from django.shortcuts import render, redirect
from django.contrib.auth.mixins import LoginRequiredMixin
from django.views.generic import CreateView, ListView, UpdateView, DetailView, DeleteView
from django.contrib.auth.models import User
from django.contrib.auth.decorators import login_required
from django.views.generic import TemplateView
from .models import Data
from django.views.generic.edit import FormView
from .forms import CloudAddFileForm
from django.conf import settings
from django.core.files.storage import default_storage
from digitaleagentur.settings import BASE_DIR
from django.http import JsonResponse
import os
from .models import DataDir, DataFile
from datetime import datetime
from users.models import AgencyGroup

@login_required
def CloudMain(request, pk):
	diragency = []
	alldirs = []
	context = {}
	breadcrump = []
	files = []

	if(pk == "first"):
		diragency = list(DataDir.objects.filter(is_root=True, agency=request.user.profile.agency))[0]	
		
		alldirs = DataDir.objects.filter(is_root=False, agency=request.user.profile.agency, parent=diragency).order_by("name")
		
		context = {
			'active_link' : 'cloud',
			'dirs' : alldirs,
			'parentid' : diragency.pk,
			'files' : DataFile.objects.filter(parent=diragency, agency=request.user.profile.agency),
			'agencygroups' : AgencyGroup.objects.filter(agency=request.user.profile.agency)
		}
	else:		

		# CHECK IF USER HAS RIGHTS TO SEE THIS DIR
		groupsofdir = list(DataDir.objects.filter(pk=pk, agency=request.user.profile.agency))[0]

		userisingroup = False

		if len(groupsofdir.visibleby.all()) == 0:
			userisingroup = True
		else:
			for ag in groupsofdir.visibleby.all():
				if ag.group in request.user.groups.all():
					userisingroup = True

		if userisingroup:

			alldirs = DataDir.objects.filter(is_root=False, agency=request.user.profile.agency, parent=pk).order_by("name")
			vieweddir = list(DataDir.objects.filter(pk=pk, agency=request.user.profile.agency))[0]
			
			singleObj = DataDir.objects.get(pk=pk)
			while( singleObj.is_root != True):
				breadcrump.append(singleObj)			
				singleObj = DataDir.objects.get(pk=singleObj.parent.pk)

			breadcrump = breadcrump[::-1]

			context = {
				'active_link' : 'cloud',
				'dirs' : alldirs,
				'parentid' : pk,
				'breadcrump' : breadcrump,
				'files' : DataFile.objects.filter(parent=vieweddir, agency=request.user.profile.agency),
				'agencygroups' : AgencyGroup.objects.filter(agency=request.user.profile.agency)
			}
		else:
			context = {
				'active_link' : 'cloud',				
			}
			return render(request, 'cloud/noentrie.html', context)

	return render(request, 'cloud/cloud_main.html', context)


@login_required
def adddirbyajax(request, parent):
	success = True
	data = {}
	
	if(request.method == "GET"):
		# NEW DIR
		if(request.GET.get("action") == "adddir"):
			parentid = request.GET.get("parent")
			newdirname = request.GET.get("newdirname")			
			parent_obj = DataDir.objects.get(pk=parentid, agency=request.user.profile.agency)
			tempdir = DataDir(name=newdirname, parent=parent_obj, agency=request.user.profile.agency, owner=request.user)
			tempdir.save()
			parent_obj.dirs.add(tempdir)
			parent_obj.save()
		# RETURN DIRNAME
		elif(request.GET.get("action") == "getname_dir"):
			dirobj = DataDir.objects.get(pk=request.GET.get('id'), agency=request.user.profile.agency)
			data = {'dirname' : dirobj.name}
		# RETURN COMPLETE AGENCY DIR LIST
		elif(request.GET.get("action") == "getdirlist"):			
			data = {'agencydirlist' : loadAgencyDirList(request)}
		# RETURN FILENAME
		elif(request.GET.get("action") == "getname_file"):
			fileobj = DataFile.objects.get(pk=request.GET.get('id'), agency=request.user.profile.agency)
			data = {'filename' : fileobj.name}
		# DELETE FILE
		elif(request.GET.get("action") == "del_file"):
			DataFile.objects.filter(pk=request.GET.get('id')).delete()
		# CHANGE DIR NAME
		elif(request.GET.get("action") == "change_dir_name"):
			dirobj = DataDir.objects.get(pk=request.GET.get('id'), agency=request.user.profile.agency)
			dirobj.name = request.GET.get("newdirname")
			dirobj.date_last_modified = datetime.now()
			dirobj.save()
		# DELETE DIR		
		elif(request.GET.get("action") == "del_dir"):
			try:
				DataFile.objects.filter(parent=request.GET.get('id'), agency=request.user.profile.agency).delete()
				DataDir.objects.filter(parent=request.GET.get('id'), agency=request.user.profile.agency).delete()
				DataDir.objects.get(pk=request.GET.get('id'), agency=request.user.profile.agency).delete()		
			except:
				success = False
		# MOVE DIR		
		elif(request.GET.get("action") == "movefile"):			
			tempdatafile = DataFile.objects.get(pk=request.GET.get('fileid'))
			tempdatafile.parent = DataDir.objects.get(pk=request.GET.get('newpar'))
			tempdatafile.date_last_modified = datetime.now()
			tempdatafile.save()
		# GROUPS
		# DIR
		elif(request.GET.get("action") == "changedirgroups"):	
			dirid = request.GET.get('dirid')
			groupid = request.GET.get('groupid')	
			value = request.GET.get('value')	
			if(value == "true"):
				DataDir.objects.get(pk=dirid).visibleby.add(AgencyGroup.objects.get(pk=groupid))
			else:
				DataDir.objects.get(pk=dirid).visibleby.remove(AgencyGroup.objects.get(pk=groupid))			
		# GET GROUPS
		
		elif(request.GET.get("action") == "getgroupsofdir"):	
			dirid = request.GET.get('dirid')
			allgroupsofdir = DataDir.objects.get(pk=dirid).visibleby.all()
			
			grouopsid = []
			for ag in allgroupsofdir:
				grouopsid.append({"id" : ag.pk})
			data = {"gdir" : grouopsid}	

	elif request.method == 'POST':
		tempdir = False		
		tempdir = DataDir.objects.get(pk=parent)
		tempdatafile = DataFile(file=request.FILES['uploadedfile'], name=request.FILES['uploadedfile'].name, owner=request.user, parent=tempdir, agency=request.user.profile.agency)
		tempdatafile.save()		
		
	return JsonResponse({"success" : success, "data" : data})


def loadAgencyDirList(request):
	alldirs = []

	diragency = list(DataDir.objects.filter(is_root=True, agency=request.user.profile.agency))[0]
	alldirs_root = DataDir.objects.filter(is_root=False, agency=request.user.profile.agency, parent=diragency).order_by("name")

	for d in alldirs_root:
		alldirs.append({"id" : d.pk, "parent" : "", "name" : d.name, 'subdirs' : getsubdirs(request, d.pk)})

	return alldirs

def getsubdirs(request, dirid):
	subdirs = []
	actid = False
	if(isinstance(dirid, DataDir)):
		actid = dirid.pk
	else:
		actid = dirid
	alldirs_sub = DataDir.objects.filter(is_root=False, agency=request.user.profile.agency, parent=dirid).order_by("name")

	for subdir in alldirs_sub:		
		tempsubsubdir = DataDir.objects.filter(is_root=False, agency=request.user.profile.agency, parent=subdir).order_by("name")
		if(len(tempsubsubdir) > 0):
			subdirs.append({"id" : subdir.pk, "parent" : actid, "name" : subdir.name, 'subdirs' : getsubdirs(request, subdir)}) 
		else:
			subdirs.append({"id" : subdir.pk, "parent" : actid, "name" : subdir.name, 'subdirs' : []}) 
	return subdirs