#!/usr/bin/python2.5
#
# Copyright 2008 the Melange authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Views for Sponsor profiles.
"""

__authors__ = [
    '"Sverre Rabbelier" <sverer@rabbelier.nl>',
    '"Pawel Solyga" <pawel.solyga@gmail.com>',
  ]


from google.appengine.api import users

from django import forms
from django.utils.translation import ugettext_lazy

from soc.logic import validate 
from soc.views import helper
from soc.views.helper import widgets
from soc.views.models import base

import soc.models.sponsor
import soc.logic.models.sponsor
import soc.logic.dicts
import soc.views.helper
import soc.views.helper.widgets


class CreateForm(helper.forms.DbModelForm):
  """Django form displayed when creating a Sponsor.
  """
  class Meta:
    """Inner Meta class that defines some behavior for the form.
    """
    #: db.Model subclass for which the form will gather information
    model = soc.models.sponsor.Sponsor
    
    #: list of model fields which will *not* be gathered by the form
    exclude = ['founder', 'inheritance_line']
  
  # TODO(pawel.solyga): write validation functions for other fields
  def clean_link_name(self):
    link_name = self.cleaned_data.get('link_name')
    if not validate.isLinkNameFormatValid(link_name):
      raise forms.ValidationError("This link name is in wrong format.")
    if models.sponsor.logic.getFromFields(link_name=link_name):
      raise forms.ValidationError("This link name is already in use.")
    return link_name


class EditForm(CreateForm):
  """Django form displayed when editing a Sponsor.
  """
  link_name = forms.CharField(widget=helper.widgets.ReadOnlyInput())
  founded_by = forms.CharField(widget=helper.widgets.ReadOnlyInput(),
                               required=False)

  def clean_link_name(self):
    link_name = self.cleaned_data.get('link_name')
    if not validate.isLinkNameFormatValid(link_name):
      raise forms.ValidationError("This link name is in wrong format.")
    return link_name


class View(base.View):
  """View methods for the Sponsor model
  """

  def __init__(self, original_params=None, original_rights=None):
    """Defines the fields and methods required for the base View class
    to provide the user with list, public, create, edit and delete views.

    Params:
      original_params: a dict with params for this View 
      original_rights: a dict with right definitions for this View
    """

    self.DEF_SUBMIT_MSG_PARAM_NAME = 's'
    self.SUBMIT_MSG_PROFILE_SAVED = 0
    #TODO(TLarsen) Better way to do this?
    
    self._logic = soc.logic.models.sponsor.logic
    
    params = {}
    rights = {}

    params['name'] = "Sponsor"
    params['name_plural'] = "Sponsors"
       
    params['edit_form'] = EditForm
    params['create_form'] = CreateForm

    # TODO(SRabbelier) Add support for Django style template lookup
    params['create_template'] = 'soc/site/sponsor/profile/edit.html'
    params['public_template'] = 'soc/group/profile/public.html'

    params['list_template'] = 'soc/group/list/all.html'

    params['lists_template'] = {
      'list_main': 'soc/list/list_main.html',
      'list_pagination': 'soc/list/list_pagination.html',
      'list_row': 'soc/group/list/group_row.html',
      'list_heading': 'soc/group/list/group_heading.html',
    }
    
    params['delete_redirect'] = '/site/sponsor/list'
    params['create_redirect'] = '/site/sponsor/profile'
    
    params['save_message'] = [ ugettext_lazy('Profile saved.') ]
    
    params['edit_params'] = {
        self.DEF_SUBMIT_MSG_PARAM_NAME:self.SUBMIT_MSG_PROFILE_SAVED,
        }
    
    rights['list'] = [helper.access.checkIsDeveloper]
    rights['delete'] = [helper.access.checkIsDeveloper]

    params = soc.logic.dicts.mergeDicts(original_params, params)
    rights = soc.logic.dicts.mergeDicts(original_rights, rights)
    
    base.View.__init__(self, rights=rights, params=params)

  def _editPost(self, request, entity, fields):
    """
    """

    id = users.get_current_user()
    user = soc.logic.models.user.logic.getFromFields(email=id.email())
    fields['founder'] = user


view = View()
public = view.public
list = view.list
delete = view.delete
edit = view.edit