# Copyright 2011 GRNET S.A. All rights reserved.
#
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# without modification, are permitted provided that the following
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#      disclaimer.
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#      copyright notice, this list of conditions and the following
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#      provided with the distribution.
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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from astakos.im.settings import (
    IM_MODULES, INVITATIONS_ENABLED, IM_STATIC_URL,
    LOGIN_MESSAGES, SIGNUP_MESSAGES, PROFILE_MESSAGES,
    GLOBAL_MESSAGES, PROFILE_EXTRA_LINKS
)
from astakos.im.api import get_menu
from astakos.im.util import get_query
from astakos.im.models import GroupKind
from astakos.im.auth_providers import PROVIDERS as AUTH_PROVIDERS

from django.utils import simplejson as json


def im_modules(request):
    return {'im_modules': IM_MODULES}

def auth_providers(request):
    active_auth_providers = []
    for module in IM_MODULES:
        provider = AUTH_PROVIDERS.get(module, None)
        if provider:
            active_auth_providers.append(provider())

    return {'auth_providers': active_auth_providers,
            'master_auth_provider': active_auth_providers[0]}

def next(request):
    return {'next': get_query(request).get('next', '')}


def code(request):
    return {'code': request.GET.get('code', '')}


def invitations(request):
    return {'invitations_enabled': INVITATIONS_ENABLED}


def media(request):
    return {'IM_STATIC_URL': IM_STATIC_URL}


def custom_messages(request):
    global GLOBAL_MESSAGES, SIGNUP_MESSAGES, LOGIN_MESSAGES, PROFILE_MESSAGES

    # keep backwards compatibility with dict settings
    if type(GLOBAL_MESSAGES) == dict:
        GLOBAL_MESSAGES = GLOBAL_MESSAGES.items()
    if type(SIGNUP_MESSAGES) == dict:
        SIGNUP_MESSAGES = SIGNUP_MESSAGES.items()
    if type(LOGIN_MESSAGES) == dict:
        LOGIN_MESSAGES = LOGIN_MESSAGES.items()
    if type(PROFILE_MESSAGES) == dict:
        PROFILE_MESSAGES = PROFILE_MESSAGES.items()

    EXTRA_MESSAGES_SET = bool(GLOBAL_MESSAGES or SIGNUP_MESSAGES or
                              LOGIN_MESSAGES or PROFILE_MESSAGES)

    return {
        'GLOBAL_MESSAGES': GLOBAL_MESSAGES,
        'SIGNUP_MESSAGES': SIGNUP_MESSAGES,
        'LOGIN_MESSAGES': LOGIN_MESSAGES,
        'PROFILE_MESSAGES': PROFILE_MESSAGES,
        'PROFILE_EXTRA_LINKS': PROFILE_EXTRA_LINKS,
        'EXTRA_MESSAGES_SET': EXTRA_MESSAGES_SET
    }


def menu(request):
    try:
        resp = get_menu(request, True, False)
        menu_items = json.loads(resp.content)[1:]
    except Exception, e:
        return {}
    else:
        return {'menu': menu_items}


def group_kinds(request):
    return {'group_kinds': GroupKind.objects.exclude(
        name='default').values_list('name', flat=True)}