from django.shortcuts import render, redirect
from django.contrib.auth import authenticate, login, logout
from django.contrib.auth.forms import UserCreationForm


def login_view(request):
    if request.method == "POST":
        username = request.POST['username']
        password = request.POST['password']
        user = authenticate(request, username=username, password=password)
        if user:
            login(request, user)
            return redirect('index')
    else:
        pass

    return render(request, 'accounts/login.html', {'form': None})


def register_view(request):
    form = None

    if request.method == 'POST':
        form = UserCreationForm(request.POST)
        if form.is_valid():
            form.save()

            username = request.POST.get('username')
            password = request.POST.get('password1')
            user = authenticate(request, username=username, password=password)
            if user:
                login(request, user)
                return redirect('index')

    return render(request, 'accounts/register.html', {'form': form})


def logout_view(request):
    if request.method == 'POST':
        if request.user.is_authenticated:
            logout(request)

    return redirect('index')