from django.contrib.auth.decorators import login_required
from django.contrib.auth.mixins import LoginRequiredMixin
from django.shortcuts import get_object_or_404
from django.shortcuts import redirect
from django.shortcuts import render
from django.template.response import TemplateResponse
from django.urls import reverse
from django.views.generic import DeleteView

from django_tables2 import RequestConfig

from core import utils
from customers.decorators import customer_view_permission
from computers.models import Computer
from licenses.models import LicenseWithUser

from .decorators import user_view_permission
from .models import AdGroup
from .models import MailGroup
from .models import MailAlias
from .models import User
from .models import UserInAdGroup
from .models import UserInMailGroup
from .tables import AdGroupsTable
from .tables import MailGroupsTable
from .tables import UsersTable


@login_required
@customer_view_permission
def users_table_view(request, pk):
    table = UsersTable(User.objects.filter(customer=pk))
    RequestConfig(request).configure(table)
    return render(request, 'users/user_list.html', {'users': table})


@login_required
@user_view_permission
def user_detail_view(request, pk):
    user = get_object_or_404(User, pk=pk)
    ad_groups = UserInAdGroup.objects.filter(user=user)
    mail_groups = UserInMailGroup.objects.filter(user=user)
    mail_alias = MailAlias.objects.filter(user=user)
    computers = Computer.objects.filter(user=user)
    licenses = LicenseWithUser.objects.filter(user=user)
    return render(request, 'users/user_details.html',
                  {'user': user,
                   'ad_groups': ad_groups,
                   'mail_groups': mail_groups,
                   'mail_alias': mail_alias,
                   'computers': computers,
                   'licenses': licenses})


class UserDeleteView(LoginRequiredMixin, DeleteView):
    model = User

    def get_success_url(self):
        return reverse('users', args=(self.object.customer.pk,))


@login_required
def ad_groups_table_view(request, pk):
    table = AdGroupsTable(utils.get_objects_for_customer(AdGroup,
                                                         user=request.user,
                                                         customer_pk=pk))
    RequestConfig(request).configure(table)
    return TemplateResponse(request,
                            'groups/group_list.html',
                            {'groups': table})


@login_required
def ad_group_detail_view(request, pk):
    group = utils.get_object_with_view_permission(AdGroup,
                                                  user=request.user,
                                                  pk=pk)
    return render(request, 'groups/group_details.html',
                  {'group': group})


@login_required
def mail_groups_table_view(request, pk):
    table = MailGroupsTable(utils.get_objects_for_customer(MailGroup,
                                                           user=request.user,
                                                           customer_pk=pk))
    RequestConfig(request).configure(table)
    return TemplateResponse(request,
                            'groups/group_list.html',
                            {'groups': table})


@login_required
def mail_group_detail_view(request, pk):
    group = utils.get_object_with_view_permission(MailGroup,
                                                  user=request.user,
                                                  pk=pk)
    return render(request, 'groups/group_details.html',
                  {'group': group})


@login_required
def delete_ad_group(request, pk):
    group = utils.get_object_with_view_permission(AdGroup,
                                                  user=request.user,
                                                  pk=pk)
    if request.method == 'POST':
        group.delete()
        return redirect('ad_groups', pk=group.customer.pk)
    return TemplateResponse(request,
                            'groups/ad_group_confirm_delete.html',
                            {'object': group})


@login_required
def delete_mail_group(request, pk):
    group = utils.get_object_with_view_permission(MailGroup,
                                                  user=request.user,
                                                  pk=pk)
    if request.method == 'POST':
        group.delete()
        return redirect('mail_groups', pk=group.customer.pk)
    return TemplateResponse(request,
                            'groups/mail_group_confirm_delete.html',
                            {'object': group})