# -*- coding: utf-8 -*-
from django import forms
from django.contrib.auth.forms import ReadOnlyPasswordHashField
from django.forms.util import ErrorList
from django.utils.translation import ugettext as _
from models import User
from country.models import Country
from city.models import City
from company.models import Company
from organiser.models import Organiser
#functions
from functions.form_check import translit_with_separator

class UserCreationForm(forms.ModelForm):
    password1 = forms.CharField(label='Пароль', widget=forms.PasswordInput(render_value=False))
    password2 = forms.CharField(label='Повторите пароль', widget=forms.PasswordInput(render_value=False))

    class Meta:
        model = User
        fields = ('email', 'first_name', 'last_name')

    def clean_email(self):
        """
        checking if user already exist
        """
        email = self.cleaned_data.get('email')
        try:
            User.objects.get(email=email)
        except User.DoesNotExist:
            return email
        raise forms.ValidationError('Пользователь с таким email уже существует')

    def clean_password2(self):
        password1 = self.cleaned_data.get('password1')
        password2 = self.cleaned_data.get('password2')

        if password1 and password2 and password1 != password2:
            raise forms.ValidationError('Пароли не совпадают')
        return password2


    def save(self, commit=True):
        user = super(UserCreationForm, self).save(commit=False)
        user.set_password(self.cleaned_data['password2'])

        if commit:
            user.save()

        return user

class UserChangeForm(forms.ModelForm):
    password = ReadOnlyPasswordHashField()

    class Meta:
        model = User

    def clean_password(self):
        return self.initial['password']

class UserForm(forms.ModelForm):
    email = forms.EmailField(widget=forms.TextInput(attrs={'disabled' : True}), required=False)
    country = forms.ModelChoiceField(label='Страна', queryset=Country.objects.all(), empty_label=None, required=False)
    city = forms.CharField(label='Город', widget=forms.HiddenInput())
    company = forms.ModelChoiceField(label='Компания', queryset=Company.objects.all(), empty_label='', required=False)
    organiser = forms.ModelChoiceField(label='Организатор', queryset=Organiser.objects.all(), empty_label='', required=False)
    title = forms.CharField(widget=forms.TextInput(attrs={'style':'width: 550px'}), required=False)
    descriptions = forms.CharField(widget=forms.TextInput(attrs={'style':'width: 550px'}), required=False)
    keywords = forms.CharField(widget=forms.TextInput(attrs={'style':'width: 550px'}), required=False)

    class Meta:
        model = User
        exclude = ('last_login', 'password', 'is_active', 'is_admin',    'is_superuser', 'is_staff'
                    'date_joined', 'date_registered', 'date_modified')


    def clean_url(self):
        url = self.cleaned_data.get('url')
        try:
            user = User.objects.get(url=translit_with_separator(url))
            if (user.url == translit_with_separator(url)):
                return url
        except:
            return url
        raise forms.ValidationError('Такой урл уже занят')

    def clean_phone(self):
        """
        phone code checking
        """
        cleaned_data = super(UserForm, self).clean()
        phone = cleaned_data.get('phone')
        if  not phone:
            return

        deduct = ('-','(',')','.',' ')
        for elem in deduct:
            phone = phone.replace(elem, '')
        if phone.isdigit():
            return phone
        else:
            raise forms.ValidationError('Введите правильный код страны')

    def clean_web_page(self):
        cleaned_data = super(UserForm, self).clean()
        web_page = cleaned_data.get('web_page')
        if not web_page:
            return web_page

        import socket
        try:
            socket.getaddrinfo(web_page, 80)
            return web_page
        except:
            return forms.ValidationError('Введите правильный адрес страници')

class ChangePasswordForm(forms.Form):
    """
    Form to change password
    """
    old_password = forms.CharField(label=_(u'Old password'), required=True,
                                   widget=forms.PasswordInput(render_value=False,
                                                              attrs={'placeholder': _(u'Введите старый пароль')}))
    new_password = forms.CharField(label=_(u'New password'), required=True,
                                   widget=forms.PasswordInput(render_value=False,
                                                              attrs={'placeholder': _(u'Придумайте новый пароль')}))
    new_password_confirm = forms.CharField(label=_(u'Confirm password'), required=True,
                                           widget=forms.PasswordInput(render_value=False,
                                                                      attrs={'placeholder': _(u'Повторите новый пароль')}))

    def clean(self):
        data = super(ChangePasswordForm, self).clean()
        password1 = data.get('new_password')
        password2 = data.get('new_password_confirm')
        if not password1 or not password2:
            return data
        #    self._errors['new_password'] = ErrorList([_(u'Different passwords!')])
        #    return data
        if password1 and password2 and password1 != password2:
            # check if passwords exists and equal
            self._errors['new_password'] = ErrorList([_(u'Пароли не совпадают!')])
            self._errors['new_password_confirm'] = ErrorList([_(u'Пароли не совпадают!')])
            del data['new_password_confirm']
            del data['new_password']
            return data
        if not password1.isdigit() and any(char.isdigit() for char in password1) and len(password1)>5:
            # password must contain digits and letters and length > 5
            return data
        else:
            self._errors['new_password'] = ErrorList([_(u'Пароль должен содержать цифры и буквы')])
            self._errors['new_password_confirm'] = ErrorList([_(u'Пароль должен содержать цифры и буквы')])
            del data['new_password']
            del data['new_password_confirm']
            return data

class EmailAnnouncementForm(forms.Form):
    data = [(1, _(u'Получать приглашения, сообщения и другую корреспонденцию от пользователей Expomap')),
               (2, _(u'Получать обзор событий')),
               (3, _(u'Получать новости'))]
    announcement = forms.MultipleChoiceField(choices=data, widget=forms.CheckboxSelectMultiple())