# -*- coding: utf-8 -*-
from django.shortcuts import  render_to_response
from django.http import HttpResponseRedirect, HttpResponse
from django.core.context_processors import csrf
from django.conf import settings
from django.contrib.auth.decorators import login_required
from django.core.mail import send_mail
from django.core.paginator import Paginator, PageNotAnInteger, EmptyPage
#models and forms
from models import User
from forms import  UserForm, UserCreationForm, TranslatorForm

from hashlib import md5

@login_required
def user_all(request):
    """
    Return list of all users with pagination
    """
    user_list = User.objects.all()
    paginator = Paginator(user_list, 10)#show 10 items per page
    page = request.GET.get('page')
    try:
        users = paginator.page(page)
    except PageNotAnInteger:
    # If page is not an integer, deliver first page.
        users = paginator.page(1)
    except EmptyPage:
    # If page is out of range (e.g. 9999), deliver last page of results.
        users = paginator.page(paginator._num_pages)
    return render_to_response('user_all.html', {'users': users})

def translators(request):
    """
    Return list of user filtered by "is_translator" field (list of translators)
    """
    user_list = User.objects.filter(is_translator='True')
    paginator = Paginator(user_list, 10)#show 10 items per page
    page = request.GET.get('page')
    try:
        users = paginator.page(page)
    except PageNotAnInteger:
    # If page is not an integer, deliver first page.
        users = paginator.page(1)
    except EmptyPage:
    # If page is out of range (e.g. 9999), deliver last page of results.
        users = paginator.page(paginator._num_pages)
    return render_to_response('translators.html', {'users': users})


def translator_change(request, user_id):
    """
    Return form of translator and post it on the server.
    If form is posted redirect on the page of all translators.
    """
    try:
        user = User.objects.get(id=user_id)
        #get translator information by reverse relation
        #related_name="translator" in TranslatorProfile model
        translator = user.translator.get(user=user)
    except:
        return HttpResponseRedirect('/accounts/translators/')

    if request.POST:
        form = TranslatorForm(request.POST, instance=translator)
        if form.is_valid():
            form.save()
            return HttpResponseRedirect('/accounts/translators')
    else:
        form = TranslatorForm(instance=translator)

    args = {}
    args.update(csrf(request))

    args['form'] = form

    return render_to_response('translator_change.html', args)



def user_change(request, user_id):
    """
    Return form of user and post it on the server.
    If form is posted redirect on the page of all users.
    """
    try:
        user = User.objects.get(id=user_id)
    except:
        return HttpResponseRedirect('/accounts/all')

    if request.POST:
        form = UserForm(request.POST, instance=user)
        if form.is_valid():
            form.save()
            return HttpResponseRedirect('/accounts/all')
    else:
        form = UserForm(instance=user)

    args = {}
    args.update(csrf(request))

    args['form'] = form

    return render_to_response('user_change.html', args)

def create_admin(request):
    if request.POST:
        form = UserCreationForm(request.POST)
        if form.is_valid():
            user = form.save(commit=False)
            user.is_admin = False
            user.save()
            return HttpResponseRedirect('/accounts/all')

    else:
        form = UserCreationForm()

    args = {}
    args.update(csrf(request))
    args['form'] = form

    return render_to_response('create_admin.html', args)

def create_md5(request):
    if request.POST:
        form = UserCreationForm(request.POST)
        if form.is_valid():
            user = User()
            user.email = request.POST['email']
            user.first_name = request.POST['first_name']
            user.last_name = request.POST['last_name']
            user.password = md5(request.POST['password2']).hexdigest()
            user.is_admin = True
            user.save()

            return HttpResponseRedirect('/accounts/all')

    else:
        form = UserCreationForm()

    args = {}
    args.update(csrf(request))
    args['form'] = form

    return render_to_response('create_admin.html', args)

def reset_password_email(request):
    """

    """
    if request.GET:
        user = User.objects.get(email=request.GET['email'])
        user.set_password(u'qwerty')
        user.save()
        return HttpResponse('success')
    else:
        return HttpResponse('error')