import datetime
from django import forms
from django.utils.translation import ugettext_lazy as _
from django.contrib.auth.models import User
from django.contrib.auth import authenticate
from django.db.models import Q
from app.models import Members

class LoginForm(forms.Form):
    username = forms.CharField(label=_("Username"), max_length=30,
                               widget=forms.TextInput(attrs={'tabindex': 1, 'class': 'NB-input'}),
                               error_messages={'required': 'Please enter a username.'})
    password = forms.CharField(label=_("Password"),
                               widget=forms.PasswordInput(attrs={'tabindex': 2, 'class': 'NB-input'}),
                               required=False)    
                               # error_messages={'required': 'Please enter a password.'})

    def __init__(self, *args, **kwargs):
        self.user_cache = None
        super(LoginForm, self).__init__(*args, **kwargs)

    def clean(self):
        username = self.cleaned_data.get('username', '').lower()
        password = self.cleaned_data.get('password', '')
        
        user = User.objects.filter(Q(username__iexact=username) | Q(email=username))
        if username and user:
            self.user_cache = authenticate(username=user[0].username, password=password)
            if self.user_cache is None:
                self.user_cache = authenticate(username=user[0].username, password="")
            if self.user_cache is None:
                email_username = User.objects.filter(email=username)
                if email_username:
                    self.user_cache = authenticate(username=email_username[0].username, password=password)
                    if self.user_cache is None:
                        self.user_cache = authenticate(username=email_username[0].username, password="")
            if self.user_cache is None:
                # logging.info(" ***> [%s] Bad Login: TRYING JK-LESS PASSWORD" % username)
                jkless_password = password.replace('j', '').replace('k', '')
                self.user_cache = authenticate(username=username, password=jkless_password)
                if self.user_cache is None:
                    #logging.info(" ***> [%s] Bad Login" % username)
                    raise forms.ValidationError(_("Whoopsy-daisy. Try again."))
                else:
                    # Supreme fuck-up. Accidentally removed the letters J and K from
                    # all user passwords. Re-save with correct password.
                    #logging.info(" ***> [%s] FIXING JK-LESS PASSWORD" % username)
                    self.user_cache.set_password(password)
                    self.user_cache.save()
            if not self.user_cache.is_active:
                raise forms.ValidationError(_("This account is inactive."))
        elif username and not user:
            raise forms.ValidationError(_("That username is not registered. Create an account with it instead."))
            
        return self.cleaned_data

    def get_user_id(self):
        if self.user_cache:
            return self.user_cache.id
        return None

    def get_user(self):
        return self.user_cache

class EditProfileForm(forms.Form):
    firstname = forms.CharField(label=_("First Name"), max_length=30,
                               widget=forms.TextInput(attrs={'tabindex': 1, 'class': 'NB-input'}),
                               error_messages={'required': 'Please enter a first name'})
    lastname = forms.CharField(label=_("LastName"),
                               widget=forms.TextInput(attrs={'tabindex': 2, 'class': 'NB-input'}),
                               error_messages={'required': 'Please enter a last name.'})

    def __init__(self, *args, **kwargs):
        super(EditProfileForm, self).__init__(*args, **kwargs)

    def clean(self):
        firstname = self.cleaned_data.get('firstname', '')
        lastname = self.cleaned_data.get('lastname', '')
              
        return self.cleaned_data

    def save(self, username):
        firstname = self.cleaned_data['firstname']
        lastname = self.cleaned_data['lastname']

        member  = Members.objects.get(username=username)    
        member.firstname = firstname
        member.lastname = lastname
        member.save()
        
        return member