# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.apps import apps
from django.contrib.auth import get_user_model
from django.contrib.auth.models import Group

from ..models.event import Event
from ..models.eventstatus import EventStatus


class RoleMixin(object):
    def create_user_for_role(self, role_name, password, first_name, last_name):
        group = Group(name=role_name)
        group.save()

        user_model = get_user_model()
        email = '{}@localhost'.format(role_name)
        user_name = email
        user = user_model.objects.create_user(username=user_name, password=password, email=user_name,
                                              first_name=first_name, last_name=last_name)
        user.groups.add(group)

        setting_name = 'groups_{}'.format(role_name)
        app_config = apps.get_app_config('dav_events')
        setattr(app_config.settings, setting_name, [role_name])

        return user


class EventMixin(object):
    def get_status_label(self, status_code):
        return EventStatus.objects.get(code=status_code).label

    def create_event(self, data):
        event = Event(**data)
        event.save()
        return event

    def submit_event(self, event):
        event.workflow.update_status('submitted', event.owner)
        return event

    def accept_event(self, event, user):
        event.workflow.update_status('accepted', user)
        return event