from django.shortcuts import render
from django.views import View
from django.http import HttpResponse, HttpRequest, JsonResponse
from django.contrib.auth.models import User
from django.contrib.auth import authenticate, login
from django.contrib.auth.decorators import login_required
from django.db.models.query import QuerySet

from ..status_code import *
from ..forms.login import LoginForm 

class LoginView(View):
    
    def get(self, request: HttpRequest):
        if request.user.is_authenticated:
            logout(request)
        return render(request, "login.html", {"form": LoginForm})
    
    def post(self, request: HttpRequest):
        if request.user.is_authenticated:
            logout(request)
        form: LoginForm = LoginForm(request.POST)
        if not form.is_valid():
            return JsonResponse(form.errors)
        
        user: User = authenticate(username=form.cleaned_data['username'], password=form.cleaned_data['password'])
        if user is None:
            return JsonResponse({'user': [USER_INVALID]})
        
        login(request, user)
        return HttpResponse(USER_LOGGED)