from django.views.generic.simple import redirect_to
from django.template import RequestContext as _
from django.template.defaultfilters import slugify
from django.shortcuts import render_to_response, get_object_or_404
from django.http import Http404

from saudade.common.shortcuts import r2r
from saudade.todo.models import Task, Group

CT_TJS = 'text/javascript; charset=utf-8'
CT_AXML = 'application/xml; charset=utf-8'

def ajax_get(request, type, id):
    if type.lower() == 'task':
        task = get_object_or_404(Task, id=id)
        return r2r('todo/ajax/get/task.html', {'task':task,}, _(request), ct=CT_AXML)
    elif type.lower() == 'group':
        group = get_object_or_404(Group, id=id)
        return r2r('todo/ajax/get/group.html', {'group':group,}, _(request), ct=CT_AXML)
    else: raise Http404

def ajax_create(request, type):
    if type.lower() == 'task':
        return r2r('todo/ajax/get/task.html', {}, _(request), ct=CT_AXML)
    elif type.lower() == 'group':
        return r2r('todo/ajax/get/group.html', {}, _(request), ct=CT_AXML)
    else: raise Http404

def ajax_edit(request, type, id, cname):
    if type == "group":
        m = Group.ChangeManipulator(id)
        p = Group.ajaxEdit(request, id)
    elif type == "task":
        m = Task.ChangeManipulator(id)
        p = Task.ajaxEdit(request, id)
    else: return
    errors = m.get_validation_errors(p)
    if not errors:
        m.do_html2python(p)
        o = m.save(p)
        return r2r('todo/ajax/post.html', {'object':o, 'class':cname, 'type':type}, _(request), ct=CT_TJS)
    else:
        return r2r('todo/ajax/error.html', {'errors' : errors, 'p' : p}, _(request), ct=CT_AXML)

def ajax_add(request, type):
    if type == "group":
        p = Group.ajaxAdd(request)
        m = Group.AddManipulator()
    elif type == "task":
        p = Task.ajaxAdd(request)
        m = Task.AddManipulator()
    else: return
    errors = m.get_validation_errors(p)
    if not errors:
        m.do_html2python(p)
        obj = m.save(p)
        return r2r('todo/ajax/add/%s.html' % (type), {'object':obj}, _(request), ct=CT_TJS)
    return r2r('todo/ajax/error.html', {'errors' : errors, 'p' : p}, _(request), ct=CT_AXML)