from django.db import models
from django.contrib.auth.models import User
from users.models import Agency
from django.urls import reverse
from areas.models import Areas
from tasks.models import Tasks
from cloud.models import DataFile
from users.models import AgencyGroup
import datetime
from django.utils import timezone
#from ckeditor_uploader.fields import RichTextUploadingField

class Standards(models.Model):

	agency = models.ForeignKey(Agency, on_delete=models.CASCADE)
	area = models.ForeignKey(Areas, on_delete=models.CASCADE)
	task = models.ForeignKey(Tasks, on_delete=models.CASCADE)
	name = models.CharField(max_length=200, blank=False, default="")	
	content = models.TextField(blank=True, verbose_name='Inhalt', default="")

	created_standard_by = models.ForeignKey(User, on_delete=models.PROTECT)
	created_standard_date = models.DateTimeField(default=timezone.now, blank=True)
	
	published_by = models.ForeignKey(User, on_delete=models.PROTECT, related_name='user_published_standard', default=None)
	published_on = models.DateTimeField(default=timezone.now, blank=True)

	last_modified_by = models.ForeignKey(User, on_delete=models.PROTECT, related_name='user_modified_standard', default=None)
	last_modified_on = models.DateTimeField(default=timezone.now, blank=True)
	
	public = models.BooleanField(default=False)


	# USER
	# VERTRETER
	representative = models.ForeignKey(User, on_delete=models.PROTECT, related_name="user_repr", blank=True, null=True)
	# AUSFÜHRENDER
	executor = models.ForeignKey(User, on_delete=models.PROTECT, related_name="user_executor", blank=True, null=True)
	# VERANTWORTLICHER
	authority = models.ForeignKey(User, on_delete=models.PROTECT, related_name="user_authority", blank=True, null=True)
	# FILES
	addedfiles = models.ManyToManyField(DataFile, blank=True)
	# VERLINKTE STANDARDS
	linked_standards = models.ManyToManyField('Standards', blank=True)
	# GORUPS
	visibleby = models.ManyToManyField(AgencyGroup, blank=True)

	def __str__(self):
		return f'{self.name}'

	# Hier Path für Templates des Models mit Parametern
	def get_absolute_url(self):
		return reverse('standards-update', kwargs={'pk':self.pk})