from django import forms
from django.http import HttpResponseRedirect
from django.contrib.auth.decorators import login_required, user_passes_test
from django.contrib.auth.models import User
from django.shortcuts import render_to_response
from django.template import RequestContext
from django.core.mail import send_mail
from django.db.models import Q

from main.models import Package, Todolist
from main.models import Arch, Repo
from main.models import UserProfile, News
from main.models import Mirror
from packages.models import PackageRelation

import random
from string import ascii_letters, digits
pwletters = ascii_letters + digits


@login_required
def index(request):
    '''the Developer dashboard'''
    inner_q = PackageRelation.objects.filter(user=request.user).values('pkgbase')
    packages = Package.objects.select_related('arch', 'repo').filter(needupdate=True)
    packages = packages.filter(Q(pkgname__in=inner_q) | Q(pkgbase__in=inner_q))

    page_dict = {
            'todos': Todolist.objects.incomplete(),
            'repos': Repo.objects.all(), 'arches': Arch.objects.all(),
            'maintainers': User.objects.filter(is_active=True).order_by('last_name'),
            'flagged' : packages,
         }

    return render_to_response('devel/index.html',
        RequestContext(request, page_dict))

@login_required
def change_notify(request):
    maint = User.objects.get(username=request.user.username)
    notify = request.POST.get('notify', 'no')
    pf = maint.get_profile()
    pf.notify = (notify == 'yes')
    pf.save()
    return HttpResponseRedirect('/devel/')

class ProfileForm(forms.Form):
    email = forms.EmailField('E-mail Address')
    passwd1 = forms.CharField('New Password', required=False,
            widget=forms.PasswordInput)
    passwd2 = forms.CharField('Confirm Password', required=False,
            widget=forms.PasswordInput)

    def clean(self):
        if ('passwd1' not in self.cleaned_data and
                'passwd2' not in self.cleaned_data):
            return self.cleaned_data
            
        if self.cleaned_data['passwd1'] != self.cleaned_data['passwd2']:
            raise forms.ValidationError('Passwords do not match')
        return self.cleaned_data

@login_required
def change_profile(request):
    if request.POST:
        form = ProfileForm(request.POST)
        if form.is_valid():
            request.user.email = form.cleaned_data['email']
            request.user.set_password(form.cleaned_data['passwd1'])
            request.user.save()
            return HttpResponseRedirect('/devel/')
    else:
        form = ProfileForm(initial={'email': request.user.email})
    return render_to_response('devel/profile.html',
            RequestContext(request, {'form': form}))

@login_required
def mirrorlist(request):
    mirrors = Mirror.objects.select_related().all()
    return render_to_response('devel/mirrorlist.html',
            RequestContext(request, {'mirror_list': mirrors}))

class NewUserForm(forms.ModelForm):
    class Meta:
        model = UserProfile
        exclude = ('picture', 'user')
    username = forms.CharField(max_length=30)
    email = forms.EmailField()
    first_name = forms.CharField(required=False)
    last_name = forms.CharField(required=False)

    def save(self):
        profile = forms.ModelForm.save(self, False)
        pw = ''.join([random.choice(pwletters) for i in xrange(8)])
        user = User.objects.create_user(username=self.cleaned_data['username'],
                email=self.cleaned_data['email'], password=pw)
        user.first_name = self.cleaned_data['first_name']
        user.last_name = self.cleaned_data['last_name']
        user.save()
        profile.user = user
        profile.save()

        send_mail("Your new archweb account",
                """You can now log into:
https://dev.archlinux.org/
with these login details:
Username: %s
Password: %s""" % (user.username, pw),
                'Arch Website Notification <nobody@archlinux.org>',
                [user.email],
                fail_silently=False)

@user_passes_test(lambda u: u.is_superuser)
def new_user_form(request):
    if request.POST:
        form = NewUserForm(request.POST)
        if form.is_valid():
            form.save()
            return HttpResponseRedirect('/admin/auth/user/%d/' %form.instance.user.id)
    else:
        form = NewUserForm()
    return render_to_response('general_form.html', RequestContext(
        request, {'description': '''A new user will be created with the
            following properties in their profile. A random password will be
            generated and the user will be e-mailed with their account details
            n plaintext.''',
            'form': form, 'title': 'Create User', 'submit_text': 'Create User'}))

# vim: set ts=4 sw=4 et: