from django.db import models
from django.contrib.auth.models import User
from users.models import Agency
from django.urls import reverse
from django.utils import timezone


'''

MODEL ChatMessage


'''
class ChatMessage(models.Model):
	author = models.ForeignKey(User, on_delete=models.CASCADE)
	content = models.CharField(max_length=5000, blank=False, default="")
	sendtime = models.DateTimeField(default=timezone.now, blank=True)
	room = models.ForeignKey("ChatRoom", on_delete=models.CASCADE)
'''

Model ChatRoom

'''

class ChatRoom(models.Model):

	creator = models.ForeignKey(User, on_delete=models.CASCADE, null=True, blank=True)
	'''
		chatroomtype

		0 - User-User-Chat
		1 - Group-Chat		

	'''
	chatroomtype = models.IntegerField(default=0)
	roomname = models.CharField(max_length=200, blank=False, default="")
	# This field is for random-String Django Channels
	roomname_channel = models.CharField(max_length=200, blank=False)
	chatmembers = models.ManyToManyField(User, blank=True, related_name='users_in_chatroom')
	chatroom_createddate = models.DateTimeField(blank=True)	
	chatmember_single = models.ForeignKey(User, related_name='singleuserchat', on_delete=models.CASCADE, null=True, blank=True)
	'''
		VIEWSTATUS

		0 - Hide and Close
		1 - Hide, but visible in base.html
		2 - Full visible

	'''
	viewstatus = models.IntegerField(default=True)
	messages = models.ManyToManyField("ChatMessage", blank=True, related_name='all_chatmessages')

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