# -*- coding: utf-8 -*-
from django.core.context_processors import csrf
from django.shortcuts import  render_to_response
from django.http import HttpResponseRedirect, HttpResponse
from django.contrib.contenttypes.models import ContentType
#from forms import SettingsForm
#from models import Settings
from django.contrib.auth.decorators import login_required
from django.template import RequestContext



from file.models import TmpFile, FileModel
from file.forms import FileModelForm
from city.models import City
from theme.models import Tag
from django.db.models.loading import get_model

from registration.forms import RegistrationFormUniqueEmail, LoginForm


def home(request):
    #reg_form = RegistrationFormUniqueEmail()
    #login_form = LoginForm()
    #args = {'reg_form': reg_form, 'login_form': login_form}
    args = {}
    args.update(csrf(request))

    return render_to_response('index.html', args, context_instance=RequestContext(request))

def test(request):
    return render_to_response('test.html')



@login_required
def ajax_city(request):
    """
    returns html <option> tags filled with cities filtered by country value from request
    """
    objects = City.objects.filter(country=request.GET['id'])
    return render_to_response('select.html', {'objects': objects})

@login_required
def ajax_tag(request):
    """

    return array of tags (id, name) filtered by theme values from request

    """
    if request.GET:
        ids = request.GET.get('id')
        if ids:
            #get id values in list
            data = ids.replace('theme=', '').split('&')
            #generate list of tags
            tags = ['[%d, "%s"]'%(int(item.id), item.name) for item in Tag.objects.filter(theme__in=data)]
            return HttpResponse('[%s]'%', '.join(tags), content_type='application/json')
        else:
            #request empty - send empty array
            return HttpResponse('[]', content_type='application/json')


from django.core import serializers
@login_required
def ajax_post_file(request, obj_id=None):
    """
    Takes file and file data and save it
    If obj_id = None creates TmpFile

    Returns 'file_list.html' template with existing files if id != None.
    N/A file_list.html' template with Tmp files filtered by key
    """
    if request.POST:
        file_form = FileModelForm(request.POST, request.FILES)
        if file_form.is_valid():
            #if obj_id is not exist create TMPfile objects else FileModel objects
            if obj_id != None:
                #takes data from hidden input "model" and initial Model
                Model = get_model(request.POST['model'].split('.')[0], request.POST['model'].split('.')[1])
                #initial model object
                obj = Model.objects.get(id=obj_id)
                file = file_form.save(request.FILES, obj)
                #data = serializers.serialize('json', [file])
                #return HttpResponse(data)
                files = FileModel.objects.filter(content_type=ContentType.objects.get_for_model(obj),object_id=getattr(obj, 'id'))
            else:
                file_form.save(request.FILES)
                files = TmpFile.objects.filter(key=request.POST['key'])

            return render_to_response('file_list.html', {'files' : files})

    args = {}

    args['languages'] = settings.LANGUAGES
    args['file_form'] = file_form
    return render_to_response('ajax_error_form.html', args)


@login_required
def ajax_delete_file(request):
    """
    delete file
    """
    if request.GET:
        file = FileModel.objects.get(id = request.GET['id'])
        file.delete()
        return HttpResponse('success')
    else:
        return HttpResponse('error')