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

from django.db import models
from django.conf import settings
from django.utils.translation import ugettext_lazy as _


class WikiPage(models.Model):
    project = models.ForeignKey('projects.Project', null=False, blank=False,
                                related_name='wiki_pages', verbose_name=_('project'))
    slug = models.SlugField(max_length=500, db_index=True, null=False, blank=False,
                            verbose_name=_('slug'))
    content = models.TextField(null=False, blank=True,
                               verbose_name=_('content'))
    owner = models.ForeignKey(settings.AUTH_USER_MODEL, null=True, blank=True,
                              related_name='owned_wiki_pages', verbose_name=_('owner'))
    watchers = models.ManyToManyField(settings.AUTH_USER_MODEL, null=True, blank=True,
                                      related_name='watched_wiki_pages',
                                      verbose_name=_('watchers'))
    created_date = models.DateTimeField(auto_now_add=True, null=False, blank=False,
                                        verbose_name=_('created date'))
    modified_date = models.DateTimeField(auto_now=True, null=False, blank=False,
                                         verbose_name=_('modified date'))

    class Meta:
        verbose_name = u'wiki page'
        verbose_name_plural = u'wiki pages'
        ordering = ['project', 'slug']
        unique_together = ('project', 'slug',)

        permissions = (
            ('view_wikipage', 'Can modify owned wiki pages'),
            ('change_owned_wikipage', 'Can modify owned wiki pages'),
        )

    def __str__(self):
        return u'project {0} - {1}'.format(self.project_id, self.slug)