.cleaned_data['official']
            official_link = Banner.objects.create_for_paid(expo, official, 'official')
            catalog = expo.get_permanent_url()
            catalog_link = Banner.objects.create_for_paid(expo, catalog, 'catalog')


            paid.tickets = tickets_link
            paid.participation = participation_link
            paid.official = official_link
            paid.catalog = catalog_link
            paid.save()

            expo.paid_new = paid
            expo.save()
        return paid

    def clean_exposition(self):
        expo_id = self.cleaned_data['exposition']
        try:
            expo = Exposition.objects.get(id=expo_id)
        except Exposition.DoesNotExist:
            raise forms.ValidationError(u'Такой выставки не существует')
        return expo

class PaidUpdateForm(forms.ModelForm):
    tickets = forms.URLField(label=u'Линк на билеты')
    participation = forms.URLField(label=u'Линк на участие')
    official = forms.URLField(label=u'Линк на официальный сайт')

    class Meta:
        model = Paid
        fields = ['logo', 'organiser', 'public']

    def save(self, commit=True):
        paid = super(PaidUpdateForm, self).save(commit=False)
        if commit:
            tickets = self.cleaned_data['tickets']
            b_tickets = paid.tickets
            if tickets != b_tickets.url:
                b_tickets.url = tickets
                b_tickets.save()

            participation = self.cleaned_data['participation']
            b_participation = paid.participation
            if participation != b_participation.url:
                b_participation.url = participation
                b_participation.save()

            official = self.cleaned_data['official']
            b_official = paid.official
            if official != b_official.url:
                b_official.url = official
                b_official.save()

            paid.save()

        return paid


class TopCreateForm(forms.ModelForm):
    verbose = u'Создать выставку в топе'
    exposition = forms.CharField(label=u'Выставка', widget=forms.HiddenInput())
    country = forms.MultipleChoiceField(label=u'Страна', choices=[('', ' ')] + [(c.id, c.name) for c in Country.objects.all()], required=False)
    theme = forms.MultipleChoiceField(label=u'Тематика', required=False,
                                      choices=[('', ' ')] + [(item.id, item.name) for item in Theme.objects.language().all()])
    excluded_cities = forms.CharField(label=u'Город', widget=forms.HiddenInput(), required=False)
    excluded_tags = forms.CharField(label=u'Тег', widget=forms.HiddenInput(), required=False)
    class Meta:
        model = Top
        fields = ['catalog', 'position', 'theme', 'excluded_tags', 'country', 'excluded_cities', 'fr', 'to']

    def save(self, commit=True):
        top = super(TopCreateForm, self).save(commit=False)
        # Prepare a 'save_m2m' method for the form,
        old_save_m2m = self.save_m2m

        def save_m2m():
           old_save_m2m()
           # This is where we actually link the pizza with toppings
           top.theme.clear()
           for theme in self.cleaned_data['theme']:
               top.theme.add(theme)

        self.save_m2m = save_m2m

        if commit:
            expo = self.cleaned_data['exposition']
            top.save()
            self.save_m2m()
            expo.top = top
            expo.save()
        return top

    def clean_theme(self):
        theme_ids = self.cleaned_data['theme']
        if theme_ids:
            return Theme.objects.filter(id__in=theme_ids)
        return Theme.objects.none()

    def clean_country(self):
        country_ids = self.cleaned_data['country']
        if country_ids:
            return Country.objects.filter(id__in=country_ids)
        return Country.objects.none()

    def clean_exposition(self):
        expo_id = self.cleaned_data['exposition']
        try:
            expo = Exposition.objects.get(id=expo_id)
        except Exposition.DoesNotExist:
            raise forms.ValidationError(u'Такой выставки не существует')
        return expo