# -*- coding: utf-8 -*-


from django.views.generic import TemplateView, FormView, CreateView, UpdateView
from django.contrib.auth.decorators import login_required
from django.utils.decorators import method_decorator
from django.contrib.auth.views import login, logout

from frontend.forms import NewProjectContextForm

FRONTEND_PAGE_NAME = 'Citavi Mapper'

# Login wrapper functions
def login_wrap(*args, **kwargs):
    kwargs['extra_context'] = {
        'page': {
            'name': FRONTEND_PAGE_NAME,
            'title': 'Login'
        }                           
    }
    return login(*args, **kwargs)

def logout_wrap(*args, **kwargs):
    kwargs['extra_context'] = {
        'page': {
            'name': FRONTEND_PAGE_NAME,
            'title': 'Logout'
        }                           
    }
    return logout(*args, **kwargs)


# My base classes for views
class MyViewMixin(object):
    template_name = 'base.html'
    page_name = FRONTEND_PAGE_NAME
    page_title = 'BASE'
        
    def get_page_data(self):
        return {
            u'name': self.page_name,
            u'title': self.page_title
        }
    
    def get_context_data(self, **kwargs):
        kwargs[u'page'] = self.get_page_data()
        return super(MyViewMixin, self).get_context_data(**kwargs)

class MyTemplateView(MyViewMixin, TemplateView):
    pass

class MyFormView(MyViewMixin, FormView):
    pass
    
class MyCreateView(MyViewMixin, CreateView):
    pass

class MyUpdateView(MyViewMixin, UpdateView):
    pass


# Mixin to protect pages
class LoggedInMixin(object):
    @method_decorator(login_required)
    def dispatch(self, *args, **kwargs):
        return super(LoggedInMixin, self).dispatch(*args, **kwargs)


# My protected view classes
class ProtectedTemplateView(LoggedInMixin, MyTemplateView):
    pass

class ProtectedFormView(LoggedInMixin, MyFormView):
    pass

class ProtectedCreateView(LoggedInMixin, MyCreateView):
    pass

class ProtectedUpdateView(LoggedInMixin, MyUpdateView):
    pass


# Actual Views
class IndexView(ProtectedTemplateView):
    template_name = 'index.html'
    page_title = 'Index'

class RegisterView(MyTemplateView):
    template_name = 'register.html'
    page_title = 'Register'

class ProjectContextView(ProtectedFormView):
    template_name = 'projectcontext.html'
    page_title = 'Project Contexts'
    form_class = NewProjectContextForm
    success_url = '/project'
    
    def form_valid(self, form):
        return super(ProjectContextView, self).form_valid(form)