from django import forms
from modoboa.admin.models import Mailbox
from modoboa.lib.authbackends import _check_password
from django.contrib.auth.models import check_password
from django.utils.translation import ugettext as _

class ChangePasswordForm(forms.Form):
    oldpassword = forms.CharField(label=_("Old password"), 
                                  widget=forms.PasswordInput)
    newpassword = forms.CharField(label=_("New password"), 
                                  widget=forms.PasswordInput)
    confirmation = forms.CharField(label=_("Confirmation"), 
                                   widget=forms.PasswordInput)

    def __init__(self, target, *args, **kwargs):
        super(ChangePasswordForm, self).__init__(*args, **kwargs)
        self.target = target

    def clean_oldpassword(self):
        if not isinstance(self.target, Mailbox):
            func = check_password
        else:
            func = _check_password
        if not func(self.cleaned_data["oldpassword"], 
                    self.target.password):
            raise forms.ValidationError(_("Old password mismatchs"))
        return self.cleaned_data["oldpassword"]

    def clean_confirmation(self):
        if self.cleaned_data["newpassword"] != self.cleaned_data["confirmation"]:
            raise forms.ValidationError(_("Passwords mismatch"))
        return self.cleaned_data["confirmation"]