# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
from __future__ import division

import ox
from ox.utils import json
from ox.django.decorators import login_required_json
from ox.django.shortcuts import render_to_json_response, get_object_or_404_json, json_response


from ox.django.api import actions

import models

def getNews(request):
    '''
        takes {
            id: string
        }

        returns {
            id: string,
            ...
        }

        if not id is passed, return all news items

        takes {}
        returns {
            items: [object]
        }
    '''
    data = json.loads(request.POST['data'])
    response = json_response()
    if 'id' in data:
        news = get_object_or_404_json(models.News, id=ox.fromAZ(data['id']))
        response['data'] = news.json()
    else:
        qs = models.News.objects.all().order_by('-date')
        response['data']['items'] = [p.json() for p in qs]
    return render_to_json_response(response)
actions.register(getNews)

@login_required_json
def addNews(request):
    '''
        takes {
            title: string,
            date: string,
            text: text,
        }
        returns {
            id: string,
            ...
        }
    '''
    data = json.loads(request.POST['data'])

    news = models.News()
    for key in ('title', 'text', 'date'):
        if key in data:
            setattr(news, key, data[key])
    news.save()
    response = json_response(news.json())
    return render_to_json_response(response)
actions.register(addNews, cache=False)

@login_required_json
def removeNews(request):
    '''
        takes {
            ids: []
        }
        returns {}
    '''
    data = json.loads(request.POST['data'])
    response = json_response({})
    news = get_object_or_404_json(models.News, id=ox.fromAZ(data['id']))
    if news.editable(request.user):
        news.delete()
        response = json_response(status=200, text='news removed')
    else:
        response = json_response(status=403, text='permission denied')
    return render_to_json_response(response)
actions.register(removeNews, cache=False)

@login_required_json
def editNews(request):
    '''
        takes {
            id: string,
            title: string,
            text: string,
            date: string
        }
        returns {
            id: string
            ...
        }
    '''
    response = json_response({})
    data = json.loads(request.POST['data'])
    n = get_object_or_404_json(models.News, id=ox.fromAZ(data['id']))
    if n.editable(request.user):
        for key in ('title', 'text', 'date'):
            if key in data:
                setattr(n, key, data[key])
        n.save()
        response['data'] = n.json()
    else:
        response = json_response(status=403, text='permission denied')
    return render_to_json_response(response)
actions.register(editNews, cache=False)