from urllib.parse import urlencode
from django.views.generic import TemplateView, View
from django.http import HttpResponseRedirect
from django.urls import reverse
from django.contrib.auth import logout as auth_logout
from django.conf import settings
from urllib3 import response

from pingcap_sso.utils.requests import get_safe_redirect_uri
from pingcap_sso.utils.mixins import LoginRequiredMixin
from pingcap_sso.lib.sso import sync_cookie_url, sso_logout


class ReactView(TemplateView):

    template_name = 'pingcap_sso/index.html'


class LoginView(ReactView):

    def dispatch(self, request, *args, **kwargs):
        if request.user.is_authenticated:
            redirect_to = self.get_success_url()
            # avoid loop redirect
            if redirect_to == self.request.path:
                redirect_to = reverse('index')

            return HttpResponseRedirect(sync_cookie_url(redirect_to))
        return super(LoginView, self).dispatch(request, *args, **kwargs)

    def get_success_url(self):
        redirect_to = self.request.GET.get('redirect_to')
        redirect_to = get_safe_redirect_uri(redirect_to, self.request)
        return redirect_to


def login_nopassword_view(request):
    return HttpResponseRedirect(reverse('login'))


class UserinfoView(LoginRequiredMixin, TemplateView):

    template_name = 'pingcap_sso/index.html'

    def get(self, request, *args, **kwargs):
        return HttpResponseRedirect('https://tidb.net/my/profile')


class LogoutView(View):

    def get(self, request, *args, **kwargs):
        sso_logout(self.request)
        auth_logout(self.request)
        redirect_to = get_safe_redirect_uri(
            self.request.GET.get('redirect_to'), self.request)
        response = HttpResponseRedirect(redirect_to)
        response.delete_cookie('_t')
        return response