#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2010  Étienne Loks  <etienne.loks_AT_peacefrogsDOTnet>

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# See the file COPYING for details.

"""
Furnitures views
"""

from django.http import HttpResponse
from django.template import RequestContext
from django.shortcuts import render_to_response, redirect
from django.utils.translation import ugettext, ugettext_lazy as _

from ishtar import settings
from menus import menu
from forms import Step, FileForm1, FileForm2, FileWizard

def index(request):
    """
    Main page
    """
    dct = {}
    return render_to_response('index.html', dct,
                              context_instance=RequestContext(request))

def check_permission(request, action_slug, obj_id=None):
    if obj_id:
        return menu.items[action_slug].is_available(request.user, obj_id)
    return menu.items[action_slug].can_be_available(request.user)

'''
def base_action(request, action_slug, obj_id=None, *args, **kwargs):
    """
    Basic action management
    """
    if not check_permission(request, action_slug, obj_id):
        not_permitted_msg = ugettext(u"Operation not permitted.")
        return HttpResponse(not_permitted_msg)
    request.session['CURRENT_ACTION'] = action_slug
    associated_wizard = action_slug + '_wizard'
    dct = {}
    print base_action
    globals_dct = globals()
    if associated_wizard in globals_dct:
        wizard = globals_dct[associated_wizard]
        current_step = None
        if wizard.id in request.session \
           and 'current_step' in request.session[wizard.id] \
           and request.session[wizard.id]['current_step']:
            current_step = request.session[wizard.id]['current_step'].slug
        else:
            current_step = wizard.base_steps[0].slug
        return action(request, action_slug, obj_id=obj_id, *args, **kwargs)
        if obj_id:
            return redirect('action', action_slug, current_step, obj_id)
        return redirect('action', action_slug, current_step)

    if action_slug in globals_dct:
        return globals_dct[action](request, dct, obj_id, *args, **kwargs)
    return render_to_response('index.html', dct,
                              context_instance=RequestContext(request))
'''

def action(request, action_slug, obj_id=None, *args, **kwargs):
    """
    Action management
    """
    if not check_permission(request, action_slug, obj_id):
        not_permitted_msg = ugettext(u"Operation not permitted.")
        return HttpResponse(not_permitted_msg)
    request.session['CURRENT_ACTION'] = action_slug
    associated_wizard = action_slug + '_wizard'
    dct = {}
    globals_dct = globals()
    if associated_wizard in globals_dct:
        wizard = globals_dct[associated_wizard]
        if ('slug' not in kwargs or not kwargs['slug']):
            current_step = None
            if wizard.id in request.session \
               and 'current_step' in request.session[wizard.id] \
               and request.session[wizard.id]['current_step']:
                current_step = request.session[wizard.id]['current_step'].slug
            else:
                current_step = wizard.base_steps[0].slug
            return redirect('action_form', action_slug, current_step)
        elif wizard.id in request.session:
            for step in wizard.base_steps:
                if step.slug == kwargs['slug']:
                    request.session[wizard.id]['current_step'] = step
    if action_slug in globals_dct:
        return globals_dct[action_slug](request, dct, obj_id, *args, **kwargs)
    return render_to_response('index.html', dct,
                              context_instance=RequestContext(request))

file_creation_wizard = FileWizard([
            Step('general', _(u"General"), FileForm1),
            Step('localisation', _(u"Localisation"), FileForm2)])

def file_creation(request, dct, obj_id, *args, **kwargs):
    return file_creation_wizard(request, *args, **kwargs)