# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from tastypie import fields
from tastypie.resources import ModelResource, ALL, ALL_WITH_RELATIONS
from tastypie.authorization import Authorization
from tastypie.exceptions import ImmediateHttpResponse
from core.models.user import User
from api.validations.user_validation import UserValidation
from api.resources.group_resource import GroupResource

'''
'''
class UserResource(ModelResource):
    groups = fields.ToManyField(GroupResource, 'groups')

    class Meta:
        queryset = User.objects.all()
        authorization = Authorization()
        always_return_data = True
        validation = UserValidation()

    '''
    '''
    def save(self, bundle, skip_errors=False):
        if bundle.via_uri:
            return bundle

        self.is_valid(bundle)

        if bundle.errors and not skip_errors:
            raise ImmediateHttpResponse(response=self.error_response(bundle.request, bundle.errors))

        user = User.objects.create_user(bundle.data['username'], bundle.data['email'], bundle.data['password'])
        bundle.obj = user
        bundle.data['groups'] = bundle.data.get('groups', [])

        if bundle.obj.pk:
            self.authorized_update_detail(self.get_object_list(bundle.request), bundle)
        else:
            self.authorized_create_detail(self.get_object_list(bundle.request), bundle)

        self.save_related(bundle)

        obj_id = self.create_identifier(bundle.obj)

        if obj_id not in bundle.objects_saved or bundle.obj._state.adding:
            bundle.obj.save()
            bundle.objects_saved.add(obj_id)

        m2m_bundle = self.hydrate_m2m(bundle)
        self.save_m2m(m2m_bundle)
        
        return bundle